*out_filter = format;
}
+ if (audio_volume != 256) {
+ AVFilterContext *volume;
+ char args[256];
+
+ snprintf(args, sizeof(args), "%lf", audio_volume / 256.);
+ av_log(NULL, AV_LOG_WARNING, "-vol has been deprecated. Used the "
+ "volume audio filter instead (-af volume=%s).\n", args);
+
+ ret = avfilter_graph_create_filter(&volume,
+ avfilter_get_by_name("volume"),
+ "volume", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(*in_filter, 0, volume, 0);
+ if (ret < 0)
+ return ret;
+
+ *in_filter = volume;
+ }
+
return 0;
}
AV_BUFFERSINK_FLAG_NO_REQUEST);
#endif
if (ret < 0) {
- if (ret != AVERROR(EAGAIN)) {
+ if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
char buf[256];
av_strerror(ret, buf, sizeof(buf));
av_log(NULL, AV_LOG_WARNING,
{
AVFrame *decoded_frame;
AVCodecContext *avctx = ist->st->codec;
- int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
int i, ret, resample_changed;
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
avctx->sample_rate;
#endif
- // preprocess audio (volume)
- if (audio_volume != 256) {
- int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
- void *samples = decoded_frame->data[0];
- switch (avctx->sample_fmt) {
- case AV_SAMPLE_FMT_U8:
- {
- uint8_t *volp = samples;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
- *volp++ = av_clip_uint8(v);
- }
- break;
- }
- case AV_SAMPLE_FMT_S16:
- {
- int16_t *volp = samples;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- int v = ((*volp) * audio_volume + 128) >> 8;
- *volp++ = av_clip_int16(v);
- }
- break;
- }
- case AV_SAMPLE_FMT_S32:
- {
- int32_t *volp = samples;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
- *volp++ = av_clipl_int32(v);
- }
- break;
- }
- case AV_SAMPLE_FMT_FLT:
- {
- float *volp = samples;
- float scale = audio_volume / 256.f;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- *volp++ *= scale;
- }
- break;
- }
- case AV_SAMPLE_FMT_DBL:
- {
- double *volp = samples;
- double scale = audio_volume / 256.;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- *volp++ *= scale;
- }
- break;
- }
- default:
- av_log(NULL, AV_LOG_FATAL,
- "Audio volume adjustment on sample format %s is not supported.\n",
- av_get_sample_fmt_name(ist->st->codec->sample_fmt));
- exit_program(1);
- }
- }
-
rate_emu_sleep(ist);
resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
#ifdef SRCA
av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
#else
- AVFilterBufferRef *fb= avfilter_get_audio_buffer_ref_from_frame(decoded_frame, AV_PERM_WRITE);
- av_buffersrc_add_ref(ist->filters[i]->filter, fb, 0*AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT);
+ av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
#endif
}
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if (!ost->stream_copy) {
- char *sample_fmt = NULL, *filters = NULL;;
+ char *sample_fmt = NULL, *filters = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);