From 038a1243a2cc78373631665790c0e82f65cbcc1a Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Thu, 22 Feb 2007 13:23:38 +0000
Subject: codec_tag settable via VideoTag, and transmit codec_tag in ffm

Originally committed as revision 8071 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffserver.c        | 5 +++++
 libavformat/ffm.c | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/ffserver.c b/ffserver.c
index 394134b..94751e7 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -4146,6 +4146,11 @@ static int parse_ffconfig(const char *filename)
                 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
                 video_enc.flags |= CODEC_FLAG_4MV;
             }
+        } else if (!strcasecmp(cmd, "VideoTag")) {
+            get_arg(arg, sizeof(arg), &p);
+            if ((strlen(arg) == 4) && stream) {
+                video_enc.codec_tag = ff_get_fourcc(arg);
+            }
         } else if (!strcasecmp(cmd, "BitExact")) {
             if (stream) {
                 video_enc.flags |= CODEC_FLAG_BITEXACT;
diff --git a/libavformat/ffm.c b/libavformat/ffm.c
index cc7c6aa..a2970ae 100644
--- a/libavformat/ffm.c
+++ b/libavformat/ffm.c
@@ -201,6 +201,7 @@ static int ffm_write_header(AVFormatContext *s)
             put_be32(pb, codec->nsse_weight);
             put_be32(pb, codec->frame_skip_cmp);
             put_be64(pb, av_dbl2int(codec->rc_buffer_aggressivity));
+            put_be32(pb, codec->codec_tag);
             break;
         case CODEC_TYPE_AUDIO:
             put_be32(pb, codec->sample_rate);
@@ -534,6 +535,7 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
             codec->nsse_weight = get_be32(pb);
             codec->frame_skip_cmp = get_be32(pb);
             codec->rc_buffer_aggressivity = av_int2dbl(get_be64(pb));
+            codec->codec_tag = get_be32(pb);
             break;
         case CODEC_TYPE_AUDIO:
             codec->sample_rate = get_be32(pb);
-- 
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