示例#1
0
文件: smooth.c 项目: xswm1123/vlc
static chunk_t * gotoNextChunk( stream_sys_t *p_sys )
{
    assert(p_sys->p_current_stream);
    chunk_t *p_prev = p_sys->p_current_stream->p_playback;
    if ( p_prev )
    {
        if ( p_sys->b_live )
        {
            /* Discard chunk and update stream pointers */
            assert( p_sys->p_current_stream->p_chunks ==  p_sys->p_current_stream->p_playback );
            p_sys->p_current_stream->p_playback = p_sys->p_current_stream->p_playback->p_next;
            p_sys->p_current_stream->p_chunks = p_sys->p_current_stream->p_chunks->p_next;
            if ( p_sys->p_current_stream->p_lastchunk == p_prev )
                p_sys->p_current_stream->p_lastchunk = NULL;
            chunk_Free( p_prev );
        }
        else
        {
            /* Just cleanup chunk for reuse on seek */
            p_sys->p_current_stream->p_playback = p_sys->p_current_stream->p_playback->p_next;
            FREENULL(p_prev->data);
            p_prev->read_pos = 0;
            p_prev->offset = CHUNK_OFFSET_UNSET;
            p_prev->size = 0;
        }
    }

    /* Select new current pointer among streams playback heads */
    p_sys->p_current_stream = next_playback_stream( p_sys );
    if ( !p_sys->p_current_stream )
        return NULL;

    return p_sys->p_current_stream->p_playback;
}
void sms_Free( sms_stream_t *sms )
{
    if( sms->qlevels )
    {
        for( int n = 0; n < vlc_array_count( sms->qlevels ); n++ )
        {
            quality_level_t *qlevel = (quality_level_t *)vlc_array_item_at_index( sms->qlevels, n );			// sunqueen modify
            if( qlevel ) ql_Free( qlevel );
        }
        vlc_array_destroy( sms->qlevels );
    }

    if( sms->chunks )
    {
        for( int n = 0; n < vlc_array_count( sms->chunks ); n++ )
        {
            chunk_t *chunk = (chunk_t *)vlc_array_item_at_index( sms->chunks, n );			// sunqueen modify
            if( chunk) chunk_Free( chunk );
        }
        vlc_array_destroy( sms->chunks );
    }

    free( sms->name );
    free( sms->url_template );
    free( sms );
    sms = NULL;
}
示例#3
0
文件: smooth.c 项目: xswm1123/vlc
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 );
}
示例#4
0
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 );
}
示例#5
0
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 );
}
示例#6
0
文件: utils.c 项目: Aakash-729/vlc
void sms_Free( sms_stream_t *sms )
{
    if ( !sms )
        return;
    FOREACH_ARRAY( quality_level_t *qlevel, sms->qlevels );
    if( qlevel )
        ql_Free( qlevel );
    FOREACH_END();
    ARRAY_RESET( sms->qlevels );

    vlc_mutex_lock( &sms->chunks_lock );
    while( sms->p_chunks )
    {
        chunk_t *p_chunk = sms->p_chunks;
        sms->p_chunks = sms->p_chunks->p_next;
        chunk_Free( p_chunk );
    }
    vlc_mutex_unlock( &sms->chunks_lock );

    vlc_mutex_destroy( &sms->chunks_lock );
    free( sms->name );
    free( sms->url_template );
    free( sms );
}
示例#7
0
文件: smooth.c 项目: xswm1123/vlc
static size_t sms_Read( stream_t *s, uint8_t *p_read, size_t i_read )
{
    stream_sys_t *p_sys = s->p_sys;
    size_t 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 ( 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" (%zu 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;
}