From 0a267bc5e20a8e7b1b79a501eed99c284ee00b4c Mon Sep 17 00:00:00 2001
From: Nicolas George <george@nsup.org>
Date: Tue, 31 Aug 2021 14:30:28 +0200
Subject: lavf/concatdec: add stream_codec directive

---
 libavformat/concatdec.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'libavformat')

diff --git a/libavformat/concatdec.c b/libavformat/concatdec.c
index 6e91fd1826..a0d68d51cc 100644
--- a/libavformat/concatdec.c
+++ b/libavformat/concatdec.c
@@ -431,6 +431,7 @@ typedef enum ParseDirective {
    DIR_STREAM,
    DIR_EXSID,
    DIR_STMETA,
+   DIR_STCODEC,
 } ParseDirective;
 
 static const ParseSyntax syntax[] = {
@@ -445,6 +446,7 @@ static const ParseSyntax syntax[] = {
     [DIR_STREAM   ] = { "stream",               "",     0 },
     [DIR_EXSID    ] = { "exact_stream_id",      "i",    NEEDS_STREAM },
     [DIR_STMETA   ] = { "stream_meta",          "ks",   NEEDS_STREAM },
+    [DIR_STCODEC  ] = { "stream_codec",         "k",    NEEDS_STREAM },
 };
 
 static int concat_parse_script(AVFormatContext *avf)
@@ -596,6 +598,17 @@ static int concat_parse_script(AVFormatContext *avf)
                 FAIL(ret);
             break;
 
+        case DIR_STCODEC: {
+            const AVCodecDescriptor *codec = avcodec_descriptor_get_by_name(arg_kw[0]);
+            if (!codec) {
+                av_log(avf, AV_LOG_ERROR, "Line %d: codec '%s' not found\n", line, arg_kw[0]);
+                FAIL(AVERROR_DECODER_NOT_FOUND);
+            }
+            stream->codecpar->codec_type = codec->type;
+            stream->codecpar->codec_id = codec->id;
+            break;
+        }
+
         default:
             FAIL(AVERROR_BUG);
         }
-- 
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