Luca Abeni <[EMAIL PROTECTED]> added the comment:
And here is the patch for supporting the H.264 payload in the RTP muxer
______________________________________________________
FFmpeg issue tracker <[EMAIL PROTECTED]>
<https://roundup.mplayerhq.hu/roundup/ffmpeg/issue306>
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Index: ffmpeg/libavformat/rtp_h264.c
===================================================================
--- ffmpeg.orig/libavformat/rtp_h264.c 2007-11-16 13:04:07.000000000 +0100
+++ ffmpeg/libavformat/rtp_h264.c 2007-11-16 13:58:27.000000000 +0100
@@ -433,6 +433,55 @@
return NULL;
}
+static void nal_send(AVFormatContext *s1, const uint8_t *buf, int size, int last)
+{
+ RTPDemuxContext *s = s1->priv_data;
+
+// av_log(s1, AV_LOG_INFO, "Sending NAL %x of len %d M=%d\n", buf[0] & 0x1F, size, last);
+ if (size <= s->max_payload_size) {
+ ff_rtp_send_data(s1, buf, size, last);
+ } else {
+ uint8_t type = buf[0] & 0x1F;
+ uint8_t nri = buf[0] & 0x60;
+
+// av_log(s1, AV_LOG_INFO, "NAL size %d > %d\n", size, s->max_payload_size);
+ s->buf[0] = 28; /* FU Indicator; Type = 28 ---> FU-A */
+ s->buf[0] |= nri;
+ s->buf[1] = type;
+ s->buf[1] |= 1 << 7;
+ buf += 1;
+ size -= 1;
+ while (size + 2 > s->max_payload_size) {
+ memcpy(&s->buf[2], buf, s->max_payload_size - 2);
+ ff_rtp_send_data(s1, s->buf, s->max_payload_size, 0);
+ buf += s->max_payload_size - 2;
+ size -= s->max_payload_size - 2;
+ s->buf[1] &= ~(1 << 7);
+ }
+ s->buf[1] |= 1 << 6;
+ memcpy(&s->buf[2], buf, size);
+ ff_rtp_send_data(s1, s->buf, size + 2, 1);
+ }
+}
+
+void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size)
+{
+ const uint8_t *r;
+ RTPDemuxContext *s = s1->priv_data;
+
+ s->timestamp = s->cur_timestamp;
+ r = buf1;
+ while (r) {
+ int nal_size = size - (r - buf1);
+
+ r = ff_nal_get(r, &nal_size);
+ if (r) {
+ nal_send(s1, r, nal_size, (r + nal_size == buf1 + size));
+ r += nal_size;
+ }
+ }
+}
+
/**
This is the structure for expanding on the dynamic rtp protocols (makes everything static. yay!)
*/
Index: ffmpeg/libavformat/rtp.c
===================================================================
--- ffmpeg.orig/libavformat/rtp.c 2007-11-16 12:44:19.000000000 +0100
+++ ffmpeg/libavformat/rtp.c 2007-11-16 13:58:51.000000000 +0100
@@ -1048,6 +1048,9 @@
case CODEC_ID_MPEG2TS:
rtp_send_mpegts_raw(s1, buf1, size);
break;
+ case CODEC_ID_H264:
+ ff_rtp_send_h264(s1, buf1, size);
+ break;
default:
/* better than nothing : send the codec raw data */
rtp_send_raw(s1, buf1, size);
Index: ffmpeg/libavformat/rtp_h264.h
===================================================================
--- ffmpeg.orig/libavformat/rtp_h264.h 2007-11-16 12:54:40.000000000 +0100
+++ ffmpeg/libavformat/rtp_h264.h 2007-11-16 13:11:06.000000000 +0100
@@ -26,5 +26,6 @@
extern RTPDynamicProtocolHandler ff_h264_dynamic_handler;
const uint8_t *ff_nal_get(const uint8_t *buf, int *size);
+void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size);
#endif /* FFMPEG_RTP_H264_H */
