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[fix] fix crash due to yuv420p convert to nv12

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This commit is contained in:
dijunkun
2024-08-02 16:13:49 +08:00
parent 66fc4d3f95
commit 0edeec3d16
3 changed files with 36 additions and 9 deletions
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39
src/media/video/decode/openh264/openh264_decoder.cpp
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@@ -39,6 +39,22 @@ void CopyYUVWithStride(uint8_t *srcY, uint8_t *srcU, uint8_t *srcV, int width,
}
}
void ConvertYUV420toNV12(const unsigned char *yuvData, unsigned char *nv12Data,
int width, int height) {
int ySize = width * height;
int uvSize = ySize / 4;
const unsigned char *yData = yuvData;
const unsigned char *uData = yData + ySize;
const unsigned char *vData = uData + uvSize;
std::memcpy(nv12Data, yData, ySize);
for (int i = 0; i < uvSize; i++) {
nv12Data[ySize + i * 2] = uData[i];
nv12Data[ySize + i * 2 + 1] = vData[i];
}
}
OpenH264Decoder::OpenH264Decoder() {}
OpenH264Decoder::~OpenH264Decoder() {
if (openh264_decoder_) {
@@ -138,15 +154,20 @@ int OpenH264Decoder::Decode(
frame_width_ * frame_height_ * 3 / 2, nv12_stream_);
}
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_);
if (0) {
ConvertYUV420toNV12(decoded_frame_, nv12_frame_, frame_width_,
frame_height_);
} else {
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_ * 5 / 4,
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,