From 06b5246c845b4342ad1c5eaad6b2f18004d9223c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Tue, 28 Aug 2012 14:57:26 +0300
Subject: [PATCH] sdp: Include profile-level-id for H264
MIME-Version: 1.0
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This is required for playback with the Stagefright RTSP framework
on Android.

Signed-off-by: Martin Storsjö <martin@martin.st>
---
 libavformat/sdp.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index 2304a68b8c..74133863f9 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -155,8 +155,10 @@ static char *extradata2psets(AVCodecContext *c)
     char *psets, *p;
     const uint8_t *r;
     const char *pset_string = "; sprop-parameter-sets=";
+    const char *profile_string = "; profile-level-id=";
     uint8_t *orig_extradata = NULL;
     int orig_extradata_size = 0;
+    const uint8_t *sps = NULL, *sps_end;
 
     if (c->extradata_size > MAX_EXTRADATA_SIZE) {
         av_log(c, AV_LOG_ERROR, "Too much extradata!\n");
@@ -210,6 +212,10 @@ static char *extradata2psets(AVCodecContext *c)
             *p = ',';
             p++;
         }
+        if (!sps) {
+            sps = r;
+            sps_end = r1;
+        }
         if (av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r) == NULL) {
             av_log(c, AV_LOG_ERROR, "Cannot Base64-encode %td %td!\n", MAX_PSET_SIZE - (p - psets), r1 - r);
             av_free(psets);
@@ -219,6 +225,12 @@ static char *extradata2psets(AVCodecContext *c)
         p += strlen(p);
         r = r1;
     }
+    if (sps && sps_end - sps >= 4) {
+        memcpy(p, profile_string, strlen(profile_string));
+        p += strlen(p);
+        ff_data_to_hex(p, sps + 1, 3, 0);
+        p[6] = '\0';
+    }
     if (orig_extradata) {
         av_free(c->extradata);
         c->extradata      = orig_extradata;