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Commit 9b38b9ae authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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Apply RFC3016 RTP packetizer patch from Alex Antropoff 

The new format is disabled by default,
so we have little risks of regression.
parent 3c0e006d
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THANKS
View file @ 9b38b9ae
......@@ -8,6 +8,7 @@ Michel Lespinasse <walken at zoy.org> - AC3 decoder, MPEG audio and video decode
The VideoLAN team would like to thank the following contributors:
Alex Antropoff <alant at transtelecom dot md> - RFC3016 (LATM) RTP packetizer extension
Alexander Didebulidze <alexander.didebulidze at stusta dot mhn dot de> - Georgian localization
Alexander Gall <gall at switch dot ch> - Solaris fixes and CDDB fixes
Alex Izvorski <aizvorski at gmail dot com> - some more x264 options
......
modules/stream_out/rtp.c
View file @ 9b38b9ae
......@@ -83,6 +83,10 @@
#define TTL_LONGTEXT N_( \
"Allows you to specify the Time-To-Live for the output stream." )
#define RFC3016_TEXT N_("RFC3016(LATM)")
#define RFC3016_LONGTEXT N_( \
"Allows you to specify using RFC3016 for MPEG4 audio streaming." )
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
......@@ -122,6 +126,9 @@ vlc_module_begin();
add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
TTL_LONGTEXT, VLC_TRUE );
add_bool( SOUT_CFG_PREFIX "rfc3016", 0, NULL, RFC3016_TEXT,
RFC3016_LONGTEXT, VLC_TRUE );
set_callbacks( Open, Close );
vlc_module_end();
......@@ -130,7 +137,7 @@ vlc_module_end();
*****************************************************************************/
static const char *ppsz_sout_options[] = {
"dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
"description", "url","email", NULL
"description", "url","email", "rfc3016", NULL
};
static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
......@@ -188,6 +195,7 @@ struct sout_stream_sys_t
int i_port_audio;
int i_port_video;
int i_ttl;
vlc_bool_t b_rfc3016;
/* when need to use a private one or when using muxer */
int i_payload_type;
......@@ -317,7 +325,7 @@ static int Open( vlc_object_t *p_this )
else
p_sys->psz_session_name = strdup( "NONE" );
}
for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
{
if( !strcmp( p_cfg->psz_name, "sdp" ) )
......@@ -375,6 +383,10 @@ static int Open( vlc_object_t *p_this )
}
p_sys->i_ttl = val.i_int;
var_Get( p_stream, SOUT_CFG_PREFIX "rfc3016", &val );
p_sys->b_rfc3016 = val.b_bool;
p_sys->i_payload_type = 96;
p_sys->i_es = 0;
p_sys->es = NULL;
......@@ -884,6 +896,7 @@ static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * )
static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
......@@ -1070,19 +1083,50 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
}
case VLC_FOURCC( 'm', 'p', '4', 'a' ):
{
char hexa[2*p_fmt->i_extra +1];
id->i_payload_type = p_sys->i_payload_type++;
id->i_clock_rate = p_fmt->audio.i_rate;
id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
id->pf_packetize = rtp_packetize_mp4a;
id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
sprintf( id->psz_fmtp,
"streamtype=5; profile-level-id=15; mode=AAC-hbr; "
"config=%s; SizeLength=13;IndexLength=3; "
"IndexDeltaLength=3; Profile=1;", hexa );
if(!p_sys->b_rfc3016)
{
char hexa[2*p_fmt->i_extra +1];
id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
id->pf_packetize = rtp_packetize_mp4a;
id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
sprintf( id->psz_fmtp,
"streamtype=5; profile-level-id=15; mode=AAC-hbr; "
"config=%s; SizeLength=13;IndexLength=3; "
"IndexDeltaLength=3; Profile=1;", hexa );
}
else
{
char hexa[13];
int i;
unsigned char config[6];
unsigned int aacsrates[15] = {
96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
16000, 12000, 11025, 8000, 7350, 0, 0 };
for( i = 0; i < 15; i++ )
if( p_fmt->audio.i_rate == aacsrates[i] )
break;
config[0]=0x40;
config[1]=0;
config[2]=0x20|i;
config[3]=p_fmt->audio.i_channels<<4;
config[4]=0x3f;
config[5]=0xc0;
asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
p_fmt->audio.i_rate, p_fmt->audio.i_channels );
id->pf_packetize = rtp_packetize_mp4a_latm;
sprintf_hexa( hexa, config, 6 );
asprintf( &id->psz_fmtp, "profile-level-id=15; "
"object=2; cpresent=0; config=%s", hexa );
}
break;
}
case VLC_FOURCC( 's', 'a', 'm', 'r' ):
......@@ -1972,6 +2016,7 @@ static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
return VLC_SUCCESS;
}
static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in )
{
......@@ -2042,6 +2087,59 @@ static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
return VLC_SUCCESS;
}
static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in )
{
int i_max = id->i_mtu - 14; /* payload max in one packet */
int latmhdrsize = in->i_buffer/0xff + 1;
int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
uint8_t *p_data = in->p_buffer, *pheader;
int i_data = in->i_buffer;
int i;
for( i = 0; i < i_count; i++ )
{
int i_payload = __MIN( i_max, i_data );
block_t *out;
if( i != 0 )
latmhdrsize = 0;
out = block_New( p_stream, 12 + latmhdrsize + i_payload );
/* rtp common header */
rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
(in->i_pts > 0 ? in->i_pts : in->i_dts) );
if( i == 0 )
{
int tmp = in->i_buffer;
pheader=out->p_buffer+12;
while( tmp > 0xfe )
{
*pheader = 0xff;
pheader++;
tmp -= 0xff;
}
*pheader = tmp;
}
memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
out->i_buffer = 12 + latmhdrsize + i_payload;
out->i_dts = in->i_dts + i * in->i_length / i_count;
out->i_length = in->i_length / i_count;
rtp_packetize_send( id, out );
p_data += i_payload;
i_data -= i_payload;
}
return VLC_SUCCESS;
}
static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in )
{
......
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