Merge commit 'ddf5fb71ee9c8b2d9a23c0f661a84896cd7050fc'

* commit 'ddf5fb71ee9c8b2d9a23c0f661a84896cd7050fc':
  rtpenc: HEVC/H.265 support

Conflicts:
	Changelog
	libavformat/rtpenc.c
	libavformat/rtpenc_hevc.c
	libavformat/version.h

See: 6821a5a4ad
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/rtpenc.c

@@ -202,9 +202,11 @@ static int rtp_write_header(AVFormatContext *s1)
         }
         break;
     case AV_CODEC_ID_HEVC:
-        if (st->codec->extradata_size > 21 &&
-            (st->codec->extradata[0] || st->codec->extradata[1] ||
-             st->codec->extradata[2] > 1)) {
+        /* Only check for the standardized hvcC version of extradata, keeping
+         * things simple and similar to the avcC/H264 case above, instead
+         * of trying to handle the pre-standardization versions (as in
+         * libavcodec/hevc.c). */
+        if (st->codec->extradata_size > 21 && st->codec->extradata[0] == 1) {
             s->nal_length_size = (st->codec->extradata[21] & 0x03) + 1;
         }
         break;

libavformat/rtpenc_hevc.c

@@ -19,29 +19,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "avformat.h"
 #include "avc.h"
+#include "avformat.h"
 #include "rtpenc.h"
 
 #define RTP_HEVC_HEADERS_SIZE 3
 
-static const uint8_t *avc_mp4_find_startcode(const uint8_t *start, const uint8_t *end, int nal_length_size)
-{
-    unsigned int res = 0;
-
-    /* is the given data big enough for 1 NAL unit? */
-    if (end - start < nal_length_size)
-        return NULL;
-
-    while (nal_length_size--)
-        res = (res << 8) | *start++;
-
-    if (res > end - start)
-        return NULL;
-
-    return start + res;
-}
-
 static void nal_send(AVFormatContext *ctx, const uint8_t *buf, int len, int last_packet_of_frame)
 {
     RTPMuxContext *rtp_ctx = ctx->priv_data;
@@ -90,7 +73,7 @@ static void nal_send(AVFormatContext *ctx, const uint8_t *buf, int len, int last
         buf += 2;
         len -= 2;
 
-        while (len + RTP_HEVC_HEADERS_SIZE > rtp_ctx->max_payload_size) {
+        while (len > rtp_payload_size) {
             /* complete and send current RTP packet */
             memcpy(&rtp_ctx->buf[RTP_HEVC_HEADERS_SIZE], buf, rtp_payload_size);
             ff_rtp_send_data(ctx, rtp_ctx->buf, rtp_ctx->max_payload_size, 0);
@@ -121,20 +104,21 @@ void ff_rtp_send_hevc(AVFormatContext *ctx, const uint8_t *frame_buf, int frame_
     rtp_ctx->timestamp = rtp_ctx->cur_timestamp;
 
     if (rtp_ctx->nal_length_size)
-        buf_ptr = avc_mp4_find_startcode(frame_buf, buf_end, rtp_ctx->nal_length_size) ? frame_buf : buf_end;
+        buf_ptr = ff_avc_mp4_find_startcode(frame_buf, buf_end, rtp_ctx->nal_length_size) ? frame_buf : buf_end;
     else
         buf_ptr = ff_avc_find_startcode(frame_buf, buf_end);
 
     /* find all NAL units and send them as separate packets */
     while (buf_ptr < buf_end) {
         if (rtp_ctx->nal_length_size) {
-            next_NAL_unit = avc_mp4_find_startcode(buf_ptr, buf_end, rtp_ctx->nal_length_size);
+            next_NAL_unit = ff_avc_mp4_find_startcode(buf_ptr, buf_end, rtp_ctx->nal_length_size);
             if (!next_NAL_unit)
                 next_NAL_unit = buf_end;
 
             buf_ptr += rtp_ctx->nal_length_size;
         } else {
-            while (!*(buf_ptr++)) ;
+            while (!*(buf_ptr++))
+                ;
             next_NAL_unit = ff_avc_find_startcode(buf_ptr, buf_end);
         }
         /* send the next NAL unit */

libavformat/sdp.c

@@ -428,6 +428,12 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c,
                                     payload_type,
                                     payload_type, c->width, c->height);
             break;
+        case AV_CODEC_ID_HEVC:
+            if (c->extradata_size)
+                av_log(NULL, AV_LOG_WARNING, "HEVC extradata not currently "
+                                             "passed properly through SDP\n");
+            av_strlcatf(buff, size, "a=rtpmap:%d H265/90000\r\n", payload_type);
+            break;
         case AV_CODEC_ID_MPEG4:
             if (c->extradata_size) {
                 config = extradata2config(c);

libavformat/version.h

@@ -30,8 +30,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVFORMAT_VERSION_MAJOR 56
-#define LIBAVFORMAT_VERSION_MINOR  4
-#define LIBAVFORMAT_VERSION_MICRO 103
+#define LIBAVFORMAT_VERSION_MINOR  5
+#define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \