YangWX/crossdesk
1
0
Fork 0
mirror of https://github.com/kunkundi/crossdesk.git synced 2025-10-27 04:35:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

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)

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

40
src/media/video/decode/ffmpeg/ffmpeg_video_decoder.cpp
View File

@@ -2,7 +2,8 @@
#include "log.h"
#define SAVE_DECODER_STREAM 0
#define SAVE_RECEIVED_H264_STREAM 0
#define SAVE_DECODED_NV12_STREAM 0
extern "C" {
#include <libavformat/avformat.h>
@@ -13,10 +14,16 @@ extern "C" {
FfmpegVideoDecoder::FfmpegVideoDecoder() {}
FfmpegVideoDecoder::~FfmpegVideoDecoder() {
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;
}
if (decoded_frame_) {
@@ -89,10 +96,17 @@ int FfmpegVideoDecoder::Init() {
decoded_frame_ = new VideoFrame(1280 * 720 * 3 / 2);
if (SAVE_DECODER_STREAM) {
file_ = fopen("decode_stream.yuv", "w+b");
if (!file_) {
LOG_WARN("Fail to open stream.yuv");
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;
@@ -109,6 +123,10 @@ int FfmpegVideoDecoder::Decode(
}
}
if (SAVE_RECEIVED_H264_STREAM) {
fwrite((unsigned char *)data, 1, size, file_h264_);
}
packet_->data = (uint8_t *)data;
packet_->size = size;
@@ -152,9 +170,9 @@ int FfmpegVideoDecoder::Decode(
// LOG_ERROR("cost {}", now_ts - start_ts);
on_receive_decoded_frame(*decoded_frame_);
if (SAVE_DECODER_STREAM) {
if (SAVE_DECODED_NV12_STREAM) {
fwrite((unsigned char *)decoded_frame_->Buffer(), 1,
decoded_frame_->Size(), file_);
decoded_frame_->Size(), file_nv12_);
}
}
}