Support AC-3 in Sega Dreamcast Sofdec files.

Fixes ticket #3184
11 years ago · 4ba90392bc
parent f068aed7b8
commit 4ba90392bc
1 changed files with 7 additions and 1 deletions
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@ -521,7 +521,13 @@ static int mpegps_read_packet(AVFormatContext *s,
        codec_id = AV_CODEC_ID_DVD_NAV;
    } else if (startcode >= 0x1c0 && startcode <= 0x1df) {
        type = AVMEDIA_TYPE_AUDIO;
-        codec_id = m->sofdec > 0 ? AV_CODEC_ID_ADPCM_ADX : AV_CODEC_ID_MP2;
+        if (m->sofdec > 0) {
+            codec_id = AV_CODEC_ID_ADPCM_ADX;
+            // Auto-detect AC-3
+            request_probe = 50;
+        } else {
+            codec_id = AV_CODEC_ID_MP2;
+        }
    } else if (startcode >= 0x80 && startcode <= 0x87) {
        type = AVMEDIA_TYPE_AUDIO;
        codec_id = AV_CODEC_ID_AC3;