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Code Issues Releases Activity

ffplay: add support for various YUV conversion modes

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SDL from version 2.0.8 has support for full range YUV and specifying
BT601/BT709 color space for YUV->RGB conversion.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2018-07-02 19:16:31 +02:00
parent 0576ef466d
commit 85bfcc46d1
1 changed files with 18 additions and 0 deletions
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18
fftools/ffplay.c
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@ -954,6 +954,22 @@ static int upload_texture(SDL_Texture **tex, AVFrame *frame, struct SwsContext *
return ret;
}
static void set_sdl_yuv_conversion_mode(AVFrame *frame)
{
#if SDL_VERSION_ATLEAST(2,0,8)
SDL_YUV_CONVERSION_MODE mode = SDL_YUV_CONVERSION_AUTOMATIC;
if (frame && (frame->format == AV_PIX_FMT_YUV420P || frame->format == AV_PIX_FMT_YUYV422 || frame->format == AV_PIX_FMT_UYVY422)) {
if (frame->color_range == AVCOL_RANGE_JPEG)
mode = SDL_YUV_CONVERSION_JPEG;
else if (frame->colorspace == AVCOL_SPC_BT709)
mode = SDL_YUV_CONVERSION_BT709;
else if (frame->colorspace == AVCOL_SPC_BT470BG || frame->colorspace == AVCOL_SPC_SMPTE170M || frame->colorspace == AVCOL_SPC_SMPTE240M)
mode = SDL_YUV_CONVERSION_BT601;
}
SDL_SetYUVConversionMode(mode);
#endif
}
static void video_image_display(VideoState *is)
{
Frame *vp;
@ -1015,7 +1031,9 @@ static void video_image_display(VideoState *is)
vp->flip_v = vp->frame->linesize[0] < 0;
}
set_sdl_yuv_conversion_mode(vp->frame);
SDL_RenderCopyEx(renderer, is->vid_texture, NULL, &rect, 0, NULL, vp->flip_v ? SDL_FLIP_VERTICAL : 0);
set_sdl_yuv_conversion_mode(NULL);
if (sp) {
#if USE_ONEPASS_SUBTITLE_RENDER
SDL_RenderCopy(renderer, is->sub_texture, NULL, &rect);