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authorMax Kellermann <max@duempel.org>2011-11-27 23:39:21 +0100
committerMax Kellermann <max@duempel.org>2011-11-28 11:39:21 +0100
commite1b032cbad5db7698104a93c2235fb7da1f8b580 (patch)
tree85140e9f2e7a0486b69705e2709154f794769c5d
parent6f365c30eb33c40193defb827b03a8fd293bfc23 (diff)
decoder/ffmpeg: work around bogus channel count
Initialize the audio_format before calling avcodec_open(), because avcodec_open() will fill bogus values.
-rw-r--r--NEWS1
-rw-r--r--src/decoder/ffmpeg_decoder_plugin.c20
2 files changed, 13 insertions, 8 deletions
diff --git a/NEWS b/NEWS
index 166541c44..b078b8213 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,7 @@
ver 0.16.6 (2010/??/??)
* decoder:
- fix assertion failure when resuming streams
+ - ffmpeg: work around bogus channel count
* encoder:
- flac, null, wave: fix buffer corruption bug
- wave: support packed 24 bit samples
diff --git a/src/decoder/ffmpeg_decoder_plugin.c b/src/decoder/ffmpeg_decoder_plugin.c
index ba47b2c2c..34a6b3ebd 100644
--- a/src/decoder/ffmpeg_decoder_plugin.c
+++ b/src/decoder/ffmpeg_decoder_plugin.c
@@ -407,13 +407,6 @@ ffmpeg_decode(struct decoder *decoder, struct input_stream *input)
return;
}
- if (avcodec_open(codec_context, codec)<0) {
- g_warning("Could not open codec\n");
- av_close_input_stream(format_context);
- mpd_ffmpeg_stream_close(stream);
- return;
- }
-
GError *error = NULL;
struct audio_format audio_format;
if (!audio_format_init_checked(&audio_format,
@@ -422,7 +415,18 @@ ffmpeg_decode(struct decoder *decoder, struct input_stream *input)
codec_context->channels, &error)) {
g_warning("%s", error->message);
g_error_free(error);
- avcodec_close(codec_context);
+ av_close_input_stream(format_context);
+ mpd_ffmpeg_stream_close(stream);
+ return;
+ }
+
+ /* the audio format must be read from AVCodecContext by now,
+ because avcodec_open() has been demonstrated to fill bogus
+ values into AVCodecContext.channels - a change that will be
+ reverted later by avcodec_decode_audio3() */
+
+ if (avcodec_open(codec_context, codec)<0) {
+ g_warning("Could not open codec\n");
av_close_input_stream(format_context);
mpd_ffmpeg_stream_close(stream);
return;