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Remove dependency on FFmpeg

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This commit is contained in:
dijunkun
2024-05-17 17:55:25 +08:00
parent 6df90ff55a
commit 57ff14ada4
9 changed files with 17 additions and 601 deletions
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52
src/media/video/decode/openh264/openh264_decoder.cpp
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@@ -2,23 +2,9 @@
#include <cstring>
#include "libyuv.h"
#include "log.h"
#ifdef __cplusplus
extern "C" {
#endif
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavdevice/avdevice.h>
#include <libavfilter/avfilter.h>
#include <libavformat/avformat.h>
#include <libavutil/imgutils.h>
#include <libswscale/swscale.h>
};
#ifdef __cplusplus
};
#endif
#define SAVE_NV12_STREAM 0
#define SAVE_H264_STREAM 0
@@ -53,30 +39,6 @@ void CopyYUVWithStride(uint8_t *srcY, uint8_t *srcU, uint8_t *srcV, int width,
}
}
int YUV420ToNV12PFFmpeg(unsigned char *src_buffer, int width, int height,
unsigned char *dst_buffer) {
AVFrame *Input_pFrame = av_frame_alloc();
AVFrame *Output_pFrame = av_frame_alloc();
struct SwsContext *img_convert_ctx = sws_getContext(
width, height, AV_PIX_FMT_YUV420P, 1280, 720, AV_PIX_FMT_NV12,
SWS_FAST_BILINEAR, nullptr, nullptr, nullptr);
av_image_fill_arrays(Input_pFrame->data, Input_pFrame->linesize, src_buffer,
AV_PIX_FMT_YUV420P, width, height, 1);
av_image_fill_arrays(Output_pFrame->data, Output_pFrame->linesize, dst_buffer,
AV_PIX_FMT_NV12, 1280, 720, 1);
sws_scale(img_convert_ctx, (uint8_t const **)Input_pFrame->data,
Input_pFrame->linesize, 0, height, Output_pFrame->data,
Output_pFrame->linesize);
if (Input_pFrame) av_free(Input_pFrame);
if (Output_pFrame) av_free(Output_pFrame);
if (img_convert_ctx) sws_freeContext(img_convert_ctx);
return 0;
}
OpenH264Decoder::OpenH264Decoder() {}
OpenH264Decoder::~OpenH264Decoder() {
if (openh264_decoder_) {
@@ -175,8 +137,16 @@ int OpenH264Decoder::Decode(
fwrite((unsigned char *)decoded_frame_, 1,
frame_width_ * frame_height_ * 3 / 2, nv12_stream_);
}
YUV420ToNV12PFFmpeg(decoded_frame_, frame_width_, frame_height_,
nv12_frame_);
libyuv::I420ToNV12(
(const uint8_t *)decoded_frame_, frame_width_,
(const uint8_t *)decoded_frame_ + frame_width_ * frame_height_,
frame_width_ / 2,
(const uint8_t *)decoded_frame_ +
frame_width_ * frame_height_ * 3 / 2,
frame_width_ / 2, nv12_frame_, frame_width_,
nv12_frame_ + frame_width_ * frame_height_, frame_width_,
frame_width_, frame_height_);
VideoFrame decoded_frame(nv12_frame_,
frame_width_ * frame_height_ * 3 / 2,