av_init_packet(&pkt);
//hack among hacks
- pkt.size = audioFrame->GetSampleFrameCount() * ctx->audio_st->codecpar->channels * (16 / 8);
+ pkt.size = audioFrame->GetSampleFrameCount() * ctx->audio_st->codecpar->channels * (ctx->audio_depth / 8);
audioFrame->GetBytes(&audioFrameBytes);
audioFrame->GetPacketTime(&audio_pts, ctx->audio_st->time_base.den);
pkt.pts = get_pkt_pts(videoFrame, audioFrame, wallclock, ctx->audio_pts_source, ctx->audio_st->time_base, &initial_audio_pts);
ctx->audio_pts_source = cctx->audio_pts_source;
ctx->video_pts_source = cctx->video_pts_source;
ctx->draw_bars = cctx->draw_bars;
+ ctx->audio_depth = cctx->audio_depth;
cctx->ctx = ctx;
/* Check audio channel option for valid values: 2, 8 or 16 */
return AVERROR(EINVAL);
}
+ /* Check audio bit depth option for valid values: 16 or 32 */
+ switch (cctx->audio_depth) {
+ case 16:
+ case 32:
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Value for audio bit depth option must be either 16 or 32\n");
+ return AVERROR(EINVAL);
+ }
+
/* List available devices. */
if (ctx->list_devices) {
ff_decklink_list_devices_legacy(avctx, 1, 0);
goto error;
}
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
- st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE;
+ st->codecpar->codec_id = cctx->audio_depth == 32 ? AV_CODEC_ID_PCM_S32LE : AV_CODEC_ID_PCM_S16LE;
st->codecpar->sample_rate = bmdAudioSampleRate48kHz;
st->codecpar->channels = cctx->audio_channels;
avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
}
av_log(avctx, AV_LOG_VERBOSE, "Using %d input audio channels\n", ctx->audio_st->codecpar->channels);
- result = ctx->dli->EnableAudioInput(bmdAudioSampleRate48kHz, bmdAudioSampleType16bitInteger, ctx->audio_st->codecpar->channels);
+ result = ctx->dli->EnableAudioInput(bmdAudioSampleRate48kHz, cctx->audio_depth == 32 ? bmdAudioSampleType32bitInteger : bmdAudioSampleType16bitInteger, ctx->audio_st->codecpar->channels);
if (result != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Cannot enable audio input\n");
{ "wallclock", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_WALLCLOCK}, 0, 0, DEC, "pts_source"},
{ "draw_bars", "draw bars on signal loss" , OFFSET(draw_bars), AV_OPT_TYPE_BOOL, { .i64 = 1}, 0, 1, DEC },
{ "queue_size", "input queue buffer size", OFFSET(queue_size), AV_OPT_TYPE_INT64, { .i64 = (1024 * 1024 * 1024)}, 0, INT64_MAX, DEC },
+ { "audio_depth", "audio bitdepth (16 or 32)", OFFSET(audio_depth), AV_OPT_TYPE_INT, { .i64 = 16}, 16, 32, DEC },
{ NULL },
};