[FFmpeg-devel] [PATCH 1/2] avformat/mov: factorize setting little endian PCM streams
Marton Balint
cus at passwd.hu
Mon Jun 20 00:53:39 EEST 2022
Signed-off-by: Marton Balint <cus at passwd.hu>
---
libavformat/mov.c | 51 +++++++++++++++++++++++++----------------------
1 file changed, 27 insertions(+), 24 deletions(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 3ec0ea2361..0660a51492 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1544,35 +1544,38 @@ static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return 0;
}
-static int mov_read_enda(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+static void set_last_stream_little_endian(AVFormatContext *fc)
{
AVStream *st;
- int little_endian;
- if (c->fc->nb_streams < 1)
- return 0;
- st = c->fc->streams[c->fc->nb_streams-1];
+ if (fc->nb_streams < 1)
+ return;
+ st = fc->streams[fc->nb_streams-1];
- little_endian = avio_rb16(pb) & 0xFF;
- av_log(c->fc, AV_LOG_TRACE, "enda %d\n", little_endian);
- if (little_endian == 1) {
- switch (st->codecpar->codec_id) {
- case AV_CODEC_ID_PCM_S24BE:
- st->codecpar->codec_id = AV_CODEC_ID_PCM_S24LE;
- break;
- case AV_CODEC_ID_PCM_S32BE:
- st->codecpar->codec_id = AV_CODEC_ID_PCM_S32LE;
- break;
- case AV_CODEC_ID_PCM_F32BE:
- st->codecpar->codec_id = AV_CODEC_ID_PCM_F32LE;
- break;
- case AV_CODEC_ID_PCM_F64BE:
- st->codecpar->codec_id = AV_CODEC_ID_PCM_F64LE;
- break;
- default:
- break;
- }
+ switch (st->codecpar->codec_id) {
+ case AV_CODEC_ID_PCM_S24BE:
+ st->codecpar->codec_id = AV_CODEC_ID_PCM_S24LE;
+ break;
+ case AV_CODEC_ID_PCM_S32BE:
+ st->codecpar->codec_id = AV_CODEC_ID_PCM_S32LE;
+ break;
+ case AV_CODEC_ID_PCM_F32BE:
+ st->codecpar->codec_id = AV_CODEC_ID_PCM_F32LE;
+ break;
+ case AV_CODEC_ID_PCM_F64BE:
+ st->codecpar->codec_id = AV_CODEC_ID_PCM_F64LE;
+ break;
+ default:
+ break;
}
+}
+
+static int mov_read_enda(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ int little_endian = avio_rb16(pb) & 0xFF;
+ av_log(c->fc, AV_LOG_TRACE, "enda %d\n", little_endian);
+ if (little_endian == 1)
+ set_last_stream_little_endian(c->fc);
return 0;
}
--
2.35.3
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