static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *samplesref) { AVFilterContext *ctx = inlink->dst; ShowInfoContext *showinfo = ctx->priv; uint32_t plane_checksum[8] = {0}, checksum = 0; char chlayout_str[128]; int plane; for (plane = 0; samplesref->data[plane] && plane < 8; plane++) { uint8_t *data = samplesref->data[plane]; int linesize = samplesref->linesize[plane]; plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize); checksum = av_adler32_update(checksum, data, linesize); } av_get_channel_layout_string(chlayout_str, sizeof(chlayout_str), -1, samplesref->audio->channel_layout); av_log(ctx, AV_LOG_INFO, "n:%d pts:%"PRId64" pts_time:%f pos:%"PRId64" " "fmt:%s chlayout:%s nb_samples:%d rate:%d planar:%d " "checksum:%u plane_checksum[%u %u %u %u %u %u %u %u]\n", showinfo->frame, samplesref->pts, samplesref->pts * av_q2d(inlink->time_base), samplesref->pos, av_get_sample_fmt_name(samplesref->format), chlayout_str, samplesref->audio->nb_samples, samplesref->audio->sample_rate, samplesref->audio->planar, checksum, plane_checksum[0], plane_checksum[1], plane_checksum[2], plane_checksum[3], plane_checksum[4], plane_checksum[5], plane_checksum[6], plane_checksum[7]); showinfo->frame++; avfilter_filter_samples(inlink->dst->outputs[0], samplesref); }