wcap: Support the other pixel format we may write
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b2aa91c164
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2255eb0816
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@ -316,12 +316,22 @@ struct input_state
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struct wcap_decoder *wcap;
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};
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static inline int rgb_to_yuv(uint32_t p, int *u, int *v)
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static inline int rgb_to_yuv(uint32_t format, uint32_t p, int *u, int *v)
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{
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int r = (p >> 16) & 0xff;
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int g = (p >> 8) & 0xff;
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int b = (p >> 0) & 0xff;
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int y;
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int r, g, b, y;
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switch (format) {
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case WCAP_FORMAT_XRGB8888:
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r = (p >> 16) & 0xff;
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g = (p >> 8) & 0xff;
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b = (p >> 0) & 0xff;
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break;
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case WCAP_FORMAT_XBGR8888:
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r = (p >> 0) & 0xff;
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g = (p >> 8) & 0xff;
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b = (p >> 16) & 0xff;
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break;
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}
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y = 0.299 * r + 0.587 * g + 0.114 * b;
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if (y > 255)
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@ -348,6 +358,7 @@ static void convert_to_yv12(struct wcap_decoder *wcap, vpx_image_t *img)
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unsigned char *y1, *y2, *u, *v;
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uint32_t *p1, *p2, *end;
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int i, u_accum, v_accum;
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uint32_t format = wcap->format;
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for (i = 0; i < wcap->height; i += 2) {
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y1 = img->planes[0] + img->stride[0] * i;
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@ -361,10 +372,10 @@ static void convert_to_yv12(struct wcap_decoder *wcap, vpx_image_t *img)
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while (p1 < end) {
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u_accum = 0;
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v_accum = 0;
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y1[0] = rgb_to_yuv(p1[0], &u_accum, &v_accum);
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y1[1] = rgb_to_yuv(p1[1], &u_accum, &v_accum);
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y2[0] = rgb_to_yuv(p2[0], &u_accum, &v_accum);
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y2[1] = rgb_to_yuv(p2[1], &u_accum, &v_accum);
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y1[0] = rgb_to_yuv(format, p1[0], &u_accum, &v_accum);
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y1[1] = rgb_to_yuv(format, p1[1], &u_accum, &v_accum);
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y2[0] = rgb_to_yuv(format, p2[0], &u_accum, &v_accum);
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y2[1] = rgb_to_yuv(format, p2[1], &u_accum, &v_accum);
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u[0] = clamp_uv(u_accum);
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v[0] = clamp_uv(v_accum);
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@ -120,6 +120,7 @@ wcap_decoder_create(const char *filename)
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PROT_READ, MAP_PRIVATE, decoder->fd, 0);
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header = decoder->map;
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decoder->format = header->format;
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decoder->width = header->width;
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decoder->height = header->height;
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decoder->p = header + 1;
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@ -50,6 +50,7 @@ struct wcap_decoder {
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size_t size;
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void *map, *p, *end;
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uint32_t *frame;
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uint32_t format;
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int width, height;
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};
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