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authorJuan Carlos Rodriguez <ing.juancarlosrodriguez@hotmail.com>2011-05-18 15:00:03 +0300
committerMartin Storsjö <martin@martin.st>2011-06-10 10:49:20 +0300
commit0832122880fa50e66dfd62eb6aa5c814f83f68d9 (patch)
treed6584051af4edd2d15edd1c99a0524abc5aa67a3 /libavformat/rtpenc.c
parentcb7c11cc9e7e05c819fff487a3f486f11ab4b860 (diff)
rtpenc: MP4A-LATM payload support
This is enabled with an AVOption on the RTP muxer. The SDP generator looks for a latm flag in the rtpflags field. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/rtpenc.c')
-rw-r--r--libavformat/rtpenc.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index 7cedff382e..c264b30a07 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -23,11 +23,25 @@
#include "mpegts.h"
#include "internal.h"
#include "libavutil/random_seed.h"
+#include "libavutil/opt.h"
#include "rtpenc.h"
//#define DEBUG
+static const AVOption options[] = {
+ { "rtpflags", "RTP muxer flags", offsetof(RTPMuxContext, flags), FF_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" },
+ { "latm", "Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC", 0, FF_OPT_TYPE_CONST, {.dbl = FF_RTP_FLAG_MP4A_LATM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" },
+ { NULL },
+};
+
+static const AVClass rtp_muxer_class = {
+ .class_name = "RTP muxer",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
#define RTCP_SR_SIZE 28
static int is_supported(enum CodecID id)
@@ -404,7 +418,10 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
ff_rtp_send_mpegvideo(s1, pkt->data, size);
break;
case CODEC_ID_AAC:
- ff_rtp_send_aac(s1, pkt->data, size);
+ if (s->flags & FF_RTP_FLAG_MP4A_LATM)
+ ff_rtp_send_latm(s1, pkt->data, size);
+ else
+ ff_rtp_send_aac(s1, pkt->data, size);
break;
case CODEC_ID_AMR_NB:
case CODEC_ID_AMR_WB:
@@ -455,4 +472,5 @@ AVOutputFormat ff_rtp_muxer = {
rtp_write_header,
rtp_write_packet,
rtp_write_trailer,
+ .priv_class = &rtp_muxer_class,
};