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@ -807,19 +807,21 @@ static void free_subpicture(SubPicture *sp) |
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avsubtitle_free(&sp->sub); |
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} |
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static void calculate_display_rect(SDL_Rect *rect, int scr_xleft, int scr_ytop, int scr_width, int scr_height, VideoPicture *vp) |
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static void calculate_display_rect(SDL_Rect *rect, |
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int scr_xleft, int scr_ytop, int scr_width, int scr_height, |
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int pic_width, int pic_height, AVRational pic_sar) |
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{ |
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float aspect_ratio; |
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int width, height, x, y; |
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if (vp->sar.num == 0) |
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if (pic_sar.num == 0) |
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aspect_ratio = 0; |
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else |
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aspect_ratio = av_q2d(vp->sar); |
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aspect_ratio = av_q2d(pic_sar); |
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if (aspect_ratio <= 0.0) |
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aspect_ratio = 1.0; |
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aspect_ratio *= (float)vp->width / (float)vp->height; |
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aspect_ratio *= (float)pic_width / (float)pic_height; |
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/* XXX: we suppose the screen has a 1.0 pixel ratio */ |
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height = scr_height; |
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@ -870,7 +872,7 @@ static void video_image_display(VideoState *is) |
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} |
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} |
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calculate_display_rect(&rect, is->xleft, is->ytop, is->width, is->height, vp); |
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calculate_display_rect(&rect, is->xleft, is->ytop, is->width, is->height, vp->width, vp->height, vp->sar); |
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SDL_DisplayYUVOverlay(vp->bmp, &rect); |
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@ -1077,10 +1079,10 @@ static void sigterm_handler(int sig) |
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exit(123); |
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} |
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static void set_default_window_size(VideoPicture *vp) |
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static void set_default_window_size(int width, int height, AVRational sar) |
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{ |
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SDL_Rect rect; |
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calculate_display_rect(&rect, 0, 0, INT_MAX, vp->height, vp); |
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calculate_display_rect(&rect, 0, 0, INT_MAX, height, width, height, sar); |
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default_width = rect.w; |
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default_height = rect.h; |
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} |
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@ -1094,7 +1096,7 @@ static int video_open(VideoState *is, int force_set_video_mode, VideoPicture *vp |
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else flags |= SDL_RESIZABLE; |
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if (vp && vp->width) |
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set_default_window_size(vp); |
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set_default_window_size(vp->width, vp->height, vp->sar); |
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if (is_full_screen && fs_screen_width) { |
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w = fs_screen_width; |
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@ -2876,12 +2878,9 @@ static int read_thread(void *arg) |
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if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) { |
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AVStream *st = ic->streams[st_index[AVMEDIA_TYPE_VIDEO]]; |
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AVCodecContext *avctx = st->codec; |
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VideoPicture vp = {0}; |
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vp.width = avctx->width; |
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vp.height = avctx->height; |
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vp.sar = av_guess_sample_aspect_ratio(ic, st, NULL); |
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if (vp.width) |
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set_default_window_size(&vp); |
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AVRational sar = av_guess_sample_aspect_ratio(ic, st, NULL); |
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if (avctx->width) |
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set_default_window_size(avctx->width, avctx->height, sar); |
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} |
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/* open the streams */ |
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