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Handle the case of flushing resampler by sending NULL

This commit is contained in:
Isaac Connor 2019-10-17 17:37:36 -04:00
parent c6adf46384
commit a0f021ee12
1 changed files with 13 additions and 6 deletions
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19
src/zm_ffmpeg.cpp
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@ -84,8 +84,7 @@ void FFMPEGInit() {
Info("Not enabling ffmpeg logs, as LOG_FFMPEG and/or LOG_DEBUG is disabled in options, or this monitor not part of your debug targets"); Info("Not enabling ffmpeg logs, as LOG_FFMPEG and/or LOG_DEBUG is disabled in options, or this monitor not part of your debug targets");
av_log_set_level(AV_LOG_QUIET); av_log_set_level(AV_LOG_QUIET);
} }
#if LIBAVFORMAT_VERSION_CHECK(58, 9, 0, 64, 0) #if !LIBAVFORMAT_VERSION_CHECK(58, 9, 0, 64, 0)
#else
av_register_all(); av_register_all();
#endif #endif
avformat_network_init(); avformat_network_init();
@ -691,10 +690,14 @@ int zm_resample_audio(
AVFrame *out_frame AVFrame *out_frame
) { ) {
#if defined(HAVE_LIBSWRESAMPLE) #if defined(HAVE_LIBSWRESAMPLE)
// Resample the in_frame into the audioSampleBuffer until we process the whole if ( in_frame ) {
// decoded data. Note: pts does not survive resampling or converting // Resample the in_frame into the audioSampleBuffer until we process the whole
Debug(2, "Converting %d to %d samples using swresample", // decoded data. Note: pts does not survive resampling or converting
in_frame->nb_samples, out_frame->nb_samples); Debug(2, "Converting %d to %d samples using swresample",
in_frame->nb_samples, out_frame->nb_samples);
} else {
Debug(2, "Sending NULL frame to flush resampler");
}
int ret = swr_convert_frame(resample_ctx, out_frame, in_frame); int ret = swr_convert_frame(resample_ctx, out_frame, in_frame);
if ( ret < 0 ) { if ( ret < 0 ) {
Error("Could not resample frame (error '%s')", Error("Could not resample frame (error '%s')",
@ -705,6 +708,10 @@ int zm_resample_audio(
swr_get_delay(resample_ctx, out_frame->sample_rate)); swr_get_delay(resample_ctx, out_frame->sample_rate));
#else #else
#if defined(HAVE_LIBAVRESAMPLE) #if defined(HAVE_LIBAVRESAMPLE)
if ( ! in_frame ) {
Error("Flushing resampler not supported by AVRESAMPLE");
return 0;
}
int ret = avresample_convert(resample_ctx, NULL, 0, 0, in_frame->data, int ret = avresample_convert(resample_ctx, NULL, 0, 0, in_frame->data,
0, in_frame->nb_samples); 0, in_frame->nb_samples);
if ( ret < 0 ) { if ( ret < 0 ) {