access.c

VLC Player Source Code

    block_FifoRelease( p_sys->p_thread->p_empty_blocks );

    for( i = 0; i < 64; i++ ) /* RTMP_HEADER_STREAM_INDEX_MASK */
    {
        if( p_sys->p_thread->rtmp_headers_recv[i].body != NULL )
        {
            free( p_sys->p_thread->rtmp_headers_recv[i].body->body );
            free( p_sys->p_thread->rtmp_headers_recv[i].body );
        }
    }

    net_Close( p_sys->p_thread->fd );

    var_Destroy( p_access, "rtmp-caching" );

    vlc_UrlClean( &p_sys->p_thread->url );
    free( p_sys->p_thread->psz_application );
    free( p_sys->p_thread->psz_media );

    vlc_object_detach( p_sys->p_thread );
    vlc_object_release( p_sys->p_thread );
    free( p_sys );
}

/*****************************************************************************
 * Read: standard read on a file descriptor.
 *****************************************************************************/
static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
{
    access_sys_t *p_sys = p_access->p_sys;
    rtmp_packet_t *rtmp_packet;
    uint8_t *tmp_buffer;
    ssize_t i_ret;
    size_t i_len_tmp;

    i_len_tmp = 0;

    while( i_len_tmp < i_len )
    {
        if( p_sys->p_thread->result_stop || p_access->info.b_eof || !vlc_object_alive (p_access) )
        {
            p_access->info.b_eof = true;
            return 0;
        }

        if( p_sys->read_packet )
        {
            if( !p_sys->p_thread->metadata_received )
            {
                /* Wait until enough data is received for extracting metadata */
                if( block_FifoCount( p_sys->p_thread->p_fifo_input ) < 10 )
                {
                    msleep(100000);
                    continue;
                }

                p_sys->flv_packet = flv_get_metadata( p_access );

                p_sys->p_thread->metadata_received = 1;
            }
            else
            {
                p_sys->flv_packet = block_FifoGet( p_sys->p_thread->p_fifo_input );
                if( p_sys->flv_packet == NULL )
                    continue; /* Forced wake-up */
            }

            if( p_sys->p_thread->first_media_packet )
            {
                p_sys->flv_packet = flv_insert_header( p_access, p_sys->flv_packet );

                p_sys->p_thread->first_media_packet = 0;
            }
        }
        if( i_len - i_len_tmp >= p_sys->flv_packet->i_buffer )
        {
            p_sys->read_packet = 1;

            memcpy( p_buffer + i_len_tmp, p_sys->flv_packet->p_buffer, p_sys->flv_packet->i_buffer );
            block_FifoPut( p_sys->p_thread->p_empty_blocks, p_sys->flv_packet );

            i_len_tmp += p_sys->flv_packet->i_buffer;
        }
        else
        {
            p_sys->read_packet = 0;

            memcpy( p_buffer + i_len_tmp, p_sys->flv_packet->p_buffer, i_len - i_len_tmp);
            p_sys->flv_packet->i_buffer -= i_len - i_len_tmp;
            memmove( p_sys->flv_packet->p_buffer, p_sys->flv_packet->p_buffer + i_len - i_len_tmp, p_sys->flv_packet->i_buffer );

            i_len_tmp += i_len - i_len_tmp;
        }
    }
    if( i_len_tmp > 0 )
    {
        if( p_sys->p_thread->result_publish )
        {
            /* Send publish onStatus event only once */
            p_sys->p_thread->result_publish = 0;

            rtmp_packet = rtmp_build_publish_start( p_sys->p_thread );

            tmp_buffer = rtmp_encode_packet( p_sys->p_thread, rtmp_packet );

            i_ret = net_Write( p_sys->p_thread, p_sys->p_thread->fd, NULL, tmp_buffer, rtmp_packet->length_encoded );
            if( i_ret != rtmp_packet->length_encoded )
            {
                free( rtmp_packet->body->body );
                free( rtmp_packet->body );
                free( rtmp_packet );
                free( tmp_buffer );
                msg_Err( p_access, "failed send publish start" );
                return -1;
            }
            free( rtmp_packet->body->body );
            free( rtmp_packet->body );
            free( rtmp_packet );
            free( tmp_buffer );
        }

        p_access->info.i_pos += i_len_tmp;

        rtmp_packet = rtmp_build_bytes_read( p_sys->p_thread, p_access->info.i_pos );

        tmp_buffer = rtmp_encode_packet( p_sys->p_thread, rtmp_packet );
 
        i_ret = net_Write( p_sys->p_thread, p_sys->p_thread->fd, NULL, tmp_buffer, rtmp_packet->length_encoded );
        if( i_ret != rtmp_packet->length_encoded )
        {
            free( rtmp_packet->body->body );
            free( rtmp_packet->body );
            free( rtmp_packet );
            free( tmp_buffer );
            msg_Err( p_access, "failed send bytes read" );
            return -1;
        }
        free( rtmp_packet->body->body );
        free( rtmp_packet->body );
        free( rtmp_packet );
        free( tmp_buffer );
    }

    return i_len_tmp;
}

/*****************************************************************************
 * Seek: seek to a specific location in a file
 *****************************************************************************/
static int Seek( access_t *p_access, int64_t i_pos )
{
    VLC_UNUSED( p_access );
    VLC_UNUSED( i_pos );
/*msg_Warn ( p_access, "Seek to %lld", i_pos);
    switch( rtmp_seek( p_access, i_pos ) )
    {
        case -1:
            return VLC_EGENERIC;
        case 0:
            break;
        default:
            msg_Err( p_access, "You should not be here" );
            abort();
    }
*/
    return VLC_EGENERIC;
}

/*****************************************************************************
 * Control:
 *****************************************************************************/
static int Control( access_t *p_access, int i_query, va_list args )
{
    bool    *pb_bool;
    int     *pi_int;
    int64_t *pi_64;

    switch( i_query )
    {
        /* */
        case ACCESS_CAN_SEEK:
        case ACCESS_CAN_FASTSEEK:
            pb_bool = (bool*) va_arg( args, bool* );
            *pb_bool = false; /* TODO */
            break;

        case ACCESS_CAN_PAUSE:
            pb_bool = (bool*) va_arg( args, bool* );
            *pb_bool = false; /* TODO */
            break;

        case ACCESS_CAN_CONTROL_PACE:
            pb_bool = (bool*) va_arg( args, bool* );
            *pb_bool = true;
            break;

        /* */
        case ACCESS_GET_MTU:
            pi_int = (int*) va_arg( args, int * );
            *pi_int = 0;
            break;

        case ACCESS_GET_PTS_DELAY:
            pi_64 = (int64_t*) va_arg( args, int64_t * );
            *pi_64 = var_GetInteger( p_access, "rtmp-caching" ) * INT64_C(1000);
            break;

        /* */
        case ACCESS_SET_PAUSE_STATE:
            /* Nothing to do */
            break;

        case ACCESS_GET_TITLE_INFO:
        case ACCESS_SET_TITLE:
        case ACCESS_SET_SEEKPOINT:
        case ACCESS_SET_PRIVATE_ID_STATE:
        case ACCESS_GET_META:
        case ACCESS_GET_CONTENT_TYPE: /* DOWN: comment this line */
            return VLC_EGENERIC;

        default:
            msg_Warn( p_access, "unimplemented query in control" );
            return VLC_EGENERIC;
    }

    return VLC_SUCCESS;
}

/*****************************************************************************
 * ThreadControl: manage control messages and pipe media to Read
 *****************************************************************************/
static void* ThreadControl( vlc_object_t *p_this )
{
    rtmp_control_thread_t *p_thread = (rtmp_control_thread_t *) p_this;
    rtmp_packet_t *rtmp_packet;

    rtmp_init_handler( p_thread->rtmp_handler );

    while( vlc_object_alive (p_thread) )
    {
        rtmp_packet = rtmp_read_net_packet( p_thread );
        if( rtmp_packet != NULL )
        {
            if( rtmp_packet->content_type < 0x01 /* RTMP_CONTENT_TYPE_CHUNK_SIZE */
                || rtmp_packet->content_type > 0x14 ) /* RTMP_CONTENT_TYPE_INVOKE */
            {
                free( rtmp_packet->body->body );
                free( rtmp_packet->body );
                free( rtmp_packet );

                msg_Warn( p_thread, "unknown content type received" );
            }
            else
                p_thread->rtmp_handler[rtmp_packet->content_type]( p_thread, rtmp_packet );
        }
        else
        {
            /* Sometimes server close connection too soon */
            if( p_thread->result_connect )
            {
                vlc_mutex_lock( &p_thread->lock );
                vlc_cond_signal( &p_thread->wait );
                vlc_mutex_unlock( &p_thread->lock );
            }

            p_thread->b_die = 1;
            ((access_t *) p_thread->p_base_object)->info.b_eof = true;

            block_FifoWake( p_thread->p_fifo_input );
        }
    }
    return NULL;
}