/*****************************************************************************
* Demux: read packet and send them to decoders
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
vlc_tick_t i_date;
p_block = vlc_stream_Block( p_demux->s, CDG_FRAME_SIZE );
if( p_block == NULL )
{
msg_Dbg( p_demux, "cannot read data, eof" );
return VLC_DEMUXER_EOF;
}
i_date = PosToDate( p_demux );
if( i_date >= date_Get( &p_sys->pts ) + CDG_FRAME_DELTA )
{
p_block->i_dts = p_block->i_pts = VLC_TICK_0 + i_date;
date_Set( &p_sys->pts, VLC_TICK_0 + i_date );
}
else
{
p_block->i_dts = VLC_TICK_0 + i_date;
p_block->i_pts = date_Get( &p_sys->pts );
}
es_out_SetPCR( p_demux->out, p_block->i_pts );
es_out_Send( p_demux->out, p_sys->p_es, p_block );
return VLC_DEMUXER_SUCCESS;
}
/*****************************************************************************
* Demux: read packet and send them to decoders
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
mtime_t i_date;
mtime_t i_delta;
i_delta = INT64_C(1000000) / CDG_FRAME_RATE;
p_block = vlc_stream_Block( p_demux->s, CDG_FRAME_SIZE );
if( p_block == NULL )
{
msg_Dbg( p_demux, "cannot read data, eof" );
return 0;
}
i_date = vlc_stream_Tell( p_demux->s ) / CDG_FRAME_SIZE * i_delta;
if( i_date >= date_Get( &p_sys->pts ) + i_delta )
{
p_block->i_dts = p_block->i_pts = i_date;
date_Set( &p_sys->pts, i_date );
}
else
{
p_block->i_dts = i_date;
p_block->i_pts = date_Get( &p_sys->pts );
}
es_out_SetPCR( p_demux->out, p_block->i_pts );
es_out_Send( p_demux->out, p_sys->p_es, p_block );
return 1;
}
/*****************************************************************************
* ProcessPacket: processes a Opus packet.
*****************************************************************************/
static void *ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block = *pp_block;
/* Date management */
if( p_block && p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
if( !date_Get( &p_sys->end_date ) )
{
/* We've just started the stream, wait for the first PTS. */
if( p_block ) block_Release( p_block );
return NULL;
}
*pp_block = NULL; /* To avoid being fed the same packet again */
if( !p_block )
return NULL;
block_t *p_aout_buffer = DecodePacket( p_dec, p_oggpacket,
p_block->i_nb_samples,
(int)p_block->i_length );
block_Release( p_block );
return p_aout_buffer;
}
static block_t *PacketizeParse( void *p_private, bool *pb_ts_used, block_t *p_block )
{
decoder_t *p_dec = p_private;
decoder_sys_t *p_sys = p_dec->p_sys;
const uint8_t *p_buf = &p_block->p_buffer[2];
size_t i_buf = p_block->i_buffer - 2;
while( i_buf > 4 && p_buf[0] == 0xFF )
{
size_t i_size = 2 + GetWBE( &p_buf[2] );
if( i_size > i_buf )
break;
if( p_buf[1] == 0xC0 && i_buf > 9 )
{
uint16_t i_height = GetWBE( &p_buf[5] );
uint16_t i_width = GetWBE( &p_buf[7] );
if( i_height && i_width &&
(p_dec->fmt_out.video.i_height != i_height ||
p_dec->fmt_out.video.i_width != i_width) )
{
p_dec->fmt_out.video.i_width =
p_dec->fmt_out.video.i_visible_width = i_width;
p_dec->fmt_out.video.i_height =
p_dec->fmt_out.video.i_visible_height = i_height;
}
break;
}
i_buf -= i_size;
p_buf += i_size;
}
if( p_block->i_dts == VLC_TICK_INVALID )
p_block->i_dts = p_block->i_pts;
else if( p_block->i_pts == VLC_TICK_INVALID )
p_block->i_pts = p_block->i_dts;
vlc_tick_t i_prev_dts = date_Get( &p_sys->date );
if( p_block->i_dts != VLC_TICK_INVALID )
{
date_Set( &p_sys->date, p_block->i_dts );
}
else if( p_dec->fmt_in.video.i_frame_rate &&
p_dec->fmt_in.video.i_frame_rate_base )
{
date_Increment( &p_sys->date, 1 );
p_block->i_dts = p_block->i_pts = date_Get( &p_sys->date );
}
if( i_prev_dts != VLC_TICK_INVALID && p_block->i_dts != VLC_TICK_INVALID )
p_block->i_length = p_block->i_dts - i_prev_dts;
*pb_ts_used = true;
p_block->i_flags = p_sys->i_next_block_flags | BLOCK_FLAG_TYPE_I;
p_sys->i_next_block_flags = 0;
return p_block;
}
static int Control(demux_t *demux, int query, va_list args)
{
demux_sys_t *sys = demux->p_sys;
switch (query) {
case DEMUX_CAN_SEEK:
*va_arg(args, bool *) = sys->duration >= 0 && !sys->is_realtime;
return VLC_SUCCESS;
case DEMUX_GET_POSITION: {
double *position = va_arg(args, double *);
if (sys->duration > 0)
*position = date_Get(&sys->pts) / (double)sys->duration;
else
*position = 0;
return VLC_SUCCESS;
}
case DEMUX_SET_POSITION: {
if (sys->duration < 0 || sys->is_realtime)
return VLC_EGENERIC;
double position = va_arg(args, double);
date_Set(&sys->pts, position * sys->duration);
return VLC_SUCCESS;
}
case DEMUX_GET_TIME: {
int64_t *time = va_arg(args, int64_t *);
*time = sys->pts_origin + date_Get(&sys->pts);
return VLC_SUCCESS;
}
case DEMUX_SET_TIME: {
if (sys->duration < 0 || sys->is_realtime)
return VLC_EGENERIC;
int64_t time = va_arg(args, int64_t);
date_Set(&sys->pts, VLC_CLIP(time - sys->pts_origin, 0, sys->duration));
return VLC_SUCCESS;
}
case DEMUX_SET_NEXT_DEMUX_TIME: {
int64_t pts_next = VLC_TS_0 + va_arg(args, int64_t);
if (sys->pts_next <= VLC_TS_INVALID)
sys->pts_origin = pts_next;
sys->pts_next = pts_next;
return VLC_SUCCESS;
}
case DEMUX_GET_LENGTH: {
int64_t *length = va_arg(args, int64_t *);
*length = __MAX(sys->duration, 0);
return VLC_SUCCESS;
}
case DEMUX_GET_FPS: {
double *fps = va_arg(args, double *);
*fps = (double)sys->pts.i_divider_num / sys->pts.i_divider_den;
return VLC_SUCCESS;
}
case DEMUX_GET_META:
case DEMUX_HAS_UNSUPPORTED_META:
case DEMUX_GET_ATTACHMENTS:
default:
return VLC_EGENERIC;
}
}
/*****************************************************************************
* Thread:
*****************************************************************************/
static void *Thread( void *p_thread_data )
{
goom_thread_t *p_thread = (goom_thread_t*)p_thread_data;
date_t i_pts;
int16_t p_data[2][512];
int i_data = 0, i_count = 0;
PluginInfo *p_plugin_info;
int canc = vlc_savecancel ();
p_plugin_info = goom_init( p_thread->i_width, p_thread->i_height );
for( ;; )
{
uint32_t *plane;
picture_t *p_pic;
/* FIXME the way the update is done is not really good.
* Supurious wake up from p_thread->wait will make it generates a frame
* without using new samples (probably rare as we should not be waiting
* samples).
* The frame rate at which the video is generated is not well controlled
* nor the time at which each frame is displayed (not smooth)
*/
/* goom_update is damn slow, so just copy data and release the lock */
vlc_mutex_lock( &p_thread->lock );
if( !p_thread->b_exit &&
FillBuffer( (int16_t *)p_data, &i_data,
&i_pts, &p_thread->date, p_thread ) != VLC_SUCCESS )
vlc_cond_wait( &p_thread->wait, &p_thread->lock );
bool b_exit = p_thread->b_exit;
vlc_mutex_unlock( &p_thread->lock );
if( b_exit )
break;
/* Speed selection */
if( p_thread->i_speed && (++i_count % (p_thread->i_speed+1)) ) continue;
/* Frame dropping if necessary */
if( date_Get( &i_pts ) + GOOM_DELAY <= mdate() ) continue;
plane = goom_update( p_plugin_info, p_data, 0, 0.0,
NULL, NULL );
p_pic = vout_GetPicture( p_thread->p_vout );
if( unlikely(p_pic == NULL) )
continue;
memcpy( p_pic->p[0].p_pixels, plane, p_thread->i_width * p_thread->i_height * 4 );
p_pic->date = date_Get( &i_pts ) + GOOM_DELAY;
vout_PutPicture( p_thread->p_vout, p_pic );
}
goom_close( p_plugin_info );
vlc_restorecancel (canc);
return NULL;
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with whole samples (see nBlockAlign).
****************************************************************************/
static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( !pp_block || !*pp_block ) return NULL;
block_t *p_block = *pp_block;
if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
else if( !date_Get( &p_sys->end_date ) )
{
/* We've just started the stream, wait for the first PTS. */
block_Release( p_block );
return NULL;
}
/* Don't re-use the same pts twice */
p_block->i_pts = VLC_TS_INVALID;
unsigned samples = (8 * p_block->i_buffer) / p_sys->framebits;
if( samples == 0 )
{
block_Release( p_block );
return NULL;
}
/* Create chunks of max 1024 samples */
if( samples > 1024 ) samples = 1024;
block_t *p_out = decoder_NewAudioBuffer( p_dec, samples );
if( p_out == NULL )
{
block_Release( p_block );
return NULL;
}
p_out->i_pts = date_Get( &p_sys->end_date );
p_out->i_length = date_Increment( &p_sys->end_date, samples )
- p_out->i_pts;
if( p_sys->decode != NULL )
p_sys->decode( p_out->p_buffer, p_block->p_buffer,
samples * p_dec->fmt_in.audio.i_channels );
else
memcpy( p_out->p_buffer, p_block->p_buffer, p_out->i_buffer );
samples = (samples * p_sys->framebits) / 8;
p_block->p_buffer += samples;
p_block->i_buffer -= samples;
return p_out;
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with whole samples (see nBlockAlign).
****************************************************************************/
static int DecodeBlock( decoder_t *p_dec, block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_block == NULL ) /* No Drain */
return VLCDEC_SUCCESS;
if( p_block->i_flags & (BLOCK_FLAG_CORRUPTED|BLOCK_FLAG_DISCONTINUITY) )
{
Flush( p_dec );
if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
goto skip;
}
if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
else if( !date_Get( &p_sys->end_date ) )
/* We've just started the stream, wait for the first PTS. */
goto skip;
unsigned samples = (8 * p_block->i_buffer) / p_sys->framebits;
if( samples == 0 )
goto skip;
if( p_sys->decode != NULL )
{
if( decoder_UpdateAudioFormat( p_dec ) )
goto skip;
block_t *p_out = decoder_NewAudioBuffer( p_dec, samples );
if( p_out == NULL )
goto skip;
p_sys->decode( p_out->p_buffer, p_block->p_buffer,
samples * p_dec->fmt_in.audio.i_channels );
block_Release( p_block );
p_block = p_out;
}
else
{
decoder_UpdateAudioFormat( p_dec );
p_block->i_nb_samples = samples;
p_block->i_buffer = samples * (p_sys->framebits / 8);
}
p_block->i_pts = date_Get( &p_sys->end_date );
p_block->i_length = date_Increment( &p_sys->end_date, samples )
- p_block->i_pts;
decoder_QueueAudio( p_dec, p_block );
return VLCDEC_SUCCESS;
skip:
block_Release( p_block );
return VLCDEC_SUCCESS;
}
/*****************************************************************************
* Demux: read chunks and send them to the synthesizer
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux (demux_t *p_demux)
{
stream_t *s = p_demux->s;
demux_sys_t *p_sys = p_demux->p_sys;
uint64_t pulse = p_sys->pulse, next_pulse = UINT64_MAX;
if (pulse == UINT64_MAX)
return 0; /* all tracks are done */
es_out_Control (p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + date_Get (&p_sys->pts));
for (unsigned i = 0; i < p_sys->trackc; i++)
{
mtrk_t *track = p_sys->trackv + i;
while (track->next == pulse)
{
if (HandleMessage (p_demux, track)
|| ReadDeltaTime (s, track))
{
msg_Err (p_demux, "fatal parsing error");
return VLC_EGENERIC;
}
}
if (track->next < next_pulse)
next_pulse = track->next;
}
mtime_t cur_tick = (date_Get (&p_sys->pts) + 9999) / 10000, last_tick;
if (next_pulse != UINT64_MAX)
last_tick = date_Increment (&p_sys->pts, next_pulse - pulse) / 10000;
else
last_tick = cur_tick + 1;
/* MIDI Tick emulation (ping the decoder every 10ms) */
while (cur_tick < last_tick)
{
block_t *tick = block_New (p_demux, 1);
if (tick == NULL)
break;
tick->p_buffer[0] = 0xF9;
tick->i_dts = tick->i_pts = VLC_TS_0 + cur_tick++ * 10000;
es_out_Send (p_demux->out, p_sys->es, tick);
}
p_sys->pulse = next_pulse;
return 1;
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with whole samples (see nBlockAlign).
****************************************************************************/
static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( pp_block == NULL )
return NULL;
block_t *p_block = *pp_block;
if( p_block == NULL )
return NULL;
*pp_block = NULL;
if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
else if( !date_Get( &p_sys->end_date ) )
/* We've just started the stream, wait for the first PTS. */
goto skip;
unsigned samples = (8 * p_block->i_buffer) / p_sys->framebits;
if( samples == 0 )
goto skip;
if( p_sys->decode != NULL )
{
block_t *p_out = decoder_NewAudioBuffer( p_dec, samples );
if( p_out == NULL )
goto skip;
p_sys->decode( p_out->p_buffer, p_block->p_buffer,
samples * p_dec->fmt_in.audio.i_channels );
block_Release( p_block );
p_block = p_out;
}
else
{
decoder_UpdateAudioFormat( p_dec );
p_block->i_nb_samples = samples;
p_block->i_buffer = samples * (p_sys->framebits / 8);
}
p_block->i_pts = date_Get( &p_sys->end_date );
p_block->i_length = date_Increment( &p_sys->end_date, samples )
- p_block->i_pts;
return p_block;
skip:
block_Release( p_block );
return NULL;
}
static int Demux (demux_t *demux)
{
demux_sys_t *sys = demux->p_sys;
block_t *block = block_Alloc( sys->block_size);
if (unlikely(block==NULL))
return 0;
if (!sys->tune->getStatus()) {
block_Release (block);
return 0;
}
int i_read = sys->player->play ((void*)block->p_buffer, block->i_buffer);
if (i_read <= 0) {
block_Release (block);
return 0;
}
block->i_buffer = i_read;
block->i_pts = block->i_dts = VLC_TS_0 + date_Get (&sys->pts);
es_out_Control (demux->out, ES_OUT_SET_PCR, block->i_pts);
es_out_Send (demux->out, sys->es, block);
date_Increment (&sys->pts, i_read / sys->bytes_per_frame);
return 1;
}
/*****************************************************************************
* DecodePacket: decodes a Speex packet.
*****************************************************************************/
static block_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_oggpacket->bytes )
{
/* Copy Ogg packet to Speex bitstream */
speex_bits_read_from( &p_sys->bits, (char *)p_oggpacket->packet,
p_oggpacket->bytes );
p_sys->i_frame_in_packet = 0;
}
/* Decode one frame at a time */
if( p_sys->i_frame_in_packet < p_sys->p_header->frames_per_packet )
{
block_t *p_aout_buffer;
if( p_sys->p_header->frame_size == 0 )
return NULL;
p_aout_buffer =
decoder_NewAudioBuffer( p_dec, p_sys->p_header->frame_size );
if( !p_aout_buffer )
{
return NULL;
}
switch( speex_decode_int( p_sys->p_state, &p_sys->bits,
(int16_t *)p_aout_buffer->p_buffer ) )
{
case -2:
msg_Err( p_dec, "decoding error: corrupted stream?" );
case -1: /* End of stream */
return NULL;
}
if( speex_bits_remaining( &p_sys->bits ) < 0 )
{
msg_Err( p_dec, "decoding overflow: corrupted stream?" );
}
if( p_sys->p_header->nb_channels == 2 )
speex_decode_stereo_int( (int16_t *)p_aout_buffer->p_buffer,
p_sys->p_header->frame_size,
&p_sys->stereo );
/* Date management */
p_aout_buffer->i_pts = date_Get( &p_sys->end_date );
p_aout_buffer->i_length =
date_Increment( &p_sys->end_date, p_sys->p_header->frame_size )
- p_aout_buffer->i_pts;
p_sys->i_frame_in_packet++;
return p_aout_buffer;
}
else
{
return NULL;
}
}
/*****************************************************************************
* Demux:
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_frame;
const int i_bk = ( p_sys->fmt.audio.i_bitspersample / 8 ) *
p_sys->fmt.audio.i_channels;
p_frame = block_Alloc( p_sys->fmt.audio.i_rate / 10 * i_bk );
if( !p_frame )
return VLC_DEMUXER_EGENERIC;
const int i_read = ModPlug_Read( p_sys->f, p_frame->p_buffer, p_frame->i_buffer );
if( i_read <= 0 )
{
/* EOF */
block_Release( p_frame );
return VLC_DEMUXER_EOF;
}
p_frame->i_buffer = i_read;
p_frame->i_dts =
p_frame->i_pts = date_Get( &p_sys->pts );
es_out_SetPCR( p_demux->out, p_frame->i_pts );
es_out_Send( p_demux->out, p_sys->es, p_frame );
date_Increment( &p_sys->pts, i_read / i_bk );
return VLC_DEMUXER_SUCCESS;
}
/*****************************************************************************
* SplitBuffer: Needed because aout really doesn't like big audio chunk and
* wma produces easily > 30000 samples...
*****************************************************************************/
static aout_buffer_t *SplitBuffer( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
int i_samples = __MIN( p_sys->i_samples, 4096 );
aout_buffer_t *p_buffer;
if( i_samples == 0 ) return NULL;
if( ( p_buffer = decoder_NewAudioBuffer( p_dec, i_samples ) ) == NULL )
return NULL;
p_buffer->i_pts = date_Get( &p_sys->end_date );
p_buffer->i_length = date_Increment( &p_sys->end_date, i_samples )
- p_buffer->i_pts;
if( p_sys->b_extract )
aout_ChannelExtract( p_buffer->p_buffer, p_dec->fmt_out.audio.i_channels,
p_sys->p_samples, p_sys->p_context->channels, i_samples,
p_sys->pi_extraction, p_dec->fmt_out.audio.i_bitspersample );
else
memcpy( p_buffer->p_buffer, p_sys->p_samples, p_buffer->i_buffer );
p_sys->p_samples += i_samples * p_sys->p_context->channels * ( p_dec->fmt_out.audio.i_bitspersample / 8 );
p_sys->i_samples -= i_samples;
return p_buffer;
}
static int Audio_OnNewBlock(decoder_t *p_dec, block_t *p_block, int *p_flags)
{
decoder_sys_t *p_sys = p_dec->p_sys;
/* We've just started the stream, wait for the first PTS. */
if (!date_Get(&p_sys->u.audio.i_end_date))
{
if (p_block->i_pts <= VLC_TS_INVALID)
return 0;
date_Set(&p_sys->u.audio.i_end_date, p_block->i_pts);
}
/* try delayed opening if there is a new extra data */
if (!p_sys->api->b_started)
{
p_dec->p_sys->u.audio.i_channels = p_dec->fmt_in.audio.i_channels;
*p_flags |= NEWBLOCK_FLAG_RESTART;
/* Don't start if we don't have any csd */
if ((p_sys->i_quirks & OMXCODEC_QUIRKS_NEED_CSD)
&& !p_dec->fmt_in.i_extra)
*p_flags &= ~NEWBLOCK_FLAG_RESTART;
/* Don't start if we don't have a valid channels count */
if ((p_sys->i_quirks & OMXCODEC_AUDIO_QUIRKS_NEED_CHANNELS)
&& !p_dec->p_sys->u.audio.i_channels)
*p_flags &= ~NEWBLOCK_FLAG_RESTART;
}
return 1;
}
/*****************************************************************************
* Demux: read packet and send them to decoders
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
int64_t i_offset = vlc_stream_Tell( p_demux->s );
unsigned i_frames = p_sys->i_block_frames;
if( p_sys->i_data_size > 0 &&
(i_offset - HEADER_LENGTH) >= p_sys->i_data_size )
{
return VLC_DEMUXER_EOF;
}
p_block = vlc_stream_Block( p_demux->s, p_sys->i_frame_size * i_frames );
if( p_block == NULL )
{
msg_Warn( p_demux, "cannot read data" );
return VLC_DEMUXER_EOF;
}
i_frames = p_block->i_buffer / p_sys->i_frame_size;
p_block->i_dts = p_block->i_pts = date_Get( &p_sys->pts );
es_out_SetPCR( p_demux->out, p_block->i_pts );
es_out_Send( p_demux->out, p_sys->p_es, p_block );
date_Increment( &p_sys->pts, i_frames * FRAME_LENGTH );
return VLC_DEMUXER_SUCCESS;
}
/*****************************************************************************
* Demux: read packet and send them to decoders
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
int64_t i_offset;
unsigned i_frames = p_sys->i_block_frames;
i_offset = stream_Tell( p_demux->s );
if( p_sys->i_data_size > 0 &&
i_offset >= p_sys->i_data_offset + p_sys->i_data_size )
{
/* EOF */
return 0;
}
p_block = stream_Block( p_demux->s, p_sys->fmt.audio.i_bytes_per_frame *
i_frames );
if( p_block == NULL )
{
msg_Warn( p_demux, "cannot read data" );
return 0;
}
i_frames = p_block->i_buffer / p_sys->fmt.audio.i_bytes_per_frame;
p_block->i_dts = p_block->i_pts = VLC_TS_0 + date_Get( &p_sys->pts );
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block->i_pts );
es_out_Send( p_demux->out, p_sys->p_es, p_block );
date_Increment( &p_sys->pts, i_frames * p_sys->fmt.audio.i_frame_length );
return 1;
}
/*****************************************************************************
* SendFrame: send a video frame to the stream output.
*****************************************************************************/
static block_t *SendFrame( decoder_t *p_dec, block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
p_block->i_dts = p_block->i_pts = date_Get( &p_sys->pts );
if( p_sys->b_invert )
{
block_t *out = block_Alloc( p_block->i_buffer );
if( likely(out != NULL) )
{
block_CopyProperties( out, p_block );
const uint8_t *p_src = p_block->p_buffer;
uint8_t *p_pixels = out->p_buffer;
for( unsigned i = 0; i < PICTURE_PLANE_MAX; i++ )
{
unsigned pitch = p_sys->pitches[i];
unsigned lines = p_sys->lines[i];
uint8_t *p_dst = p_pixels + (pitch * lines);
for( unsigned x = 0; x < lines; x++ )
{
p_dst -= p_sys->pitches[i];
memcpy( p_dst, p_src, p_sys->pitches[i] );
p_src += p_sys->pitches[i];
}
}
}
block_Release( p_block );
}
return p_block;
}
static int DemuxOnce (demux_t *demux, bool master)
{
demux_sys_t *sys = demux->p_sys;
mtime_t pts = date_Get (&sys->date);
lldiv_t d;
unsigned h, m, s, f;
d = lldiv (pts, CLOCK_FREQ);
f = d.rem * sys->date.i_divider_num / sys->date.i_divider_den / CLOCK_FREQ;
d = lldiv (d.quot, 60);
s = d.rem;
d = lldiv (d.quot, 60);
m = d.rem;
h = d.quot;
char *str;
int len = asprintf (&str, "%02u:%02u:%02u:%02u", h, m, s, f);
if (len == -1)
return -1;
block_t *block = block_heap_Alloc (str, len + 1);
if (unlikely(block == NULL))
return -1;
block->i_buffer = len;
assert(str[len] == '\0');
block->i_pts = block->i_dts = pts;
block->i_length = date_Increment (&sys->date, 1) - pts;
es_out_Send (demux->out, sys->es, block);
if (master)
es_out_SetPCR(demux->out, pts);
return 1;
}
static int Demux (demux_t *demux)
{
demux_sys_t *sys = demux->p_sys;
/* Next track */
if (gme_track_ended (sys->emu))
{
msg_Dbg (demux, "track %u ended", sys->track_id);
if (++sys->track_id >= (unsigned)gme_track_count (sys->emu))
return 0;
demux->info.i_update |= INPUT_UPDATE_TITLE;
demux->info.i_title = sys->track_id;
gme_start_track (sys->emu, sys->track_id);
}
block_t *block = block_Alloc (2 * 2 * SAMPLES);
if (unlikely(block == NULL))
return 0;
gme_err_t ret = gme_play (sys->emu, 2 * SAMPLES, (void *)block->p_buffer);
if (ret != NULL)
{
block_Release (block);
msg_Err (demux, "%s", ret);
return 0;
}
block->i_pts = block->i_dts = VLC_TS_0 + date_Get (&sys->pts);
es_out_Control (demux->out, ES_OUT_SET_PCR, block->i_pts);
es_out_Send (demux->out, sys->es, block);
date_Increment (&sys->pts, SAMPLES);
return 1;
}
/*****************************************************************************
* DecodeFrame: decodes a video frame.
*****************************************************************************/
static picture_t *DecodeFrame( decoder_t *p_dec, block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
picture_t *p_pic;
/* Get a new picture */
p_pic = decoder_NewPicture( p_dec );
if( !p_pic )
{
block_Release( p_block );
return NULL;
}
FillPicture( p_dec, p_block, p_pic );
p_pic->date = date_Get( &p_sys->pts );
if( p_block->i_flags & BLOCK_FLAG_INTERLACED_MASK )
{
p_pic->b_progressive = false;
p_pic->i_nb_fields = 2;
if( p_block->i_flags & BLOCK_FLAG_TOP_FIELD_FIRST )
p_pic->b_top_field_first = true;
else
p_pic->b_top_field_first = false;
}
else
p_pic->b_progressive = true;
block_Release( p_block );
return p_pic;
}
/*****************************************************************************
* ProcessPacket: processes a Vorbis packet.
*****************************************************************************/
static block_t *ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block = *pp_block;
*pp_block = NULL; /* To avoid being fed the same packet again */
if( !p_block )
return NULL;
if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
{
Flush( p_dec );
if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
{
block_Release(p_block);
return NULL;
}
}
/* Date management */
if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
if( !date_Get( &p_sys->end_date ) )
{
/* We've just started the stream, wait for the first PTS. */
if( p_block ) block_Release( p_block );
return NULL;
}
if( p_sys->b_packetizer )
{
return SendPacket( p_dec, p_oggpacket, p_block );
}
else
{
block_t *p_aout_buffer = DecodePacket( p_dec, p_oggpacket );
if( p_block )
block_Release( p_block );
return p_aout_buffer;
}
}
/*****************************************************************************
* DecodePacket: decodes a Opus packet.
*****************************************************************************/
static block_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
int i_nb_samples, int i_end_trim )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( !p_oggpacket->bytes )
return NULL;
int spp;
spp=opus_packet_get_nb_frames(p_oggpacket->packet,p_oggpacket->bytes);
if(spp>0)spp*=opus_packet_get_samples_per_frame(p_oggpacket->packet,48000);
if(spp<120||spp>120*48)return NULL;
block_t *p_aout_buffer=decoder_NewAudioBuffer( p_dec, spp );
if ( !p_aout_buffer )
{
msg_Err(p_dec, "Oops: No new buffer was returned!");
return NULL;
}
spp=opus_multistream_decode_float(p_sys->p_st, p_oggpacket->packet,
p_oggpacket->bytes, (float *)p_aout_buffer->p_buffer, spp, 0);
if( spp < 0 || i_nb_samples <= 0 || i_end_trim >= i_nb_samples)
{
block_Release(p_aout_buffer);
if( spp < 0 )
msg_Err( p_dec, "Error: corrupted stream?" );
return NULL;
}
p_aout_buffer->i_buffer = (i_nb_samples - i_end_trim) *
p_sys->header.channels * sizeof(float);
if( spp > i_nb_samples )
{
memmove(p_aout_buffer->p_buffer,
p_aout_buffer->p_buffer
+ (spp - i_nb_samples)*p_sys->header.channels*sizeof(float),
(i_nb_samples - i_end_trim)*p_sys->header.channels*sizeof(float));
}
i_nb_samples -= i_end_trim;
#ifndef OPUS_SET_GAIN
if(p_sys->header.gain!=0)
{
float gain = pow(10., p_sys->header.gain/5120.);
float *buf =(float *)p_aout_buffer->p_buffer;
int i;
for( i = 0; i < i_nb_samples*p_sys->header.channels; i++)
buf[i] *= gain;
}
#endif
p_aout_buffer->i_nb_samples = i_nb_samples;
p_aout_buffer->i_pts = date_Get( &p_sys->end_date );
p_aout_buffer->i_length = date_Increment( &p_sys->end_date, i_nb_samples )
- p_aout_buffer->i_pts;
return p_aout_buffer;
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with complete frames.
****************************************************************************/
static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block;
void *p_buf;
if( !pp_block || !*pp_block ) return NULL;
p_block = *pp_block;
if( p_block->i_pts <= VLC_TS_INVALID && p_block->i_dts <= VLC_TS_INVALID &&
!date_Get( &p_sys->pts ) )
{
/* We've just started the stream, wait for the first PTS. */
block_Release( p_block );
return NULL;
}
/* Date management: If there is a pts avaliable, use that. */
if( p_block->i_pts > VLC_TS_INVALID )
{
date_Set( &p_sys->pts, p_block->i_pts );
}
else if( p_block->i_dts > VLC_TS_INVALID )
{
/* NB, davidf doesn't quite agree with this in general, it is ok
* for rawvideo since it is in order (ie pts=dts), however, it
* may not be ok for an out-of-order codec, so don't copy this
* without thinking */
date_Set( &p_sys->pts, p_block->i_dts );
}
if( p_block->i_buffer < p_sys->i_raw_size )
{
msg_Warn( p_dec, "invalid frame size (%zu < %zu)",
p_block->i_buffer, p_sys->i_raw_size );
block_Release( p_block );
return NULL;
}
if( p_sys->b_packetizer )
{
p_buf = SendFrame( p_dec, p_block );
}
else
{
p_buf = DecodeFrame( p_dec, p_block );
}
/* Date management: 1 frame per packet */
date_Increment( &p_sys->pts, 1 );
*pp_block = NULL;
return p_buf;
}
/*****************************************************************************
* aout_FifoPush : push a packet into the FIFO
*****************************************************************************/
void aout_FifoPush( aout_fifo_t * p_fifo, aout_buffer_t * p_buffer )
{
*p_fifo->pp_last = p_buffer;
p_fifo->pp_last = &p_buffer->p_next;
*p_fifo->pp_last = NULL;
/* Enforce the continuity of the stream. */
if ( date_Get( &p_fifo->end_date ) )
{
p_buffer->i_pts = date_Get( &p_fifo->end_date );
p_buffer->i_length = date_Increment( &p_fifo->end_date,
p_buffer->i_nb_samples );
p_buffer->i_length -= p_buffer->i_pts;
}
else
{
date_Set( &p_fifo->end_date, p_buffer->i_pts + p_buffer->i_length );
}
}
static int Demux(demux_t *demux)
{
demux_sys_t *sys = demux->p_sys;
if (!sys->data)
return 0;
mtime_t deadline;
const mtime_t pts_first = sys->pts_origin + date_Get(&sys->pts);
if (sys->pts_next > VLC_TS_INVALID) {
deadline = sys->pts_next;
} else if (sys->is_realtime) {
deadline = mdate();
const mtime_t max_wait = CLOCK_FREQ / 50;
if (deadline + max_wait < pts_first) {
es_out_Control(demux->out, ES_OUT_SET_PCR, deadline);
/* That's ugly, but not yet easily fixable */
mwait(deadline + max_wait);
return 1;
}
} else {
deadline = 1 + pts_first;
}
for (;;) {
const mtime_t pts = sys->pts_origin + date_Get(&sys->pts);
if (sys->duration >= 0 && pts >= sys->pts_origin + sys->duration)
return 0;
if (pts >= deadline)
return 1;
block_t *data = block_Duplicate(sys->data);
if (!data)
return -1;
data->i_dts =
data->i_pts = VLC_TS_0 + pts;
es_out_Control(demux->out, ES_OUT_SET_PCR, data->i_pts);
es_out_Send(demux->out, sys->es, data);
date_Increment(&sys->pts, 1);
}
}
int transcode_audio_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;
block_t *p_block, *p_audio_buf;
*out = NULL;
while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
&in )) )
{
sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_AUDIO, 1 );
if( p_sys->b_master_sync )
{
mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
if ( p_audio_buf->i_pts - i_dts > MASTER_SYNC_MAX_DRIFT
|| p_audio_buf->i_pts - i_dts < -MASTER_SYNC_MAX_DRIFT )
{
msg_Dbg( p_stream, "drift is too high, resetting master sync" );
date_Set( &id->interpolated_pts, p_audio_buf->i_pts );
i_dts = p_audio_buf->i_pts + 1;
}
p_sys->i_master_drift = p_audio_buf->i_pts - i_dts;
date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
p_audio_buf->i_pts -= p_sys->i_master_drift;
}
p_audio_buf->i_dts = p_audio_buf->i_pts;
/* Run filter chain */
if( id->p_uf_chain )
{
p_audio_buf = filter_chain_AudioFilter( id->p_uf_chain,
p_audio_buf );
if( !p_audio_buf )
abort();
}
p_audio_buf = filter_chain_AudioFilter( id->p_f_chain, p_audio_buf );
if( !p_audio_buf )
abort();
p_audio_buf->i_dts = p_audio_buf->i_pts;
audio_timer_start( id->p_encoder );
p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
audio_timer_stop( id->p_encoder );
block_ChainAppend( out, p_block );
block_Release( p_audio_buf );
}
return VLC_SUCCESS;
}
/*****************************************************************************
* Fill buffer
*****************************************************************************/
static int FillBuffer( int16_t *p_data, int *pi_data,
date_t *pi_date, date_t *pi_date_end,
goom_thread_t *p_this )
{
int i_samples = 0;
block_t *p_block;
while( *pi_data < 512 )
{
if( !p_this->i_blocks ) return VLC_EGENERIC;
p_block = p_this->pp_blocks[0];
i_samples = __MIN( (unsigned)(512 - *pi_data),
p_block->i_buffer / sizeof(float) / p_this->i_channels );
/* Date management */
if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( pi_date_end ) )
{
date_Set( pi_date_end, p_block->i_pts );
}
p_block->i_pts = VLC_TS_INVALID;
date_Increment( pi_date_end, i_samples );
while( i_samples > 0 )
{
float *p_float = (float *)p_block->p_buffer;
p_data[*pi_data] = FloatToInt16( p_float[0] );
if( p_this->i_channels > 1 )
p_data[512 + *pi_data] = FloatToInt16( p_float[1] );
(*pi_data)++;
p_block->p_buffer += (sizeof(float) * p_this->i_channels);
p_block->i_buffer -= (sizeof(float) * p_this->i_channels);
i_samples--;
}
if( !p_block->i_buffer )
{
block_Release( p_block );
p_this->i_blocks--;
if( p_this->i_blocks )
memmove( p_this->pp_blocks, p_this->pp_blocks + 1,
p_this->i_blocks * sizeof(block_t *) );
}
}
*pi_date = *pi_date_end;
*pi_data = 0;
return VLC_SUCCESS;
}
/**
* Move forwards or backwards all dates in the FIFO.
*/
static void aout_FifoMoveDates( aout_fifo_t *fifo, mtime_t difference )
{
if( date_Get( &fifo->end_date ) == VLC_TS_INVALID )
{
assert( fifo->p_first == NULL );
return;
}
date_Move( &fifo->end_date, difference );
for( block_t *block = fifo->p_first; block != NULL; block = block->p_next )
block->i_pts += difference;
}
static int Control (demux_t *demux, int query, va_list args)
{
demux_sys_t *sys = demux->p_sys;
switch (query)
{
case DEMUX_GET_POSITION:
*va_arg (args, float *) = 0.f;
break;
case DEMUX_GET_LENGTH:
*va_arg (args, int64_t *) = INT64_C(0);
break;
case DEMUX_GET_TIME:
*va_arg (args, int64_t *) = date_Get (&sys->date);
break;
case DEMUX_SET_TIME:
date_Set (&sys->date, va_arg (args, int64_t));
break;
case DEMUX_SET_NEXT_DEMUX_TIME:
{
const mtime_t pts = va_arg (args, int64_t );
if (sys->next_time == VLC_TS_INVALID) /* first invocation? */
{
date_Set (&sys->date, pts);
date_Decrement (&sys->date, 1);
}
sys->next_time = pts;
break;
}
case DEMUX_GET_PTS_DELAY:
{
int64_t *v = va_arg (args, int64_t *);
*v = INT64_C(1000) * var_InheritInteger (demux, "live-caching");
break;
}
case DEMUX_CAN_PAUSE:
case DEMUX_CAN_CONTROL_PACE:
case DEMUX_CAN_SEEK:
*va_arg (args, bool *) = true;
break;
default:
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}