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audio: extended support for planar/packed formats

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This commit is contained in:
itsmattkc
2022-05-03 13:41:27 -07:00
parent 6e7e6f81f9
commit b290c4d007
22 changed files with 393 additions and 103 deletions
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app/codec/ffmpeg/ffmpegencoder.cpp
+50 -12
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@@ -62,6 +62,38 @@ QStringList FFmpegEncoder::GetPixelFormatsForCodec(ExportCodec::Codec c) const
return pix_fmts;
}
std::vector<AudioParams::Format> FFmpegEncoder::GetSampleFormatsForCodec(ExportCodec::Codec c) const
{
std::vector<AudioParams::Format> f;
if (c == ExportCodec::kCodecPCM) {
// FFmpeg lists these as separate codecs so we need custom functionality here
// We list signed 16 first because ExportDialog will always use the first element by default
// (beacuse first element is the "default" in FFmpeg)
f = {
AudioParams::kFormatSigned16Packed,
AudioParams::kFormatUnsigned8Packed,
AudioParams::kFormatSigned32Packed,
AudioParams::kFormatSigned64Packed,
AudioParams::kFormatFloat32Packed,
AudioParams::kFormatFloat64Packed
};
} else {
const AVCodec* codec_info = GetEncoder(c, AudioParams::kFormatInvalid);
if (codec_info && codec_info->sample_fmts) {
for (int i=0; codec_info->sample_fmts[i]!=-1; i++) {
AudioParams::Format this_format = FFmpegUtils::GetNativeSampleFormat(static_cast<AVSampleFormat>(codec_info->sample_fmts[i]));
if (this_format != AudioParams::kFormatInvalid) {
f.push_back(this_format);
}
}
}
}
return f;
}
bool FFmpegEncoder::Open()
{
if (open_) {
@@ -246,14 +278,14 @@ bool FFmpegEncoder::WriteAudio(SampleBufferPtr audio)
int input_linesize;
av_samples_alloc_array_and_samples(&input_data, &input_linesize, audio->audio_params().channel_count(),
input_sample_count, FFmpegUtils::GetFFmpegSampleFormat(audio->audio_params().format(), true), 0);
input_sample_count, FFmpegUtils::GetFFmpegSampleFormat(audio->audio_params().format()), 0);
for (int i=0; i<audio->audio_params().channel_count(); i++) {
memcpy(input_data[i], audio->data(i), input_sample_count * audio->audio_params().bytes_per_sample_per_channel());
}
}
result = WriteAudioData(audio->audio_params(), true, const_cast<const uint8_t**>(input_data), input_sample_count);
result = WriteAudioData(audio->audio_params(), const_cast<const uint8_t**>(input_data), input_sample_count);
if (input_data) {
av_freep(&input_data[0]);
@@ -263,9 +295,9 @@ bool FFmpegEncoder::WriteAudio(SampleBufferPtr audio)
return result;
}
bool FFmpegEncoder::WriteAudioData(const AudioParams &audio_params, bool planar, const uint8_t **input_data, int input_sample_count)
bool FFmpegEncoder::WriteAudioData(const AudioParams &audio_params, const uint8_t **input_data, int input_sample_count)
{
if (!InitializeResampleContext(audio_params, planar)) {
if (!InitializeResampleContext(audio_params)) {
qCritical() << "Failed to initialize resample context";
return false;
}
@@ -783,7 +815,7 @@ void FFmpegEncoder::FlushCodecCtx(AVCodecContext *codec_ctx, AVStream* stream)
av_packet_free(&pkt);
}
bool FFmpegEncoder::InitializeResampleContext(const AudioParams &audio, bool planar)
bool FFmpegEncoder::InitializeResampleContext(const AudioParams &audio)
{
if (audio_resample_ctx_) {
return true;
@@ -795,7 +827,7 @@ bool FFmpegEncoder::InitializeResampleContext(const AudioParams &audio, bool pla
audio_codec_ctx_->sample_fmt,
audio_codec_ctx_->sample_rate,
static_cast<int64_t>(audio.channel_layout()),
FFmpegUtils::GetFFmpegSampleFormat(audio.format(), planar),
FFmpegUtils::GetFFmpegSampleFormat(audio.format()),
audio.sample_rate(),
0,
nullptr);
@@ -875,18 +907,24 @@ const AVCodec *FFmpegEncoder::GetEncoder(ExportCodec::Codec c, AudioParams::Form
switch (aformat) {
case AudioParams::kFormatInvalid:
case AudioParams::kFormatCount:
case AudioParams::kFormatUnsigned8Planar:
case AudioParams::kFormatSigned16Planar:
case AudioParams::kFormatSigned32Planar:
case AudioParams::kFormatSigned64Planar:
case AudioParams::kFormatFloat32Planar:
case AudioParams::kFormatFloat64Planar:
break;
case AudioParams::kFormatUnsigned8:
case AudioParams::kFormatUnsigned8Packed:
return avcodec_find_encoder(AV_CODEC_ID_PCM_U8);
case AudioParams::kFormatSigned16:
case AudioParams::kFormatSigned16Packed:
return avcodec_find_encoder(AV_CODEC_ID_PCM_S16LE);
case AudioParams::kFormatSigned32:
case AudioParams::kFormatSigned32Packed:
return avcodec_find_encoder(AV_CODEC_ID_PCM_S32LE);
case AudioParams::kFormatSigned64:
case AudioParams::kFormatSigned64Packed:
return avcodec_find_encoder(AV_CODEC_ID_PCM_S64LE);
case AudioParams::kFormatFloat32:
case AudioParams::kFormatFloat32Packed:
return avcodec_find_encoder(AV_CODEC_ID_PCM_F32LE);
case AudioParams::kFormatFloat64:
case AudioParams::kFormatFloat64Packed:
return avcodec_find_encoder(AV_CODEC_ID_PCM_F64LE);
}
break;