static picture_t *ImageReadUrl( image_handler_t *p_image, const char *psz_url,
video_format_t *p_fmt_in,
video_format_t *p_fmt_out )
{
block_t *p_block;
picture_t *p_pic;
stream_t *p_stream = NULL;
uint64_t i_size;
p_stream = vlc_stream_NewMRL( p_image->p_parent, psz_url );
if( !p_stream )
{
msg_Dbg( p_image->p_parent, "could not open %s for reading",
psz_url );
return NULL;
}
if( vlc_stream_GetSize( p_stream, &i_size ) || i_size > SSIZE_MAX )
{
msg_Dbg( p_image->p_parent, "could not read %s", psz_url );
goto error;
}
p_block = vlc_stream_Block( p_stream, i_size );
if( p_block == NULL )
goto error;
if( !p_fmt_in->i_chroma )
{
char *psz_mime = stream_ContentType( p_stream );
if( psz_mime != NULL )
{
p_fmt_in->i_chroma = image_Mime2Fourcc( psz_mime );
free( psz_mime );
}
}
vlc_stream_Delete( p_stream );
if( !p_fmt_in->i_chroma )
{
/* Try to guess format from file name */
p_fmt_in->i_chroma = image_Ext2Fourcc( psz_url );
}
p_pic = ImageRead( p_image, p_block, p_fmt_in, p_fmt_out );
return p_pic;
error:
vlc_stream_Delete( p_stream );
return NULL;
}
/**
* Checks stream Content-Type against a known one
*/
bool CheckContentType( stream_t * p_stream, const char * psz_ctype )
{
char *psz_check = stream_ContentType( p_stream );
if( !psz_check ) return false;
int i_len = strlen( psz_check );
if ( i_len == 0 )
{
free( psz_check );
return false;
}
/* check for Content-Type: foo-type; charset=... */
const char * psz_sep = strchr( psz_check, ';' );
if ( psz_sep )
i_len = __MIN( i_len, psz_sep - psz_check );
int i_res = strncasecmp( psz_check, psz_ctype, i_len );
free( psz_check );
return ( i_res == 0 ) ? true : false;
}
/*****************************************************************************
* Open: check file and initializes structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
demux_t *p_demux = (demux_t*)p_this;
int i_size;
bool b_matched = false;
if( IsMxpeg( p_demux->s ) && !p_demux->b_force )
// let avformat handle this case
return VLC_EGENERIC;
demux_sys_t *p_sys = (demux_sys_t *)malloc( sizeof( demux_sys_t ) ); // sunqueen modify
if( unlikely(p_sys == NULL) )
return VLC_ENOMEM;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys;
p_sys->p_es = NULL;
p_sys->i_time = VLC_TS_0;
p_sys->i_level = 0;
p_sys->psz_separator = NULL;
p_sys->i_frame_size_estimate = 15 * 1024;
char *content_type = stream_ContentType( p_demux->s );
if ( content_type )
{
//FIXME: this is not fully match to RFC
char* boundary = strstr( content_type, "boundary=" );
if( boundary )
{
boundary += strlen( "boundary=" );
size_t len = strlen( boundary );
if( len > 2 && boundary[0] == '"'
&& boundary[len-1] == '"' )
{
boundary[len-1] = '\0';
boundary++;
}
p_sys->psz_separator = strdup( boundary );
if( !p_sys->psz_separator )
{
free( content_type );
goto error;
}
}
free( content_type );
}
b_matched = CheckMimeHeader( p_demux, &i_size);
if( b_matched )
{
p_demux->pf_demux = MimeDemux;
stream_Read( p_demux->s, NULL, i_size );
}
else if( i_size == 0 )
{
/* 0xffd8 identify a JPEG SOI */
if( p_sys->p_peek[0] == 0xFF && p_sys->p_peek[1] == 0xD8 )
{
msg_Dbg( p_demux, "JPEG SOI marker detected" );
p_demux->pf_demux = MjpgDemux;
p_sys->i_level++;
}
else
{
goto error;
}
}
else
{
goto error;
}
/* Frame rate */
float f_fps = var_InheritFloat( p_demux, "mjpeg-fps" );
p_sys->i_still_end = 0;
if( demux_IsPathExtension( p_demux, ".jpeg" ) ||
demux_IsPathExtension( p_demux, ".jpg" ) )
{
/* Plain JPEG file = single still picture */
p_sys->b_still = true;
if( f_fps == 0.f )
/* Defaults to 1fps */
f_fps = 1.f;
}
else
p_sys->b_still = false;
p_sys->i_frame_length = f_fps ? (CLOCK_FREQ / f_fps) : 0;
es_format_Init( &p_sys->fmt, VIDEO_ES, 0 );
p_sys->fmt.i_codec = VLC_CODEC_MJPG;
p_sys->p_es = es_out_Add( p_demux->out, &p_sys->fmt );
return VLC_SUCCESS;
error:
free( p_sys->psz_separator );
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* Open: initializes ES structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
const uint8_t *p_peek;
uint8_t *p_streaminfo;
int i_streaminfo;
es_format_t fmt;
/* Have a peep at the show. */
if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
if( p_peek[0]!='f' || p_peek[1]!='L' || p_peek[2]!='a' || p_peek[3]!='C' )
{
if( !p_demux->b_force )
{
char *psz_mime = stream_ContentType( p_demux->s );
if ( !psz_mime || strcmp( psz_mime, "audio/flac" ) )
{
free( psz_mime );
return VLC_EGENERIC;
}
free( psz_mime );
}
/* User forced */
msg_Err( p_demux, "this doesn't look like a flac stream, "
"continuing anyway" );
}
p_sys = malloc( sizeof( demux_sys_t ) );
if( unlikely(p_sys == NULL) )
return VLC_ENOMEM;
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys;
p_sys->b_start = true;
p_sys->p_meta = NULL;
p_sys->i_length = 0;
p_sys->i_pts = 0;
p_sys->p_es = NULL;
TAB_INIT( p_sys->i_seekpoint, p_sys->seekpoint );
TAB_INIT( p_sys->i_attachments, p_sys->attachments);
p_sys->i_cover_idx = 0;
p_sys->i_cover_score = 0;
/* We need to read and store the STREAMINFO metadata */
if( ReadMeta( p_demux, &p_streaminfo, &i_streaminfo ) )
{
free( p_sys );
return VLC_EGENERIC;
}
/* Load the FLAC packetizer */
/* Store STREAMINFO for the decoder and packetizer */
es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_FLAC );
fmt.i_extra = i_streaminfo;
fmt.p_extra = p_streaminfo;
p_sys->p_packetizer = demux_PacketizerNew( p_demux, &fmt, "flac" );
if( !p_sys->p_packetizer )
{
free( p_sys );
return VLC_EGENERIC;
}
if( p_sys->i_cover_idx < p_sys->i_attachments )
{
char psz_url[128];
if( !p_sys->p_meta )
p_sys->p_meta = vlc_meta_New();
snprintf( psz_url, sizeof(psz_url), "attachment://%s",
p_sys->attachments[p_sys->i_cover_idx]->psz_name );
vlc_meta_Set( p_sys->p_meta, vlc_meta_ArtworkURL, psz_url );
}
return VLC_SUCCESS;
}
