mirror of
https://github.com/jojo61/vdr-plugin-softhdcuvid.git
synced 2023-10-10 13:37:41 +02:00
optimized CodecAudioDecode
This commit is contained in:
jojo61
parent
33a3316344
commit
24ccfefff3
192
codec.c
192
codec.c
@ -1687,156 +1687,62 @@ static void CodecAudioUpdateFormat(AudioDecoder * audio_decoder)
|
|||||||
** @param audio_decoder audio decoder data
|
** @param audio_decoder audio decoder data
|
||||||
** @param avpkt audio packet
|
** @param avpkt audio packet
|
||||||
*/
|
*/
|
||||||
|
|
||||||
void CodecAudioDecode(AudioDecoder * audio_decoder, const AVPacket * avpkt)
|
void CodecAudioDecode(AudioDecoder * audio_decoder, const AVPacket * avpkt)
|
||||||
{
|
{
|
||||||
AVCodecContext *audio_ctx;
|
AVCodecContext *audio_ctx = audio_decoder->AudioCtx;
|
||||||
|
|
||||||
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(56,28,1)
|
if (audio_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
|
||||||
AVFrame frame[1];
|
int ret;
|
||||||
#else
|
AVPacket pkt[1];
|
||||||
AVFrame *frame;
|
AVFrame *frame = audio_decoder->Frame;
|
||||||
#endif
|
|
||||||
int got_frame;
|
|
||||||
int n,ret;
|
|
||||||
|
|
||||||
audio_ctx = audio_decoder->AudioCtx;
|
av_frame_unref(frame);
|
||||||
|
*pkt = *avpkt; // use copy
|
||||||
// FIXME: don't need to decode pass-through codecs
|
ret = avcodec_send_packet(audio_ctx, pkt);
|
||||||
|
if (ret < 0) {
|
||||||
// new AVFrame API
|
Debug(3, "codec: sending audio packet failed");
|
||||||
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(56,28,1)
|
return;
|
||||||
avcodec_get_frame_defaults(frame);
|
|
||||||
#else
|
|
||||||
frame = audio_decoder->Frame;
|
|
||||||
av_frame_unref(frame);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
got_frame = 0;
|
|
||||||
#if 0
|
|
||||||
n = avcodec_decode_audio4(audio_ctx, frame, &got_frame, (AVPacket *) avpkt);
|
|
||||||
#else
|
|
||||||
// SUGGESTION
|
|
||||||
// Now that avcodec_decode_audio4 is deprecated and replaced
|
|
||||||
// by 2 calls (receive frame and send packet), this could be optimized
|
|
||||||
// into separate routines or separate threads.
|
|
||||||
// Also now that it always consumes a whole buffer some code
|
|
||||||
// in the caller may be able to be optimized.
|
|
||||||
ret = avcodec_receive_frame(audio_ctx,frame);
|
|
||||||
if (ret == 0)
|
|
||||||
got_frame = 1;
|
|
||||||
if (ret == AVERROR(EAGAIN))
|
|
||||||
ret = 0;
|
|
||||||
if (ret == 0)
|
|
||||||
ret = avcodec_send_packet(audio_ctx, avpkt);
|
|
||||||
if (ret == AVERROR(EAGAIN))
|
|
||||||
ret = 0;
|
|
||||||
else if (ret < 0)
|
|
||||||
{
|
|
||||||
// Debug(3, "codec/audio: audio decode error: %1 (%2)\n",av_make_error_string(error, sizeof(error), ret),got_frame);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
ret = avpkt->size;
|
|
||||||
n = ret; //FIXME: why n and not ret??
|
|
||||||
#endif
|
|
||||||
if (n != avpkt->size) {
|
|
||||||
if (n == AVERROR(EAGAIN)) {
|
|
||||||
Error(_("codec/audio: latm\n"));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
if (n < 0) { // no audio frame could be decompressed
|
|
||||||
Error(_("codec/audio: bad audio frame\n"));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
Error(_("codec/audio: error more than one frame data\n"));
|
|
||||||
}
|
|
||||||
if (!got_frame) {
|
|
||||||
Error(_("codec/audio: no frame\n"));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
// update audio clock
|
|
||||||
if (avpkt->pts != (int64_t) AV_NOPTS_VALUE) {
|
|
||||||
CodecAudioSetClock(audio_decoder, avpkt->pts);
|
|
||||||
}
|
|
||||||
// format change
|
|
||||||
if (audio_decoder->Passthrough != CodecPassthrough
|
|
||||||
|| audio_decoder->SampleRate != audio_ctx->sample_rate
|
|
||||||
|| audio_decoder->Channels != audio_ctx->channels) {
|
|
||||||
CodecAudioUpdateFormat(audio_decoder);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!audio_decoder->HwSampleRate || !audio_decoder->HwChannels) {
|
|
||||||
return; // unsupported sample format
|
|
||||||
}
|
|
||||||
|
|
||||||
if (CodecAudioPassthroughHelper(audio_decoder, avpkt)) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (0) {
|
|
||||||
char strbuf[32];
|
|
||||||
int data_sz;
|
|
||||||
int plane_sz;
|
|
||||||
|
|
||||||
data_sz =
|
|
||||||
av_samples_get_buffer_size(&plane_sz, audio_ctx->channels,
|
|
||||||
frame->nb_samples, audio_ctx->sample_fmt, 1);
|
|
||||||
fprintf(stderr, "codec/audio: sample_fmt %s\n",
|
|
||||||
av_get_sample_fmt_name(audio_ctx->sample_fmt));
|
|
||||||
av_get_channel_layout_string(strbuf, 32, audio_ctx->channels,
|
|
||||||
audio_ctx->channel_layout);
|
|
||||||
fprintf(stderr, "codec/audio: layout %s\n", strbuf);
|
|
||||||
fprintf(stderr,
|
|
||||||
"codec/audio: channels %d samples %d plane %d data %d\n",
|
|
||||||
audio_ctx->channels, frame->nb_samples, plane_sz, data_sz);
|
|
||||||
}
|
|
||||||
#ifdef USE_SWRESAMPLE
|
|
||||||
if (audio_decoder->Resample) {
|
|
||||||
uint8_t outbuf[8192 * 2 * 8];
|
|
||||||
uint8_t *out[1];
|
|
||||||
|
|
||||||
out[0] = outbuf;
|
|
||||||
n = swr_convert(audio_decoder->Resample, out,
|
|
||||||
sizeof(outbuf) / (2 * audio_decoder->HwChannels),
|
|
||||||
(const uint8_t **)frame->extended_data, frame->nb_samples);
|
|
||||||
if (n > 0) {
|
|
||||||
if (!(audio_decoder->Passthrough & CodecPCM)) {
|
|
||||||
CodecReorderAudioFrame((int16_t *) outbuf,
|
|
||||||
n * 2 * audio_decoder->HwChannels,
|
|
||||||
audio_decoder->HwChannels);
|
|
||||||
}
|
|
||||||
AudioEnqueue(outbuf, n * 2 * audio_decoder->HwChannels);
|
|
||||||
}
|
}
|
||||||
return;
|
ret = avcodec_receive_frame(audio_ctx, frame);
|
||||||
}
|
if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
|
||||||
#endif
|
Debug(3, "codec: receiving audio frame failed");
|
||||||
|
return;
|
||||||
#ifdef USE_AVRESAMPLE
|
|
||||||
if (audio_decoder->Resample) {
|
|
||||||
uint8_t outbuf[8192 * 2 * 8];
|
|
||||||
uint8_t *out[1];
|
|
||||||
|
|
||||||
out[0] = outbuf;
|
|
||||||
n = avresample_convert(audio_decoder->Resample, out, 0,
|
|
||||||
sizeof(outbuf) / (2 * audio_decoder->HwChannels),
|
|
||||||
(uint8_t **) frame->extended_data, 0, frame->nb_samples);
|
|
||||||
// FIXME: set out_linesize, in_linesize correct
|
|
||||||
if (n > 0) {
|
|
||||||
if (!(audio_decoder->Passthrough & CodecPCM)) {
|
|
||||||
CodecReorderAudioFrame((int16_t *) outbuf,
|
|
||||||
n * 2 * audio_decoder->HwChannels,
|
|
||||||
audio_decoder->HwChannels);
|
|
||||||
}
|
|
||||||
AudioEnqueue(outbuf, n * 2 * audio_decoder->HwChannels);
|
|
||||||
}
|
}
|
||||||
return;
|
if (ret >= 0) {
|
||||||
}
|
// update audio clock
|
||||||
#endif
|
if (avpkt->pts != (int64_t) AV_NOPTS_VALUE) {
|
||||||
|
CodecAudioSetClock(audio_decoder, avpkt->pts);
|
||||||
|
}
|
||||||
|
// format change
|
||||||
|
if (audio_decoder->Passthrough != CodecPassthrough || audio_decoder->SampleRate != audio_ctx->sample_rate
|
||||||
|
|| audio_decoder->Channels != audio_ctx->channels) {
|
||||||
|
CodecAudioUpdateFormat(audio_decoder);
|
||||||
|
}
|
||||||
|
if (!audio_decoder->HwSampleRate || !audio_decoder->HwChannels) {
|
||||||
|
return; // unsupported sample format
|
||||||
|
}
|
||||||
|
if (CodecAudioPassthroughHelper(audio_decoder, avpkt)) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
if (audio_decoder->Resample) {
|
||||||
|
uint8_t outbuf[8192 * 2 * 8];
|
||||||
|
uint8_t *out[1];
|
||||||
|
|
||||||
#ifdef DEBUG
|
out[0] = outbuf;
|
||||||
// should be never reached
|
ret = swr_convert(audio_decoder->Resample, out, sizeof(outbuf) / (2 * audio_decoder->HwChannels),
|
||||||
fprintf(stderr, "oops\n");
|
(const uint8_t **)frame->extended_data, frame->nb_samples);
|
||||||
#endif
|
if (ret > 0) {
|
||||||
|
if (!(audio_decoder->Passthrough & CodecPCM)) {
|
||||||
|
CodecReorderAudioFrame((int16_t *) outbuf, ret * 2 * audio_decoder->HwChannels,
|
||||||
|
audio_decoder->HwChannels);
|
||||||
|
}
|
||||||
|
AudioEnqueue(outbuf, ret * 2 * audio_decoder->HwChannels);
|
||||||
|
}
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user