[FFmpeg-cvslog] wavdec: Only set the codec ID in read_header
Derek Buitenhuis
git at videolan.org
Sun Apr 3 03:51:34 CEST 2016
ffmpeg | branch: master | Derek Buitenhuis <derek.buitenhuis at gmail.com> | Sat Apr 2 22:43:17 2016 +0100| [fcbdc44f4e0c425506d627e16a12a7031dec398d] | committer: Michael Niedermayer
wavdec: Only set the codec ID in read_header
WAV is not a NOHEADER format, and thus should not be changing
stream codec IDs and probing in read_packet.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fcbdc44f4e0c425506d627e16a12a7031dec398d
---
libavformat/wavdec.c | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index d95596f..0391737 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -60,6 +60,19 @@ typedef struct WAVDemuxContext {
int rifx; // RIFX: integer byte order for parameters is big endian
} WAVDemuxContext;
+static void set_spdif(AVFormatContext *s, WAVDemuxContext *wav)
+{
+ if (CONFIG_SPDIF_DEMUXER && s->streams[0]->codec->codec_tag == 1) {
+ enum AVCodecID codec;
+ int ret = ff_spdif_probe(s->pb->buffer, s->pb->buf_end - s->pb->buffer,
+ &codec);
+ if (ret > AVPROBE_SCORE_EXTENSION) {
+ s->streams[0]->codec->codec_id = codec;
+ wav->spdif = 1;
+ }
+ }
+}
+
#if CONFIG_WAV_DEMUXER
static int64_t next_tag(AVIOContext *pb, uint32_t *tag, int big_endian)
@@ -528,6 +541,8 @@ break_loop:
ff_metadata_conv_ctx(s, NULL, wav_metadata_conv);
ff_metadata_conv_ctx(s, NULL, ff_riff_info_conv);
+ set_spdif(s, wav);
+
return 0;
}
@@ -561,18 +576,6 @@ static int wav_read_packet(AVFormatContext *s, AVPacket *pkt)
AVStream *st;
WAVDemuxContext *wav = s->priv_data;
- if (CONFIG_SPDIF_DEMUXER && wav->spdif == 0 &&
- s->streams[0]->codec->codec_tag == 1) {
- enum AVCodecID codec;
- ret = ff_spdif_probe(s->pb->buffer, s->pb->buf_end - s->pb->buffer,
- &codec);
- if (ret > AVPROBE_SCORE_EXTENSION) {
- s->streams[0]->codec->codec_id = codec;
- wav->spdif = 1;
- } else {
- wav->spdif = -1;
- }
- }
if (CONFIG_SPDIF_DEMUXER && wav->spdif == 1)
return ff_spdif_read_packet(s, pkt);
@@ -833,6 +836,8 @@ static int w64_read_header(AVFormatContext *s)
avio_seek(pb, data_ofs, SEEK_SET);
+ set_spdif(s, wav);
+
return 0;
}
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