#include <vlc_sout.h>
#include <vlc_block.h>
#include <vlc_codecs.h>
+#include <limits.h>
+#include <vlc_rand.h>
+#include "../demux/xiph.h"
#include <ogg/ogg.h>
set_capability( "sout mux", 10 )
set_category( CAT_SOUT )
set_subcategory( SUBCAT_SOUT_MUX )
- add_shortcut( "ogg" )
- add_shortcut( "ogm" )
+ add_shortcut( "ogg", "ogm" )
set_callbacks( Open, Close )
vlc_module_end ()
} oggds_header_t;
-/*
- * TODO move this function to src/stream_output.c (used by nearly all muxers)
- */
-static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
-{
- mtime_t i_dts;
- int i_stream, i;
-
- for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
- {
- block_fifo_t *p_fifo;
-
- p_fifo = p_mux->pp_inputs[i]->p_fifo;
-
- /* We don't really need to have anything in the SPU fifo */
- if( p_mux->pp_inputs[i]->p_fmt->i_cat == SPU_ES &&
- block_FifoCount( p_fifo ) == 0 ) continue;
-
- if( block_FifoCount( p_fifo ) )
- {
- block_t *p_buf;
-
- p_buf = block_FifoShow( p_fifo );
- if( i_stream < 0 || p_buf->i_dts < i_dts )
- {
- i_dts = p_buf->i_dts;
- i_stream = i;
- }
- }
- else return -1;
-
- }
- if( pi_stream ) *pi_stream = i_stream;
- if( pi_dts ) *pi_dts = i_dts;
- return i_stream;
-}
-
/*****************************************************************************
* Definitions of structures and functions used by this plugins
*****************************************************************************/
/* First serial number is random.
* (Done like this because on win32 you need to seed the random number
* generator once per thread). */
- srand( (unsigned int)time( NULL ) );
- p_sys->i_next_serial_no = rand();
+ uint32_t r;
+ vlc_rand_bytes(&r, sizeof(r));
+ p_sys->i_next_serial_no = r & INT_MAX;
return VLC_SUCCESS;
}
if( p_sys->i_del_streams )
{
block_t *p_og = NULL;
- mtime_t i_dts = -1;
- int i;
+ mtime_t i_dts = p_sys->pp_del_streams[p_sys->i_del_streams - 1]->i_dts;
/* Close the current ogg stream */
msg_Dbg( p_mux, "writing footer" );
block_ChainAppend( &p_og, OggCreateFooter( p_mux ) );
/* Remove deleted logical streams */
- for( i = 0; i < p_sys->i_del_streams; i++ )
+ for(int i = 0; i < p_sys->i_del_streams; i++ )
{
- i_dts = p_sys->pp_del_streams[i]->i_dts;
ogg_stream_clear( &p_sys->pp_del_streams[i]->os );
FREENULL( p_sys->pp_del_streams[i]->p_oggds_header );
FREENULL( p_sys->pp_del_streams[i] );
/* move input in delete queue */
if( !p_stream->b_new )
{
- p_sys->pp_del_streams = realloc( p_sys->pp_del_streams,
- (p_sys->i_del_streams + 1) *
- sizeof(ogg_stream_t *) );
+ p_sys->pp_del_streams = xrealloc( p_sys->pp_del_streams,
+ (p_sys->i_del_streams + 1) * sizeof(ogg_stream_t *) );
p_sys->pp_del_streams[p_sys->i_del_streams++] = p_stream;
}
else
block_t *p_hdr = NULL;
block_t *p_og = NULL;
ogg_packet op;
- uint8_t *p_extra;
- int i, i_extra;
+ int i;
/* Write header for each stream. All b_o_s (beginning of stream) packets
* must appear first in the ogg stream so we take care of them first. */
p_stream->i_fourcc == VLC_CODEC_THEORA )
{
/* First packet in order: vorbis/speex/theora info */
- p_extra = p_input->p_fmt->p_extra;
- i_extra = p_input->p_fmt->i_extra;
-
- op.bytes = *(p_extra++) << 8;
- op.bytes |= (*(p_extra++) & 0xFF);
- op.packet = p_extra;
- i_extra -= (op.bytes + 2);
- if( i_extra < 0 )
+ unsigned pi_size[XIPH_MAX_HEADER_COUNT];
+ void *pp_data[XIPH_MAX_HEADER_COUNT];
+ unsigned i_count;
+ if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
+ p_input->p_fmt->i_extra, p_input->p_fmt->p_extra ) )
{
- msg_Err( p_mux, "header data corrupted");
- op.bytes += i_extra;
+ i_count = 0;
+ pi_size[0] = 0;
+ pp_data[0] = NULL;
}
+ op.bytes = pi_size[0];
+ op.packet = pp_data[0];
+ if( pi_size[0] <= 0 )
+ msg_Err( p_mux, "header data corrupted");
+
op.b_o_s = 1;
op.e_o_s = 0;
op.granulepos = 0;
p_stream->i_keyframe_granule_shift =
( (op.packet[40] & 0x03) << 3 ) | ( (op.packet[41] & 0xe0) >> 5 );
}
+
+ for( unsigned i = 0; i < i_count; i++ )
+ free( pp_data[i] );
}
else if( p_stream->i_fourcc == VLC_CODEC_DIRAC )
{
p_stream->i_fourcc == VLC_CODEC_SPEEX ||
p_stream->i_fourcc == VLC_CODEC_THEORA )
{
+ unsigned pi_size[XIPH_MAX_HEADER_COUNT];
+ void *pp_data[XIPH_MAX_HEADER_COUNT];
+ unsigned i_count;
+ if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
+ p_input->p_fmt->i_extra, p_input->p_fmt->p_extra ) )
+ i_count = 0;
+
/* Special case, headers are already there in the incoming stream.
* We need to gather them an mark them as headers. */
- int j = 2;
-
- if( p_stream->i_fourcc == VLC_CODEC_SPEEX ) j = 1;
-
- p_extra = p_input->p_fmt->p_extra;
- i_extra = p_input->p_fmt->i_extra;
-
- /* Skip 1 header */
- op.bytes = *(p_extra++) << 8;
- op.bytes |= (*(p_extra++) & 0xFF);
- op.packet = p_extra;
- p_extra += op.bytes;
- i_extra -= (op.bytes + 2);
-
- while( j-- )
+ for( unsigned i = 1; i < i_count; i++ )
{
- op.bytes = *(p_extra++) << 8;
- op.bytes |= (*(p_extra++) & 0xFF);
- op.packet = p_extra;
- p_extra += op.bytes;
- i_extra -= (op.bytes + 2);
- if( i_extra < 0 )
- {
+ op.bytes = pi_size[i];
+ op.packet = pp_data[i];
+ if( pi_size[i] <= 0 )
msg_Err( p_mux, "header data corrupted");
- op.bytes += i_extra;
- }
op.b_o_s = 0;
op.e_o_s = 0;
op.packetno = p_stream->i_packet_no++;
ogg_stream_packetin( &p_stream->os, &op );
- if( j == 0 )
+ if( i == i_count - 1 )
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
else
p_og = OggStreamPageOut( p_mux, &p_stream->os, 0 );
if( p_og )
block_ChainAppend( &p_hdr, p_og );
}
+ for( unsigned i = 0; i < i_count; i++ )
+ free( pp_data[i] );
}
else if( p_stream->i_fourcc != VLC_CODEC_FLAC &&
p_stream->i_fourcc != VLC_CODEC_DIRAC )
{
sout_mux_sys_t *p_sys = p_mux->p_sys;
block_t *p_og = NULL;
- int i_stream;
mtime_t i_dts;
if( p_sys->i_add_streams || p_sys->i_del_streams )
{
/* Open new ogg stream */
- if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
+ if( sout_MuxGetStream( p_mux, 1, &i_dts) < 0 )
{
msg_Dbg( p_mux, "waiting for data..." );
return VLC_SUCCESS;
for( ;; )
{
- if( MuxGetStream( p_mux, &i_stream, 0 ) < 0 ) return VLC_SUCCESS;
+ int i_stream = sout_MuxGetStream( p_mux, 1, NULL );
+ if( i_stream < 0 )
+ return VLC_SUCCESS;
MuxBlock( p_mux, p_mux->pp_inputs[i_stream] );
}
projects / vlc / blobdiff