static int AVI_ChunkRead_indx( stream_t *s, avi_chunk_t *p_chk )
{
unsigned int i_count, i;
int32_t i_dummy;
avi_chunk_indx_t *p_indx = (avi_chunk_indx_t*)p_chk;
AVI_READCHUNK_ENTER;
AVI_READ2BYTES( p_indx->i_longsperentry );
AVI_READ1BYTE ( p_indx->i_indexsubtype );
AVI_READ1BYTE ( p_indx->i_indextype );
AVI_READ4BYTES( p_indx->i_entriesinuse );
AVI_READ4BYTES( p_indx->i_id );
p_indx->idx.std = NULL;
p_indx->idx.field = NULL;
p_indx->idx.super = NULL;
if( p_indx->i_indextype == AVI_INDEX_OF_CHUNKS && p_indx->i_indexsubtype == 0 )
{
AVI_READ8BYTES( p_indx->i_baseoffset );
AVI_READ4BYTES( i_dummy );
i_count = __MIN( p_indx->i_entriesinuse, i_read / 8 );
p_indx->i_entriesinuse = i_count;
p_indx->idx.std = xcalloc( i_count, sizeof( indx_std_entry_t ) );
for( i = 0; i < i_count; i++ )
{
AVI_READ4BYTES( p_indx->idx.std[i].i_offset );
AVI_READ4BYTES( p_indx->idx.std[i].i_size );
}
}
else if( p_indx->i_indextype == AVI_INDEX_OF_CHUNKS && p_indx->i_indexsubtype == AVI_INDEX_2FIELD )
{
AVI_READ8BYTES( p_indx->i_baseoffset );
AVI_READ4BYTES( i_dummy );
i_count = __MIN( p_indx->i_entriesinuse, i_read / 12 );
p_indx->i_entriesinuse = i_count;
p_indx->idx.field = xcalloc( i_count, sizeof( indx_field_entry_t ) );
for( i = 0; i < i_count; i++ )
{
AVI_READ4BYTES( p_indx->idx.field[i].i_offset );
AVI_READ4BYTES( p_indx->idx.field[i].i_size );
AVI_READ4BYTES( p_indx->idx.field[i].i_offsetfield2 );
}
}
else if( p_indx->i_indextype == AVI_INDEX_OF_INDEXES )
{
p_indx->i_baseoffset = 0;
AVI_READ4BYTES( i_dummy );
AVI_READ4BYTES( i_dummy );
AVI_READ4BYTES( i_dummy );
i_count = __MIN( p_indx->i_entriesinuse, i_read / 16 );
p_indx->i_entriesinuse = i_count;
p_indx->idx.super = xcalloc( i_count, sizeof( indx_super_entry_t ) );
for( i = 0; i < i_count; i++ )
{
AVI_READ8BYTES( p_indx->idx.super[i].i_offset );
AVI_READ4BYTES( p_indx->idx.super[i].i_size );
AVI_READ4BYTES( p_indx->idx.super[i].i_duration );
}
}
else
{
msg_Warn( (vlc_object_t*)s, "unknown type/subtype index" );
}
#ifdef AVI_DEBUG
msg_Dbg( (vlc_object_t*)s, "indx: type=%d subtype=%d entry=%d", p_indx->i_indextype, p_indx->i_indexsubtype, p_indx->i_entriesinuse );
#endif
AVI_READCHUNK_EXIT( VLC_SUCCESS );
}
/*****************************************************************************
* ffmpeg_OpenCodec:
*****************************************************************************/
int ffmpeg_OpenCodec( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->p_context->extradata_size <= 0 )
{
if( p_sys->i_codec_id == CODEC_ID_VC1 ||
p_sys->i_codec_id == CODEC_ID_VORBIS ||
p_sys->i_codec_id == CODEC_ID_THEORA ||
p_sys->i_codec_id == CODEC_ID_AAC )
{
msg_Warn( p_dec, "waiting for extra data for codec %s",
p_sys->psz_namecodec );
return 1;
}
}
if( p_dec->fmt_in.i_cat == VIDEO_ES )
{
p_sys->p_context->width = p_dec->fmt_in.video.i_width;
p_sys->p_context->height = p_dec->fmt_in.video.i_height;
p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.video.i_bits_per_pixel;
}
else if( p_dec->fmt_in.i_cat == AUDIO_ES )
{
p_sys->p_context->sample_rate = p_dec->fmt_in.audio.i_rate;
p_sys->p_context->channels = p_dec->fmt_in.audio.i_channels;
p_sys->p_context->block_align = p_dec->fmt_in.audio.i_blockalign;
p_sys->p_context->bit_rate = p_dec->fmt_in.i_bitrate;
p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.audio.i_bitspersample;
}
int ret;
vlc_avcodec_lock();
ret = avcodec_open( p_sys->p_context, p_sys->p_codec );
vlc_avcodec_unlock();
if( ret < 0 )
return VLC_EGENERIC;
msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
#ifdef HAVE_AVCODEC_MT
if( p_dec->fmt_in.i_cat == VIDEO_ES )
{
switch( p_sys->p_context->active_thread_type )
{
case FF_THREAD_FRAME:
msg_Dbg( p_dec, "using frame thread mode with %d threads",
p_sys->p_context->thread_count );
break;
case FF_THREAD_SLICE:
msg_Dbg( p_dec, "using slice thread mode with %d threads",
p_sys->p_context->thread_count );
break;
case 0:
if( p_sys->p_context->thread_count > 1 )
msg_Warn( p_dec, "failed to enable threaded decoding" );
break;
default:
msg_Warn( p_dec, "using unknown thread mode with %d threads",
p_sys->p_context->thread_count );
break;
}
}
#endif
p_sys->b_delayed_open = false;
return VLC_SUCCESS;
}
static void OutputFrame( sout_stream_sys_t *p_sys, picture_t *p_pic, bool b_need_duplicate, sout_stream_t *p_stream, sout_stream_id_t *id, block_t **out )
{
picture_t *p_pic2 = NULL;
/*
* Encoding
*/
/* Check if we have a subpicture to overlay */
if( p_sys->p_spu )
{
video_format_t fmt = id->p_encoder->fmt_in.video;
if( fmt.i_visible_width <= 0 || fmt.i_visible_height <= 0 )
{
fmt.i_visible_width = fmt.i_width;
fmt.i_visible_height = fmt.i_height;
fmt.i_x_offset = 0;
fmt.i_y_offset = 0;
}
subpicture_t *p_subpic = spu_Render( p_sys->p_spu, NULL, &fmt, &fmt,
p_pic->date, p_pic->date, false );
/* Overlay subpicture */
if( p_subpic )
{
if( picture_IsReferenced( p_pic ) && !filter_chain_GetLength( id->p_f_chain ) )
{
/* We can't modify the picture, we need to duplicate it,
* in this point the picture is already p_encoder->fmt.in format*/
picture_t *p_tmp = video_new_buffer_encoder( id->p_encoder );
if( likely( p_tmp ) )
{
picture_Copy( p_tmp, p_pic );
picture_Release( p_pic );
p_pic = p_tmp;
}
}
if( unlikely( !p_sys->p_spu_blend ) )
p_sys->p_spu_blend = filter_NewBlend( VLC_OBJECT( p_sys->p_spu ), &fmt );
if( likely( p_sys->p_spu_blend ) )
picture_BlendSubpicture( p_pic, p_sys->p_spu_blend, p_subpic );
subpicture_Delete( p_subpic );
}
}
if( p_sys->i_threads == 0 )
{
block_t *p_block;
p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
block_ChainAppend( out, p_block );
}
if( p_sys->b_master_sync )
{
mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
mtime_t i_video_drift = p_pic->date - i_pts;
if (unlikely ( i_video_drift > MASTER_SYNC_MAX_DRIFT
|| i_video_drift < -MASTER_SYNC_MAX_DRIFT ) )
{
msg_Dbg( p_stream,
"video drift is too high (%"PRId64"), resetting master sync",
i_video_drift );
date_Set( &id->interpolated_pts, p_pic->date );
i_pts = p_pic->date + 1;
}
date_Increment( &id->interpolated_pts, 1 );
if( unlikely( b_need_duplicate ) )
{
if( p_sys->i_threads >= 1 )
{
/* We can't modify the picture, we need to duplicate it */
p_pic2 = video_new_buffer_encoder( id->p_encoder );
if( likely( p_pic2 != NULL ) )
{
picture_Copy( p_pic2, p_pic );
p_pic2->date = i_pts;
}
}
else
{
block_t *p_block;
p_pic->date = i_pts;
p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
block_ChainAppend( out, p_block );
}
}
}
if( p_sys->i_threads == 0 )
{
picture_Release( p_pic );
}
else
{
vlc_mutex_lock( &p_sys->lock_out );
picture_fifo_Push( p_sys->pp_pics, p_pic );
if( p_pic2 != NULL )
{
picture_fifo_Push( p_sys->pp_pics, p_pic2 );
}
vlc_cond_signal( &p_sys->cond );
vlc_mutex_unlock( &p_sys->lock_out );
}
}
/*****************************************************************************
* Open: Initialize module's data structures and libdsm
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
access_t *p_access = (access_t*)p_this;
access_sys_t *p_sys;
smb_stat st;
/* Init p_access */
access_InitFields( p_access );
p_sys = p_access->p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
if( p_access->p_sys == NULL )
return VLC_ENOMEM;
p_sys->p_ns = netbios_ns_new();
if( p_sys->p_ns == NULL )
goto error;
p_sys->p_session = smb_session_new();
if( p_sys->p_session == NULL )
goto error;
vlc_UrlParse( &p_sys->url, p_access->psz_location, 0 );
get_credentials( p_access );
if( get_address( p_access ) != VLC_SUCCESS )
goto error;
msg_Dbg( p_access, "Creds: username = %s, domain = %s",
p_sys->creds.login, p_sys->creds.domain );
msg_Dbg( p_access, "Session: Host name = %s, ip = %s", p_sys->netbios_name,
inet_ntoa( p_sys->addr ) );
/* Now that we have the required data, let's establish a session */
if( !smb_session_connect( p_sys->p_session, p_sys->netbios_name,
p_sys->addr.s_addr, SMB_TRANSPORT_TCP ) )
{
msg_Err( p_access, "Unable to connect/negotiate SMB session");
goto error;
}
get_path( p_access );
if( login( p_access ) != VLC_SUCCESS )
{
msg_Err( p_access, "Unable to connect to share %s", p_sys->psz_share );
goto error;
}
/* If there is no shares, browse them */
if( !p_sys->psz_share )
return BrowserInit( p_access );
msg_Dbg( p_access, "Path: Share name = %s, path = %s", p_sys->psz_share,
p_sys->psz_path );
/* Let's finally ask a handle to the file we wanna read ! */
p_sys->i_fd = smb_fopen( p_sys->p_session, p_sys->i_tid, p_sys->psz_path,
SMB_MOD_RO );
if( !p_sys->i_fd )
{
msg_Err( p_access, "Unable to open file with path %s (in share %s)",
p_sys->psz_path, p_sys->psz_share );
goto error;
}
st = smb_stat_fd( p_sys->p_session, p_sys->i_fd );
if( smb_stat_get( st, SMB_STAT_ISDIR ) )
{
smb_fclose( p_sys->p_session, p_sys->i_fd );
return BrowserInit( p_access );
}
msg_Dbg( p_access, "Successfully opened smb://%s", p_access->psz_location );
ACCESS_SET_CALLBACKS( Read, NULL, Control, Seek );
return VLC_SUCCESS;
error:
Close( p_this );
return VLC_EGENERIC;
}
/*****************************************************************************
* Open: open the rtsp connection
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
access_t *p_access = (access_t *)p_this;
access_sys_t *p_sys;
char* psz_server = NULL;
int i_result;
if( !p_access->psz_access || (
strncmp( p_access->psz_access, "rtsp", 4 ) &&
strncmp( p_access->psz_access, "pnm", 3 ) &&
strncmp( p_access->psz_access, "realrtsp", 8 ) ))
{
return VLC_EGENERIC;
}
p_access->pf_read = NULL;
p_access->pf_block = BlockRead;
p_access->pf_seek = Seek;
p_access->pf_control = Control;
p_access->info.i_update = 0;
p_access->info.i_size = 0;
p_access->info.i_pos = 0;
p_access->info.b_eof = false;
p_access->info.i_title = 0;
p_access->info.i_seekpoint = 0;
p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
p_sys->p_rtsp = malloc( sizeof( rtsp_client_t) );
if( !p_sys->p_rtsp )
{
free( p_sys );
return VLC_ENOMEM;
}
p_sys->p_header = NULL;
p_sys->p_rtsp->p_userdata = p_access;
p_sys->p_rtsp->pf_connect = RtspConnect;
p_sys->p_rtsp->pf_disconnect = RtspDisconnect;
p_sys->p_rtsp->pf_read = RtspRead;
p_sys->p_rtsp->pf_read_line = RtspReadLine;
p_sys->p_rtsp->pf_write = RtspWrite;
i_result = rtsp_connect( p_sys->p_rtsp, p_access->psz_path, 0 );
if( i_result )
{
msg_Dbg( p_access, "could not connect to: %s", p_access->psz_path );
free( p_sys->p_rtsp );
p_sys->p_rtsp = NULL;
goto error;
}
msg_Dbg( p_access, "rtsp connected" );
/* looking for server type */
if( rtsp_search_answers( p_sys->p_rtsp, "Server" ) )
psz_server = strdup( rtsp_search_answers( p_sys->p_rtsp, "Server" ) );
else
{
if( rtsp_search_answers( p_sys->p_rtsp, "RealChallenge1" ) )
psz_server = strdup("Real");
else
psz_server = strdup("unknown");
}
if( strstr( psz_server, "Real" ) || strstr( psz_server, "Helix" ) )
{
uint32_t bandwidth = 10485800;
rmff_header_t *h;
msg_Dbg( p_access, "found a real/helix rtsp server" );
if( !(h = real_setup_and_get_header( p_sys->p_rtsp, bandwidth )) )
{
/* Check if we got a redirect */
if( rtsp_search_answers( p_sys->p_rtsp, "Location" ) )
{
msg_Dbg( p_access, "redirect: %s",
rtsp_search_answers(p_sys->p_rtsp, "Location") );
msg_Warn( p_access, "redirect not supported" );
goto error;
}
msg_Err( p_access, "rtsp session can not be established" );
dialog_Fatal( p_access, _("Session failed"), "%s",
_("The requested RTSP session could not be established.") );
goto error;
}
p_sys->p_header = block_New( p_access, 4096 );
p_sys->p_header->i_buffer =
rmff_dump_header( h, (char *)p_sys->p_header->p_buffer, 1024 );
rmff_free_header( h );
}
else
{
msg_Warn( p_access, "only real/helix rtsp servers supported for now" );
goto error;
}
/* Update default_pts to a suitable value for file access */
var_Create( p_access, "realrtsp-caching",
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
free( psz_server );
return VLC_SUCCESS;
error:
free( psz_server );
Close( p_this );
return VLC_EGENERIC;
}
static chunk_t *get_chunk( stream_t *s, const bool wait, bool *pb_isinit )
{
stream_sys_t *p_sys = s->p_sys;
bool b_foo;
if ( !pb_isinit )
pb_isinit = &b_foo;
*pb_isinit = false;
vlc_mutex_lock( &p_sys->lock );
assert(p_sys->p_current_stream);
chunk_t *p_chunk = p_sys->p_current_stream->p_playback;
/* init chunk handling, overrides the current one */
vlc_mutex_lock( &p_sys->playback.lock );
if ( p_sys->playback.init.p_datachunk )
{
if ( p_sys->playback.init.p_startchunk == NULL ||
p_sys->playback.init.p_startchunk == p_chunk )
{
/* Override current chunk and pass init chunk instead */
p_chunk = p_sys->playback.init.p_datachunk;
*pb_isinit = true;
setChunkOffset( p_sys, p_chunk );
#ifndef NDEBUG
if ( !p_chunk->read_pos )
msg_Dbg( s, "Sending init chunk from offset %"PRId64, p_chunk->offset );
#endif
vlc_mutex_unlock( &p_sys->playback.lock );
vlc_mutex_unlock( &p_sys->lock );
return p_chunk;
}
}
vlc_mutex_unlock( &p_sys->playback.lock );
/* !init chunk handling */
vlc_mutex_lock( &p_sys->p_current_stream->chunks_lock );
vlc_mutex_unlock( &p_sys->lock );
while( p_chunk && !p_chunk->data )
{
/* Yes I know, checking for p_sys->b_die is not reliable,
* that's why vlc_object_alive() has been deprecated. But if I
* understood well, there is no good solution with a stream_filter
* module anyaway. */
if( !wait || p_sys->b_error )
{
msg_Warn( s, "get_chunk failed! (starttime %"PRId64")", p_chunk->start_time );
vlc_mutex_unlock( &p_sys->p_current_stream->chunks_lock );
return NULL;
}
if( no_more_chunks( p_sys ) )
{
msg_Info( s, "No more chunks, end of the VOD" );
vlc_mutex_unlock( &p_sys->p_current_stream->chunks_lock );
return NULL;
}
msg_Dbg( s, "get_chunk is waiting for chunk %"PRId64"!!!", p_chunk->start_time );
vlc_mutex_lock( &p_sys->playback.lock );
p_sys->playback.b_underrun = true;
vlc_mutex_unlock( &p_sys->playback.lock );
vlc_cond_timedwait( &p_sys->playback.wait,
&p_sys->p_current_stream->chunks_lock, mdate() + CLOCK_FREQ/2 );
}
if ( p_chunk )
{
setChunkOffset( p_sys, p_chunk );
#ifndef NDEBUG
if ( !p_chunk->read_pos )
msg_Dbg( s, "Sending chunk %"PRId64" from offset %"PRId64, p_chunk->start_time, p_chunk->offset );
#endif
}
vlc_mutex_unlock( &p_sys->p_current_stream->chunks_lock );
return p_chunk;
}
static void config_ReadFile( char *psz_file )
{
FILE *p_file;
char psz_line[2048];
int i;
if ( psz_file == NULL )
{
msg_Err( NULL, "no config file" );
return;
}
if ( (p_file = fopen( psz_file, "r" )) == NULL )
{
msg_Err( NULL, "can't fopen config file %s", psz_file );
return;
}
while ( fgets( psz_line, sizeof(psz_line), p_file ) != NULL )
{
output_config_t config;
output_t *p_output;
char *psz_token, *psz_parser;
psz_parser = strchr( psz_line, '#' );
if ( psz_parser != NULL )
*psz_parser-- = '\0';
while ( psz_parser >= psz_line && isblank( *psz_parser ) )
*psz_parser-- = '\0';
if ( psz_line[0] == '\0' )
continue;
config_Defaults( &config );
psz_token = strtok_r( psz_line, "\t\n ", &psz_parser );
if ( psz_token == NULL || !config_ParseHost( &config, psz_token ))
{
config_Free( &config );
continue;
}
psz_token = strtok_r( NULL, "\t\n ", &psz_parser );
if ( psz_token == NULL )
{
config_Free( &config );
continue;
}
if( atoi( psz_token ) == 1 )
config.i_config |= OUTPUT_WATCH;
else
config.i_config &= ~OUTPUT_WATCH;
psz_token = strtok_r( NULL, "\t\n ", &psz_parser );
if ( psz_token == NULL )
{
config_Free( &config );
continue;
}
config.i_sid = strtol(psz_token, NULL, 0);
psz_token = strtok_r( NULL, "\t\n ", &psz_parser );
if ( psz_token != NULL )
{
psz_parser = NULL;
for ( ; ; )
{
psz_token = strtok_r( psz_token, ",", &psz_parser );
if ( psz_token == NULL )
break;
config.pi_pids = realloc( config.pi_pids,
(config.i_nb_pids + 1) * sizeof(uint16_t) );
config.pi_pids[config.i_nb_pids++] = strtol(psz_token, NULL, 0);
psz_token = NULL;
}
}
config_Print( &config );
p_output = output_Find( &config );
if ( p_output == NULL )
p_output = output_Create( &config );
if ( p_output != NULL )
{
free( p_output->config.psz_displayname );
p_output->config.psz_displayname = strdup( config.psz_displayname );
config.i_config |= OUTPUT_VALID | OUTPUT_STILL_PRESENT;
output_Change( p_output, &config );
demux_Change( p_output, &config );
}
config_Free( &config );
}
fclose( p_file );
for ( i = 0; i < i_nb_outputs; i++ )
{
output_t *p_output = pp_outputs[i];
output_config_t config;
config_Init( &config );
if ( (p_output->config.i_config & OUTPUT_VALID) &&
!(p_output->config.i_config & OUTPUT_STILL_PRESENT) )
{
msg_Dbg( NULL, "closing %s", p_output->config.psz_displayname );
demux_Change( p_output, &config );
output_Close( p_output );
}
p_output->config.i_config &= ~OUTPUT_STILL_PRESENT;
config_Free( &config );
}
}
/**
* It loads the logo images into memory.
*
* Read the logo-file input switch, obtaining a list of images and
* associated durations and transparencies. Store the image(s), and
* times. An image without a stated time or opacity will use the
* logo-delay and logo-opacity values.
*/
static void LogoListLoad( vlc_object_t *p_this, logo_list_t *p_logo_list,
const char *psz_filename )
{
char *psz_list; /* the list: <logo>[,[<delay>[,[<alpha>]]]][;...] */
char *psz_original;
unsigned int i;
logo_t *p_logo; /* the parsing's result */
p_logo_list->i_counter = 0;
p_logo_list->i_next_pic = 0;
psz_original = psz_list = strdup( psz_filename );
if( !psz_list )
abort();
/* Count the number logos == number of ';' + 1 */
p_logo_list->i_count = 1;
for( i = 0; i < strlen( psz_list ); i++ )
{
if( psz_list[i] == ';' )
p_logo_list->i_count++;
}
p_logo_list->p_logo =
p_logo = (logo_t *)calloc( p_logo_list->i_count, sizeof(*p_logo) ); // sunqueen modify
if( !p_logo )
abort();
/* Fill the data */
for( i = 0; i < p_logo_list->i_count; i++ )
{
char *p_c = strchr( psz_list, ';' );
char *p_c2 = strchr( psz_list, ',' );
p_logo[i].i_alpha = -1; /* use default settings */
p_logo[i].i_delay = -1; /* use default settings */
if( p_c2 && ( p_c2 < p_c || !p_c ) )
{
/* <logo>,<delay>[,<alpha>] type */
if( p_c2[1] != ',' && p_c2[1] != ';' && p_c2[1] != '\0' )
p_logo[i].i_delay = atoi( p_c2+1 );
*p_c2 = '\0';
if( ( p_c2 = strchr( p_c2+1, ',' ) )
&& ( p_c2 < p_c || !p_c ) && p_c2[1] != ';' && p_c2[1] != '\0' )
p_logo[i].i_alpha = atoi( p_c2 + 1 );
}
else
{
/* <logo> type */
if( p_c )
*p_c = '\0';
}
msg_Dbg( p_this, "logo file name %s, delay %d, alpha %d",
psz_list, p_logo[i].i_delay, p_logo[i].i_alpha );
p_logo[i].p_pic = LoadImage( p_this, psz_list );
if( !p_logo[i].p_pic )
{
msg_Warn( p_this, "error while loading logo %s, will be skipped",
psz_list );
}
if( p_c )
psz_list = &p_c[1];
}
/* initialize so that on the first update it will wrap back to 0 */
p_logo_list->i_counter = p_logo_list->i_count - 1;
free( psz_original );
}
static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *p_context,
const enum PixelFormat *pi_fmt )
{
decoder_t *p_dec = p_context->opaque;
decoder_sys_t *p_sys = p_dec->p_sys;
vlc_va_t *p_va = p_sys->p_va;
if( p_va != NULL )
vlc_va_Delete( p_va );
/* Enumerate available formats */
bool can_hwaccel = false;
for( size_t i = 0; pi_fmt[i] != PIX_FMT_NONE; i++ )
{
const AVPixFmtDescriptor *dsc = av_pix_fmt_desc_get(pi_fmt[i]);
if (dsc == NULL)
continue;
bool hwaccel = (dsc->flags & AV_PIX_FMT_FLAG_HWACCEL) != 0;
msg_Dbg( p_dec, "available %sware decoder output format %d (%s)",
hwaccel ? "hard" : "soft", pi_fmt[i], dsc->name );
if (hwaccel)
can_hwaccel = true;
}
if (!can_hwaccel)
goto end;
/* Profile and level information is needed now.
* TODO: avoid code duplication with avcodec.c */
if( p_context->profile != FF_PROFILE_UNKNOWN)
p_dec->fmt_in.i_profile = p_context->profile;
if( p_context->level != FF_LEVEL_UNKNOWN)
p_dec->fmt_in.i_level = p_context->level;
p_va = vlc_va_New( VLC_OBJECT(p_dec), p_sys->i_codec_id, &p_dec->fmt_in );
if( p_va == NULL )
goto end;
for( size_t i = 0; pi_fmt[i] != PIX_FMT_NONE; i++ )
{
if( p_va->pix_fmt != pi_fmt[i] )
continue;
/* We try to call vlc_va_Setup when possible to detect errors when
* possible (later is too late) */
if( p_context->width > 0 && p_context->height > 0
&& vlc_va_Setup( p_va, &p_context->hwaccel_context,
&p_dec->fmt_out.video.i_chroma,
p_context->width, p_context->height ) )
{
msg_Err( p_dec, "acceleration setup failure" );
break;
}
if( p_va->description )
msg_Info( p_dec, "Using %s for hardware decoding.",
p_va->description );
/* FIXME this will disable direct rendering
* even if a new pixel format is renegotiated
*/
p_sys->b_direct_rendering = false;
p_sys->p_va = p_va;
p_context->draw_horiz_band = NULL;
return pi_fmt[i];
}
vlc_va_Delete( p_va );
end:
/* Fallback to default behaviour */
p_sys->p_va = NULL;
return avcodec_default_get_format( p_context, pi_fmt );
}
static void aout_DecSynchronize (audio_output_t *aout, mtime_t dec_pts,
int input_rate)
{
aout_owner_t *owner = aout_owner (aout);
mtime_t drift;
/**
* Depending on the drift between the actual and intended playback times,
* the audio core may ignore the drift, trigger upsampling or downsampling,
* insert silence or even discard samples.
* Future VLC versions may instead adjust the input rate.
*
* The audio output plugin is responsible for estimating its actual
* playback time, or rather the estimated time when the next sample will
* be played. (The actual playback time is always the current time, that is
* to say mdate(). It is not an useful statistic.)
*
* Most audio output plugins can estimate the delay until playback of
* the next sample to be written to the buffer, or equally the time until
* all samples in the buffer will have been played. Then:
* pts = mdate() + delay
*/
if (aout_OutputTimeGet (aout, &drift) != 0)
return; /* nothing can be done if timing is unknown */
drift += mdate () - dec_pts;
/* Late audio output.
* This can happen due to insufficient caching, scheduling jitter
* or bug in the decoder. Ideally, the output would seek backward. But that
* is not portable, not supported by some hardware and often unsafe/buggy
* where supported. The other alternative is to flush the buffers
* completely. */
if (drift > (owner->sync.discontinuity ? 0
: +3 * input_rate * AOUT_MAX_PTS_DELAY / INPUT_RATE_DEFAULT))
{
if (!owner->sync.discontinuity)
msg_Warn (aout, "playback way too late (%"PRId64"): "
"flushing buffers", drift);
else
msg_Dbg (aout, "playback too late (%"PRId64"): "
"flushing buffers", drift);
aout_OutputFlush (aout, false);
aout_StopResampling (aout);
owner->sync.end = VLC_TS_INVALID;
owner->sync.discontinuity = true;
/* Now the output might be too early... Recheck. */
if (aout_OutputTimeGet (aout, &drift) != 0)
return; /* nothing can be done if timing is unknown */
drift += mdate () - dec_pts;
}
/* Early audio output.
* This is rare except at startup when the buffers are still empty. */
if (drift < (owner->sync.discontinuity ? 0
: -3 * input_rate * AOUT_MAX_PTS_ADVANCE / INPUT_RATE_DEFAULT))
{
if (!owner->sync.discontinuity)
msg_Warn (aout, "playback way too early (%"PRId64"): "
"playing silence", drift);
aout_DecSilence (aout, -drift, dec_pts);
aout_StopResampling (aout);
owner->sync.discontinuity = true;
drift = 0;
}
/* Resampling */
if (drift > +AOUT_MAX_PTS_DELAY
&& owner->sync.resamp_type != AOUT_RESAMPLING_UP)
{
msg_Warn (aout, "playback too late (%"PRId64"): up-sampling",
drift);
owner->sync.resamp_type = AOUT_RESAMPLING_UP;
owner->sync.resamp_start_drift = +drift;
}
if (drift < -AOUT_MAX_PTS_ADVANCE
&& owner->sync.resamp_type != AOUT_RESAMPLING_DOWN)
{
msg_Warn (aout, "playback too early (%"PRId64"): down-sampling",
drift);
owner->sync.resamp_type = AOUT_RESAMPLING_DOWN;
owner->sync.resamp_start_drift = -drift;
}
if (owner->sync.resamp_type == AOUT_RESAMPLING_NONE)
return; /* Everything is fine. Nothing to do. */
if (llabs (drift) > 2 * owner->sync.resamp_start_drift)
{ /* If the drift is ever increasing, then something is seriously wrong.
* Cease resampling and hope for the best. */
msg_Warn (aout, "timing screwed (drift: %"PRId64" us): "
"stopping resampling", drift);
aout_StopResampling (aout);
return;
}
/* Resampling has been triggered earlier. This checks if it needs to be
* increased or decreased. Resampling rate changes must be kept slow for
* the comfort of listeners. */
int adj = (owner->sync.resamp_type == AOUT_RESAMPLING_UP) ? +2 : -2;
if (2 * llabs (drift) <= owner->sync.resamp_start_drift)
/* If the drift has been reduced from more than half its initial
* value, then it is time to switch back the resampling direction. */
adj *= -1;
if (!aout_FiltersAdjustResampling (owner->filters, adj))
{ /* Everything is back to normal: stop resampling. */
owner->sync.resamp_type = AOUT_RESAMPLING_NONE;
msg_Dbg (aout, "resampling stopped (drift: %"PRId64" us)", drift);
}
}
/* see http://www.iana.org/assignments/rtp-parameters */
void rtp_autodetect (demux_t *demux, rtp_session_t *session,
const block_t *block)
{
uint8_t ptype = rtp_ptype (block);
rtp_pt_t pt = {
.init = NULL,
.destroy = codec_destroy,
.decode = codec_decode,
.frequency = 0,
.number = ptype,
};
/* Remember to keep this in sync with modules/services_discovery/sap.c */
switch (ptype)
{
case 0:
msg_Dbg (demux, "detected G.711 mu-law");
pt.init = pcmu_init;
pt.frequency = 8000;
break;
case 3:
msg_Dbg (demux, "detected GSM");
pt.init = gsm_init;
pt.frequency = 8000;
break;
case 8:
msg_Dbg (demux, "detected G.711 A-law");
pt.init = pcma_init;
pt.frequency = 8000;
break;
case 10:
msg_Dbg (demux, "detected stereo PCM");
pt.init = l16s_init;
pt.frequency = 44100;
break;
case 11:
msg_Dbg (demux, "detected mono PCM");
pt.init = l16m_init;
pt.frequency = 44100;
break;
case 12:
msg_Dbg (demux, "detected QCELP");
pt.init = qcelp_init;
pt.frequency = 8000;
break;
case 14:
msg_Dbg (demux, "detected MPEG Audio");
pt.init = mpa_init;
pt.decode = mpa_decode;
pt.frequency = 90000;
break;
case 32:
msg_Dbg (demux, "detected MPEG Video");
pt.init = mpv_init;
pt.decode = mpv_decode;
pt.frequency = 90000;
break;
case 33:
msg_Dbg (demux, "detected MPEG2 TS");
pt.init = ts_init;
pt.destroy = stream_destroy;
pt.decode = stream_decode;
pt.frequency = 90000;
break;
default:
/*
* If the rtp payload type is unknown then check demux if it is specified
*/
if (!strcmp(demux->psz_demux, "h264")
|| !strcmp(demux->psz_demux, "ts"))
{
msg_Dbg (demux, "dynamic payload format %s specified by demux",
demux->psz_demux);
pt.init = demux_init;
pt.destroy = stream_destroy;
pt.decode = stream_decode;
pt.frequency = 90000;
break;
}
if (ptype >= 96)
{
char *dynamic = var_InheritString(demux, "rtp-dynamic-pt");
if (dynamic == NULL)
;
else if (!strcmp(dynamic, "theora"))
{
msg_Dbg (demux, "assuming Theora Encoded Video");
pt.init = theora_init;
pt.destroy = xiph_destroy;
pt.decode = xiph_decode;
pt.frequency = 90000;
}
else
msg_Err (demux, "unknown dynamic payload format `%s' "
"specified", dynamic);
free (dynamic);
}
msg_Err (demux, "unspecified payload format (type %"PRIu8")", ptype);
msg_Info (demux, "A valid SDP is needed to parse this RTP stream.");
dialog_Fatal (demux, N_("SDP required"),
N_("A description in SDP format is required to receive the RTP "
"stream. Note that rtp:// URIs cannot work with dynamic "
"RTP payload format (%"PRIu8")."), ptype);
return;
}
rtp_add_type (demux, session, &pt);
}
/**
* Marks the audio output for restart, to update any parameter of the output
* plug-in (e.g. output device or channel mapping).
*/
void aout_RequestRestart (audio_output_t *aout, unsigned mode)
{
aout_owner_t *owner = aout_owner (aout);
atomic_fetch_or (&owner->restart, mode);
msg_Dbg (aout, "restart requested (%u)", mode);
}
/*****************************************************************************
* Open: initializes raw audio demuxer
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
char *psz_fourcc = var_CreateGetString( p_demux, "rawaud-fourcc" );
es_format_Init( &p_sys->fmt, AUDIO_ES,
vlc_fourcc_GetCodecFromString( AUDIO_ES, psz_fourcc ) );
free( psz_fourcc );
if( !p_sys->fmt.i_codec )
{
msg_Err( p_demux, "rawaud-fourcc must be a 4 character string");
es_format_Clean( &p_sys->fmt );
free( p_sys );
return VLC_EGENERIC;
}
// get the bits per sample ratio based on codec
switch( p_sys->fmt.i_codec )
{
case VLC_CODEC_FL64:
p_sys->fmt.audio.i_bitspersample = 64;
break;
case VLC_CODEC_FL32:
case VLC_CODEC_S32L:
case VLC_CODEC_S32B:
p_sys->fmt.audio.i_bitspersample = 32;
break;
case VLC_CODEC_S24L:
case VLC_CODEC_S24B:
p_sys->fmt.audio.i_bitspersample = 24;
break;
case VLC_CODEC_S16L:
case VLC_CODEC_S16B:
p_sys->fmt.audio.i_bitspersample = 16;
break;
case VLC_CODEC_S8:
case VLC_CODEC_U8:
p_sys->fmt.audio.i_bitspersample = 8;
break;
default:
msg_Err( p_demux, "unknown fourcc format %4.4s",
(char *)&p_sys->fmt.i_codec);
es_format_Clean( &p_sys->fmt );
free( p_sys );
return VLC_EGENERIC;
}
p_sys->fmt.psz_language = var_CreateGetString( p_demux, "rawaud-lang" );
p_sys->fmt.audio.i_channels = var_CreateGetInteger( p_demux, "rawaud-channels" );
p_sys->fmt.audio.i_rate = var_CreateGetInteger( p_demux, "rawaud-samplerate" );
if( p_sys->fmt.audio.i_rate == 0 || p_sys->fmt.audio.i_rate > 384000 )
{
msg_Err( p_demux, "invalid sample rate");
es_format_Clean( &p_sys->fmt );
free( p_sys );
return VLC_EGENERIC;
}
if( p_sys->fmt.audio.i_channels == 0 || p_sys->fmt.audio.i_channels > 32 )
{
msg_Err( p_demux, "invalid number of channels");
es_format_Clean( &p_sys->fmt );
free( p_sys );
return VLC_EGENERIC;
}
p_sys->fmt.i_bitrate = p_sys->fmt.audio.i_rate *
p_sys->fmt.audio.i_channels *
p_sys->fmt.audio.i_bitspersample;
if( p_sys->fmt.i_bitrate > 50000000)
{
msg_Err( p_demux, "invalid bitrate");
es_format_Clean( &p_sys->fmt );
free( p_sys );
return VLC_EGENERIC;
}
msg_Dbg( p_demux,
"format initialized: channels=%d , samplerate=%d Hz, fourcc=%4.4s, bits per sample = %d, bitrate = %d bit/s",
p_sys->fmt.audio.i_channels,
p_sys->fmt.audio.i_rate,
(char*)&p_sys->fmt.i_codec,
p_sys->fmt.audio.i_bitspersample,
p_sys->fmt.i_bitrate);
/* add the es */
p_sys->p_es = es_out_Add( p_demux->out, &p_sys->fmt );
msg_Dbg( p_demux, "elementary stream added");
/* initialize timing */
date_Init( &p_sys->pts, p_sys->fmt.audio.i_rate, 1 );
date_Set( &p_sys->pts, VLC_TICK_0 );
/* calculate 50ms frame size/time */
p_sys->i_frame_samples = __MAX( p_sys->fmt.audio.i_rate / 20, 1 );
p_sys->i_seek_step = p_sys->fmt.audio.i_channels *
( (p_sys->fmt.audio.i_bitspersample + 7) / 8 );
p_sys->i_frame_size = p_sys->i_frame_samples * p_sys->i_seek_step;
msg_Dbg( p_demux, "frame size is %d bytes ", p_sys->i_frame_size);
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
return VLC_SUCCESS;
}
CtrlGeneric *TopWindow::findHitControl( int xPos, int yPos )
{
if( m_pActiveLayout == NULL )
{
return NULL;
}
// Get the controls in the active layout
const list<LayeredControl> &ctrlList = m_pActiveLayout->getControlList();
list<LayeredControl>::const_reverse_iterator iter;
// New control hit by the mouse
CtrlGeneric *pNewHitControl = NULL;
// Loop on the control list to find the uppest hit control
for( iter = ctrlList.rbegin(); iter != ctrlList.rend(); iter++ )
{
// Get the position of the control in the layout
const Position *pos = (*iter).m_pControl->getPosition();
if( pos != NULL )
{
// Compute the coordinates of the mouse relative to the control
int xRel = xPos - pos->getLeft();
int yRel = yPos - pos->getTop();
CtrlGeneric *pCtrl = (*iter).m_pControl;
// Control hit ?
if( pCtrl->isVisible() && pCtrl->mouseOver( xRel, yRel ) )
{
pNewHitControl = (*iter).m_pControl;
break;
}
}
else
{
msg_Dbg( getIntf(), "control at NULL position" );
}
}
// If the hit control has just been entered, send it an enter event
if( pNewHitControl && (pNewHitControl != m_pLastHitControl) )
{
// Don't send the event if another control captured the mouse
if( !m_pCapturingControl || (m_pCapturingControl == pNewHitControl ) )
{
EvtEnter evt( getIntf() );
pNewHitControl->handleEvent( evt );
if( !m_pCapturingControl )
{
// Show the tooltip
m_rWindowManager.hideTooltip();
UString tipText = pNewHitControl->getTooltipText();
if( tipText.length() > 0 )
{
// Set the tooltip text variable
VarManager *pVarManager = VarManager::instance( getIntf() );
pVarManager->getTooltipText().set( tipText );
m_rWindowManager.showTooltip();
}
}
}
}
return pNewHitControl;
}
static int SendIn( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
block_t *p_buffer )
{
in_sout_stream_sys_t *p_sys = (in_sout_stream_sys_t *)p_stream->p_sys;
bridge_t *p_bridge;
bool b_no_es = true;
int i;
int i_date = mdate();
/* First forward the packet for our own ES */
if( !p_sys->b_placeholder )
p_stream->p_next->pf_send( p_stream->p_next, id->id, p_buffer );
/* Then check all bridged streams */
vlc_mutex_lock( &lock );
p_bridge = var_GetAddress( p_stream->p_libvlc, p_sys->psz_name );
if( p_bridge )
{
for ( i = 0; i < p_bridge->i_es_num; i++ )
{
if ( !p_bridge->pp_es[i]->b_empty )
b_no_es = false;
while ( p_bridge->pp_es[i]->p_block != NULL
&& (p_bridge->pp_es[i]->p_block->i_dts + p_sys->i_delay
< i_date
|| p_bridge->pp_es[i]->p_block->i_dts + p_sys->i_delay
< p_bridge->pp_es[i]->i_last) )
{
block_t *p_block = p_bridge->pp_es[i]->p_block;
msg_Dbg( p_stream, "dropping a packet (%"PRId64 ")",
i_date - p_block->i_dts - p_sys->i_delay );
p_bridge->pp_es[i]->p_block
= p_bridge->pp_es[i]->p_block->p_next;
block_Release( p_block );
}
if ( p_bridge->pp_es[i]->p_block == NULL )
{
p_bridge->pp_es[i]->pp_last = &p_bridge->pp_es[i]->p_block;
}
if ( p_bridge->pp_es[i]->b_changed )
{
if ( p_bridge->pp_es[i]->b_empty && p_bridge->pp_es[i]->id != NULL )
{
p_stream->p_next->pf_del( p_stream->p_next, p_bridge->pp_es[i]->id );
}
else
{
/* We need at least two packets to enter the mux. */
if ( p_bridge->pp_es[i]->p_block == NULL
|| p_bridge->pp_es[i]->p_block->p_next == NULL )
{
continue;
}
p_bridge->pp_es[i]->fmt.i_id += p_sys->i_id_offset;
if( !p_sys->b_placeholder )
{
p_bridge->pp_es[i]->id = p_stream->p_next->pf_add(
p_stream->p_next, &p_bridge->pp_es[i]->fmt );
if ( p_bridge->pp_es[i]->id == NULL )
{
msg_Warn( p_stream, "couldn't create chain for id %d",
p_bridge->pp_es[i]->fmt.i_id );
}
}
msg_Dbg( p_stream, "bridging in input codec=%4.4s id=%d pos=%d",
(char*)&p_bridge->pp_es[i]->fmt.i_codec,
p_bridge->pp_es[i]->fmt.i_id, i );
}
}
p_bridge->pp_es[i]->b_changed = false;
if ( p_bridge->pp_es[i]->b_empty )
continue;
if ( p_bridge->pp_es[i]->p_block == NULL )
{
if ( p_bridge->pp_es[i]->id != NULL
&& p_bridge->pp_es[i]->i_last < i_date )
{
if( !p_sys->b_placeholder )
p_stream->p_next->pf_del( p_stream->p_next,
p_bridge->pp_es[i]->id );
p_bridge->pp_es[i]->fmt.i_id -= p_sys->i_id_offset;
p_bridge->pp_es[i]->b_changed = true;
p_bridge->pp_es[i]->id = NULL;
}
continue;
}
if ( p_bridge->pp_es[i]->id != NULL || p_sys->b_placeholder)
{
block_t *p_block = p_bridge->pp_es[i]->p_block;
while ( p_block != NULL )
{
p_bridge->pp_es[i]->i_last = p_block->i_dts;
p_block->i_pts += p_sys->i_delay;
p_block->i_dts += p_sys->i_delay;
p_block = p_block->p_next;
}
sout_stream_id_sys_t *newid = NULL;
if( p_sys->b_placeholder )
{
switch( p_bridge->pp_es[i]->fmt.i_cat )
{
case VIDEO_ES:
p_sys->i_last_video = i_date;
newid = p_sys->id_video;
if( !newid )
break;
if( !p_sys->b_switch_on_iframe ||
p_sys->i_state == placeholder_off ||
( p_bridge->pp_es[i]->fmt.i_cat == VIDEO_ES &&
p_bridge->pp_es[i]->p_block->i_flags & BLOCK_FLAG_TYPE_I ) )
{
p_stream->p_next->pf_send( p_stream->p_next,
newid,
p_bridge->pp_es[i]->p_block );
p_sys->i_state = placeholder_off;
}
break;
case AUDIO_ES:
newid = p_sys->id_audio;
if( !newid )
break;
p_sys->i_last_audio = i_date;
default:
p_stream->p_next->pf_send( p_stream->p_next,
newid?newid:p_bridge->pp_es[i]->id,
p_bridge->pp_es[i]->p_block );
break;
}
}
else /* !b_placeholder */
p_stream->p_next->pf_send( p_stream->p_next,
p_bridge->pp_es[i]->id,
p_bridge->pp_es[i]->p_block );
}
else
{
block_ChainRelease( p_bridge->pp_es[i]->p_block );
}
p_bridge->pp_es[i]->p_block = NULL;
p_bridge->pp_es[i]->pp_last = &p_bridge->pp_es[i]->p_block;
}
if( b_no_es )
{
for ( i = 0; i < p_bridge->i_es_num; i++ )
free( p_bridge->pp_es[i] );
free( p_bridge->pp_es );
free( p_bridge );
var_Destroy( p_stream->p_libvlc, p_sys->psz_name );
}
}
if( p_sys->b_placeholder )
{
switch( id->i_cat )
{
case VIDEO_ES:
if( ( p_sys->i_last_video + p_sys->i_placeholder_delay < i_date
&& ( !p_sys->b_switch_on_iframe
|| p_buffer->i_flags & BLOCK_FLAG_TYPE_I ) )
|| p_sys->i_state == placeholder_on )
{
p_stream->p_next->pf_send( p_stream->p_next, id->id, p_buffer );
p_sys->i_state = placeholder_on;
}
else
block_Release( p_buffer );
break;
case AUDIO_ES:
if( p_sys->i_last_audio + p_sys->i_placeholder_delay < i_date )
p_stream->p_next->pf_send( p_stream->p_next, id->id, p_buffer );
else
block_Release( p_buffer );
break;
default:
block_Release( p_buffer ); /* FIXME: placeholder subs anyone? */
break;
}
}
vlc_mutex_unlock( &lock );
return VLC_SUCCESS;
}
/*****************************************************************************
* InitVideo: initialize the video decoder
*****************************************************************************
* the ffmpeg codec will be opened, some memory allocated. The vout is not yet
* opened (done after the first decoded frame).
*****************************************************************************/
int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
AVCodec *p_codec, int i_codec_id, const char *psz_namecodec )
{
decoder_sys_t *p_sys;
int i_val;
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(decoder_sys_t) ) ) == NULL )
return VLC_ENOMEM;
p_codec->type = AVMEDIA_TYPE_VIDEO;
p_context->codec_type = AVMEDIA_TYPE_VIDEO;
p_context->codec_id = i_codec_id;
p_sys->p_context = p_context;
p_sys->p_codec = p_codec;
p_sys->i_codec_id = i_codec_id;
p_sys->psz_namecodec = psz_namecodec;
p_sys->p_ff_pic = avcodec_alloc_frame();
p_sys->b_delayed_open = true;
p_sys->p_va = NULL;
vlc_sem_init( &p_sys->sem_mt, 0 );
/* ***** Fill p_context with init values ***** */
p_sys->p_context->codec_tag = ffmpeg_CodecTag( p_dec->fmt_in.i_original_fourcc ?: p_dec->fmt_in.i_codec );
/* ***** Get configuration of ffmpeg plugin ***** */
p_sys->p_context->workaround_bugs =
var_InheritInteger( p_dec, "avcodec-workaround-bugs" );
p_sys->p_context->err_recognition =
var_InheritInteger( p_dec, "avcodec-error-resilience" );
if( var_CreateGetBool( p_dec, "grayscale" ) )
p_sys->p_context->flags |= CODEC_FLAG_GRAY;
/* ***** Output always the frames ***** */
#if LIBAVCODEC_VERSION_CHECK(55, 23, 1, 40, 101)
p_sys->p_context->flags |= CODEC_FLAG_OUTPUT_CORRUPT;
#endif
i_val = var_CreateGetInteger( p_dec, "avcodec-vismv" );
if( i_val ) p_sys->p_context->debug_mv = i_val;
i_val = var_CreateGetInteger( p_dec, "avcodec-skiploopfilter" );
if( i_val >= 4 ) p_sys->p_context->skip_loop_filter = AVDISCARD_ALL;
else if( i_val == 3 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONKEY;
else if( i_val == 2 ) p_sys->p_context->skip_loop_filter = AVDISCARD_BIDIR;
else if( i_val == 1 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONREF;
if( var_CreateGetBool( p_dec, "avcodec-fast" ) )
p_sys->p_context->flags2 |= CODEC_FLAG2_FAST;
/* ***** libavcodec frame skipping ***** */
p_sys->b_hurry_up = var_CreateGetBool( p_dec, "avcodec-hurry-up" );
i_val = var_CreateGetInteger( p_dec, "avcodec-skip-frame" );
if( i_val >= 4 ) p_sys->p_context->skip_frame = AVDISCARD_ALL;
else if( i_val == 3 ) p_sys->p_context->skip_frame = AVDISCARD_NONKEY;
else if( i_val == 2 ) p_sys->p_context->skip_frame = AVDISCARD_BIDIR;
else if( i_val == 1 ) p_sys->p_context->skip_frame = AVDISCARD_NONREF;
else if( i_val == -1 ) p_sys->p_context->skip_frame = AVDISCARD_NONE;
else p_sys->p_context->skip_frame = AVDISCARD_DEFAULT;
p_sys->i_skip_frame = p_sys->p_context->skip_frame;
i_val = var_CreateGetInteger( p_dec, "avcodec-skip-idct" );
if( i_val >= 4 ) p_sys->p_context->skip_idct = AVDISCARD_ALL;
else if( i_val == 3 ) p_sys->p_context->skip_idct = AVDISCARD_NONKEY;
else if( i_val == 2 ) p_sys->p_context->skip_idct = AVDISCARD_BIDIR;
else if( i_val == 1 ) p_sys->p_context->skip_idct = AVDISCARD_NONREF;
else if( i_val == -1 ) p_sys->p_context->skip_idct = AVDISCARD_NONE;
else p_sys->p_context->skip_idct = AVDISCARD_DEFAULT;
p_sys->i_skip_idct = p_sys->p_context->skip_idct;
/* ***** libavcodec direct rendering ***** */
p_sys->b_direct_rendering = false;
p_sys->i_direct_rendering_used = -1;
if( var_CreateGetBool( p_dec, "avcodec-dr" ) &&
(p_sys->p_codec->capabilities & CODEC_CAP_DR1) &&
/* No idea why ... but this fixes flickering on some TSCC streams */
p_sys->i_codec_id != AV_CODEC_ID_TSCC && p_sys->i_codec_id != AV_CODEC_ID_CSCD &&
p_sys->i_codec_id != AV_CODEC_ID_CINEPAK &&
!p_sys->p_context->debug_mv )
{
/* Some codecs set pix_fmt only after the 1st frame has been decoded,
* so we need to do another check in ffmpeg_GetFrameBuf() */
p_sys->b_direct_rendering = true;
}
/* libavcodec doesn't properly release old pictures when frames are skipped */
//if( p_sys->b_hurry_up ) p_sys->b_direct_rendering = false;
if( p_sys->b_direct_rendering )
{
msg_Dbg( p_dec, "trying to use direct rendering" );
p_sys->p_context->flags |= CODEC_FLAG_EMU_EDGE;
}
else
{
msg_Dbg( p_dec, "direct rendering is disabled" );
}
p_sys->p_context->get_format = ffmpeg_GetFormat;
/* Always use our get_buffer wrapper so we can calculate the
* PTS correctly */
#if LIBAVCODEC_VERSION_MAJOR >= 55
p_sys->p_context->get_buffer2 = lavc_GetFrame;
#else
p_sys->p_context->get_buffer = ffmpeg_GetFrameBuf;
p_sys->p_context->reget_buffer = avcodec_default_reget_buffer;
p_sys->p_context->release_buffer = ffmpeg_ReleaseFrameBuf;
#endif
p_sys->p_context->opaque = p_dec;
#ifdef HAVE_AVCODEC_MT
int i_thread_count = var_InheritInteger( p_dec, "avcodec-threads" );
if( i_thread_count <= 0 )
{
i_thread_count = vlc_GetCPUCount();
if( i_thread_count > 1 )
i_thread_count++;
//FIXME: take in count the decoding time
i_thread_count = __MIN( i_thread_count, 4 );
}
i_thread_count = __MIN( i_thread_count, 16 );
msg_Dbg( p_dec, "allowing %d thread(s) for decoding", i_thread_count );
p_sys->p_context->thread_count = i_thread_count;
p_sys->p_context->thread_safe_callbacks = true;
switch( i_codec_id )
{
case AV_CODEC_ID_MPEG4:
case AV_CODEC_ID_H263:
p_sys->p_context->thread_type = 0;
break;
case AV_CODEC_ID_MPEG1VIDEO:
case AV_CODEC_ID_MPEG2VIDEO:
p_sys->p_context->thread_type &= ~FF_THREAD_SLICE;
/* fall through */
# if (LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55, 1, 0))
case AV_CODEC_ID_H264:
case AV_CODEC_ID_VC1:
case AV_CODEC_ID_WMV3:
p_sys->p_context->thread_type &= ~FF_THREAD_FRAME;
# endif
}
if( p_sys->p_context->thread_type & FF_THREAD_FRAME )
p_dec->i_extra_picture_buffers = 2 * p_sys->p_context->thread_count;
#endif
/* ***** misc init ***** */
p_sys->i_pts = VLC_TS_INVALID;
p_sys->b_has_b_frames = false;
p_sys->b_first_frame = true;
p_sys->b_flush = false;
p_sys->i_late_frames = 0;
/* Set output properties */
p_dec->fmt_out.i_cat = VIDEO_ES;
if( GetVlcChroma( &p_dec->fmt_out.video, p_context->pix_fmt ) != VLC_SUCCESS )
{
/* we are doomed. but not really, because most codecs set their pix_fmt later on */
p_dec->fmt_out.i_codec = VLC_CODEC_I420;
}
p_dec->fmt_out.i_codec = p_dec->fmt_out.video.i_chroma;
p_dec->fmt_out.video.orientation = p_dec->fmt_in.video.orientation;
#if LIBAVCODEC_VERSION_MAJOR < 54
/* Setup palette */
memset( &p_sys->palette, 0, sizeof(p_sys->palette) );
if( p_dec->fmt_in.video.p_palette )
{
p_sys->palette.palette_changed = 1;
for( int i = 0; i < __MIN( AVPALETTE_COUNT, p_dec->fmt_in.video.p_palette->i_entries ); i++ )
{
union {
uint32_t u;
uint8_t a[4];
} c;
c.a[0] = p_dec->fmt_in.video.p_palette->palette[i][0];
c.a[1] = p_dec->fmt_in.video.p_palette->palette[i][1];
c.a[2] = p_dec->fmt_in.video.p_palette->palette[i][2];
c.a[3] = p_dec->fmt_in.video.p_palette->palette[i][3];
p_sys->palette.palette[i] = c.u;
}
p_sys->p_context->palctrl = &p_sys->palette;
p_dec->fmt_out.video.p_palette = malloc( sizeof(video_palette_t) );
if( p_dec->fmt_out.video.p_palette )
*p_dec->fmt_out.video.p_palette = *p_dec->fmt_in.video.p_palette;
}
else if( p_sys->i_codec_id != CODEC_ID_MSVIDEO1 && p_sys->i_codec_id != CODEC_ID_CINEPAK )
{
p_sys->p_context->palctrl = &p_sys->palette;
}
#else
if( p_dec->fmt_in.video.p_palette ) {
p_sys->palette_sent = false;
p_dec->fmt_out.video.p_palette = malloc( sizeof(video_palette_t) );
if( p_dec->fmt_out.video.p_palette )
*p_dec->fmt_out.video.p_palette = *p_dec->fmt_in.video.p_palette;
} else
p_sys->palette_sent = true;
#endif
/* ***** init this codec with special data ***** */
ffmpeg_InitCodec( p_dec );
/* ***** Open the codec ***** */
if( ffmpeg_OpenCodec( p_dec ) < 0 )
{
msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
av_free( p_sys->p_ff_pic );
vlc_sem_destroy( &p_sys->sem_mt );
free( p_sys );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
static int parse_Manifest( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
xml_t *vlc_xml = NULL;
xml_reader_t *vlc_reader = NULL;
int type = UNKNOWN_ES;
const char *name, *value;
stream_t *st = s->p_source;
msg_Dbg( s, "Manifest parsing\n" );
vlc_xml = xml_Create( st );
if( !vlc_xml )
{
msg_Err( s, "Failed to open XML parser" );
return VLC_EGENERIC;
}
vlc_reader = xml_ReaderCreate( vlc_xml, st );
if( !vlc_reader )
{
msg_Err( s, "Failed to open source for parsing" );
xml_Delete( vlc_xml );
return VLC_EGENERIC;
}
const char *node;
uint8_t *WaveFormatEx;
sms_stream_t *sms = NULL;
quality_level_t *ql = NULL;
custom_attrs_t *cp = NULL;
int64_t start_time = 0, duration = 0;
int64_t computed_start_time = 0, computed_duration = 0;
unsigned next_track_id = 1;
int loop_count = 0;
bool b_weird = false;
int ret = VLC_SUCCESS;
#define TIMESCALE 10000000
while( (type = xml_ReaderNextNode( vlc_reader, &node )) > 0 )
{
switch( type )
{
case XML_READER_STARTELEM:
if( !strcmp( node, "SmoothStreamingMedia" ) )
{
while( (name = xml_ReaderNextAttr( vlc_reader, &value )) )
{
if( !strcmp( name, "Duration" ) )
p_sys->vod_duration = strtoull( value, NULL, 10 );
else if( !strcmp( name, "TimeScale" ) )
p_sys->timescale = strtoul( value, NULL, 10 );
else if ( !strcmp( name, "LookAheadFragmentCount" ) )
p_sys->download.lookahead_count = strtoul( value, NULL, 10 );
}
if( !p_sys->timescale )
p_sys->timescale = TIMESCALE;
}
else if( !strcmp( node, "StreamIndex" ) )
{
sms_Free( sms );
sms = sms_New();
if( unlikely( !sms ) )
{
ret = VLC_ENOMEM;
goto cleanup;
}
sms->id = next_track_id;
next_track_id++;
while( (name = xml_ReaderNextAttr( vlc_reader, &value )) )
{
if( !strcmp( name, "Type" ) )
{
if( !strcmp( value, "video" ) )
sms->type = VIDEO_ES;
else if( !strcmp( value, "audio" ) )
sms->type = AUDIO_ES;
else if( !strcmp( value, "text" ) )
sms->type = SPU_ES;
}
else if( !strcmp( name, "Name" ) )
sms->name = strdup( value );
else if( !strcmp( name, "TimeScale" ) )
sms->timescale = strtoull( value, NULL, 10 );
else if( !strcmp( name, "FourCC" ) )
sms->default_FourCC =
VLC_FOURCC( value[0], value[1], value[2], value[3] );
else if( !strcmp( name, "Chunks" ) )
{
sms->vod_chunks_nb = strtoul( value, NULL, 10 );
if( sms->vod_chunks_nb == 0 ) /* live */
sms->vod_chunks_nb = UINT32_MAX;
}
else if( !strcmp( name, "QualityLevels" ) )
sms->qlevel_nb = strtoul( value, NULL, 10 );
else if( !strcmp( name, "Url" ) )
sms->url_template = strdup(value);
}
if( !sms->timescale )
sms->timescale = TIMESCALE;
if( !sms->name )
{
if( sms->type == VIDEO_ES )
sms->name = strdup( "video" );
else if( sms->type == AUDIO_ES )
sms->name = strdup( "audio" );
else if( sms->type == SPU_ES )
sms->name = strdup( "text" );
}
}
else if ( !strcmp( node, "CustomAttributes" ) )
{
if (!sms || !ql || cp)
break;
cp = (custom_attrs_t *) calloc( 1, sizeof(*cp) );
if( unlikely( !cp ) )
{
ret = VLC_ENOMEM;
goto cleanup;
}
}
else if ( !strcmp( node, "Attribute" ) )
{
if (!sms || !ql || !cp)
break;
while( (name = xml_ReaderNextAttr( vlc_reader, &value )) )
{
if( !strcmp( name, "Name" ) && !cp->psz_key )
cp->psz_key = strdup( value );
else
if( !strcmp( name, "Value" ) && !cp->psz_value )
cp->psz_value = strdup( value );
}
}
else if( !strcmp( node, "QualityLevel" ) )
{
if ( !sms )
break;
ql = ql_New();
if( !ql )
{
ret = VLC_ENOMEM;
goto cleanup;
}
while( (name = xml_ReaderNextAttr( vlc_reader, &value )) )
{
if( !strcmp( name, "Index" ) )
ql->Index = strtol( value, NULL, 10 );
else if( !strcmp( name, "Bitrate" ) )
ql->Bitrate = strtoul( value, NULL, 10 );
else if( !strcmp( name, "PacketSize" ) )
ql->nBlockAlign = strtoul( value, NULL, 10 );
else if( !strcmp( name, "FourCC" ) )
ql->FourCC = VLC_FOURCC( value[0], value[1],
value[2], value[3] );
else if( !strcmp( name, "CodecPrivateData" ) )
ql->CodecPrivateData = strdup( value );
else if( !strcmp( name, "WaveFormatEx" ) )
{
WaveFormatEx = decode_string_hex_to_binary( value );
uint16_t data_len = ((uint16_t *)WaveFormatEx)[8];
ql->CodecPrivateData = strndup( value + 36, data_len * 2 );
uint16_t wf_tag = ((uint16_t *)WaveFormatEx)[0];
wf_tag_to_fourcc( wf_tag, &ql->FourCC, NULL );
ql->Channels = ((uint16_t *)WaveFormatEx)[1];
ql->SamplingRate = ((uint32_t *)WaveFormatEx)[1];
ql->nBlockAlign = ((uint16_t *)WaveFormatEx)[6];
ql->BitsPerSample = ((uint16_t *)WaveFormatEx)[7];
free( WaveFormatEx );
}
else if( !strcmp( name, "MaxWidth" ) || !strcmp( name, "Width" ) )
ql->MaxWidth = strtoul( value, NULL, 10 );
else if( !strcmp( name, "MaxHeight" ) || !strcmp( name, "Height" ) )
ql->MaxHeight = strtoul( value, NULL, 10 );
else if( !strcmp( name, "Channels" ) )
ql->Channels = strtoul( value, NULL, 10 );
else if( !strcmp( name, "SamplingRate" ) )
ql->SamplingRate = strtoul( value, NULL, 10 );
else if( !strcmp( name, "BitsPerSample" ) )
ql->BitsPerSample = strtoul( value, NULL, 10 );
}
ARRAY_APPEND( sms->qlevels, ql );
}
else if ( !strcmp( node, "Content" ) && sms && !sms->url_template )
{
/* empty(@Url) && ./Content == manifest embedded content */
sms_Free( sms );
sms = NULL;
}
else if( !strcmp( node, "c" ) )
{
if ( !sms )
break;
loop_count++;
start_time = duration = -1;
while( (name = xml_ReaderNextAttr( vlc_reader, &value )) )
{
if( !strcmp( name, "t" ) )
start_time = strtoll( value, NULL, 10 );
if( !strcmp( name, "d" ) )
duration = strtoll( value, NULL, 10 );
}
if( start_time == -1 )
{
assert( duration != -1 );
computed_start_time += computed_duration;
computed_duration = duration;
}
else if( duration == -1 )
{
assert( start_time != -1 );
/* Handle weird Manifests which give only the start time
* of the first segment. In those cases, we have to look
* at the start time of the second segment to compute
* the duration of the first one. */
if( loop_count == 1 )
{
b_weird = true;
computed_start_time = start_time;
continue;
}
computed_duration = start_time - computed_start_time;
if( !b_weird )
computed_start_time = start_time;
}
else
{
if( b_weird )
computed_duration = start_time - computed_start_time;
else
{
computed_start_time = start_time;
computed_duration = duration;
}
}
if( unlikely( chunk_AppendNew( sms, computed_duration,
computed_start_time ) == NULL ) )
{
ret = VLC_ENOMEM;
goto cleanup;
}
if( b_weird && start_time != -1 )
computed_start_time = start_time;
}
break;
case XML_READER_ENDELEM:
if ( !strcmp( node, "CustomAttributes" ) )
{
if ( cp )
{
ARRAY_APPEND(ql->custom_attrs, cp);
cp = NULL;
}
}
else if ( !strcmp( node, "Attribute" ) )
{
if( !cp->psz_key || !cp->psz_value )
{
cleanup_attributes( &cp );
}
}
else if( strcmp( node, "StreamIndex" ) )
break;
else if ( sms )
{
ARRAY_APPEND( p_sys->sms, sms );
computed_start_time = 0;
computed_duration = 0;
loop_count = 0;
if( b_weird && !chunk_AppendNew( sms, computed_duration, computed_start_time ) )
{
ret = VLC_ENOMEM;
goto cleanup;
}
b_weird = false;
if( sms->qlevel_nb == 0 )
sms->qlevel_nb = sms->qlevels.i_size;
sms = NULL;
}
break;
case XML_READER_TEXT:
break;
default:
ret = VLC_EGENERIC;
goto cleanup;
}
}
#undef TIMESCALE
cleanup:
cleanup_attributes( &cp );
sms_Free( sms );
xml_ReaderDelete( vlc_reader );
xml_Delete( vlc_xml );
return ret;
}
static picture_t *lavc_dr_GetFrame(struct AVCodecContext *ctx,
AVFrame *frame, int flags)
{
decoder_t *dec = (decoder_t *)ctx->opaque;
decoder_sys_t *sys = dec->p_sys;
if (GetVlcChroma(&dec->fmt_out.video, ctx->pix_fmt) != VLC_SUCCESS)
return NULL;
dec->fmt_out.i_codec = dec->fmt_out.video.i_chroma;
if (ctx->pix_fmt == PIX_FMT_PAL8)
return NULL;
int width = frame->width;
int height = frame->height;
int aligns[AV_NUM_DATA_POINTERS];
avcodec_align_dimensions2(ctx, &width, &height, aligns);
picture_t *pic = ffmpeg_NewPictBuf(dec, ctx);
if (pic == NULL)
return NULL;
/* Check that the picture is suitable for libavcodec */
if (pic->p[0].i_pitch < width * pic->p[0].i_pixel_pitch)
{
if (sys->i_direct_rendering_used != 0)
msg_Dbg(dec, "plane 0: pitch too small (%d/%d*%d)",
pic->p[0].i_pitch, width, pic->p[0].i_pixel_pitch);
goto no_dr;
}
if (pic->p[0].i_lines < height)
{
if (sys->i_direct_rendering_used != 0)
msg_Dbg(dec, "plane 0: lines too few (%d/%d)",
pic->p[0].i_lines, height);
goto no_dr;
}
for (int i = 0; i < pic->i_planes; i++)
{
if (pic->p[i].i_pitch % aligns[i])
{
if (sys->i_direct_rendering_used != 0)
msg_Dbg(dec, "plane %d: pitch not aligned (%d%%%d)",
i, pic->p[i].i_pitch, aligns[i]);
goto no_dr;
}
if (((uintptr_t)pic->p[i].p_pixels) % aligns[i])
{
if (sys->i_direct_rendering_used != 0)
msg_Warn(dec, "plane %d not aligned", i);
goto no_dr;
}
}
/* Allocate buffer references */
for (int i = 0; i < pic->i_planes; i++)
{
lavc_pic_ref_t *ref = malloc(sizeof (*ref));
if (ref == NULL)
goto error;
ref->decoder = dec;
ref->picture = pic;
decoder_LinkPicture(dec, pic);
uint8_t *data = pic->p[i].p_pixels;
int size = pic->p[i].i_pitch * pic->p[i].i_lines;
frame->buf[i] = av_buffer_create(data, size, lavc_dr_ReleaseFrame,
ref, 0);
if (unlikely(frame->buf[i] == NULL))
{
lavc_dr_ReleaseFrame(ref, data);
goto error;
}
}
decoder_UnlinkPicture(dec, pic);
(void) flags;
return pic;
error:
for (unsigned i = 0; frame->buf[i] != NULL; i++)
av_buffer_unref(&frame->buf[i]);
no_dr:
decoder_DeletePicture(dec, pic);
return NULL;
}
static unsigned int sms_Read( stream_t *s, uint8_t *p_read, unsigned int i_read )
{
stream_sys_t *p_sys = s->p_sys;
unsigned int copied = 0;
chunk_t *chunk = NULL;
do
{
bool b_isinitchunk = false;
chunk = get_chunk( s, true, &b_isinitchunk );
/* chunk here won't be processed further */
// msg_Dbg( s, "chunk %"PRIu64" init %d", (uint64_t) chunk, b_isinitchunk );
if( !chunk )
return copied;
if( chunk->read_pos >= chunk->size )
{
if( chunk->type == VIDEO_ES ||
( !SMS_GET_SELECTED_ST( VIDEO_ES ) && chunk->type == AUDIO_ES ) )
{
p_sys->playback.toffset += chunk->duration;
vlc_cond_signal( &p_sys->download.wait );
}
if ( b_isinitchunk )
{
assert( chunk->read_pos == chunk->size );
vlc_mutex_lock( &p_sys->playback.lock );
p_sys->playback.init.p_startchunk = NULL;
p_sys->playback.init.p_datachunk = NULL;
chunk_Free( chunk );
vlc_mutex_unlock( &p_sys->playback.lock );
}
else
{
vlc_mutex_lock( &p_sys->lock );
if( gotoNextChunk( p_sys ) == NULL )
{
vlc_mutex_unlock( &p_sys->lock );
return 0;
}
vlc_mutex_unlock( &p_sys->lock );
}
continue;
}
if( chunk->read_pos == 0 )
{
const char *verb = p_read == NULL ? "skipping" : "reading";
msg_Dbg( s, "%s chunk time %"PRIu64" (%u bytes), type %i",
verb, chunk->start_time, i_read, chunk->type );
}
uint64_t len = 0;
uint8_t *src = chunk->data + chunk->read_pos;
if( i_read <= chunk->size - chunk->read_pos )
len = i_read;
else
len = chunk->size - chunk->read_pos;
if( len > 0 )
{
if( p_read ) /* otherwise caller skips data */
memcpy( p_read + copied, src, len );
chunk->read_pos += len;
copied += len;
i_read -= len;
p_sys->playback.boffset += len;
}
} while ( i_read > 0 );
return copied;
}
/*****************************************************************************
* Init: initialize Crop video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
char *psz_var;
video_format_t fmt;
I_OUTPUTPICTURES = 0;
memset( &fmt, 0, sizeof(video_format_t) );
p_vout->p_sys->i_lastchange = 0;
p_vout->p_sys->b_changed = false;
/* Initialize the output structure */
p_vout->output.i_chroma = p_vout->render.i_chroma;
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
p_vout->fmt_out = p_vout->fmt_in;
/* Shall we use autocrop ? */
p_vout->p_sys->b_autocrop = var_InheritBool( p_vout, "autocrop" );
#ifdef BEST_AUTOCROP
p_vout->p_sys->i_ratio_max =
var_InheritInteger( p_vout, "autocrop-ratio-max" );
p_vout->p_sys->i_threshold =
var_InheritInteger( p_vout, "autocrop-luminance-threshold" );
p_vout->p_sys->i_skipPercent =
var_InheritInteger( p_vout, "autocrop-skip-percent" );
p_vout->p_sys->i_nonBlackPixel =
var_InheritInteger( p_vout, "autocrop-non-black-pixels" );
p_vout->p_sys->i_diff =
var_InheritInteger( p_vout, "autocrop-diff" );
p_vout->p_sys->i_time =
var_InheritInteger( p_vout, "autocrop-time" );
var_SetString( p_vout, "ratio-crop", "0" );
if (p_vout->p_sys->b_autocrop)
p_vout->p_sys->i_ratio = 0;
else
{
p_vout->p_sys->i_ratio = var_InheritInteger( p_vout, "crop-ratio" );
// ratio < width / height => ratio = 0 (unchange ratio)
if (p_vout->p_sys->i_ratio < (p_vout->output.i_width * 1000) / p_vout->output.i_height)
p_vout->p_sys->i_ratio = 0;
}
#endif
/* Get geometry value from the user */
psz_var = var_InheritString( p_vout, "crop-geometry" );
if( psz_var )
{
char *psz_parser, *psz_tmp;
psz_parser = psz_tmp = psz_var;
while( *psz_tmp && *psz_tmp != 'x' ) psz_tmp++;
if( *psz_tmp )
{
psz_tmp[0] = '\0';
p_vout->p_sys->i_width = atoi( psz_parser );
psz_parser = ++psz_tmp;
while( *psz_tmp && *psz_tmp != '+' ) psz_tmp++;
if( *psz_tmp )
{
psz_tmp[0] = '\0';
p_vout->p_sys->i_height = atoi( psz_parser );
psz_parser = ++psz_tmp;
while( *psz_tmp && *psz_tmp != '+' ) psz_tmp++;
if( *psz_tmp )
{
psz_tmp[0] = '\0';
p_vout->p_sys->i_x = atoi( psz_parser );
p_vout->p_sys->i_y = atoi( ++psz_tmp );
}
else
{
p_vout->p_sys->i_x = atoi( psz_parser );
p_vout->p_sys->i_y =
( p_vout->output.i_height - p_vout->p_sys->i_height ) / 2;
}
}
else
{
p_vout->p_sys->i_height = atoi( psz_parser );
p_vout->p_sys->i_x =
( p_vout->output.i_width - p_vout->p_sys->i_width ) / 2;
p_vout->p_sys->i_y =
( p_vout->output.i_height - p_vout->p_sys->i_height ) / 2;
}
}
else
{
p_vout->p_sys->i_width = atoi( psz_parser );
p_vout->p_sys->i_height = p_vout->output.i_height;
p_vout->p_sys->i_x =
( p_vout->output.i_width - p_vout->p_sys->i_width ) / 2;
p_vout->p_sys->i_y =
( p_vout->output.i_height - p_vout->p_sys->i_height ) / 2;
}
/* Check for validity */
if( p_vout->p_sys->i_x + p_vout->p_sys->i_width
> p_vout->output.i_width )
{
p_vout->p_sys->i_x = 0;
if( p_vout->p_sys->i_width > p_vout->output.i_width )
{
p_vout->p_sys->i_width = p_vout->output.i_width;
}
}
if( p_vout->p_sys->i_y + p_vout->p_sys->i_height
> p_vout->output.i_height )
{
p_vout->p_sys->i_y = 0;
if( p_vout->p_sys->i_height > p_vout->output.i_height )
{
p_vout->p_sys->i_height = p_vout->output.i_height;
}
}
free( psz_var );
}
else
#ifdef BEST_AUTOCROP
if (p_vout->p_sys->i_ratio)
{
p_vout->p_sys->i_aspect = p_vout->p_sys->i_ratio * 432;
p_vout->p_sys->i_width = p_vout->fmt_out.i_visible_width;
p_vout->p_sys->i_height = p_vout->output.i_aspect
* p_vout->output.i_height / p_vout->p_sys->i_aspect
* p_vout->p_sys->i_width / p_vout->output.i_width;
p_vout->p_sys->i_height += p_vout->p_sys->i_height % 2;
p_vout->p_sys->i_x = p_vout->fmt_out.i_x_offset;
p_vout->p_sys->i_y = (p_vout->output.i_height - p_vout->p_sys->i_height) / 2;
}
else
#endif
{
p_vout->p_sys->i_width = p_vout->fmt_out.i_visible_width;
p_vout->p_sys->i_height = p_vout->fmt_out.i_visible_height;
p_vout->p_sys->i_x = p_vout->fmt_out.i_x_offset;
p_vout->p_sys->i_y = p_vout->fmt_out.i_y_offset;
}
/* Pheeew. Parsing done. */
msg_Dbg( p_vout, "cropping at %ix%i+%i+%i, %sautocropping",
p_vout->p_sys->i_width, p_vout->p_sys->i_height,
p_vout->p_sys->i_x, p_vout->p_sys->i_y,
p_vout->p_sys->b_autocrop ? "" : "not " );
/* Set current output image properties */
p_vout->p_sys->i_aspect = (int64_t)VOUT_ASPECT_FACTOR *
p_vout->fmt_out.i_sar_num * p_vout->p_sys->i_width /
(p_vout->fmt_out.i_sar_den * p_vout->p_sys->i_height);
#ifdef BEST_AUTOCROP
msg_Info( p_vout, "ratio %d", p_vout->p_sys->i_aspect / 432);
#endif
fmt.i_width = fmt.i_visible_width = p_vout->p_sys->i_width;
fmt.i_height = fmt.i_visible_height = p_vout->p_sys->i_height;
fmt.i_x_offset = fmt.i_y_offset = 0;
fmt.i_chroma = p_vout->render.i_chroma;
fmt.i_sar_num = p_vout->p_sys->i_aspect * fmt.i_height;
fmt.i_sar_den = VOUT_ASPECT_FACTOR * fmt.i_width;
/* Try to open the real video output */
p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );
if( p_vout->p_sys->p_vout == NULL )
{
msg_Err( p_vout, "failed to create vout" );
dialog_Fatal( p_vout, _("Cropping failed"), "%s",
_("VLC could not open the video output module.") );
return VLC_EGENERIC;
}
vlc_mutex_init( &p_vout->p_sys->lock );
#ifdef BEST_AUTOCROP
var_AddCallback( p_vout, "ratio-crop", FilterCallback, NULL );
#endif
vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
vout_filter_AddChild( p_vout, p_vout->p_sys->p_vout, MouseEvent );
return VLC_SUCCESS;
}
int main( int i_argc, char **pp_argv )
{
const char *psz_network_name = "DVBlast - http://www.videolan.org/projects/dvblast.html";
char *p_network_name_tmp = NULL;
size_t i_network_name_tmp_size;
char *psz_dup_config = NULL;
mtime_t i_poll_timeout = MAX_POLL_TIMEOUT;
struct sched_param param;
int i_error;
int c;
struct sigaction sa;
sigset_t set;
int b_enable_syslog = 0;
if ( i_argc == 1 )
usage();
/*
* The only short options left are: 346789
* Use them wisely.
*/
static const struct option long_options[] =
{
{ "config-file", required_argument, NULL, 'c' },
{ "remote-socket", required_argument, NULL, 'r' },
{ "ttl", required_argument, NULL, 't' },
{ "rtp-output", required_argument, NULL, 'o' },
{ "priority", required_argument, NULL, 'i' },
{ "adapter", required_argument, NULL, 'a' },
{ "frontend-number", required_argument, NULL, 'n' },
{ "delsys", required_argument, NULL, '5' },
{ "frequency", required_argument, NULL, 'f' },
{ "fec-inner", required_argument, NULL, 'F' },
{ "rolloff", required_argument, NULL, 'R' },
{ "symbol-rate", required_argument, NULL, 's' },
{ "diseqc", required_argument, NULL, 'S' },
{ "uncommitted", required_argument, NULL, 'k' },
{ "voltage", required_argument, NULL, 'v' },
{ "force-pulse", no_argument, NULL, 'p' },
{ "bandwidth", required_argument, NULL, 'b' },
{ "inversion", required_argument, NULL, 'I' },
{ "modulation", required_argument, NULL, 'm' },
{ "pilot", required_argument, NULL, 'P' },
{ "multistream-id", required_argument, NULL, '1' },
{ "fec-lp", required_argument, NULL, 'K' },
{ "guard", required_argument, NULL, 'G' },
{ "hierarchy", required_argument, NULL, 'H' },
{ "transmission", required_argument, NULL, 'X' },
{ "lock-timeout", required_argument, NULL, 'O' },
{ "budget-mode", no_argument, NULL, 'u' },
{ "select-pmts", no_argument, NULL, 'w' },
{ "udp", no_argument, NULL, 'U' },
{ "unique-ts-id", no_argument, NULL, 'T' },
{ "latency", required_argument, NULL, 'L' },
{ "retention", required_argument, NULL, 'E' },
{ "duplicate", required_argument, NULL, 'd' },
{ "rtp-input", required_argument, NULL, 'D' },
{ "asi-adapter", required_argument, NULL, 'A' },
{ "any-type", no_argument, NULL, 'z' },
{ "dvb-compliance", no_argument, NULL, 'C' },
{ "emm-passthrough", no_argument, NULL, 'W' },
{ "ecm-passthrough", no_argument, NULL, 'Y' },
{ "epg-passthrough", no_argument, NULL, 'e' },
{ "network-name", no_argument, NULL, 'M' },
{ "network-id", no_argument, NULL, 'N' },
{ "system-charset", required_argument, NULL, 'j' },
{ "dvb-charset", required_argument, NULL, 'J' },
{ "provider-name", required_argument, NULL, 'B' },
{ "logger", no_argument, NULL, 'l' },
{ "logger-ident", required_argument, NULL, 'g' },
{ "print", required_argument, NULL, 'x' },
{ "quit-timeout", required_argument, NULL, 'Q' },
{ "quiet", no_argument, NULL, 'q' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ "mrtg-file", required_argument, NULL, 'Z' },
{ "ca-number", required_argument, NULL, 'y' },
{ "pidmap", required_argument, NULL, '0' },
{ "dvr-buf-size", required_argument, NULL, '2' },
{ 0, 0, 0, 0 }
};
while ( (c = getopt_long(i_argc, pp_argv, "q::c:r:t:o:i:a:n:5:f:F:R:s:S:k:v:pb:I:m:P:K:G:H:X:O:uwUTL:E:d:D:A:lg:zCWYeM:N:j:J:B:x:Q:hVZ:y:0:1:2:", long_options, NULL)) != -1 )
{
switch ( c )
{
case 'q':
if ( optarg )
{
if ( *optarg == 'q' ) /* e.g. -qqq */
{
i_verbose--;
while ( *optarg == 'q' )
{
i_verbose--;
optarg++;
}
}
else
{
i_verbose -= atoi( optarg ); /* e.g. -q2 */
}
}
else
{
i_verbose--; /* -q */
}
break;
case 'c':
psz_conf_file = optarg;
/*
* When configuration file is used it is reasonable to assume that
* services may be added/removed. If b_select_pmts is not set dvblast
* is unable to start streaming newly added services in the config.
*/
b_select_pmts = 1;
break;
case 'r':
psz_srv_socket = optarg;
break;
case 't':
i_ttl_global = strtol( optarg, NULL, 0 );
break;
case 'o':
{
struct in_addr maddr;
if ( !inet_aton( optarg, &maddr ) )
usage();
memcpy( pi_ssrc_global, &maddr.s_addr, 4 * sizeof(uint8_t) );
break;
}
case 'i':
i_priority = strtol( optarg, NULL, 0 );
break;
case 'a':
i_adapter = strtol( optarg, NULL, 0 );
break;
case 'n':
i_fenum = strtol( optarg, NULL, 0 );
break;
case 'y':
i_canum = strtol( optarg, NULL, 0 );
break;
case '5':
psz_delsys = optarg;
break;
case 'f':
if (optarg && optarg[0] != '-')
i_frequency = strtol( optarg, NULL, 0 );
if ( pf_Open != NULL )
usage();
#ifdef HAVE_DVB_SUPPORT
pf_Open = dvb_Open;
pf_Read = dvb_Read;
pf_Reset = dvb_Reset;
pf_SetFilter = dvb_SetFilter;
pf_UnsetFilter = dvb_UnsetFilter;
#else
msg_Err( NULL, "DVBlast is compiled without DVB support.");
exit(1);
#endif
break;
case 'F':
i_fec = strtol( optarg, NULL, 0 );
break;
case 'R':
i_rolloff = strtol( optarg, NULL, 0 );
break;
case 's':
i_srate = strtol( optarg, NULL, 0 );
break;
case 'S':
i_satnum = strtol( optarg, NULL, 16 );
break;
case 'k':
i_uncommitted = strtol( optarg, NULL, 16 );
break;
case 'v':
i_voltage = strtol( optarg, NULL, 0 );
break;
case 'p':
b_tone = 1;
break;
case 'b':
i_bandwidth = strtol( optarg, NULL, 0 );
break;
case 'I':
i_inversion = strtol( optarg, NULL, 0 );
break;
case 'm':
psz_modulation = optarg;
break;
case 'P':
i_pilot = strtol( optarg, NULL, 0 );
break;
case '1':
i_mis = strtol( optarg, NULL, 0 );
break;
case 'K':
i_fec_lp = strtol( optarg, NULL, 0 );
break;
case 'G':
i_guard = strtol( optarg, NULL, 0 );
break;
case 'X':
i_transmission = strtol( optarg, NULL, 0 );
break;
case 'O':
i_frontend_timeout_duration = strtoll( optarg, NULL, 0 ) * 1000;
break;
case 'H':
i_hierarchy = strtol( optarg, NULL, 0 );
break;
case 'u':
b_budget_mode = 1;
break;
case 'w':
b_select_pmts = 1; //!b_select_pmts;
break;
case 'U':
b_udp_global = true;
break;
case 'L':
i_latency_global = strtoll( optarg, NULL, 0 ) * 1000;
break;
case 'E':
i_retention_global = strtoll( optarg, NULL, 0 ) * 1000;
break;
case 'd':
psz_dup_config = optarg;
break;
case 'D':
psz_udp_src = optarg;
if ( pf_Open != NULL )
usage();
pf_Open = udp_Open;
pf_Read = udp_Read;
pf_Reset = udp_Reset;
pf_SetFilter = udp_SetFilter;
pf_UnsetFilter = udp_UnsetFilter;
break;
case 'A':
#ifdef HAVE_ASI_SUPPORT
if ( pf_Open != NULL )
usage();
if ( strncmp(optarg, "deltacast:", 10) == 0)
{
#ifdef HAVE_ASI_DELTACAST_SUPPORT
i_asi_adapter = strtol( optarg+10, NULL, 0 );
pf_Open = asi_deltacast_Open;
pf_Read = asi_deltacast_Read;
pf_Reset = asi_deltacast_Reset;
pf_SetFilter = asi_deltacast_SetFilter;
pf_UnsetFilter = asi_deltacast_UnsetFilter;
#else
msg_Err( NULL, "DVBlast is compiled without Deltacast ASI support.");
exit(1);
#endif
}
else
{
i_asi_adapter = strtol( optarg, NULL, 0 );
pf_Open = asi_Open;
pf_Read = asi_Read;
pf_Reset = asi_Reset;
pf_SetFilter = asi_SetFilter;
pf_UnsetFilter = asi_UnsetFilter;
}
#else
msg_Err( NULL, "DVBlast is compiled without ASI support.");
exit(1);
#endif
break;
case 'z':
b_any_type = 1;
break;
case 'C':
b_dvb_global = true;
break;
case 'W':
b_enable_emm = true;
break;
case 'Y':
b_enable_ecm = true;
break;
case 'e':
b_epg_global = true;
break;
case 'M':
psz_network_name = optarg;
break;
case 'N':
i_network_id = strtoul( optarg, NULL, 0 );
break;
case 'T':
b_random_tsid = 1;
break;
case 'j':
psz_native_charset = optarg;
break;
case 'J':
psz_dvb_charset = optarg;
break;
case 'B':
psz_provider_name = optarg;
break;
case 'l':
b_enable_syslog = 1;
break;
case 'g':
psz_syslog_ident = optarg;
break;
case 'x':
b_print_enabled = true;
if ( !strcmp(optarg, "text") )
i_print_type = PRINT_TEXT;
else if ( !strcmp(optarg, "xml") )
i_print_type = PRINT_XML;
else
{
b_print_enabled = false;
msg_Warn( NULL, "unrecognized print type %s", optarg );
}
/* Make stdout line-buffered */
setvbuf(stdout, NULL, _IOLBF, 0);
break;
case 'Q':
i_quit_timeout_duration = strtoll( optarg, NULL, 0 ) * 1000;
break;
case 'V':
DisplayVersion();
exit(0);
break;
case 'Z':
psz_mrtg_file = optarg;
break;
case '0': {
/* We expect a comma separated list of numbers.
Put them into the pi_newpids array as they appear */
char *str1;
char *saveptr = NULL;
char *tok = NULL;
int i, i_newpid;
for (i = 0, str1 = optarg; i < N_MAP_PIDS; i++, str1 = NULL)
{
tok = strtok_r(str1, ",", &saveptr);
if ( !tok )
break;
i_newpid = strtoul(tok, NULL, 0);
if ( !i_newpid ) {
msg_Err( NULL, "Invalid pidmap string" );
usage();
}
pi_newpids[i] = i_newpid;
}
b_do_remap = true;
break;
}
#ifdef HAVE_DVB_SUPPORT
case '2':
i_dvr_buffer_size = strtol( optarg, NULL, 0 );
if (!i_dvr_buffer_size)
usage(); // it exits
/* roundup to packet size */
i_dvr_buffer_size += TS_SIZE - 1;
i_dvr_buffer_size /= TS_SIZE;
i_dvr_buffer_size *= TS_SIZE;
break;
#endif
case 'h':
default:
usage();
}
}
if ( optind < i_argc || pf_Open == NULL )
usage();
if ( b_enable_syslog )
msg_Connect( psz_syslog_ident ? psz_syslog_ident : pp_argv[0] );
if ( i_verbose )
DisplayVersion();
msg_Warn( NULL, "restarting" );
switch (i_print_type)
{
case PRINT_XML:
printf("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
printf("<TS>\n");
break;
default:
break;
}
if ( b_udp_global )
{
msg_Warn( NULL, "raw UDP output is deprecated. Please consider using RTP." );
msg_Warn( NULL, "for DVB-IP compliance you should use RTP." );
}
if ( b_epg_global && !b_dvb_global )
{
msg_Dbg( NULL, "turning on DVB compliance, required by EPG information" );
b_dvb_global = true;
}
memset( &output_dup, 0, sizeof(output_dup) );
if ( psz_dup_config != NULL )
{
output_config_t config;
config_Defaults( &config );
if ( !config_ParseHost( &config, psz_dup_config ) )
msg_Err( NULL, "Invalid target address for -d switch" );
else
{
output_Init( &output_dup, &config );
output_Change( &output_dup, &config );
}
config_Free( &config );
}
if ( strcasecmp( psz_native_charset, psz_dvb_charset ) )
{
#ifdef HAVE_ICONV
iconv_t iconv_system = iconv_open( psz_dvb_charset,
psz_native_charset );
if ( iconv_system != (iconv_t)-1 )
{
size_t i = strlen( psz_network_name );
char *p, *psz_string;
i_network_name_tmp_size = i * 6;
p = psz_string = malloc(i_network_name_tmp_size);
if ( iconv( iconv_system, (char **)&psz_network_name, &i, &p,
&i_network_name_tmp_size ) == -1 )
free( psz_string );
else
{
p_network_name_tmp = psz_string;
i_network_name_tmp_size = p - psz_string;
}
iconv_close( iconv_system );
}
#else
msg_Warn( NULL,
"unable to convert from %s to %s (iconv is not available)",
psz_native_charset, psz_dvb_charset );
#endif
}
if ( p_network_name_tmp == NULL )
{
p_network_name_tmp = strdup(psz_network_name);
i_network_name_tmp_size = strlen(psz_network_name);
}
p_network_name = dvb_string_set( (uint8_t *)p_network_name_tmp,
i_network_name_tmp_size, psz_dvb_charset,
&i_network_name_size );
free( p_network_name_tmp );
/* Set signal handlers */
memset( &sa, 0, sizeof(struct sigaction) );
sa.sa_handler = SigHandler;
sigfillset( &set );
if ( sigaction( SIGHUP, &sa, NULL ) == -1 || sigaction( SIGINT, &sa, NULL ) == -1 )
{
msg_Err( NULL, "couldn't set signal handler: %s", strerror(errno) );
exit(EXIT_FAILURE);
}
srand( time(NULL) * getpid() );
demux_Open();
// init the mrtg logfile
mrtgInit(psz_mrtg_file);
if ( i_priority > 0 )
{
memset( ¶m, 0, sizeof(struct sched_param) );
param.sched_priority = i_priority;
if ( (i_error = pthread_setschedparam( pthread_self(), SCHED_RR,
¶m )) )
{
msg_Warn( NULL, "couldn't set thread priority: %s",
strerror(i_error) );
}
}
config_ReadFile( psz_conf_file );
if ( psz_srv_socket != NULL )
comm_Open();
for ( ; ; )
{
block_t *p_ts;
if ( b_exit_now )
{
msg_Info( NULL, "Shutdown was requested." );
break;
}
if ( b_conf_reload )
{
b_conf_reload = 0;
msg_Info( NULL, "Configuration reload was requested." );
config_ReadFile( psz_conf_file );
}
if ( i_quit_timeout && i_quit_timeout <= i_wallclock )
{
switch (i_print_type)
{
case PRINT_XML:
printf("</TS>\n");
break;
default:
break;
}
exit(EXIT_SUCCESS);
}
p_ts = pf_Read( i_poll_timeout );
if ( p_ts != NULL )
{
mrtgAnalyse(p_ts);
demux_Run( p_ts );
}
i_poll_timeout = output_Send();
if ( i_poll_timeout == -1 || i_poll_timeout > MAX_POLL_TIMEOUT )
i_poll_timeout = MAX_POLL_TIMEOUT;
}
mrtgClose();
outputs_Close( i_nb_outputs );
demux_Close();
free( p_network_name );
if ( b_enable_syslog )
msg_Disconnect();
if ( psz_srv_socket && i_comm_fd > -1 )
unlink( psz_srv_socket );
return EXIT_SUCCESS;
}
/*****************************************************************************
* Block:
*****************************************************************************/
static block_t *Block( access_t *p_access )
{
access_sys_t *p_sys = p_access->p_sys;
int i_blocks = VCD_BLOCKS_ONCE;
block_t *p_block;
/* Check end of file */
if( p_access->info.b_eof ) return NULL;
/* Check end of title */
while( p_sys->i_sector >= p_sys->p_sectors[p_sys->i_current_title + 2] )
{
if( p_sys->i_current_title + 2 >= p_sys->i_titles )
{
p_access->info.b_eof = true;
return NULL;
}
p_sys->i_current_title++;
p_sys->i_current_seekpoint = 0;
p_sys->offset = 0;
}
/* Don't read after the end of a title */
if( p_sys->i_sector + i_blocks >=
p_sys->p_sectors[p_sys->i_current_title + 2] )
{
i_blocks = p_sys->p_sectors[p_sys->i_current_title + 2 ] - p_sys->i_sector;
}
/* Do the actual reading */
if( i_blocks < 0 || !( p_block = block_Alloc( i_blocks * VCD_DATA_SIZE ) ) )
{
msg_Err( p_access, "cannot get a new block of size: %i",
i_blocks * VCD_DATA_SIZE );
return NULL;
}
if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
p_sys->i_sector, p_block->p_buffer, i_blocks, VCD_TYPE ) < 0 )
{
msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
block_Release( p_block );
/* Try to skip one sector (in case of bad sectors) */
p_sys->offset += VCD_DATA_SIZE;
p_sys->i_sector++;
return NULL;
}
/* Update seekpoints */
for( int i_read = 0; i_read < i_blocks; i_read++ )
{
input_title_t *t = p_sys->title[p_sys->i_current_title];
if( t->i_seekpoint > 0 &&
p_sys->i_current_seekpoint + 1 < t->i_seekpoint &&
(int64_t) /* Unlikely to go over 8192 PetaB */
(p_sys->offset + i_read * VCD_DATA_SIZE) >=
t->seekpoint[p_sys->i_current_seekpoint + 1]->i_byte_offset )
{
msg_Dbg( p_access, "seekpoint change" );
p_sys->i_current_seekpoint++;
}
}
/* Update a few values */
p_sys->offset += p_block->i_buffer;
p_sys->i_sector += i_blocks;
return p_block;
}
/*****************************************************************************
* DecodeBlock:
*****************************************************************************/
static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block;
if( !pp_block || !*pp_block ) return NULL;
p_block = *pp_block;
if( p_block->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
{
block_Release( p_block );
return NULL;
}
/* Remove ADTS header if we have decoder specific config */
if( p_dec->fmt_in.i_extra && p_block->i_buffer > 7 )
{
if( p_block->p_buffer[0] == 0xff &&
( p_block->p_buffer[1] & 0xf0 ) == 0xf0 ) /* syncword */
{ /* ADTS header present */
size_t i_header_size; /* 7 bytes (+ 2 bytes for crc) */
i_header_size = 7 + ( ( p_block->p_buffer[1] & 0x01 ) ? 0 : 2 );
/* FIXME: multiple blocks per frame */
if( p_block->i_buffer > i_header_size )
{
p_block->p_buffer += i_header_size;
p_block->i_buffer -= i_header_size;
}
}
}
/* Append the block to the temporary buffer */
if( p_sys->i_buffer_size < p_sys->i_buffer + p_block->i_buffer )
{
size_t i_buffer_size = p_sys->i_buffer + p_block->i_buffer;
uint8_t *p_buffer = realloc( p_sys->p_buffer, i_buffer_size );
if( p_buffer )
{
p_sys->i_buffer_size = i_buffer_size;
p_sys->p_buffer = p_buffer;
}
else
{
p_block->i_buffer = 0;
}
}
if( p_block->i_buffer > 0 )
{
vlc_memcpy( &p_sys->p_buffer[p_sys->i_buffer],
p_block->p_buffer, p_block->i_buffer );
p_sys->i_buffer += p_block->i_buffer;
p_block->i_buffer = 0;
}
if( p_dec->fmt_out.audio.i_rate == 0 && p_dec->fmt_in.i_extra > 0 )
{
/* We have a decoder config so init the handle */
unsigned long i_rate;
unsigned char i_channels;
if( faacDecInit2( p_sys->hfaad, p_dec->fmt_in.p_extra,
p_dec->fmt_in.i_extra,
&i_rate, &i_channels ) >= 0 )
{
p_dec->fmt_out.audio.i_rate = i_rate;
p_dec->fmt_out.audio.i_channels = i_channels;
p_dec->fmt_out.audio.i_physical_channels
= p_dec->fmt_out.audio.i_original_channels
= pi_channels_guessed[i_channels];
date_Init( &p_sys->date, i_rate, 1 );
}
}
if( p_dec->fmt_out.audio.i_rate == 0 && p_sys->i_buffer )
{
unsigned long i_rate;
unsigned char i_channels;
/* Init faad with the first frame */
if( faacDecInit( p_sys->hfaad,
p_sys->p_buffer, p_sys->i_buffer,
&i_rate, &i_channels ) < 0 )
{
block_Release( p_block );
return NULL;
}
p_dec->fmt_out.audio.i_rate = i_rate;
p_dec->fmt_out.audio.i_channels = i_channels;
p_dec->fmt_out.audio.i_physical_channels
= p_dec->fmt_out.audio.i_original_channels
= pi_channels_guessed[i_channels];
date_Init( &p_sys->date, i_rate, 1 );
}
if( p_block->i_pts > VLC_TS_INVALID && p_block->i_pts != date_Get( &p_sys->date ) )
{
date_Set( &p_sys->date, p_block->i_pts );
}
else if( !date_Get( &p_sys->date ) )
{
/* We've just started the stream, wait for the first PTS. */
block_Release( p_block );
p_sys->i_buffer = 0;
return NULL;
}
/* Decode all data */
if( p_sys->i_buffer )
{
void *samples;
faacDecFrameInfo frame;
aout_buffer_t *p_out;
int i, j;
samples = faacDecDecode( p_sys->hfaad, &frame,
p_sys->p_buffer, p_sys->i_buffer );
if( frame.error > 0 )
{
msg_Warn( p_dec, "%s", faacDecGetErrorMessage( frame.error ) );
/* Flush the buffer */
p_sys->i_buffer = 0;
block_Release( p_block );
return NULL;
}
if( frame.channels <= 0 || frame.channels > 8 || frame.channels == 7 )
{
msg_Warn( p_dec, "invalid channels count: %i", frame.channels );
/* Flush the buffer */
p_sys->i_buffer -= frame.bytesconsumed;
if( p_sys->i_buffer > 0 )
{
memmove( p_sys->p_buffer,&p_sys->p_buffer[frame.bytesconsumed],
p_sys->i_buffer );
}
block_Release( p_block );
return NULL;
}
if( frame.samples <= 0 )
{
msg_Warn( p_dec, "decoded zero sample" );
/* Flush the buffer */
p_sys->i_buffer -= frame.bytesconsumed;
if( p_sys->i_buffer > 0 )
{
memmove( p_sys->p_buffer,&p_sys->p_buffer[frame.bytesconsumed],
p_sys->i_buffer );
}
block_Release( p_block );
return NULL;
}
/* We decoded a valid frame */
if( p_dec->fmt_out.audio.i_rate != frame.samplerate )
{
date_Init( &p_sys->date, frame.samplerate, 1 );
date_Set( &p_sys->date, p_block->i_pts );
}
p_block->i_pts = VLC_TS_INVALID; /* PTS is valid only once */
p_dec->fmt_out.audio.i_rate = frame.samplerate;
p_dec->fmt_out.audio.i_channels = frame.channels;
p_dec->fmt_out.audio.i_physical_channels
= p_dec->fmt_out.audio.i_original_channels
= pi_channels_guessed[frame.channels];
/* Adjust stream info when dealing with SBR/PS */
bool b_sbr = (frame.sbr == 1) || (frame.sbr == 2);
if( p_sys->b_sbr != b_sbr || p_sys->b_ps != frame.ps )
{
const char *psz_ext = (b_sbr && frame.ps) ? "SBR+PS" :
b_sbr ? "SBR" : "PS";
msg_Dbg( p_dec, "AAC %s (channels: %u, samplerate: %lu)",
psz_ext, frame.channels, frame.samplerate );
if( !p_dec->p_description )
p_dec->p_description = vlc_meta_New();
if( p_dec->p_description )
vlc_meta_AddExtra( p_dec->p_description, _("AAC extension"), psz_ext );
p_sys->b_sbr = b_sbr;
p_sys->b_ps = frame.ps;
}
/* Convert frame.channel_position to our own channel values */
p_dec->fmt_out.audio.i_physical_channels = 0;
for( i = 0; i < frame.channels; i++ )
{
/* Find the channel code */
for( j = 0; j < MAX_CHANNEL_POSITIONS; j++ )
{
if( frame.channel_position[i] == pi_channels_in[j] )
break;
}
if( j >= MAX_CHANNEL_POSITIONS )
{
msg_Warn( p_dec, "unknown channel ordering" );
/* Invent something */
j = i;
}
/* */
p_sys->pi_channel_positions[i] = pi_channels_out[j];
if( p_dec->fmt_out.audio.i_physical_channels & pi_channels_out[j] )
frame.channels--; /* We loose a duplicated channel */
else
p_dec->fmt_out.audio.i_physical_channels |= pi_channels_out[j];
}
p_dec->fmt_out.audio.i_original_channels =
p_dec->fmt_out.audio.i_physical_channels;
p_out = decoder_NewAudioBuffer(p_dec, frame.samples/frame.channels);
if( p_out == NULL )
{
p_sys->i_buffer = 0;
block_Release( p_block );
return NULL;
}
p_out->i_pts = date_Get( &p_sys->date );
p_out->i_length = date_Increment( &p_sys->date,
frame.samples / frame.channels )
- p_out->i_pts;
DoReordering( (uint32_t *)p_out->p_buffer, samples,
frame.samples / frame.channels, frame.channels,
p_sys->pi_channel_positions );
p_sys->i_buffer -= frame.bytesconsumed;
if( p_sys->i_buffer > 0 )
{
memmove( p_sys->p_buffer, &p_sys->p_buffer[frame.bytesconsumed],
p_sys->i_buffer );
}
return p_out;
}
block_Release( p_block );
return NULL;
}
/*****************************************************************************
* VCDOpen: open vcd
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
access_t *p_access = (access_t *)p_this;
access_sys_t *p_sys;
if( p_access->psz_filepath == NULL )
return VLC_EGENERIC;
char *psz_dup = ToLocaleDup( p_access->psz_filepath );
char *psz;
int i_title = 0;
int i_chapter = 0;
vcddev_t *vcddev;
/* Command line: vcd://[dev_path][#title[,chapter]] */
if( ( psz = strchr( psz_dup, '#' ) ) )
{
*psz++ = '\0';
i_title = strtol( psz, &psz, 0 );
if( *psz )
i_chapter = strtol( psz+1, &psz, 0 );
}
if( *psz_dup == '\0' )
{
free( psz_dup );
/* Only when selected */
if( strcmp( p_access->psz_access, "vcd" ) &&
strcmp( p_access->psz_access, "svcd" ) )
return VLC_EGENERIC;
psz_dup = var_CreateGetString( p_access, "vcd" );
if( *psz_dup == '\0' )
{
free( psz_dup );
return VLC_EGENERIC;
}
}
#if defined( _WIN32 ) || defined( __OS2__ )
if( psz_dup[0] && psz_dup[1] == ':' &&
psz_dup[2] == '\\' && psz_dup[3] == '\0' ) psz_dup[2] = '\0';
#endif
/* Open VCD */
vcddev = ioctl_Open( p_this, psz_dup );
free( psz_dup );
if( !vcddev )
return VLC_EGENERIC;
/* Set up p_access */
p_access->p_sys = p_sys = calloc( 1, sizeof( access_sys_t ) );
if( unlikely(!p_sys ))
goto error;
p_sys->vcddev = vcddev;
p_sys->offset = 0;
/* We read the Table Of Content information */
p_sys->i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
p_sys->vcddev, &p_sys->p_sectors );
if( p_sys->i_titles < 0 )
{
msg_Err( p_access, "unable to count tracks" );
goto error;
}
else if( p_sys->i_titles <= 1 )
{
msg_Err( p_access, "no movie tracks found" );
goto error;
}
/* The first title isn't usable */
p_sys->i_titles--;
for( int i = 0; i < p_sys->i_titles; i++ )
{
p_sys->title[i] = vlc_input_title_New();
msg_Dbg( p_access, "title[%d] start=%d", i, p_sys->p_sectors[1+i] );
msg_Dbg( p_access, "title[%d] end=%d", i, p_sys->p_sectors[i+2] );
}
/* Map entry points into chapters */
if( EntryPoints( p_access ) )
{
msg_Warn( p_access, "could not read entry points, will not use them" );
}
/* Starting title/chapter and sector */
if( i_title >= p_sys->i_titles )
i_title = 0;
if( i_chapter >= p_sys->title[i_title]->i_seekpoint )
i_chapter = 0;
p_sys->i_sector = p_sys->p_sectors[1+i_title];
if( i_chapter > 0 )
{
p_sys->i_sector += ( p_sys->title[i_title]->seekpoint[i_chapter]->i_byte_offset /
VCD_DATA_SIZE );
}
/* p_access */
p_access->pf_read = NULL;
p_access->pf_block = Block;
p_access->pf_control = Control;
p_access->pf_seek = Seek;
p_access->info.b_eof = false;
p_sys->i_current_title = i_title;
p_sys->i_current_seekpoint = i_chapter;
p_sys->offset = (uint64_t)(p_sys->i_sector - p_sys->p_sectors[1+i_title]) *
VCD_DATA_SIZE;
return VLC_SUCCESS;
error:
ioctl_Close( VLC_OBJECT(p_access), vcddev );
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*) p_this;
int i_cat, i_codec_id, i_result;
const char *psz_namecodec;
AVCodecContext *p_context = NULL;
AVCodec *p_codec = NULL;
/* *** determine codec type *** */
if( !GetFfmpegCodec( p_dec->fmt_in.i_codec, &i_cat, &i_codec_id,
&psz_namecodec ) )
{
return VLC_EGENERIC;
}
/* Initialization must be done before avcodec_find_decoder() */
InitLibavcodec(p_this);
/* *** ask ffmpeg for a decoder *** */
p_codec = avcodec_find_decoder( i_codec_id );
if( !p_codec )
{
msg_Dbg( p_dec, "codec not found (%s)", psz_namecodec );
return VLC_EGENERIC;
}
/* *** get a p_context *** */
p_context = avcodec_alloc_context();
if( !p_context )
return VLC_ENOMEM;
p_context->debug = var_InheritInteger( p_dec, "ffmpeg-debug" );
p_context->opaque = (void *)p_this;
/* Set CPU capabilities */
unsigned i_cpu = vlc_CPU();
p_context->dsp_mask = 0;
if( !(i_cpu & CPU_CAPABILITY_MMX) )
{
p_context->dsp_mask |= FF_MM_MMX;
}
if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
{
p_context->dsp_mask |= FF_MM_MMXEXT;
}
if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
{
p_context->dsp_mask |= FF_MM_3DNOW;
}
if( !(i_cpu & CPU_CAPABILITY_SSE) )
{
p_context->dsp_mask |= FF_MM_SSE;
}
if( !(i_cpu & CPU_CAPABILITY_SSE2) )
{
p_context->dsp_mask |= FF_MM_SSE2;
}
#ifdef FF_MM_SSE3
if( !(i_cpu & CPU_CAPABILITY_SSE3) )
p_context->dsp_mask |= FF_MM_SSE3;
#endif
#ifdef FF_MM_SSSE3
if( !(i_cpu & CPU_CAPABILITY_SSSE3) )
p_context->dsp_mask |= FF_MM_SSSE3;
#endif
#ifdef FF_MM_SSE4
if( !(i_cpu & CPU_CAPABILITY_SSE4_1) )
p_context->dsp_mask |= FF_MM_SSE4;
#endif
#ifdef FF_MM_SSE42
if( !(i_cpu & CPU_CAPABILITY_SSE4_2) )
p_context->dsp_mask |= FF_MM_SSE42;
#endif
p_dec->b_need_packetized = true;
switch( i_cat )
{
case VIDEO_ES:
p_dec->pf_decode_video = DecodeVideo;
i_result = InitVideoDec ( p_dec, p_context, p_codec,
i_codec_id, psz_namecodec );
break;
case AUDIO_ES:
p_dec->pf_decode_audio = DecodeAudio;
i_result = InitAudioDec ( p_dec, p_context, p_codec,
i_codec_id, psz_namecodec );
break;
case SPU_ES:
p_dec->pf_decode_sub = DecodeSubtitle;
i_result = InitSubtitleDec( p_dec, p_context, p_codec,
i_codec_id, psz_namecodec );
break;
default:
i_result = VLC_EGENERIC;
}
if( i_result == VLC_SUCCESS )
{
p_dec->p_sys->i_cat = i_cat;
if( p_context->profile != FF_PROFILE_UNKNOWN)
p_dec->fmt_in.i_profile = p_context->profile;
if( p_context->level != FF_LEVEL_UNKNOWN)
p_dec->fmt_in.i_level = p_context->level;
}
return i_result;
}
static int sms_Read( stream_t *s, uint8_t *p_read, int i_read )
{
stream_sys_t *p_sys = s->p_sys;
int copied = 0;
chunk_t *chunk = NULL;
do
{
chunk = get_chunk( s, true );
if( !chunk )
return copied;
if( chunk->read_pos >= (int)chunk->size )
{
if( chunk->type == VIDEO_ES ||
( !SMS_GET_SELECTED_ST( VIDEO_ES ) && chunk->type == AUDIO_ES ) )
{
vlc_mutex_lock( &p_sys->download.lock_wait );
p_sys->playback.toffset += chunk->duration;
vlc_mutex_unlock( &p_sys->download.lock_wait );
vlc_cond_signal( &p_sys->download.wait);
}
if( !p_sys->b_cache || p_sys->b_live )
{
FREENULL( chunk->data );
chunk->read_pos = 0;
}
chunk->read_pos = 0;
p_sys->playback.index += 1;
msg_Dbg( s, "Incrementing playback index" );
continue;
}
if( chunk->read_pos == 0 )
{
const char *verb = p_read == NULL ? "skipping" : "reading";
msg_Dbg( s, "%s chunk %u (%u bytes), type %i",
verb, chunk->sequence, i_read, chunk->type );
/* check integrity */
uint32_t type;
uint8_t *slice = chunk->data;
SMS_GET4BYTES( type );
SMS_GETFOURCC( type );
assert( type == ATOM_moof || type == ATOM_uuid );
}
int len = -1;
uint8_t *src = chunk->data + chunk->read_pos;
if( i_read <= chunk->size - chunk->read_pos )
len = i_read;
else
len = chunk->size - chunk->read_pos;
if( len > 0 )
{
if( p_read ) /* otherwise caller skips data */
memcpy( p_read + copied, src, len );
chunk->read_pos += len;
copied += len;
i_read -= len;
}
} while ( i_read > 0 );
return copied;
}
static void transcode_video_encoder_init( sout_stream_t *p_stream,
sout_stream_id_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
const es_format_t *p_fmt_out = &id->p_decoder->fmt_out;
if( id->p_f_chain ) {
p_fmt_out = filter_chain_GetFmtOut( id->p_f_chain );
}
if( id->p_uf_chain ) {
p_fmt_out = filter_chain_GetFmtOut( id->p_uf_chain );
}
/* Calculate scaling
* width/height of source */
int i_src_visible_width = p_fmt_out->video.i_visible_width;
int i_src_visible_height = p_fmt_out->video.i_visible_height;
if (i_src_visible_width == 0)
i_src_visible_width = p_fmt_out->video.i_width;
if (i_src_visible_height == 0)
i_src_visible_height = p_fmt_out->video.i_height;
/* with/height scaling */
float f_scale_width = 1;
float f_scale_height = 1;
/* aspect ratio */
float f_aspect = (double)p_fmt_out->video.i_sar_num *
p_fmt_out->video.i_width /
p_fmt_out->video.i_sar_den /
p_fmt_out->video.i_height;
msg_Dbg( p_stream, "decoder aspect is %f:1", f_aspect );
/* Change f_aspect from source frame to source pixel */
f_aspect = f_aspect * i_src_visible_height / i_src_visible_width;
msg_Dbg( p_stream, "source pixel aspect is %f:1", f_aspect );
/* Calculate scaling factor for specified parameters */
if( id->p_encoder->fmt_out.video.i_width <= 0 &&
id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
{
/* Global scaling. Make sure width will remain a factor of 16 */
float f_real_scale;
int i_new_height;
int i_new_width = i_src_visible_width * p_sys->f_scale;
if( i_new_width % 16 <= 7 && i_new_width >= 16 )
i_new_width -= i_new_width % 16;
else
i_new_width += 16 - i_new_width % 16;
f_real_scale = (float)( i_new_width ) / (float) i_src_visible_width;
i_new_height = __MAX( 16, i_src_visible_height * (float)f_real_scale );
f_scale_width = f_real_scale;
f_scale_height = (float) i_new_height / (float) i_src_visible_height;
}
else if( id->p_encoder->fmt_out.video.i_width > 0 &&
id->p_encoder->fmt_out.video.i_height <= 0 )
{
/* Only width specified */
f_scale_width = (float)id->p_encoder->fmt_out.video.i_width/i_src_visible_width;
f_scale_height = f_scale_width;
}
else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
id->p_encoder->fmt_out.video.i_height > 0 )
{
/* Only height specified */
f_scale_height = (float)id->p_encoder->fmt_out.video.i_height/i_src_visible_height;
f_scale_width = f_scale_height;
}
else if( id->p_encoder->fmt_out.video.i_width > 0 &&
id->p_encoder->fmt_out.video.i_height > 0 )
{
/* Width and height specified */
f_scale_width = (float)id->p_encoder->fmt_out.video.i_width/i_src_visible_width;
f_scale_height = (float)id->p_encoder->fmt_out.video.i_height/i_src_visible_height;
}
/* check maxwidth and maxheight */
if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
i_src_visible_width )
{
f_scale_width = (float)p_sys->i_maxwidth / i_src_visible_width;
}
if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
i_src_visible_height )
{
f_scale_height = (float)p_sys->i_maxheight / i_src_visible_height;
}
/* Change aspect ratio from source pixel to scaled pixel */
f_aspect = f_aspect * f_scale_height / f_scale_width;
msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );
/* f_scale_width and f_scale_height are now final */
/* Calculate width, height from scaling
* Make sure its multiple of 2
*/
/* width/height of output stream */
int i_dst_visible_width = 2 * (int)(f_scale_width*i_src_visible_width/2+0.5);
int i_dst_visible_height = 2 * (int)(f_scale_height*i_src_visible_height/2+0.5);
int i_dst_width = 2 * (int)(f_scale_width*p_fmt_out->video.i_width/2+0.5);
int i_dst_height = 2 * (int)(f_scale_height*p_fmt_out->video.i_height/2+0.5);
/* Change aspect ratio from scaled pixel to output frame */
f_aspect = f_aspect * i_dst_visible_width / i_dst_visible_height;
/* Store calculated values */
id->p_encoder->fmt_out.video.i_width = i_dst_width;
id->p_encoder->fmt_out.video.i_visible_width = i_dst_visible_width;
id->p_encoder->fmt_out.video.i_height = i_dst_height;
id->p_encoder->fmt_out.video.i_visible_height = i_dst_visible_height;
id->p_encoder->fmt_in.video.i_width = i_dst_width;
id->p_encoder->fmt_in.video.i_visible_width = i_dst_visible_width;
id->p_encoder->fmt_in.video.i_height = i_dst_height;
id->p_encoder->fmt_in.video.i_visible_height = i_dst_visible_height;
msg_Dbg( p_stream, "source %ix%i, destination %ix%i",
i_src_visible_width, i_src_visible_height,
i_dst_visible_width, i_dst_visible_height
);
/* Handle frame rate conversion */
if( !id->p_encoder->fmt_out.video.i_frame_rate ||
!id->p_encoder->fmt_out.video.i_frame_rate_base )
{
if( p_fmt_out->video.i_frame_rate &&
p_fmt_out->video.i_frame_rate_base )
{
id->p_encoder->fmt_out.video.i_frame_rate =
p_fmt_out->video.i_frame_rate;
id->p_encoder->fmt_out.video.i_frame_rate_base =
p_fmt_out->video.i_frame_rate_base;
}
else
{
/* Pick a sensible default value */
id->p_encoder->fmt_out.video.i_frame_rate = ENC_FRAMERATE;
id->p_encoder->fmt_out.video.i_frame_rate_base = ENC_FRAMERATE_BASE;
}
}
id->p_encoder->fmt_in.video.i_frame_rate =
id->p_encoder->fmt_out.video.i_frame_rate;
id->p_encoder->fmt_in.video.i_frame_rate_base =
id->p_encoder->fmt_out.video.i_frame_rate_base;
date_Init( &id->interpolated_pts,
id->p_encoder->fmt_out.video.i_frame_rate,
id->p_encoder->fmt_out.video.i_frame_rate_base );
/* Check whether a particular aspect ratio was requested */
if( id->p_encoder->fmt_out.video.i_sar_num <= 0 ||
id->p_encoder->fmt_out.video.i_sar_den <= 0 )
{
vlc_ureduce( &id->p_encoder->fmt_out.video.i_sar_num,
&id->p_encoder->fmt_out.video.i_sar_den,
(uint64_t)p_fmt_out->video.i_sar_num * i_src_visible_width * i_dst_visible_height,
(uint64_t)p_fmt_out->video.i_sar_den * i_src_visible_height * i_dst_visible_width,
0 );
}
else
{
vlc_ureduce( &id->p_encoder->fmt_out.video.i_sar_num,
&id->p_encoder->fmt_out.video.i_sar_den,
id->p_encoder->fmt_out.video.i_sar_num,
id->p_encoder->fmt_out.video.i_sar_den,
0 );
}
id->p_encoder->fmt_in.video.i_sar_num =
id->p_encoder->fmt_out.video.i_sar_num;
id->p_encoder->fmt_in.video.i_sar_den =
id->p_encoder->fmt_out.video.i_sar_den;
msg_Dbg( p_stream, "encoder aspect is %i:%i",
id->p_encoder->fmt_out.video.i_sar_num * id->p_encoder->fmt_out.video.i_width,
id->p_encoder->fmt_out.video.i_sar_den * id->p_encoder->fmt_out.video.i_height );
id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
}
static sout_stream_id_sys_t * AddOut( sout_stream_t *p_stream, const es_format_t *p_fmt )
{
out_sout_stream_sys_t *p_sys = (out_sout_stream_sys_t *)p_stream->p_sys;
bridge_t *p_bridge;
bridged_es_t *p_es;
int i;
if ( p_sys->b_inited )
{
msg_Err( p_stream, "bridge-out can only handle 1 es at a time." );
return NULL;
}
p_sys->b_inited = true;
vlc_mutex_lock( &lock );
p_bridge = var_GetAddress( p_stream->p_libvlc, p_sys->psz_name );
if ( p_bridge == NULL )
{
p_bridge = xmalloc( sizeof( bridge_t ) );
var_Create( p_stream->p_libvlc, p_sys->psz_name, VLC_VAR_ADDRESS );
var_SetAddress( p_stream->p_libvlc, p_sys->psz_name, p_bridge );
p_bridge->i_es_num = 0;
p_bridge->pp_es = NULL;
}
for ( i = 0; i < p_bridge->i_es_num; i++ )
{
if ( p_bridge->pp_es[i]->b_empty && !p_bridge->pp_es[i]->b_changed )
break;
}
if ( i == p_bridge->i_es_num )
{
p_bridge->pp_es = xrealloc( p_bridge->pp_es,
(p_bridge->i_es_num + 1) * sizeof(bridged_es_t *) );
p_bridge->i_es_num++;
p_bridge->pp_es[i] = xmalloc( sizeof(bridged_es_t) );
}
p_sys->p_es = p_es = p_bridge->pp_es[i];
p_es->fmt = *p_fmt;
p_es->fmt.i_id = p_sys->i_id;
p_es->p_block = NULL;
p_es->pp_last = &p_es->p_block;
p_es->b_empty = false;
p_es->id = NULL;
p_es->i_last = VLC_TS_INVALID;
p_es->b_changed = true;
msg_Dbg( p_stream, "bridging out input codec=%4.4s id=%d pos=%d",
(char*)&p_es->fmt.i_codec, p_es->fmt.i_id, i );
vlc_mutex_unlock( &lock );
return (sout_stream_id_sys_t *)p_sys;
}
int transcode_video_process( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in, block_t **out )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
bool b_need_duplicate = false;
picture_t *p_pic;
*out = NULL;
if( unlikely( in == NULL ) )
{
if( p_sys->i_threads == 0 )
{
block_t *p_block;
do {
p_block = id->p_encoder->pf_encode_video(id->p_encoder, NULL );
block_ChainAppend( out, p_block );
} while( p_block );
}
else
{
/*
* FIXME: we need EncoderThread() to flush buffers and signal us
* when it's done so we can send the last frames to the chain
*/
}
return VLC_SUCCESS;
}
while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
{
if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
{
mtime_t current_date = mdate();
if( unlikely( current_date + 50000 > p_pic->date ) )
{
msg_Dbg( p_stream, "late picture skipped (%"PRId64")",
current_date + 50000 - p_pic->date );
picture_Release( p_pic );
continue;
}
}
if( p_sys->b_master_sync )
{
mtime_t i_master_drift = p_sys->i_master_drift;
mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
mtime_t i_video_drift = p_pic->date - i_pts;
if ( unlikely( i_video_drift > MASTER_SYNC_MAX_DRIFT
|| i_video_drift < -MASTER_SYNC_MAX_DRIFT ) )
{
msg_Dbg( p_stream,
"video drift is too high (%"PRId64", resetting master sync",
i_video_drift );
date_Set( &id->interpolated_pts, p_pic->date );
i_pts = p_pic->date + 1;
}
i_video_drift = p_pic->date - i_pts;
b_need_duplicate = false;
/* Set the pts of the frame being encoded */
p_pic->date = i_pts;
if( unlikely( i_video_drift < (i_master_drift - 50000) ) )
{
#if 0
msg_Dbg( p_stream, "dropping frame (%i)",
(int)(i_video_drift - i_master_drift) );
#endif
picture_Release( p_pic );
continue;
}
else if( unlikely( i_video_drift > (i_master_drift + 50000) ) )
{
#if 0
msg_Dbg( p_stream, "adding frame (%i)",
(int)(i_video_drift - i_master_drift) );
#endif
b_need_duplicate = true;
}
}
if( unlikely (
id->p_encoder->p_module &&
!video_format_IsSimilar( &p_sys->fmt_input_video, &id->p_decoder->fmt_out.video )
)
)
{
msg_Info( p_stream, "aspect-ratio changed, reiniting. %i -> %i : %i -> %i.",
p_sys->fmt_input_video.i_sar_num, id->p_decoder->fmt_out.video.i_sar_num,
p_sys->fmt_input_video.i_sar_den, id->p_decoder->fmt_out.video.i_sar_den
);
/* Close filters */
if( id->p_f_chain )
filter_chain_Delete( id->p_f_chain );
id->p_f_chain = NULL;
if( id->p_uf_chain )
filter_chain_Delete( id->p_uf_chain );
id->p_uf_chain = NULL;
/* Reinitialize filters */
id->p_encoder->fmt_out.video.i_width = p_sys->i_width & ~1;
id->p_encoder->fmt_out.video.i_height = p_sys->i_height & ~1;
id->p_encoder->fmt_out.video.i_sar_num = id->p_encoder->fmt_out.video.i_sar_den = 0;
transcode_video_filter_init( p_stream, id );
transcode_video_encoder_init( p_stream, id );
conversion_video_filter_append( id );
memcpy( &p_sys->fmt_input_video, &id->p_decoder->fmt_out.video, sizeof(video_format_t));
}
if( unlikely( !id->p_encoder->p_module ) )
{
if( id->p_f_chain )
filter_chain_Delete( id->p_f_chain );
if( id->p_uf_chain )
filter_chain_Delete( id->p_uf_chain );
id->p_f_chain = id->p_uf_chain = NULL;
transcode_video_filter_init( p_stream, id );
transcode_video_encoder_init( p_stream, id );
conversion_video_filter_append( id );
memcpy( &p_sys->fmt_input_video, &id->p_decoder->fmt_out.video, sizeof(video_format_t));
if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
{
picture_Release( p_pic );
transcode_video_close( p_stream, id );
id->b_transcode = false;
return VLC_EGENERIC;
}
}
/* Run the filter and output chains; first with the picture,
* and then with NULL as many times as we need until they
* stop outputting frames.
*/
for ( ;; ) {
picture_t *p_filtered_pic = p_pic;
/* Run filter chain */
if( id->p_f_chain )
p_filtered_pic = filter_chain_VideoFilter( id->p_f_chain, p_filtered_pic );
if( !p_filtered_pic )
break;
for ( ;; ) {
picture_t *p_user_filtered_pic = p_filtered_pic;
/* Run user specified filter chain */
if( id->p_uf_chain )
p_user_filtered_pic = filter_chain_VideoFilter( id->p_uf_chain, p_user_filtered_pic );
if( !p_user_filtered_pic )
break;
OutputFrame( p_sys, p_user_filtered_pic, b_need_duplicate, p_stream, id, out );
b_need_duplicate = false;
p_filtered_pic = NULL;
}
p_pic = NULL;
}
}
if( p_sys->i_threads >= 1 )
{
/* Pick up any return data the encoder thread wants to output. */
vlc_mutex_lock( &p_sys->lock_out );
*out = p_sys->p_buffers;
p_sys->p_buffers = NULL;
vlc_mutex_unlock( &p_sys->lock_out );
}
return VLC_SUCCESS;
}
static int AVI_ChunkRead_strf( stream_t *s, avi_chunk_t *p_chk )
{
avi_chunk_t *p_strh;
AVI_READCHUNK_ENTER;
if( p_chk->common.p_father == NULL )
{
msg_Err( (vlc_object_t*)s, "malformed avi file" );
AVI_READCHUNK_EXIT( VLC_EGENERIC );
}
if( !( p_strh = AVI_ChunkFind( p_chk->common.p_father, AVIFOURCC_strh, 0 ) ) )
{
msg_Err( (vlc_object_t*)s, "malformed avi file" );
AVI_READCHUNK_EXIT( VLC_EGENERIC );
}
switch( p_strh->strh.i_type )
{
case( AVIFOURCC_auds ):
p_chk->strf.auds.i_cat = AUDIO_ES;
p_chk->strf.auds.p_wf = xmalloc( __MAX( p_chk->common.i_chunk_size, sizeof( WAVEFORMATEX ) ) );
if ( !p_chk->strf.auds.p_wf )
{
AVI_READCHUNK_EXIT( VLC_ENOMEM );
}
AVI_READ2BYTES( p_chk->strf.auds.p_wf->wFormatTag );
AVI_READ2BYTES( p_chk->strf.auds.p_wf->nChannels );
AVI_READ4BYTES( p_chk->strf.auds.p_wf->nSamplesPerSec );
AVI_READ4BYTES( p_chk->strf.auds.p_wf->nAvgBytesPerSec );
AVI_READ2BYTES( p_chk->strf.auds.p_wf->nBlockAlign );
AVI_READ2BYTES( p_chk->strf.auds.p_wf->wBitsPerSample );
if( p_chk->strf.auds.p_wf->wFormatTag != WAVE_FORMAT_PCM
&& p_chk->common.i_chunk_size > sizeof( WAVEFORMATEX ) )
{
AVI_READ2BYTES( p_chk->strf.auds.p_wf->cbSize );
/* prevent segfault */
if( p_chk->strf.auds.p_wf->cbSize >
p_chk->common.i_chunk_size - sizeof( WAVEFORMATEX ) )
{
p_chk->strf.auds.p_wf->cbSize =
p_chk->common.i_chunk_size - sizeof( WAVEFORMATEX );
}
if( p_chk->strf.auds.p_wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE )
{
msg_Dbg( s, "Extended header found" );
}
}
else
{
p_chk->strf.auds.p_wf->cbSize = 0;
}
if( p_chk->strf.auds.p_wf->cbSize > 0 )
{
memcpy( &p_chk->strf.auds.p_wf[1] ,
p_buff + 8 + sizeof( WAVEFORMATEX ), /* 8=fourcc+size */
p_chk->strf.auds.p_wf->cbSize );
}
#ifdef AVI_DEBUG
msg_Dbg( (vlc_object_t*)s,
"strf: audio:0x%4.4x channels:%d %dHz %dbits/sample %dkb/s",
p_chk->strf.auds.p_wf->wFormatTag,
p_chk->strf.auds.p_wf->nChannels,
p_chk->strf.auds.p_wf->nSamplesPerSec,
p_chk->strf.auds.p_wf->wBitsPerSample,
p_chk->strf.auds.p_wf->nAvgBytesPerSec * 8 / 1024 );
#endif
break;
case( AVIFOURCC_vids ):
p_strh->strh.i_samplesize = 0; /* XXX for ffmpeg avi file */
p_chk->strf.vids.i_cat = VIDEO_ES;
p_chk->strf.vids.p_bih = xmalloc( __MAX( p_chk->common.i_chunk_size,
sizeof( *p_chk->strf.vids.p_bih ) ) );
if ( !p_chk->strf.vids.p_bih )
{
AVI_READCHUNK_EXIT( VLC_ENOMEM );
}
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biSize );
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biWidth );
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biHeight );
AVI_READ2BYTES( p_chk->strf.vids.p_bih->biPlanes );
AVI_READ2BYTES( p_chk->strf.vids.p_bih->biBitCount );
AVI_READFOURCC( p_chk->strf.vids.p_bih->biCompression );
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biSizeImage );
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biXPelsPerMeter );
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biYPelsPerMeter );
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biClrUsed );
AVI_READ4BYTES( p_chk->strf.vids.p_bih->biClrImportant );
if( p_chk->strf.vids.p_bih->biSize > p_chk->common.i_chunk_size )
{
p_chk->strf.vids.p_bih->biSize = p_chk->common.i_chunk_size;
}
if ( p_chk->common.i_chunk_size > sizeof(VLC_BITMAPINFOHEADER) )
{
uint64_t i_extrasize = p_chk->common.i_chunk_size - sizeof(VLC_BITMAPINFOHEADER);
/* There's a color palette appended, set up VLC_BITMAPINFO */
memcpy( &p_chk->strf.vids.p_bih[1],
p_buff + 8 + sizeof(VLC_BITMAPINFOHEADER), /* 8=fourrc+size */
i_extrasize );
if ( !p_chk->strf.vids.p_bih->biClrUsed )
p_chk->strf.vids.p_bih->biClrUsed = (1 << p_chk->strf.vids.p_bih->biBitCount);
if( i_extrasize / sizeof(uint32_t) > UINT32_MAX )
p_chk->strf.vids.p_bih->biClrUsed = UINT32_MAX;
else
{
p_chk->strf.vids.p_bih->biClrUsed =
__MIN( i_extrasize / sizeof(uint32_t),
p_chk->strf.vids.p_bih->biClrUsed );
}
/* stay within VLC's limits */
p_chk->strf.vids.p_bih->biClrUsed =
__MIN( VIDEO_PALETTE_COLORS_MAX, p_chk->strf.vids.p_bih->biClrUsed );
}
else p_chk->strf.vids.p_bih->biClrUsed = 0;
#ifdef AVI_DEBUG
msg_Dbg( (vlc_object_t*)s,
"strf: video:%4.4s %"PRIu32"x%"PRIu32" planes:%d %dbpp",
(char*)&p_chk->strf.vids.p_bih->biCompression,
(uint32_t)p_chk->strf.vids.p_bih->biWidth,
(uint32_t)p_chk->strf.vids.p_bih->biHeight,
p_chk->strf.vids.p_bih->biPlanes,
p_chk->strf.vids.p_bih->biBitCount );
#endif
break;
case AVIFOURCC_iavs:
case AVIFOURCC_ivas:
p_chk->strf.common.i_cat = UNKNOWN_ES;
break;
case( AVIFOURCC_txts ):
p_chk->strf.common.i_cat = SPU_ES;
break;
default:
msg_Warn( (vlc_object_t*)s, "unknown stream type: %4.4s",
(char*)&p_strh->strh.i_type );
p_chk->strf.common.i_cat = UNKNOWN_ES;
break;
}
AVI_READCHUNK_EXIT( VLC_SUCCESS );
}