static void SysCleanup( stream_sys_t *p_sys )
{
if ( p_sys->sms.i_size )
{
FOREACH_ARRAY( sms_stream_t *sms, p_sys->sms );
sms_Free( sms );
FOREACH_END();
ARRAY_RESET( p_sys->sms );
}
ARRAY_RESET( p_sys->sms_selected );
if ( p_sys->playback.init.p_datachunk )
chunk_Free( p_sys->playback.init.p_datachunk );
free( p_sys->download.base_url );
}
static void Close( vlc_object_t *p_this )
{
stream_t *s = (stream_t*)p_this;
stream_sys_t *p_sys = s->p_sys;
vlc_mutex_lock( &p_sys->download.lock_wait );
p_sys->b_close = true;
/* Negate the condition variable's predicate */
for( int i = 0; i < 3; i++ )
p_sys->download.lead[i] = 0;
p_sys->playback.toffset = 0;
vlc_cond_signal(&p_sys->download.wait);
vlc_mutex_unlock( &p_sys->download.lock_wait );
vlc_join( p_sys->thread, NULL );
vlc_mutex_destroy( &p_sys->download.lock_wait );
vlc_cond_destroy( &p_sys->download.wait );
/* Free sms streams */
sms_stream_t *sms;
for( int i = 0; i < vlc_array_count( p_sys->sms_streams ); i++ )
{
sms = vlc_array_item_at_index( p_sys->sms_streams, i );
if( sms )
sms_Free( sms );
}
/* Free downloaded chunks */
chunk_t *chunk;
for( int i = 0; i < vlc_array_count( p_sys->init_chunks ); i++ )
{
chunk = vlc_array_item_at_index( p_sys->init_chunks, i );
chunk_Free( chunk );
}
sms_queue_free( p_sys->bws );
vlc_array_destroy( p_sys->sms_streams );
vlc_array_destroy( p_sys->selected_st );
vlc_array_destroy( p_sys->download.chunks );
vlc_array_destroy( p_sys->init_chunks );
free( p_sys->base_url );
free( p_sys );
}
static void SysCleanup( stream_sys_t *p_sys )
{
if ( p_sys->sms_streams )
{
for ( int i=0; i< p_sys->sms_streams->i_count ; i++ )
sms_Free( p_sys->sms_streams->pp_elems[i] );
vlc_array_destroy( p_sys->sms_streams );
}
vlc_array_destroy( p_sys->selected_st );
vlc_array_destroy( p_sys->download.chunks );
if ( p_sys->init_chunks )
{
for ( int i=0; i< p_sys->init_chunks->i_count ; i++ )
chunk_Free( p_sys->init_chunks->pp_elems[i] );
vlc_array_destroy( p_sys->init_chunks );
}
sms_queue_free( p_sys->bws );
free( p_sys->base_url );
}
static int parse_Manifest( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
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_reader = xml_ReaderCreate( st, st );
if( !vlc_reader )
{
msg_Err( s, "Failed to open source for parsing" );
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 );
return ret;
}