Commit d8c1044f authored by Sebastian Dröge's avatar Sebastian Dröge
Browse files

ffmpegcolorspace: Add support for A420

parent 87417074
......@@ -93,6 +93,7 @@ enum PixelFormat {
PIX_FMT_V308, ///< Packed pixel, Y0 Cb Cr
PIX_FMT_AYUV4444, ///< Packed pixel, A0 Y0 Cb Cr
PIX_FMT_YUVA420P, ///< Planar YUV 4:4:2:0 (1 Cr & Cb sample per 2x2 Y & A samples) (A420)
PIX_FMT_NB
};
......
......@@ -170,6 +170,9 @@ gst_ffmpeg_pixfmt_to_caps (enum PixelFormat pix_fmt, AVCodecContext * context)
case PIX_FMT_YUV420P:
fmt = GST_MAKE_FOURCC ('I', '4', '2', '0');
break;
case PIX_FMT_YUVA420P:
fmt = GST_MAKE_FOURCC ('A', '4', '2', '0');
break;
case PIX_FMT_NV12:
fmt = GST_MAKE_FOURCC ('N', 'V', '1', '2');
break;
......@@ -636,6 +639,9 @@ gst_ffmpeg_caps_to_pixfmt (const GstCaps * caps,
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
context->pix_fmt = PIX_FMT_YUV420P;
break;
case GST_MAKE_FOURCC ('A', '4', '2', '0'):
context->pix_fmt = PIX_FMT_YUVA420P;
break;
case GST_MAKE_FOURCC ('N', 'V', '1', '2'):
context->pix_fmt = PIX_FMT_NV12;
break;
......@@ -857,6 +863,23 @@ gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
return size + 2 * size2;
/* PIX_FMT_YVU420P = YV12: same as PIX_FMT_YUV420P, but
* with U and V plane swapped. Strides as in videotestsrc */
case PIX_FMT_YUVA420P:
stride = GST_ROUND_UP_4 (width);
h2 = ROUND_UP_X (height, pinfo->y_chroma_shift);
size = stride * h2;
w2 = DIV_ROUND_UP_X (width, pinfo->x_chroma_shift);
stride2 = GST_ROUND_UP_4 (w2);
h2 = DIV_ROUND_UP_X (height, pinfo->y_chroma_shift);
size2 = stride2 * h2;
picture->data[0] = ptr;
picture->data[1] = picture->data[0] + size;
picture->data[2] = picture->data[1] + size2;
picture->data[3] = picture->data[2] + size2;
picture->linesize[0] = stride;
picture->linesize[1] = stride2;
picture->linesize[2] = stride2;
picture->linesize[3] = stride;
return 2 * size + 2 * size2;
case PIX_FMT_YVU410P:
case PIX_FMT_YVU420P:
stride = GST_ROUND_UP_4 (width);
......
......@@ -47,7 +47,7 @@ GST_DEBUG_CATEGORY (ffmpegcolorspace_performance);
#define FFMPEGCSP_VIDEO_CAPS \
"video/x-raw-yuv, width = "GST_VIDEO_SIZE_RANGE" , " \
"height="GST_VIDEO_SIZE_RANGE",framerate="GST_VIDEO_FPS_RANGE"," \
"format= (fourcc) { I420 , NV12 , NV21 , YV12 , YUY2 , Y42B , Y444 , YUV9 , YVU9 , Y41B , Y800 , Y8 , GREY , Y16 , UYVY , YVYU , IYU1 , v308 , AYUV } ;" \
"format= (fourcc) { I420 , NV12 , NV21 , YV12 , YUY2 , Y42B , Y444 , YUV9 , YVU9 , Y41B , Y800 , Y8 , GREY , Y16 , UYVY , YVYU , IYU1 , v308 , AYUV, A420} ;" \
GST_VIDEO_CAPS_RGB";" \
GST_VIDEO_CAPS_BGR";" \
GST_VIDEO_CAPS_RGBx";" \
......
......@@ -477,8 +477,18 @@ static PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
/* .x_chroma_shift = */ 0,
/* .y_chroma_shift = */ 0,
/*.depth = */ 8
},
/* [PIX_FMT_YUVA420P] = */ {
/* .format = */ PIX_FMT_YUVA420P,
/* .name = */ "yuva420p",
/* .nb_channels = */ 4,
/* .color_type = */ FF_COLOR_YUV,
/* .pixel_type = */ FF_PIXEL_PLANAR,
/* .is_alpha = */ 1,
/* .x_chroma_shift = */ 1,
/* .y_chroma_shift = */ 1,
/* .depth = */ 8,
}
};
/* returns NULL if not found */
......@@ -1595,6 +1605,76 @@ nv21_to_yuv444p (AVPicture * dst, const AVPicture * src, int width, int height)
}
}
static void
yuva420p_to_yuv420p (AVPicture * dst, const AVPicture * src, int width,
int height)
{
memcpy (dst->data[0], src->data[0], dst->linesize[0] * height);
memcpy (dst->data[1], src->data[1], dst->linesize[1] * ((height + 1) / 2));
memcpy (dst->data[2], src->data[2], dst->linesize[2] * ((height + 1) / 2));
}
static void
yuva420p_to_yuv422 (AVPicture * dst, const AVPicture * src,
int width, int height)
{
int w, h;
uint8_t *line1, *line2, *linesrc = dst->data[0];
uint8_t *lum1, *lum2, *lumsrc = src->data[0];
uint8_t *cb1, *cb2 = src->data[1];
uint8_t *cr1, *cr2 = src->data[2];
for (h = height / 2; h--;) {
line1 = linesrc;
line2 = linesrc + dst->linesize[0];
lum1 = lumsrc;
lum2 = lumsrc + src->linesize[0];
cb1 = cb2;
cr1 = cr2;
for (w = width / 2; w--;) {
*line1++ = *lum1++;
*line2++ = *lum2++;
*line1++ = *line2++ = *cb1++;
*line1++ = *lum1++;
*line2++ = *lum2++;
*line1++ = *line2++ = *cr1++;
}
/* odd width */
if (width % 2 != 0) {
*line1++ = *lum1++;
*line2++ = *lum2++;
*line1++ = *line2++ = *cb1++;
}
linesrc += dst->linesize[0] * 2;
lumsrc += src->linesize[0] * 2;
cb2 += src->linesize[1];
cr2 += src->linesize[2];
}
/* odd height */
if (height % 2 != 0) {
line1 = linesrc;
lum1 = lumsrc;
cb1 = cb2;
cr1 = cr2;
for (w = width / 2; w--;) {
*line1++ = *lum1++;
*line1++ = *cb1++;
*line1++ = *lum1++;
*line1++ = *cr1++;
}
/* odd width */
if (width % 2 != 0) {
*line1++ = *lum1++;
*line1++ = *cb1++;
}
}
}
#define SCALEBITS 10
#define ONE_HALF (1 << (SCALEBITS - 1))
#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
......@@ -2732,6 +2812,229 @@ y16_to_y800 (AVPicture * dst, const AVPicture * src, int width, int height)
}
}
static void
yuva420p_to_ayuv4444 (AVPicture * dst, const AVPicture * src,
int width, int height)
{
const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *a1_ptr, *a2_ptr;
uint8_t *d, *d1, *d2;
int w, width2;
d = dst->data[0];
y1_ptr = src->data[0];
cb_ptr = src->data[1];
cr_ptr = src->data[2];
a1_ptr = src->data[3];
width2 = (width + 1) >> 1;
for (; height >= 2; height -= 2) {
d1 = d;
d2 = d + dst->linesize[0];
y2_ptr = y1_ptr + src->linesize[0];
a2_ptr = a1_ptr + src->linesize[3];
for (w = width; w >= 2; w -= 2) {
d1[0] = a1_ptr[0];
d1[1] = y1_ptr[0];
d1[2] = cb_ptr[0];
d1[3] = cr_ptr[0];
d1[4 + 0] = a1_ptr[1];
d1[4 + 1] = y1_ptr[1];
d1[4 + 2] = cb_ptr[0];
d1[4 + 3] = cr_ptr[0];
d2[0] = a2_ptr[0];
d2[1] = y2_ptr[0];
d2[2] = cb_ptr[0];
d2[3] = cr_ptr[0];
d2[4 + 0] = a2_ptr[1];
d2[4 + 1] = y2_ptr[1];
d2[4 + 2] = cb_ptr[0];
d2[4 + 3] = cr_ptr[0];
d1 += 2 * 4;
d2 += 2 * 4;
y1_ptr += 2;
y2_ptr += 2;
cb_ptr++;
cr_ptr++;
a1_ptr += 2;
a2_ptr += 2;
}
/* handle odd width */
if (w) {
d1[0] = a1_ptr[0];
d1[1] = y1_ptr[0];
d1[2] = cb_ptr[0];
d1[3] = cr_ptr[0];
d2[0] = a2_ptr[0];
d2[1] = y2_ptr[0];
d2[2] = cb_ptr[0];
d2[3] = cr_ptr[0];
d1 += 4;
d2 += 4;
y1_ptr++;
y2_ptr++;
cb_ptr++;
cr_ptr++;
a1_ptr++;
a2_ptr++;
}
d += 2 * dst->linesize[0];
y1_ptr += 2 * src->linesize[0] - width;
cb_ptr += src->linesize[1] - width2;
cr_ptr += src->linesize[2] - width2;
a1_ptr += 2 * src->linesize[3] - width;
}
/* handle odd height */
if (height) {
d1 = d;
for (w = width; w >= 2; w -= 2) {
d1[0] = a1_ptr[0];
d1[1] = y1_ptr[0];
d1[2] = cb_ptr[0];
d1[3] = cr_ptr[0];
d1[4 + 0] = a1_ptr[1];
d1[4 + 1] = y1_ptr[1];
d1[4 + 2] = cb_ptr[0];
d1[4 + 3] = cr_ptr[0];
d1 += 2 * 4;
y1_ptr += 2;
cb_ptr++;
cr_ptr++;
a1_ptr += 2;
}
/* handle width */
if (w) {
d1[0] = a1_ptr[0];
d1[1] = y1_ptr[0];
d1[2] = cb_ptr[0];
d1[3] = cr_ptr[0];
d1 += 4;
y1_ptr++;
cb_ptr++;
cr_ptr++;
a1_ptr++;
}
}
}
static void
ayuv4444_to_yuva420p (AVPicture * dst,
const AVPicture * src, int width, int height)
{
int wrap, wrap3, width2;
int u1, v1, w;
uint8_t *lum, *cb, *cr, *a;
const uint8_t *p;
lum = dst->data[0];
cb = dst->data[1];
cr = dst->data[2];
a = dst->data[3];
width2 = (width + 1) >> 1;
wrap = dst->linesize[0];
wrap3 = src->linesize[0];
p = src->data[0];
for (; height >= 2; height -= 2) {
for (w = width; w >= 2; w -= 2) {
a[0] = p[0];
lum[0] = p[1];
u1 = p[2];
v1 = p[3];
a[1] = p[4 + 0];
lum[1] = p[4 + 1];
u1 += p[4 + 2];
v1 += p[4 + 3];
p += wrap3;
lum += wrap;
a += wrap;
a[0] = p[0];
lum[0] = p[1];
u1 += p[2];
v1 += p[3];
a[1] = p[4 + 0];
lum[1] = p[4 + 1];
u1 += p[4 + 2];
v1 += p[4 + 3];
cb[0] = u1 >> 2;
cr[0] = v1 >> 2;
cb++;
cr++;
p += -wrap3 + 2 * 4;
lum += -wrap + 2;
a += -wrap + 2;
}
if (w) {
a[0] = p[0];
lum[0] = p[1];
u1 = p[2];
v1 = p[3];
p += wrap3;
lum += wrap;
a += wrap;
a[0] = p[0];
lum[0] = p[1];
u1 += p[2];
v1 += p[3];
cb[0] = u1 >> 1;
cr[0] = v1 >> 1;
cb++;
cr++;
p += -wrap3 + 4;
lum += -wrap + 1;
a += -wrap + 1;
}
p += wrap3 + (wrap3 - width * 4);
lum += wrap + (wrap - width);
a += wrap + (wrap - width);
cb += dst->linesize[1] - width2;
cr += dst->linesize[2] - width2;
}
/* handle odd height */
if (height) {
for (w = width; w >= 2; w -= 2) {
a[0] = p[0];
lum[0] = p[1];
u1 = p[2];
v1 = p[3];
a[1] = p[4 + 0];
lum[1] = p[4 + 1];
u1 += p[4 + 2];
v1 += p[4 + 3];
cb[0] = u1 >> 1;
cr[0] = v1 >> 1;
cb++;
cr++;
p += 2 * 4;
lum += 2;
a += 2;
}
if (w) {
a[0] = p[0];
lum[0] = p[1];
cb[0] = p[2];
cr[0] = p[3];
}
}
}
typedef struct ConvertEntry
{
enum PixelFormat src;
......@@ -2872,6 +3175,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_YVYU422, PIX_FMT_ARGB32, yvyu422_to_argb32},
{PIX_FMT_RGB24, PIX_FMT_YUV420P, rgb24_to_yuv420p},
{PIX_FMT_RGB24, PIX_FMT_YUVA420P, rgb24_to_yuva420p},
{PIX_FMT_RGB24, PIX_FMT_NV12, rgb24_to_nv12},
{PIX_FMT_RGB24, PIX_FMT_NV21, rgb24_to_nv21},
{PIX_FMT_RGB24, PIX_FMT_RGB565, rgb24_to_rgb565},
......@@ -2901,6 +3205,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_RGB32, PIX_FMT_RGB555, rgba32_to_rgb555},
{PIX_FMT_RGB32, PIX_FMT_PAL8, rgb32_to_pal8},
{PIX_FMT_RGB32, PIX_FMT_YUV420P, rgb32_to_yuv420p},
{PIX_FMT_RGB32, PIX_FMT_YUVA420P, rgb32_to_yuva420p},
{PIX_FMT_RGB32, PIX_FMT_NV12, rgb32_to_nv12},
{PIX_FMT_RGB32, PIX_FMT_NV21, rgb32_to_nv21},
{PIX_FMT_RGB32, PIX_FMT_Y800, rgb32_to_y800},
......@@ -2912,6 +3217,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_xRGB32, PIX_FMT_RGB24, xrgb32_to_rgb24},
{PIX_FMT_xRGB32, PIX_FMT_PAL8, xrgb32_to_pal8},
{PIX_FMT_xRGB32, PIX_FMT_YUV420P, xrgb32_to_yuv420p},
{PIX_FMT_xRGB32, PIX_FMT_YUVA420P, xrgb32_to_yuva420p},
{PIX_FMT_xRGB32, PIX_FMT_NV12, xrgb32_to_nv12},
{PIX_FMT_xRGB32, PIX_FMT_NV21, xrgb32_to_nv21},
{PIX_FMT_xRGB32, PIX_FMT_Y800, xrgb32_to_y800},
......@@ -2930,6 +3236,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_RGBA32, PIX_FMT_RGB555, rgba32_to_rgb555},
{PIX_FMT_RGBA32, PIX_FMT_PAL8, rgba32_to_pal8},
{PIX_FMT_RGBA32, PIX_FMT_YUV420P, rgba32_to_yuv420p},
{PIX_FMT_RGBA32, PIX_FMT_YUVA420P, rgba32_to_yuva420p},
{PIX_FMT_RGBA32, PIX_FMT_NV12, rgba32_to_nv12},
{PIX_FMT_RGBA32, PIX_FMT_NV21, rgba32_to_nv21},
{PIX_FMT_RGBA32, PIX_FMT_Y800, rgba32_to_y800},
......@@ -2941,6 +3248,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_BGR24, PIX_FMT_RGB24, bgr24_to_rgb24},
{PIX_FMT_BGR24, PIX_FMT_YUV420P, bgr24_to_yuv420p},
{PIX_FMT_BGR24, PIX_FMT_YUVA420P, bgr24_to_yuva420p},
{PIX_FMT_BGR24, PIX_FMT_NV12, bgr24_to_nv12},
{PIX_FMT_BGR24, PIX_FMT_NV21, bgr24_to_nv21},
{PIX_FMT_BGR24, PIX_FMT_Y800, bgr24_to_y800},
......@@ -2952,6 +3260,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_BGR32, PIX_FMT_RGB24, bgr32_to_rgb24},
{PIX_FMT_BGR32, PIX_FMT_RGBA32, bgr32_to_rgba32},
{PIX_FMT_BGR32, PIX_FMT_YUV420P, bgr32_to_yuv420p},
{PIX_FMT_BGR32, PIX_FMT_YUVA420P, bgr32_to_yuva420p},
{PIX_FMT_BGR32, PIX_FMT_NV12, bgr32_to_nv12},
{PIX_FMT_BGR32, PIX_FMT_NV21, bgr32_to_nv21},
{PIX_FMT_BGR32, PIX_FMT_Y800, bgr32_to_y800},
......@@ -2963,6 +3272,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_BGRx32, PIX_FMT_RGB24, bgrx32_to_rgb24},
{PIX_FMT_BGRx32, PIX_FMT_RGBA32, bgrx32_to_rgba32},
{PIX_FMT_BGRx32, PIX_FMT_YUV420P, bgrx32_to_yuv420p},
{PIX_FMT_BGRx32, PIX_FMT_YUVA420P, bgrx32_to_yuva420p},
{PIX_FMT_BGRx32, PIX_FMT_NV12, bgrx32_to_nv12},
{PIX_FMT_BGRx32, PIX_FMT_NV21, bgrx32_to_nv21},
{PIX_FMT_BGRx32, PIX_FMT_Y800, bgrx32_to_y800},
......@@ -2974,6 +3284,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_BGRA32, PIX_FMT_RGB24, bgra32_to_rgb24},
{PIX_FMT_BGRA32, PIX_FMT_RGBA32, bgra32_to_rgba32},
{PIX_FMT_BGRA32, PIX_FMT_YUV420P, bgra32_to_yuv420p},
{PIX_FMT_BGRA32, PIX_FMT_YUVA420P, bgra32_to_yuva420p},
{PIX_FMT_BGRA32, PIX_FMT_NV12, bgra32_to_nv12},
{PIX_FMT_BGRA32, PIX_FMT_NV21, bgra32_to_nv21},
{PIX_FMT_BGRA32, PIX_FMT_Y800, bgra32_to_y800},
......@@ -2986,6 +3297,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_ABGR32, PIX_FMT_RGB24, abgr32_to_rgb24},
{PIX_FMT_ABGR32, PIX_FMT_RGBA32, abgr32_to_rgba32},
{PIX_FMT_ABGR32, PIX_FMT_YUV420P, abgr32_to_yuv420p},
{PIX_FMT_ABGR32, PIX_FMT_YUVA420P, abgr32_to_yuva420p},
{PIX_FMT_ABGR32, PIX_FMT_NV12, abgr32_to_nv12},
{PIX_FMT_ABGR32, PIX_FMT_NV21, abgr32_to_nv21},
{PIX_FMT_ABGR32, PIX_FMT_Y800, abgr32_to_y800},
......@@ -2998,6 +3310,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_ARGB32, PIX_FMT_RGB24, argb32_to_rgb24},
{PIX_FMT_ARGB32, PIX_FMT_RGBA32, argb32_to_rgba32},
{PIX_FMT_ARGB32, PIX_FMT_YUV420P, argb32_to_yuv420p},
{PIX_FMT_ARGB32, PIX_FMT_YUVA420P, argb32_to_yuva420p},
{PIX_FMT_ARGB32, PIX_FMT_NV12, argb32_to_nv12},
{PIX_FMT_ARGB32, PIX_FMT_NV21, argb32_to_nv21},
{PIX_FMT_ARGB32, PIX_FMT_Y800, argb32_to_y800},
......@@ -3011,6 +3324,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_RGB555, PIX_FMT_RGB32, rgb555_to_rgba32},
{PIX_FMT_RGB555, PIX_FMT_RGBA32, rgb555_to_rgba32},
{PIX_FMT_RGB555, PIX_FMT_YUV420P, rgb555_to_yuv420p},
{PIX_FMT_RGB555, PIX_FMT_YUVA420P, rgb555_to_yuva420p},
{PIX_FMT_RGB555, PIX_FMT_NV12, rgb555_to_nv12},
{PIX_FMT_RGB555, PIX_FMT_NV21, rgb555_to_nv21},
{PIX_FMT_RGB555, PIX_FMT_Y800, rgb555_to_y800},
......@@ -3021,6 +3335,7 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_RGB565, PIX_FMT_RGB24, rgb565_to_rgb24},
{PIX_FMT_RGB565, PIX_FMT_YUV420P, rgb565_to_yuv420p},
{PIX_FMT_RGB565, PIX_FMT_YUVA420P, rgb565_to_yuva420p},
{PIX_FMT_RGB565, PIX_FMT_NV12, rgb565_to_nv12},
{PIX_FMT_RGB565, PIX_FMT_NV21, rgb565_to_nv21},
{PIX_FMT_RGB565, PIX_FMT_Y800, rgb565_to_y800},
......@@ -3130,6 +3445,23 @@ static ConvertEntry convert_table[] = {
{PIX_FMT_AYUV4444, PIX_FMT_BGRA32, ayuv4444_to_bgra32},
{PIX_FMT_AYUV4444, PIX_FMT_ABGR32, ayuv4444_to_abgr32},
{PIX_FMT_AYUV4444, PIX_FMT_RGB24, ayuv4444_to_rgb24},
{PIX_FMT_AYUV4444, PIX_FMT_YUVA420P, ayuv4444_to_yuva420p},
{PIX_FMT_YUVA420P, PIX_FMT_YUV420P, yuva420p_to_yuv420p},
{PIX_FMT_YUVA420P, PIX_FMT_YUV422, yuva420p_to_yuv422},
{PIX_FMT_YUVA420P, PIX_FMT_AYUV4444, yuva420p_to_ayuv4444},
{PIX_FMT_YUVA420P, PIX_FMT_RGB555, yuva420p_to_rgb555},
{PIX_FMT_YUVA420P, PIX_FMT_RGB565, yuva420p_to_rgb565},
{PIX_FMT_YUVA420P, PIX_FMT_BGR24, yuva420p_to_bgr24},
{PIX_FMT_YUVA420P, PIX_FMT_RGB24, yuva420p_to_rgb24},
{PIX_FMT_YUVA420P, PIX_FMT_RGB32, yuva420p_to_rgb32},
{PIX_FMT_YUVA420P, PIX_FMT_BGR32, yuva420p_to_bgr32},
{PIX_FMT_YUVA420P, PIX_FMT_xRGB32, yuva420p_to_xrgb32},
{PIX_FMT_YUVA420P, PIX_FMT_BGRx32, yuva420p_to_bgrx32},
{PIX_FMT_YUVA420P, PIX_FMT_RGBA32, yuva420p_to_rgba32},
{PIX_FMT_YUVA420P, PIX_FMT_BGRA32, yuva420p_to_bgra32},
{PIX_FMT_YUVA420P, PIX_FMT_ARGB32, yuva420p_to_argb32},
{PIX_FMT_YUVA420P, PIX_FMT_ABGR32, yuva420p_to_abgr32},
};
static ConvertEntry *
......
......@@ -232,6 +232,129 @@ static void glue (yuv420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
}
}
#ifndef RGBA_OUT
#define RGBA_OUT_(d, r, g, b, a) RGB_OUT(d, r, g, b)
#define YUVA_TO_A(d, a)
#else
#define RGBA_OUT_(d, r, g, b, a) RGBA_OUT(d, r, g, b, a)
#define YUVA_TO_A(d, a) do { d = a; } while (0);
#endif
static void glue (yuva420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *a1_ptr, *a2_ptr;
uint8_t *d, *d1, *d2;
int w, y, cb, cr, r_add, g_add, b_add, width2;
uint8_t *cm = cropTbl + MAX_NEG_CROP;
unsigned int r, g, b;
#ifdef RGBA_OUT
unsigned int a = 0;
#endif
d = dst->data[0];
y1_ptr = src->data[0];
cb_ptr = src->data[1];
cr_ptr = src->data[2];
a1_ptr = src->data[3];
width2 = (width + 1) >> 1;
for (; height >= 2; height -= 2) {
d1 = d;
d2 = d + dst->linesize[0];
y2_ptr = y1_ptr + src->linesize[0];
a2_ptr = a1_ptr + src->linesize[3];
for (w = width; w >= 2; w -= 2) {
YUVA_TO_A (a, a1_ptr[0]);
YUV_TO_RGB1_CCIR (cb_ptr[0], cr_ptr[0]);
/* output 4 pixels */
YUV_TO_RGB2_CCIR (r, g, b, y1_ptr[0]);
RGBA_OUT_ (d1, r, g, b, a);
YUVA_TO_A (a, a1_ptr[1]);
YUV_TO_RGB2_CCIR (r, g, b, y1_ptr[1]);
RGBA_OUT_ (d1 + BPP, r, g, b, a);
YUVA_TO_A (a, a2_ptr[0]);
YUV_TO_RGB2_CCIR (r, g, b, y2_ptr[0]);
RGBA_OUT_ (d2, r, g, b, a);
YUVA_TO_A (a, a2_ptr[1]);
YUV_TO_RGB2_CCIR (r, g, b, y2_ptr[1]);
RGBA_OUT_ (d2 + BPP, r, g, b, a);
d1 += 2 * BPP;
d2 += 2 * BPP;
y1_ptr += 2;
y2_ptr += 2;
cb_ptr++;
cr_ptr++;
a1_ptr += 2;
a2_ptr += 2;
}
/* handle odd width */
if (w) {
YUVA_TO_A (a, a1_ptr[0]);
YUV_TO_RGB1_CCIR (cb_ptr[0], cr_ptr[0]);
YUV_TO_RGB2_CCIR (r, g, b, y1_ptr[0]);
RGBA_OUT_ (d1, r, g, b, a);
YUVA_TO_A (a, a2_ptr[0]);
YUV_TO_RGB2_CCIR (r, g, b, y2_ptr[0]);
RGBA_OUT_ (d2, r, g, b, a);
d1 += BPP;
d2 += BPP;
y1_ptr++;
y2_ptr++;
cb_ptr++;
cr_ptr++;
a1_ptr++;
a2_ptr++;
}
d += 2 * dst->linesize[0];
y1_ptr += 2 * src->linesize[0] - width;
cb_ptr += src->linesize[1] - width2;
cr_ptr += src->linesize[2] - width2;
a1_ptr += 2 * src->linesize[3] - width;