}
audio_format->num_channels = 2;
+ int64_t channel_layout = audio_avframe->channel_layout;
+ if (channel_layout == 0) {
+ channel_layout = av_get_default_channel_layout(audio_avframe->channels);
+ }
+
if (resampler == nullptr ||
audio_avframe->format != last_src_format ||
dst_format != last_dst_format ||
- av_frame_get_channel_layout(audio_avframe) != last_channel_layout ||
+ channel_layout != last_channel_layout ||
av_frame_get_sample_rate(audio_avframe) != last_sample_rate) {
avresample_free(&resampler);
resampler = avresample_alloc_context();
exit(1);
}
- av_opt_set_int(resampler, "in_channel_layout", av_frame_get_channel_layout(audio_avframe), 0);
+ av_opt_set_int(resampler, "in_channel_layout", channel_layout, 0);
av_opt_set_int(resampler, "out_channel_layout", AV_CH_LAYOUT_STEREO, 0);
av_opt_set_int(resampler, "in_sample_rate", av_frame_get_sample_rate(audio_avframe), 0);
av_opt_set_int(resampler, "out_sample_rate", OUTPUT_FREQUENCY, 0);
last_src_format = AVSampleFormat(audio_avframe->format);
last_dst_format = dst_format;
- last_channel_layout = av_frame_get_channel_layout(audio_avframe);
+ last_channel_layout = channel_layout;
last_sample_rate = av_frame_get_sample_rate(audio_avframe);
}