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Crop image when doing color space conversion

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This commit is contained in:
Bernat Arlandis
2025-02-12 13:08:05 +01:00
parent f2475326a4
commit 00fb5c4df5
1 changed files with 12 additions and 20 deletions
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32
modules/theora/video_stream_theora.cpp
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@@ -61,29 +61,20 @@ int VideoStreamPlaybackTheora::queue_page(ogg_page *page) {
} }
void VideoStreamPlaybackTheora::video_write(th_ycbcr_buffer yuv) { void VideoStreamPlaybackTheora::video_write(th_ycbcr_buffer yuv) {
int pitch = 4; uint8_t *w = frame_data.ptrw();
frame_data.resize(size.x * size.y * pitch); char *dst = (char *)w;
{ uint32_t y_offset = region.position.y * yuv[0].stride + region.position.x;
uint8_t *w = frame_data.ptrw(); uint32_t uv_offset = region.position.y * yuv[1].stride + region.position.x;
char *dst = (char *)w;
if (px_fmt == TH_PF_444) { if (px_fmt == TH_PF_444) {
yuv444_2_rgb8888((uint8_t *)dst, (uint8_t *)yuv[0].data, (uint8_t *)yuv[1].data, (uint8_t *)yuv[2].data, size.x, size.y, yuv[0].stride, yuv[1].stride, size.x << 2); yuv444_2_rgb8888((uint8_t *)dst, (uint8_t *)yuv[0].data + y_offset, (uint8_t *)yuv[1].data + uv_offset, (uint8_t *)yuv[2].data + uv_offset, region.size.x, region.size.y, yuv[0].stride, yuv[1].stride, region.size.x << 2);
} else if (px_fmt == TH_PF_422) {
} else if (px_fmt == TH_PF_422) { yuv422_2_rgb8888((uint8_t *)dst, (uint8_t *)yuv[0].data + y_offset, (uint8_t *)yuv[1].data + uv_offset, (uint8_t *)yuv[2].data + uv_offset, region.size.x, region.size.y, yuv[0].stride, yuv[1].stride, region.size.x << 2);
yuv422_2_rgb8888((uint8_t *)dst, (uint8_t *)yuv[0].data, (uint8_t *)yuv[1].data, (uint8_t *)yuv[2].data, size.x, size.y, yuv[0].stride, yuv[1].stride, size.x << 2); } else if (px_fmt == TH_PF_420) {
yuv420_2_rgb8888((uint8_t *)dst, (uint8_t *)yuv[0].data + y_offset, (uint8_t *)yuv[1].data + uv_offset, (uint8_t *)yuv[2].data + uv_offset, region.size.x, region.size.y, yuv[0].stride, yuv[1].stride, region.size.x << 2);
} else if (px_fmt == TH_PF_420) {
yuv420_2_rgb8888((uint8_t *)dst, (uint8_t *)yuv[0].data, (uint8_t *)yuv[1].data, (uint8_t *)yuv[2].data, size.x, size.y, yuv[0].stride, yuv[1].stride, size.x << 2);
}
format = Image::FORMAT_RGBA8;
} }
Ref<Image> img = memnew(Image(size.x, size.y, false, Image::FORMAT_RGBA8, frame_data)); //zero copy image creation Ref<Image> img = memnew(Image(region.size.x, region.size.y, false, Image::FORMAT_RGBA8, frame_data)); //zero copy image creation
if (region.size.x != size.x || region.size.y != size.y) {
img = img->get_region(region);
}
texture->update(img); //zero copy send to rendering server texture->update(img); //zero copy send to rendering server
} }
@@ -296,6 +287,7 @@ void VideoStreamPlaybackTheora::set_file(const String &p_file) {
Ref<Image> img = Image::create_empty(region.size.x, region.size.y, false, Image::FORMAT_RGBA8); Ref<Image> img = Image::create_empty(region.size.x, region.size.y, false, Image::FORMAT_RGBA8);
texture->set_image(img); texture->set_image(img);
frame_data.resize(region.size.x * region.size.y * 4);
frame_duration = (double)ti.fps_denominator / ti.fps_numerator; frame_duration = (double)ti.fps_denominator / ti.fps_numerator;
} else { } else {