diff options
Diffstat (limited to 'ffmpeg.c')
| -rw-r--r-- | ffmpeg.c | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -867,6 +867,29 @@ static int configure_audio_filters(FilterGraph *fg, AVFilterContext **in_filter, *out_filter = format; } + if (audio_sync_method > 0) { + AVFilterContext *aswr; + char args[256] = {0}; + + av_strlcatf(args, sizeof(args), "min_comp=0.001:min_hard_comp=%f", audio_drift_threshold); + + if (audio_sync_method > 1) + av_strlcatf(args, sizeof(args), ":max_soft_comp=%f", audio_sync_method/(double)icodec->sample_rate); + + av_log(NULL, AV_LOG_INFO, "-async %d is forwarded to lavfi similarly to -af aresample=%s\n", audio_sync_method, args); + + ret = avfilter_graph_create_filter(&aswr, avfilter_get_by_name("aresample"), + "aresample", args, NULL, fg->graph); + if (ret < 0) + return ret; + + ret = avfilter_link(*in_filter, 0, aswr, 0); + if (ret < 0) + return ret; + + *in_filter = aswr; + } + #define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \ AVFilterContext *filt_ctx; \ \ |
