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1.Use libyuv instead of ffmpeg to do nv12<->yuv420p convertion;2.Use local package to build libyuv(branch stable 2021.4.28 commit eb6e7bb63738e29efd82ea3cf2a115238a89fa51)

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This commit is contained in:
dijunkun
2024-05-08 16:34:53 +08:00
parent e0d2ab5a9f
commit 6bc8aaabdc
126 changed files with 98754 additions and 241 deletions
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41
src/media/video/decode/nvcodec/nvidia_video_decoder.cpp
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@@ -2,14 +2,21 @@
#include "log.h"
#define SAVE_DECODER_STREAM 0
#define SAVE_RECEIVED_H264_STREAM 0
#define SAVE_DECODED_NV12_STREAM 0
NvidiaVideoDecoder::NvidiaVideoDecoder() {}
NvidiaVideoDecoder::~NvidiaVideoDecoder() {
if (SAVE_DECODER_STREAM && file_) {
fflush(file_);
fclose(file_);
file_ = nullptr;
if (SAVE_RECEIVED_H264_STREAM && file_h264_) {
fflush(file_h264_);
fclose(file_h264_);
file_h264_ = nullptr;
}
if (SAVE_DECODED_NV12_STREAM && file_nv12_) {
fflush(file_nv12_);
fclose(file_nv12_);
file_nv12_ = nullptr;
}
}
@@ -34,12 +41,20 @@ int NvidiaVideoDecoder::Init() {
decoder = new NvDecoder(cuContext, false, cudaVideoCodec_H264, true);
if (SAVE_DECODER_STREAM) {
file_ = fopen("decode_stream.h264", "w+b");
if (!file_) {
LOG_WARN("Fail to open stream.h264");
if (SAVE_RECEIVED_H264_STREAM) {
file_h264_ = fopen("received_h264_stream.h264", "w+b");
if (!file_h264_) {
LOG_WARN("Fail to open received_h264_stream.h264");
}
}
if (SAVE_DECODED_NV12_STREAM) {
file_nv12_ = fopen("decoded_nv12_stream.yuv", "w+b");
if (!file_nv12_) {
LOG_WARN("Fail to open decoded_nv12_stream.yuv");
}
}
return 0;
}
@@ -50,8 +65,8 @@ int NvidiaVideoDecoder::Decode(
return -1;
}
if (SAVE_DECODER_STREAM) {
fwrite((unsigned char *)data, 1, size, file_);
if (SAVE_RECEIVED_H264_STREAM) {
fwrite((unsigned char *)data, 1, size, file_h264_);
}
if ((*(data + 4) & 0x1f) == 0x07) {
@@ -71,6 +86,10 @@ int NvidiaVideoDecoder::Decode(
data, decoder->GetWidth() * decoder->GetHeight() * 3 / 2,
decoder->GetWidth(), decoder->GetHeight());
on_receive_decoded_frame(decoded_frame);
if (SAVE_DECODED_NV12_STREAM) {
fwrite((unsigned char *)decoded_frame.Buffer(), 1,
decoded_frame.Size(), file_nv12_);
}
}
}
}