mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-03 01:02:19 +00:00
alpha: Add support for YUY2, YVYU and UYVY
This commit is contained in:
Sebastian Dröge
parent
90058bc076
commit
545b21c9bd
1 changed files with 503 additions and 1 deletions
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@ -140,7 +140,8 @@ static GstStaticPadTemplate gst_alpha_sink_template =
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";" GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_YUV ("Y444")
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";" GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR
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";" GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_BGR
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";" GST_VIDEO_CAPS_YUV ("Y42B") ";"
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";" GST_VIDEO_CAPS_YUV ("Y42B") ";" GST_VIDEO_CAPS_YUV ("YUY2")
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";" GST_VIDEO_CAPS_YUV ("YVYU") ";" GST_VIDEO_CAPS_YUV ("UYVY")
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";" GST_VIDEO_CAPS_YUV ("I420") ";" GST_VIDEO_CAPS_YUV ("YV12")
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";" GST_VIDEO_CAPS_YUV ("Y41B")
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)
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@ -1722,7 +1723,488 @@ gst_alpha_chroma_key_planar_yuv_argb (const guint8 * src, guint8 * dest,
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}
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}
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static void
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gst_alpha_set_packed_422_ayuv (const guint8 * src, guint8 * dest, gint width,
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gint height, GstAlpha * alpha)
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{
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gint s_alpha = CLAMP ((gint) (alpha->alpha * 255), 0, 255);
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gint i, j;
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gint y, u, v;
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gint p[4]; /* Y U Y V */
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gint src_stride;
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const guint8 *src_tmp;
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src_stride = gst_video_format_get_row_stride (alpha->in_format, 0, width);
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p[0] =
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gst_video_format_get_component_offset (alpha->in_format, 0, width,
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height);
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p[2] = p[0] + 2;
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p[1] =
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gst_video_format_get_component_offset (alpha->in_format, 1, width,
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height);
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p[3] =
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gst_video_format_get_component_offset (alpha->in_format, 2, width,
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height);
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if (alpha->in_sdtv != alpha->out_sdtv) {
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gint matrix[12];
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memcpy (matrix,
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alpha->in_sdtv ? cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit :
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cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit, 12 * sizeof (gint));
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for (i = 0; i < height; i++) {
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src_tmp = src;
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for (j = 0; j < width - 1; j += 2) {
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dest[0] = s_alpha;
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dest[4] = s_alpha;
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y = APPLY_MATRIX (matrix, 0, src[p[0]], src[p[1]], src[p[3]]);
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u = APPLY_MATRIX (matrix, 1, src[p[0]], src[p[1]], src[p[3]]);
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v = APPLY_MATRIX (matrix, 2, src[p[0]], src[p[1]], src[p[3]]);
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dest[1] = y;
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dest[2] = u;
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dest[3] = v;
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y = APPLY_MATRIX (matrix, 0, src[p[2]], src[p[1]], src[p[3]]);
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u = APPLY_MATRIX (matrix, 1, src[p[2]], src[p[1]], src[p[3]]);
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v = APPLY_MATRIX (matrix, 2, src[p[2]], src[p[1]], src[p[3]]);
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dest[5] = y;
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dest[6] = u;
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dest[7] = v;
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dest += 8;
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src += 4;
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}
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if (j == width - 1) {
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dest[0] = s_alpha;
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y = APPLY_MATRIX (matrix, 0, src[p[0]], src[p[1]], src[p[3]]);
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u = APPLY_MATRIX (matrix, 1, src[p[0]], src[p[1]], src[p[3]]);
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v = APPLY_MATRIX (matrix, 2, src[p[0]], src[p[1]], src[p[3]]);
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dest[1] = y;
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dest[2] = u;
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dest[3] = v;
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dest += 4;
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}
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src = src_tmp + src_stride;
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}
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} else {
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for (i = 0; i < height; i++) {
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src_tmp = src;
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for (j = 0; j < width - 1; j += 2) {
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dest[0] = s_alpha;
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dest[4] = s_alpha;
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y = src[p[0]];
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u = src[p[1]];
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v = src[p[3]];;
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dest[1] = y;
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dest[2] = u;
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dest[3] = v;
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y = src[p[2]];
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dest[5] = y;
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dest[6] = u;
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dest[7] = v;
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dest += 8;
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src += 4;
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}
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if (j == width - 1) {
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dest[0] = s_alpha;
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y = src[p[0]];
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u = src[p[1]];
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v = src[p[3]];;
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dest[1] = y;
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dest[2] = u;
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dest[3] = v;
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dest += 4;
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}
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src = src_tmp + src_stride;
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}
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}
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}
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static void
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gst_alpha_chroma_key_packed_422_ayuv (const guint8 * src, guint8 * dest,
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gint width, gint height, GstAlpha * alpha)
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{
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gint i, j;
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gint a, y, u, v;
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gint smin, smax;
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gint pa = CLAMP ((gint) (alpha->alpha * 255), 0, 255);
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gint8 cb = alpha->cb, cr = alpha->cr;
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gint8 kg = alpha->kg;
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guint8 accept_angle_tg = alpha->accept_angle_tg;
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guint8 accept_angle_ctg = alpha->accept_angle_ctg;
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guint8 one_over_kc = alpha->one_over_kc;
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guint8 kfgy_scale = alpha->kfgy_scale;
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guint noise_level2 = alpha->noise_level2;
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gint p[4]; /* Y U Y V */
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gint src_stride;
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const guint8 *src_tmp;
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src_stride = gst_video_format_get_row_stride (alpha->in_format, 0, width);
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p[0] =
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gst_video_format_get_component_offset (alpha->in_format, 0, width,
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height);
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p[2] = p[0] + 2;
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p[1] =
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gst_video_format_get_component_offset (alpha->in_format, 1, width,
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height);
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p[3] =
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gst_video_format_get_component_offset (alpha->in_format, 2, width,
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height);
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smin = 128 - alpha->black_sensitivity;
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smax = 128 + alpha->white_sensitivity;
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if (alpha->in_sdtv != alpha->out_sdtv) {
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gint matrix[12];
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memcpy (matrix,
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alpha->in_sdtv ? cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit :
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cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit, 12 * sizeof (gint));
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for (i = 0; i < height; i++) {
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src_tmp = src;
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for (j = 0; j < width - 1; j += 2) {
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y = APPLY_MATRIX (matrix, 0, src[p[0]], src[p[1]], src[p[3]]);
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u = APPLY_MATRIX (matrix, 1, src[p[0]], src[p[1]], src[p[3]]) - 128;
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v = APPLY_MATRIX (matrix, 2, src[p[0]], src[p[1]], src[p[3]]) - 128;
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a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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dest[0] = a;
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dest[1] = y;
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dest[2] = u + 128;
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dest[3] = v + 128;
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y = APPLY_MATRIX (matrix, 0, src[p[2]], src[p[1]], src[p[3]]);
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u = APPLY_MATRIX (matrix, 1, src[p[2]], src[p[1]], src[p[3]]) - 128;
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v = APPLY_MATRIX (matrix, 2, src[p[2]], src[p[1]], src[p[3]]) - 128;
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a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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dest[4] = a;
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dest[5] = y;
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dest[6] = u + 128;
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dest[7] = v + 128;
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dest += 8;
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src += 4;
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}
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if (j == width - 1) {
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y = APPLY_MATRIX (matrix, 0, src[p[0]], src[p[1]], src[p[3]]);
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u = APPLY_MATRIX (matrix, 1, src[p[0]], src[p[1]], src[p[3]]) - 128;
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v = APPLY_MATRIX (matrix, 2, src[p[0]], src[p[1]], src[p[3]]) - 128;
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a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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dest[0] = a;
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dest[1] = y;
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dest[2] = u + 128;
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dest[3] = v + 128;
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dest += 4;
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}
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src = src_tmp + src_stride;
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}
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} else {
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for (i = 0; i < height; i++) {
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src_tmp = src;
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for (j = 0; j < width - 1; j += 2) {
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y = src[p[0]];
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u = src[p[1]] - 128;
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v = src[p[3]] - 128;
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a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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dest[0] = a;
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dest[1] = y;
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dest[2] = u + 128;
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dest[3] = v + 128;
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y = src[p[2]];
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u = src[p[1]] - 128;
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v = src[p[3]] - 128;
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a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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dest[4] = a;
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dest[5] = y;
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dest[6] = u + 128;
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dest[7] = v + 128;
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dest += 8;
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src += 4;
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}
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if (j == width - 1) {
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y = src[p[0]];
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u = src[p[1]] - 128;
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v = src[p[3]] - 128;
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a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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dest[0] = a;
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dest[1] = y;
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dest[2] = u + 128;
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dest[3] = v + 128;
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dest += 4;
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}
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src = src_tmp + src_stride;
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}
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}
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}
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static void
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gst_alpha_set_packed_422_argb (const guint8 * src, guint8 * dest, gint width,
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gint height, GstAlpha * alpha)
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{
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gint s_alpha = CLAMP ((gint) (alpha->alpha * 255), 0, 255);
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gint i, j;
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gint p[4], o[4];
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gint src_stride;
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const guint8 *src_tmp;
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gint matrix[12];
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gint r, g, b;
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src_stride = gst_video_format_get_row_stride (alpha->in_format, 0, width);
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o[0] =
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gst_video_format_get_component_offset (alpha->in_format, 0, width,
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height);
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o[2] = o[0] + 2;
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o[1] =
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gst_video_format_get_component_offset (alpha->in_format, 1, width,
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height);
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o[3] =
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gst_video_format_get_component_offset (alpha->in_format, 2, width,
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height);
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p[0] =
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gst_video_format_get_component_offset (alpha->out_format, 3, width,
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height);
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p[1] =
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gst_video_format_get_component_offset (alpha->out_format, 0, width,
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height);
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p[2] =
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gst_video_format_get_component_offset (alpha->out_format, 1, width,
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height);
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p[3] =
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gst_video_format_get_component_offset (alpha->out_format, 2, width,
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height);
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memcpy (matrix,
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alpha->in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv :
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cog_ycbcr_to_rgb_matrix_8bit_hdtv, 12 * sizeof (gint));
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for (i = 0; i < height; i++) {
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src_tmp = src;
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for (j = 0; j < width - 1; j += 2) {
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r = APPLY_MATRIX (matrix, 0, src[o[0]], src[o[1]], src[o[3]]);
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g = APPLY_MATRIX (matrix, 1, src[o[0]], src[o[1]], src[o[3]]);
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b = APPLY_MATRIX (matrix, 2, src[o[0]], src[o[1]], src[o[3]]);
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dest[p[0]] = s_alpha;
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dest[p[1]] = r;
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dest[p[2]] = g;
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dest[p[3]] = b;
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r = APPLY_MATRIX (matrix, 0, src[o[2]], src[o[1]], src[o[3]]);
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g = APPLY_MATRIX (matrix, 1, src[o[2]], src[o[1]], src[o[3]]);
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b = APPLY_MATRIX (matrix, 2, src[o[2]], src[o[1]], src[o[3]]);
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dest[4 + p[0]] = s_alpha;
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dest[4 + p[1]] = r;
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dest[4 + p[2]] = g;
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dest[4 + p[3]] = b;
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dest += 8;
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src += 4;
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}
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if (j == width - 1) {
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r = APPLY_MATRIX (matrix, 0, src[o[0]], src[o[1]], src[o[3]]);
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g = APPLY_MATRIX (matrix, 1, src[o[0]], src[o[1]], src[o[3]]);
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b = APPLY_MATRIX (matrix, 2, src[o[0]], src[o[1]], src[o[3]]);
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dest[p[0]] = s_alpha;
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dest[p[1]] = r;
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dest[p[2]] = g;
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dest[p[3]] = b;
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dest += 4;
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}
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src = src_tmp + src_stride;
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}
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}
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static void
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gst_alpha_chroma_key_packed_422_argb (const guint8 * src, guint8 * dest,
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gint width, gint height, GstAlpha * alpha)
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{
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gint i, j;
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gint a, y, u, v;
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gint r, g, b;
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gint smin, smax;
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gint pa = CLAMP ((gint) (alpha->alpha * 255), 0, 255);
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gint8 cb = alpha->cb, cr = alpha->cr;
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gint8 kg = alpha->kg;
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guint8 accept_angle_tg = alpha->accept_angle_tg;
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guint8 accept_angle_ctg = alpha->accept_angle_ctg;
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guint8 one_over_kc = alpha->one_over_kc;
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guint8 kfgy_scale = alpha->kfgy_scale;
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guint noise_level2 = alpha->noise_level2;
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gint p[4], o[4];
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gint src_stride;
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const guint8 *src_tmp;
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gint matrix[12];
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src_stride = gst_video_format_get_row_stride (alpha->in_format, 0, width);
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o[0] =
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gst_video_format_get_component_offset (alpha->in_format, 0, width,
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height);
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o[2] = o[0] + 2;
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o[1] =
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gst_video_format_get_component_offset (alpha->in_format, 1, width,
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height);
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o[3] =
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gst_video_format_get_component_offset (alpha->in_format, 2, width,
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height);
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p[0] =
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gst_video_format_get_component_offset (alpha->out_format, 3, width,
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height);
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p[1] =
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gst_video_format_get_component_offset (alpha->out_format, 0, width,
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height);
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p[2] =
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gst_video_format_get_component_offset (alpha->out_format, 1, width,
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height);
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p[3] =
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gst_video_format_get_component_offset (alpha->out_format, 2, width,
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height);
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memcpy (matrix,
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alpha->in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv :
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cog_ycbcr_to_rgb_matrix_8bit_hdtv, 12 * sizeof (gint));
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smin = 128 - alpha->black_sensitivity;
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smax = 128 + alpha->white_sensitivity;
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for (i = 0; i < height; i++) {
|
||||
src_tmp = src;
|
||||
|
||||
for (j = 0; j < width - 1; j += 2) {
|
||||
y = src[o[0]];
|
||||
u = src[o[1]] - 128;
|
||||
v = src[o[3]] - 128;
|
||||
|
||||
a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
|
||||
smin, smax, accept_angle_tg, accept_angle_ctg,
|
||||
one_over_kc, kfgy_scale, kg, noise_level2);
|
||||
u += 128;
|
||||
v += 128;
|
||||
|
||||
r = APPLY_MATRIX (matrix, 0, y, u, v);
|
||||
g = APPLY_MATRIX (matrix, 1, y, u, v);
|
||||
b = APPLY_MATRIX (matrix, 2, y, u, v);
|
||||
|
||||
dest[p[0]] = a;
|
||||
dest[p[1]] = r;
|
||||
dest[p[2]] = g;
|
||||
dest[p[3]] = b;
|
||||
|
||||
y = src[o[2]];
|
||||
u = src[o[1]] - 128;
|
||||
v = src[o[3]] - 128;
|
||||
|
||||
a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
|
||||
smin, smax, accept_angle_tg, accept_angle_ctg,
|
||||
one_over_kc, kfgy_scale, kg, noise_level2);
|
||||
u += 128;
|
||||
v += 128;
|
||||
|
||||
r = APPLY_MATRIX (matrix, 0, y, u, v);
|
||||
g = APPLY_MATRIX (matrix, 1, y, u, v);
|
||||
b = APPLY_MATRIX (matrix, 2, y, u, v);
|
||||
|
||||
dest[4 + p[0]] = a;
|
||||
dest[4 + p[1]] = r;
|
||||
dest[4 + p[2]] = g;
|
||||
dest[4 + p[3]] = b;
|
||||
|
||||
dest += 8;
|
||||
src += 4;
|
||||
}
|
||||
|
||||
if (j == width - 1) {
|
||||
y = src[o[0]];
|
||||
u = src[o[1]] - 128;
|
||||
v = src[o[3]] - 128;
|
||||
|
||||
a = chroma_keying_yuv (pa, &y, &u, &v, cr, cb,
|
||||
smin, smax, accept_angle_tg, accept_angle_ctg,
|
||||
one_over_kc, kfgy_scale, kg, noise_level2);
|
||||
u += 128;
|
||||
v += 128;
|
||||
|
||||
r = APPLY_MATRIX (matrix, 0, y, u, v);
|
||||
g = APPLY_MATRIX (matrix, 1, y, u, v);
|
||||
b = APPLY_MATRIX (matrix, 2, y, u, v);
|
||||
|
||||
dest[p[0]] = a;
|
||||
dest[p[1]] = r;
|
||||
dest[p[2]] = g;
|
||||
dest[p[3]] = b;
|
||||
|
||||
dest += 4;
|
||||
}
|
||||
|
||||
src = src_tmp + src_stride;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_alpha_init_params (GstAlpha * alpha)
|
||||
|
|
@ -1811,6 +2293,11 @@ gst_alpha_set_process_function (GstAlpha * alpha)
|
|||
case GST_VIDEO_FORMAT_Y41B:
|
||||
alpha->process = gst_alpha_set_planar_yuv_ayuv;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_YUY2:
|
||||
case GST_VIDEO_FORMAT_YVYU:
|
||||
case GST_VIDEO_FORMAT_UYVY:
|
||||
alpha->process = gst_alpha_set_packed_422_ayuv;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
|
|
@ -1844,6 +2331,11 @@ gst_alpha_set_process_function (GstAlpha * alpha)
|
|||
case GST_VIDEO_FORMAT_Y41B:
|
||||
alpha->process = gst_alpha_set_planar_yuv_argb;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_YUY2:
|
||||
case GST_VIDEO_FORMAT_YVYU:
|
||||
case GST_VIDEO_FORMAT_UYVY:
|
||||
alpha->process = gst_alpha_set_packed_422_argb;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
|
|
@ -1883,6 +2375,11 @@ gst_alpha_set_process_function (GstAlpha * alpha)
|
|||
case GST_VIDEO_FORMAT_Y41B:
|
||||
alpha->process = gst_alpha_chroma_key_planar_yuv_ayuv;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_YUY2:
|
||||
case GST_VIDEO_FORMAT_YVYU:
|
||||
case GST_VIDEO_FORMAT_UYVY:
|
||||
alpha->process = gst_alpha_chroma_key_packed_422_ayuv;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
|
|
@ -1916,6 +2413,11 @@ gst_alpha_set_process_function (GstAlpha * alpha)
|
|||
case GST_VIDEO_FORMAT_Y41B:
|
||||
alpha->process = gst_alpha_chroma_key_planar_yuv_argb;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_YUY2:
|
||||
case GST_VIDEO_FORMAT_YVYU:
|
||||
case GST_VIDEO_FORMAT_UYVY:
|
||||
alpha->process = gst_alpha_chroma_key_packed_422_argb;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
|
|
|
|||
Loading…
Reference in a new issue