/*****************************************************************************
* NewUDPPacket: allocate a new UDP packet of size p_sys->i_mtu
*****************************************************************************/
static block_t *NewUDPPacket( sout_access_out_t *p_access, mtime_t i_dts)
{
sout_access_out_sys_t *p_sys = p_access->p_sys;
block_t *p_buffer;
while ( block_FifoCount( p_sys->p_empty_blocks ) > MAX_EMPTY_BLOCKS )
{
p_buffer = block_FifoGet( p_sys->p_empty_blocks );
block_Release( p_buffer );
}
if( block_FifoCount( p_sys->p_empty_blocks ) == 0 )
{
p_buffer = block_Alloc( p_sys->i_mtu );
}
else
{
p_buffer = block_FifoGet(p_sys->p_empty_blocks );
p_buffer->i_flags = 0;
p_buffer = block_Realloc( p_buffer, 0, p_sys->i_mtu );
}
p_buffer->i_dts = i_dts;
p_buffer->i_buffer = 0;
return p_buffer;
}
/*****************************************************************************
* sout_MuxGetStream: find stream to be muxed
*****************************************************************************/
int sout_MuxGetStream( sout_mux_t *p_mux, unsigned i_blocks, mtime_t *pi_dts )
{
mtime_t i_dts = 0;
int i_stream = -1;
assert( i_blocks > 0 );
for( int i = 0; i < p_mux->i_nb_inputs; i++ )
{
sout_input_t *p_input = p_mux->pp_inputs[i];
block_t *p_data;
if( block_FifoCount( p_input->p_fifo ) < i_blocks )
{
if( (!p_mux->b_add_stream_any_time) &&
(p_input->p_fmt->i_cat != SPU_ES ) )
{
return -1;
}
/* FIXME: SPU muxing */
continue;
}
p_data = block_FifoShow( p_input->p_fifo );
if( i_stream < 0 || p_data->i_dts < i_dts )
{
i_stream = i;
i_dts = p_data->i_dts;
}
}
if( pi_dts ) *pi_dts = i_dts;
return i_stream;
}
/*****************************************************************************
* sout_MuxDeleteStream:
*****************************************************************************/
void sout_MuxDeleteStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
int i_index;
if( p_mux->b_waiting_stream
&& block_FifoCount( p_input->p_fifo ) > 0 )
{
/* We stop waiting, and call the muxer for taking care of the data
* before we remove this es */
p_mux->b_waiting_stream = false;
p_mux->pf_mux( p_mux );
}
TAB_FIND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input, i_index );
if( i_index >= 0 )
{
p_mux->pf_delstream( p_mux, p_input );
/* remove the entry */
TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
if( p_mux->i_nb_inputs == 0 )
{
msg_Warn( p_mux, "no more input streams for this mux" );
}
block_FifoRelease( p_input->p_fifo );
es_format_Clean( &p_input->fmt );
free( p_input );
}
}
/*****************************************************************************
* Close:
*****************************************************************************/
void CloseVoD( vlc_object_t * p_this )
{
vod_t *p_vod = (vod_t *)p_this;
vod_sys_t *p_sys = p_vod->p_sys;
/* Stop command thread */
vlc_cancel( p_sys->thread );
vlc_join( p_sys->thread, NULL );
while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
{
rtsp_cmd_t cmd;
block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
block_Release( p_block_cmd );
if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
MediaDel(p_vod, cmd.p_media);
free( cmd.psz_arg );
}
block_FifoRelease( p_sys->p_fifo_cmd );
free( p_sys->psz_rtsp_path );
free( p_sys );
}
/* We split/pack PCM blocks to a fixed size: pcm_chunk_size bytes */
static block_t *GetPCM( encoder_t *p_enc, aout_buffer_t *p_block )
{
encoder_sys_t *p_sys = p_enc->p_sys;
block_t *p_pcm_block;
if( !p_block ) goto buffered; /* just return a block if we can */
/* Put the PCM samples sent by VLC in the Fifo */
while( p_sys->i_buffer + p_block->i_buffer >= pcm_chunk_size )
{
unsigned int i_buffer = 0;
p_pcm_block = block_New( p_enc, pcm_chunk_size );
if( !p_pcm_block )
break;
if( p_sys->i_buffer )
{
vlc_memcpy( p_pcm_block->p_buffer, p_sys->p_buffer, p_sys->i_buffer );
i_buffer = p_sys->i_buffer;
p_sys->i_buffer = 0;
free( p_sys->p_buffer );
}
vlc_memcpy( p_pcm_block->p_buffer + i_buffer,
p_block->p_buffer, pcm_chunk_size - i_buffer );
p_block->p_buffer += pcm_chunk_size - i_buffer;
p_block->i_buffer -= pcm_chunk_size - i_buffer;
block_FifoPut( p_sys->p_fifo, p_pcm_block );
}
/* We hadn't enough data to make a block, put it in standby */
if( p_block->i_buffer )
{
uint8_t *p_tmp;
if( p_sys->i_buffer > 0 )
p_tmp = realloc( p_sys->p_buffer, p_block->i_buffer + p_sys->i_buffer );
else
p_tmp = malloc( p_block->i_buffer );
if( !p_tmp )
{
p_sys->i_buffer = 0;
free( p_sys->p_buffer );
p_sys->p_buffer = NULL;
return NULL;
}
p_sys->p_buffer = p_tmp;
vlc_memcpy( p_sys->p_buffer + p_sys->i_buffer,
p_block->p_buffer, p_block->i_buffer );
p_sys->i_buffer += p_block->i_buffer;
p_block->i_buffer = 0;
}
buffered:
/* and finally get a block back */
return block_FifoCount( p_sys->p_fifo ) > 0 ? block_FifoGet( p_sys->p_fifo ) : NULL;
}