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alpha: Move color conversion matrixes into stack variables to speed up processing

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This commit is contained in:
Sebastian Dröge 2010-03-20 10:20:53 +01:00
parent eb7a146b51
commit 9d9ba5b00e
1 changed files with 16 additions and 9 deletions
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25
gst/alpha/gstalpha.c
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@ -551,9 +551,11 @@ gst_alpha_set_ayuv_ayuv (const guint8 * src, guint8 * dest, gint width,
}
}
} else {
const gint *matrix =
gint matrix[12];
memcpy (matrix,
alpha->out_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit;
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit, 12 * sizeof (gint));
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
@ -633,9 +635,11 @@ gst_alpha_set_i420_ayuv (const guint8 * src, guint8 * dest, gint width,
srcY += src_wrap;
}
} else {
const gint *matrix =
gint matrix[12];
memcpy (matrix,
alpha->out_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit;
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit, 12 * sizeof (gint));
for (i = 0; i < height; i++) {
for (j = 0; j < width / 2; j++) {
@ -718,9 +722,11 @@ gst_alpha_chroma_key_ayuv_ayuv (const guint8 * src, guint8 * dest, gint width,
}
}
} else {
const gint *matrix =
gint matrix[12];
memcpy (matrix,
alpha->out_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit;
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit, 12 * sizeof (gint));
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
@ -807,10 +813,11 @@ gst_alpha_chromakey_row_i420_ayuv (GstAlpha * alpha, guint8 * dest1,
dest2 += 8;
}
} else {
const gint *matrix =
gint matrix[12], y;
memcpy (matrix,
alpha->out_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit;
gint y;
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit, 12 * sizeof (gint));
for (xpos = 0; xpos < width / 2; xpos++) {
y = APPLY_MATRIX (matrix, 0, srcY1[0], srcU[0], srcV[0]);