* Misc image convertion routines
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard.
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file imgconvert.c
+ * Misc image convertion routines.
*/
+
+/* TODO:
+ * - write 'ffimg' program to test all the image related stuff
+ * - move all api to slice based system
+ * - integrate deinterlacing, postprocessing and scaling in the conversion process
+ */
+
#include "avcodec.h"
#include "dsputil.h"
#ifdef USE_FASTMEMCPY
-#include "fastmemcpy.h"
+#include "libvo/fastmemcpy.h"
#endif
#ifdef HAVE_MMX
#include "i386/mmx.h"
#endif
+#define xglue(x, y) x ## y
+#define glue(x, y) xglue(x, y)
+
+#define FF_COLOR_RGB 0 /**< RGB color space */
+#define FF_COLOR_GRAY 1 /**< gray color space */
+#define FF_COLOR_YUV 2 /**< YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */
+#define FF_COLOR_YUV_JPEG 3 /**< YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */
+
+#define FF_PIXEL_PLANAR 0 /**< each channel has one component in AVPicture */
+#define FF_PIXEL_PACKED 1 /**< only one components containing all the channels */
+#define FF_PIXEL_PALETTE 2 /**< one components containing indexes for a palette */
+
typedef struct PixFmtInfo {
const char *name;
- UINT8 nb_components; /* number of components in AVPicture array */
- UINT8 is_yuv : 1; /* true if YUV instead of RGB color space */
- UINT8 is_packed : 1; /* true if multiple components in same word */
- UINT8 is_paletted : 1; /* true if paletted */
- UINT8 is_alpha : 1; /* true if alpha can be specified */
- UINT8 is_gray : 1; /* true if gray or monochrome format */
- UINT8 x_chroma_shift; /* X chroma subsampling factor is 2 ^ shift */
- UINT8 y_chroma_shift; /* Y chroma subsampling factor is 2 ^ shift */
+ uint8_t nb_channels; /**< number of channels (including alpha) */
+ uint8_t color_type; /**< color type (see FF_COLOR_xxx constants) */
+ uint8_t pixel_type; /**< pixel storage type (see FF_PIXEL_xxx constants) */
+ uint8_t is_alpha : 1; /**< true if alpha can be specified */
+ uint8_t x_chroma_shift; /**< X chroma subsampling factor is 2 ^ shift */
+ uint8_t y_chroma_shift; /**< Y chroma subsampling factor is 2 ^ shift */
+ uint8_t depth; /**< bit depth of the color components */
} PixFmtInfo;
/* this table gives more information about formats */
-static PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
+static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
/* YUV formats */
[PIX_FMT_YUV420P] = {
.name = "yuv420p",
- .nb_components = 3, .is_yuv = 1,
- .x_chroma_shift = 1, .y_chroma_shift = 1,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 1,
},
[PIX_FMT_YUV422P] = {
.name = "yuv422p",
- .nb_components = 3, .is_yuv = 1,
- .x_chroma_shift = 1, .y_chroma_shift = 0,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 0,
},
[PIX_FMT_YUV444P] = {
.name = "yuv444p",
- .nb_components = 3, .is_yuv = 1,
- .x_chroma_shift = 0, .y_chroma_shift = 0,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_YUYV422] = {
+ .name = "yuyv422",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 0,
},
- [PIX_FMT_YUV422] = {
- .name = "yuv422",
- .nb_components = 1, .is_yuv = 1, .is_packed = 1,
+ [PIX_FMT_UYVY422] = {
+ .name = "uyvy422",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 0,
},
[PIX_FMT_YUV410P] = {
.name = "yuv410p",
- .nb_components = 3, .is_yuv = 1,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
.x_chroma_shift = 2, .y_chroma_shift = 2,
},
[PIX_FMT_YUV411P] = {
.name = "yuv411p",
- .nb_components = 3, .is_yuv = 1,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
.x_chroma_shift = 2, .y_chroma_shift = 0,
},
+ /* JPEG YUV */
+ [PIX_FMT_YUVJ420P] = {
+ .name = "yuvj420p",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV_JPEG,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 1,
+ },
+ [PIX_FMT_YUVJ422P] = {
+ .name = "yuvj422p",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV_JPEG,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_YUVJ444P] = {
+ .name = "yuvj444p",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV_JPEG,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+
/* RGB formats */
[PIX_FMT_RGB24] = {
.name = "rgb24",
- .nb_components = 1, .is_packed = 1,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_BGR24] = {
.name = "bgr24",
- .nb_components = 1, .is_packed = 1,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
},
- [PIX_FMT_RGBA32] = {
- .name = "rgba32",
- .nb_components = 1, .is_packed = 1, .is_alpha = 1,
+ [PIX_FMT_RGB32] = {
+ .name = "rgb32",
+ .nb_channels = 4, .is_alpha = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB565] = {
.name = "rgb565",
- .nb_components = 1, .is_packed = 1,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 5,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB555] = {
.name = "rgb555",
- .nb_components = 1, .is_packed = 1, .is_alpha = 1,
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 5,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
},
/* gray / mono formats */
+ [PIX_FMT_GRAY16BE] = {
+ .name = "gray16be",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_GRAY,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 16,
+ },
+ [PIX_FMT_GRAY16LE] = {
+ .name = "gray16le",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_GRAY,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 16,
+ },
[PIX_FMT_GRAY8] = {
.name = "gray",
- .nb_components = 1, .is_gray = 1,
+ .nb_channels = 1,
+ .color_type = FF_COLOR_GRAY,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
},
[PIX_FMT_MONOWHITE] = {
.name = "monow",
- .nb_components = 1, .is_packed = 1, .is_gray = 1,
+ .nb_channels = 1,
+ .color_type = FF_COLOR_GRAY,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 1,
},
[PIX_FMT_MONOBLACK] = {
.name = "monob",
- .nb_components = 1, .is_packed = 1, .is_gray = 1,
+ .nb_channels = 1,
+ .color_type = FF_COLOR_GRAY,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 1,
+ },
+
+ /* paletted formats */
+ [PIX_FMT_PAL8] = {
+ .name = "pal8",
+ .nb_channels = 4, .is_alpha = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PALETTE,
+ .depth = 8,
+ },
+ [PIX_FMT_XVMC_MPEG2_MC] = {
+ .name = "xvmcmc",
+ },
+ [PIX_FMT_XVMC_MPEG2_IDCT] = {
+ .name = "xvmcidct",
+ },
+ [PIX_FMT_UYYVYY411] = {
+ .name = "uyyvyy411",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 2, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_BGR32] = {
+ .name = "bgr32",
+ .nb_channels = 4, .is_alpha = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_BGR565] = {
+ .name = "bgr565",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 5,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_BGR555] = {
+ .name = "bgr555",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 5,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_RGB8] = {
+ .name = "rgb8",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_RGB4] = {
+ .name = "rgb4",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 4,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_RGB4_BYTE] = {
+ .name = "rgb4_byte",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_BGR8] = {
+ .name = "bgr8",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_BGR4] = {
+ .name = "bgr4",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 4,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_BGR4_BYTE] = {
+ .name = "bgr4_byte",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_NV12] = {
+ .name = "nv12",
+ .nb_channels = 2,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 1,
+ },
+ [PIX_FMT_NV21] = {
+ .name = "nv12",
+ .nb_channels = 2,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 1,
+ },
+
+ [PIX_FMT_BGR32_1] = {
+ .name = "bgr32_1",
+ .nb_channels = 4, .is_alpha = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_RGB32_1] = {
+ .name = "rgb32_1",
+ .nb_channels = 4, .is_alpha = 1,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
},
};
void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift)
{
- if (pix_fmt_info[pix_fmt].is_yuv) {
- *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift;
- *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift;
- } else {
- *h_shift=0;
- *v_shift=0;
- }
+ *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift;
+ *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift;
}
const char *avcodec_get_pix_fmt_name(int pix_fmt)
return pix_fmt_info[pix_fmt].name;
}
-/* Picture field are filled with 'ptr' addresses. Also return size */
-int avpicture_fill(AVPicture *picture, UINT8 *ptr,
+enum PixelFormat avcodec_get_pix_fmt(const char* name)
+{
+ int i;
+
+ for (i=0; i < PIX_FMT_NB; i++)
+ if (!strcmp(pix_fmt_info[i].name, name))
+ break;
+ return i;
+}
+
+int avpicture_fill(AVPicture *picture, uint8_t *ptr,
int pix_fmt, int width, int height)
{
int size, w2, h2, size2;
- PixFmtInfo *pinfo;
-
+ const PixFmtInfo *pinfo;
+
+ if(avcodec_check_dimensions(NULL, width, height))
+ goto fail;
+
pinfo = &pix_fmt_info[pix_fmt];
size = width * height;
switch(pix_fmt) {
case PIX_FMT_YUV444P:
case PIX_FMT_YUV410P:
case PIX_FMT_YUV411P:
+ case PIX_FMT_YUVJ420P:
+ case PIX_FMT_YUVJ422P:
+ case PIX_FMT_YUVJ444P:
w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
size2 = w2 * h2;
picture->linesize[1] = w2;
picture->linesize[2] = w2;
return size + 2 * size2;
+ case PIX_FMT_NV12:
+ case PIX_FMT_NV21:
+ w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
+ h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+ size2 = w2 * h2 * 2;
+ picture->data[0] = ptr;
+ picture->data[1] = picture->data[0] + size;
+ picture->data[2] = NULL;
+ picture->linesize[0] = width;
+ picture->linesize[1] = w2;
+ picture->linesize[2] = 0;
+ return size + 2 * size2;
case PIX_FMT_RGB24:
case PIX_FMT_BGR24:
picture->data[0] = ptr;
picture->data[2] = NULL;
picture->linesize[0] = width * 3;
return size * 3;
- case PIX_FMT_RGBA32:
+ case PIX_FMT_RGB32:
+ case PIX_FMT_BGR32:
+ case PIX_FMT_RGB32_1:
+ case PIX_FMT_BGR32_1:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = width * 4;
return size * 4;
+ case PIX_FMT_GRAY16BE:
+ case PIX_FMT_GRAY16LE:
+ case PIX_FMT_BGR555:
+ case PIX_FMT_BGR565:
case PIX_FMT_RGB555:
case PIX_FMT_RGB565:
- case PIX_FMT_YUV422:
+ case PIX_FMT_YUYV422:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = width * 2;
return size * 2;
+ case PIX_FMT_UYVY422:
+ picture->data[0] = ptr;
+ picture->data[1] = NULL;
+ picture->data[2] = NULL;
+ picture->linesize[0] = width * 2;
+ return size * 2;
+ case PIX_FMT_UYYVYY411:
+ picture->data[0] = ptr;
+ picture->data[1] = NULL;
+ picture->data[2] = NULL;
+ picture->linesize[0] = width + width/2;
+ return size + size/2;
+ case PIX_FMT_RGB8:
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB4_BYTE:
+ case PIX_FMT_BGR4_BYTE:
case PIX_FMT_GRAY8:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = width;
return size;
+ case PIX_FMT_RGB4:
+ case PIX_FMT_BGR4:
+ picture->data[0] = ptr;
+ picture->data[1] = NULL;
+ picture->data[2] = NULL;
+ picture->linesize[0] = width / 2;
+ return size / 2;
case PIX_FMT_MONOWHITE:
case PIX_FMT_MONOBLACK:
picture->data[0] = ptr;
picture->data[2] = NULL;
picture->linesize[0] = (width + 7) >> 3;
return picture->linesize[0] * height;
+ case PIX_FMT_PAL8:
+ size2 = (size + 3) & ~3;
+ picture->data[0] = ptr;
+ picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */
+ picture->data[2] = NULL;
+ picture->linesize[0] = width;
+ picture->linesize[1] = 4;
+ return size2 + 256 * 4;
default:
+fail:
picture->data[0] = NULL;
picture->data[1] = NULL;
picture->data[2] = NULL;
+ picture->data[3] = NULL;
return -1;
}
}
+int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
+ unsigned char *dest, int dest_size)
+{
+ const PixFmtInfo* pf = &pix_fmt_info[pix_fmt];
+ int i, j, w, h, data_planes;
+ const unsigned char* s;
+ int size = avpicture_get_size(pix_fmt, width, height);
+
+ if (size > dest_size || size < 0)
+ return -1;
+
+ if (pf->pixel_type == FF_PIXEL_PACKED || pf->pixel_type == FF_PIXEL_PALETTE) {
+ if (pix_fmt == PIX_FMT_YUYV422 ||
+ pix_fmt == PIX_FMT_UYVY422 ||
+ pix_fmt == PIX_FMT_BGR565 ||
+ pix_fmt == PIX_FMT_BGR555 ||
+ pix_fmt == PIX_FMT_RGB565 ||
+ pix_fmt == PIX_FMT_RGB555)
+ w = width * 2;
+ else if (pix_fmt == PIX_FMT_UYYVYY411)
+ w = width + width/2;
+ else if (pix_fmt == PIX_FMT_PAL8)
+ w = width;
+ else
+ w = width * (pf->depth * pf->nb_channels / 8);
+
+ data_planes = 1;
+ h = height;
+ } else {
+ data_planes = pf->nb_channels;
+ w = (width*pf->depth + 7)/8;
+ h = height;
+ }
+
+ for (i=0; i<data_planes; i++) {
+ if (i == 1) {
+ w = width >> pf->x_chroma_shift;
+ h = height >> pf->y_chroma_shift;
+ }
+ s = src->data[i];
+ for(j=0; j<h; j++) {
+ memcpy(dest, s, w);
+ dest += w;
+ s += src->linesize[i];
+ }
+ }
+
+ if (pf->pixel_type == FF_PIXEL_PALETTE)
+ memcpy((unsigned char *)(((size_t)dest + 3) & ~3), src->data[1], 256 * 4);
+
+ return size;
+}
+
int avpicture_get_size(int pix_fmt, int width, int height)
{
AVPicture dummy_pict;
return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height);
}
+int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,
+ int has_alpha)
+{
+ const PixFmtInfo *pf, *ps;
+ int loss;
+
+ ps = &pix_fmt_info[src_pix_fmt];
+ pf = &pix_fmt_info[dst_pix_fmt];
+
+ /* compute loss */
+ loss = 0;
+ pf = &pix_fmt_info[dst_pix_fmt];
+ if (pf->depth < ps->depth ||
+ (dst_pix_fmt == PIX_FMT_RGB555 && src_pix_fmt == PIX_FMT_RGB565))
+ loss |= FF_LOSS_DEPTH;
+ if (pf->x_chroma_shift > ps->x_chroma_shift ||
+ pf->y_chroma_shift > ps->y_chroma_shift)
+ loss |= FF_LOSS_RESOLUTION;
+ switch(pf->color_type) {
+ case FF_COLOR_RGB:
+ if (ps->color_type != FF_COLOR_RGB &&
+ ps->color_type != FF_COLOR_GRAY)
+ loss |= FF_LOSS_COLORSPACE;
+ break;
+ case FF_COLOR_GRAY:
+ if (ps->color_type != FF_COLOR_GRAY)
+ loss |= FF_LOSS_COLORSPACE;
+ break;
+ case FF_COLOR_YUV:
+ if (ps->color_type != FF_COLOR_YUV)
+ loss |= FF_LOSS_COLORSPACE;
+ break;
+ case FF_COLOR_YUV_JPEG:
+ if (ps->color_type != FF_COLOR_YUV_JPEG &&
+ ps->color_type != FF_COLOR_YUV &&
+ ps->color_type != FF_COLOR_GRAY)
+ loss |= FF_LOSS_COLORSPACE;
+ break;
+ default:
+ /* fail safe test */
+ if (ps->color_type != pf->color_type)
+ loss |= FF_LOSS_COLORSPACE;
+ break;
+ }
+ if (pf->color_type == FF_COLOR_GRAY &&
+ ps->color_type != FF_COLOR_GRAY)
+ loss |= FF_LOSS_CHROMA;
+ if (!pf->is_alpha && (ps->is_alpha && has_alpha))
+ loss |= FF_LOSS_ALPHA;
+ if (pf->pixel_type == FF_PIXEL_PALETTE &&
+ (ps->pixel_type != FF_PIXEL_PALETTE && ps->color_type != FF_COLOR_GRAY))
+ loss |= FF_LOSS_COLORQUANT;
+ return loss;
+}
+
+static int avg_bits_per_pixel(int pix_fmt)
+{
+ int bits;
+ const PixFmtInfo *pf;
+
+ pf = &pix_fmt_info[pix_fmt];
+ switch(pf->pixel_type) {
+ case FF_PIXEL_PACKED:
+ switch(pix_fmt) {
+ case PIX_FMT_YUYV422:
+ case PIX_FMT_UYVY422:
+ case PIX_FMT_RGB565:
+ case PIX_FMT_RGB555:
+ case PIX_FMT_BGR565:
+ case PIX_FMT_BGR555:
+ bits = 16;
+ break;
+ case PIX_FMT_UYYVYY411:
+ bits = 12;
+ break;
+ default:
+ bits = pf->depth * pf->nb_channels;
+ break;
+ }
+ break;
+ case FF_PIXEL_PLANAR:
+ if (pf->x_chroma_shift == 0 && pf->y_chroma_shift == 0) {
+ bits = pf->depth * pf->nb_channels;
+ } else {
+ bits = pf->depth + ((2 * pf->depth) >>
+ (pf->x_chroma_shift + pf->y_chroma_shift));
+ }
+ break;
+ case FF_PIXEL_PALETTE:
+ bits = 8;
+ break;
+ default:
+ bits = -1;
+ break;
+ }
+ return bits;
+}
+
+static int avcodec_find_best_pix_fmt1(int pix_fmt_mask,
+ int src_pix_fmt,
+ int has_alpha,
+ int loss_mask)
+{
+ int dist, i, loss, min_dist, dst_pix_fmt;
+
+ /* find exact color match with smallest size */
+ dst_pix_fmt = -1;
+ min_dist = 0x7fffffff;
+ for(i = 0;i < PIX_FMT_NB; i++) {
+ if (pix_fmt_mask & (1 << i)) {
+ loss = avcodec_get_pix_fmt_loss(i, src_pix_fmt, has_alpha) & loss_mask;
+ if (loss == 0) {
+ dist = avg_bits_per_pixel(i);
+ if (dist < min_dist) {
+ min_dist = dist;
+ dst_pix_fmt = i;
+ }
+ }
+ }
+ }
+ return dst_pix_fmt;
+}
+
+int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt,
+ int has_alpha, int *loss_ptr)
+{
+ int dst_pix_fmt, loss_mask, i;
+ static const int loss_mask_order[] = {
+ ~0, /* no loss first */
+ ~FF_LOSS_ALPHA,
+ ~FF_LOSS_RESOLUTION,
+ ~(FF_LOSS_COLORSPACE | FF_LOSS_RESOLUTION),
+ ~FF_LOSS_COLORQUANT,
+ ~FF_LOSS_DEPTH,
+ 0,
+ };
+
+ /* try with successive loss */
+ i = 0;
+ for(;;) {
+ loss_mask = loss_mask_order[i++];
+ dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_mask, src_pix_fmt,
+ has_alpha, loss_mask);
+ if (dst_pix_fmt >= 0)
+ goto found;
+ if (loss_mask == 0)
+ break;
+ }
+ return -1;
+ found:
+ if (loss_ptr)
+ *loss_ptr = avcodec_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha);
+ return dst_pix_fmt;
+}
+
+void ff_img_copy_plane(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ if((!dst) || (!src))
+ return;
+ for(;height > 0; height--) {
+ memcpy(dst, src, width);
+ dst += dst_wrap;
+ src += src_wrap;
+ }
+}
+
+void av_picture_copy(AVPicture *dst, const AVPicture *src,
+ int pix_fmt, int width, int height)
+{
+ int bwidth, bits, i;
+ const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
+
+ pf = &pix_fmt_info[pix_fmt];
+ switch(pf->pixel_type) {
+ case FF_PIXEL_PACKED:
+ switch(pix_fmt) {
+ case PIX_FMT_YUYV422:
+ case PIX_FMT_UYVY422:
+ case PIX_FMT_RGB565:
+ case PIX_FMT_RGB555:
+ case PIX_FMT_BGR565:
+ case PIX_FMT_BGR555:
+ bits = 16;
+ break;
+ case PIX_FMT_UYYVYY411:
+ bits = 12;
+ break;
+ default:
+ bits = pf->depth * pf->nb_channels;
+ break;
+ }
+ bwidth = (width * bits + 7) >> 3;
+ ff_img_copy_plane(dst->data[0], dst->linesize[0],
+ src->data[0], src->linesize[0],
+ bwidth, height);
+ break;
+ case FF_PIXEL_PLANAR:
+ for(i = 0; i < pf->nb_channels; i++) {
+ int w, h;
+ w = width;
+ h = height;
+ if (i == 1 || i == 2) {
+ w >>= pf->x_chroma_shift;
+ h >>= pf->y_chroma_shift;
+ }
+ bwidth = (w * pf->depth + 7) >> 3;
+ ff_img_copy_plane(dst->data[i], dst->linesize[i],
+ src->data[i], src->linesize[i],
+ bwidth, h);
+ }
+ break;
+ case FF_PIXEL_PALETTE:
+ ff_img_copy_plane(dst->data[0], dst->linesize[0],
+ src->data[0], src->linesize[0],
+ width, height);
+ /* copy the palette */
+ ff_img_copy_plane(dst->data[1], dst->linesize[1],
+ src->data[1], src->linesize[1],
+ 4, 256);
+ break;
+ }
+}
/* XXX: totally non optimized */
-static void yuv422_to_yuv420p(AVPicture *dst, AVPicture *src,
+static void yuyv422_to_yuv420p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
- UINT8 *lum, *cb, *cr;
- int x, y;
- const UINT8 *p;
-
- lum = dst->data[0];
- cb = dst->data[1];
- cr = dst->data[2];
- p = src->data[0];
-
- for(y=0;y<height;y+=2) {
- for(x=0;x<width;x+=2) {
+ const uint8_t *p, *p1;
+ uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
+ int w;
+
+ p1 = src->data[0];
+ lum1 = dst->data[0];
+ cb1 = dst->data[1];
+ cr1 = dst->data[2];
+
+ for(;height >= 1; height -= 2) {
+ p = p1;
+ lum = lum1;
+ cb = cb1;
+ cr = cr1;
+ for(w = width; w >= 2; w -= 2) {
lum[0] = p[0];
cb[0] = p[1];
lum[1] = p[2];
cb++;
cr++;
}
- for(x=0;x<width;x+=2) {
+ if (w) {
lum[0] = p[0];
+ cb[0] = p[1];
+ cr[0] = p[3];
+ cb++;
+ cr++;
+ }
+ p1 += src->linesize[0];
+ lum1 += dst->linesize[0];
+ if (height>1) {
+ p = p1;
+ lum = lum1;
+ for(w = width; w >= 2; w -= 2) {
+ lum[0] = p[0];
+ lum[1] = p[2];
+ p += 4;
+ lum += 2;
+ }
+ if (w) {
+ lum[0] = p[0];
+ }
+ p1 += src->linesize[0];
+ lum1 += dst->linesize[0];
+ }
+ cb1 += dst->linesize[1];
+ cr1 += dst->linesize[2];
+ }
+}
+
+static void uyvy422_to_yuv420p(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ const uint8_t *p, *p1;
+ uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
+ int w;
+
+ p1 = src->data[0];
+
+ lum1 = dst->data[0];
+ cb1 = dst->data[1];
+ cr1 = dst->data[2];
+
+ for(;height >= 1; height -= 2) {
+ p = p1;
+ lum = lum1;
+ cb = cb1;
+ cr = cr1;
+ for(w = width; w >= 2; w -= 2) {
+ lum[0] = p[1];
+ cb[0] = p[0];
+ lum[1] = p[3];
+ cr[0] = p[2];
+ p += 4;
+ lum += 2;
+ cb++;
+ cr++;
+ }
+ if (w) {
+ lum[0] = p[1];
+ cb[0] = p[0];
+ cr[0] = p[2];
+ cb++;
+ cr++;
+ }
+ p1 += src->linesize[0];
+ lum1 += dst->linesize[0];
+ if (height>1) {
+ p = p1;
+ lum = lum1;
+ for(w = width; w >= 2; w -= 2) {
+ lum[0] = p[1];
+ lum[1] = p[3];
+ p += 4;
+ lum += 2;
+ }
+ if (w) {
+ lum[0] = p[1];
+ }
+ p1 += src->linesize[0];
+ lum1 += dst->linesize[0];
+ }
+ cb1 += dst->linesize[1];
+ cr1 += dst->linesize[2];
+ }
+}
+
+
+static void uyvy422_to_yuv422p(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ const uint8_t *p, *p1;
+ uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
+ int w;
+
+ p1 = src->data[0];
+ lum1 = dst->data[0];
+ cb1 = dst->data[1];
+ cr1 = dst->data[2];
+ for(;height > 0; height--) {
+ p = p1;
+ lum = lum1;
+ cb = cb1;
+ cr = cr1;
+ for(w = width; w >= 2; w -= 2) {
+ lum[0] = p[1];
+ cb[0] = p[0];
+ lum[1] = p[3];
+ cr[0] = p[2];
+ p += 4;
+ lum += 2;
+ cb++;
+ cr++;
+ }
+ p1 += src->linesize[0];
+ lum1 += dst->linesize[0];
+ cb1 += dst->linesize[1];
+ cr1 += dst->linesize[2];
+ }
+}
+
+
+static void yuyv422_to_yuv422p(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ const uint8_t *p, *p1;
+ uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
+ int w;
+
+ p1 = src->data[0];
+ lum1 = dst->data[0];
+ cb1 = dst->data[1];
+ cr1 = dst->data[2];
+ for(;height > 0; height--) {
+ p = p1;
+ lum = lum1;
+ cb = cb1;
+ cr = cr1;
+ for(w = width; w >= 2; w -= 2) {
+ lum[0] = p[0];
+ cb[0] = p[1];
lum[1] = p[2];
+ cr[0] = p[3];
+ p += 4;
+ lum += 2;
+ cb++;
+ cr++;
+ }
+ p1 += src->linesize[0];
+ lum1 += dst->linesize[0];
+ cb1 += dst->linesize[1];
+ cr1 += dst->linesize[2];
+ }
+}
+
+static void yuv422p_to_yuyv422(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ uint8_t *p, *p1;
+ const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
+ int w;
+
+ p1 = dst->data[0];
+ lum1 = src->data[0];
+ cb1 = src->data[1];
+ cr1 = src->data[2];
+ for(;height > 0; height--) {
+ p = p1;
+ lum = lum1;
+ cb = cb1;
+ cr = cr1;
+ for(w = width; w >= 2; w -= 2) {
+ p[0] = lum[0];
+ p[1] = cb[0];
+ p[2] = lum[1];
+ p[3] = cr[0];
p += 4;
lum += 2;
+ cb++;
+ cr++;
+ }
+ p1 += dst->linesize[0];
+ lum1 += src->linesize[0];
+ cb1 += src->linesize[1];
+ cr1 += src->linesize[2];
+ }
+}
+
+static void yuv422p_to_uyvy422(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ uint8_t *p, *p1;
+ const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
+ int w;
+
+ p1 = dst->data[0];
+ lum1 = src->data[0];
+ cb1 = src->data[1];
+ cr1 = src->data[2];
+ for(;height > 0; height--) {
+ p = p1;
+ lum = lum1;
+ cb = cb1;
+ cr = cr1;
+ for(w = width; w >= 2; w -= 2) {
+ p[1] = lum[0];
+ p[0] = cb[0];
+ p[3] = lum[1];
+ p[2] = cr[0];
+ p += 4;
+ lum += 2;
+ cb++;
+ cr++;
+ }
+ p1 += dst->linesize[0];
+ lum1 += src->linesize[0];
+ cb1 += src->linesize[1];
+ cr1 += src->linesize[2];
+ }
+}
+
+static void uyyvyy411_to_yuv411p(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ const uint8_t *p, *p1;
+ uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
+ int w;
+
+ p1 = src->data[0];
+ lum1 = dst->data[0];
+ cb1 = dst->data[1];
+ cr1 = dst->data[2];
+ for(;height > 0; height--) {
+ p = p1;
+ lum = lum1;
+ cb = cb1;
+ cr = cr1;
+ for(w = width; w >= 4; w -= 4) {
+ cb[0] = p[0];
+ lum[0] = p[1];
+ lum[1] = p[2];
+ cr[0] = p[3];
+ lum[2] = p[4];
+ lum[3] = p[5];
+ p += 6;
+ lum += 4;
+ cb++;
+ cr++;
+ }
+ p1 += src->linesize[0];
+ lum1 += dst->linesize[0];
+ cb1 += dst->linesize[1];
+ cr1 += dst->linesize[2];
+ }
+}
+
+
+static void yuv420p_to_yuyv422(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++;
+ }
+
+ linesrc += dst->linesize[0] * 2;
+ lumsrc += src->linesize[0] * 2;
+ cb2 += src->linesize[1];
+ cr2 += src->linesize[2];
+ }
+}
+
+static void yuv420p_to_uyvy422(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++ = *line2++ = *cb1++;
+ *line1++ = *lum1++; *line2++ = *lum2++;
+ *line1++ = *line2++ = *cr1++;
+ *line1++ = *lum1++; *line2++ = *lum2++;
}
+
+ linesrc += dst->linesize[0] * 2;
+ lumsrc += src->linesize[0] * 2;
+ cb2 += src->linesize[1];
+ cr2 += src->linesize[2];
}
}
-#define SCALEBITS 8
+#define SCALEBITS 10
#define ONE_HALF (1 << (SCALEBITS - 1))
-#define FIX(x) ((int) ((x) * (1L<<SCALEBITS) + 0.5))
+#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
+
+#define YUV_TO_RGB1_CCIR(cb1, cr1)\
+{\
+ cb = (cb1) - 128;\
+ cr = (cr1) - 128;\
+ r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;\
+ g_add = - FIX(0.34414*255.0/224.0) * cb - FIX(0.71414*255.0/224.0) * cr + \
+ ONE_HALF;\
+ b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;\
+}
+
+#define YUV_TO_RGB2_CCIR(r, g, b, y1)\
+{\
+ y = ((y1) - 16) * FIX(255.0/219.0);\
+ r = cm[(y + r_add) >> SCALEBITS];\
+ g = cm[(y + g_add) >> SCALEBITS];\
+ b = cm[(y + b_add) >> SCALEBITS];\
+}
+
+#define YUV_TO_RGB1(cb1, cr1)\
+{\
+ cb = (cb1) - 128;\
+ cr = (cr1) - 128;\
+ r_add = FIX(1.40200) * cr + ONE_HALF;\
+ g_add = - FIX(0.34414) * cb - FIX(0.71414) * cr + ONE_HALF;\
+ b_add = FIX(1.77200) * cb + ONE_HALF;\
+}
+
+#define YUV_TO_RGB2(r, g, b, y1)\
+{\
+ y = (y1) << SCALEBITS;\
+ r = cm[(y + r_add) >> SCALEBITS];\
+ g = cm[(y + g_add) >> SCALEBITS];\
+ b = cm[(y + b_add) >> SCALEBITS];\
+}
+
+#define Y_CCIR_TO_JPEG(y)\
+ cm[((y) * FIX(255.0/219.0) + (ONE_HALF - 16 * FIX(255.0/219.0))) >> SCALEBITS]
+
+#define Y_JPEG_TO_CCIR(y)\
+ (((y) * FIX(219.0/255.0) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
+
+#define C_CCIR_TO_JPEG(y)\
+ cm[(((y) - 128) * FIX(127.0/112.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS]
+
+/* NOTE: the clamp is really necessary! */
+static inline int C_JPEG_TO_CCIR(int y) {
+ y = (((y - 128) * FIX(112.0/127.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS);
+ if (y < 16)
+ y = 16;
+ return y;
+}
+
+
+#define RGB_TO_Y(r, g, b) \
+((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
+ FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
+
+#define RGB_TO_U(r1, g1, b1, shift)\
+(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
+ FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
+
+#define RGB_TO_V(r1, g1, b1, shift)\
+(((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
+ FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
+
+#define RGB_TO_Y_CCIR(r, g, b) \
+((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
+ FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
+
+#define RGB_TO_U_CCIR(r1, g1, b1, shift)\
+(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \
+ FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
+
+#define RGB_TO_V_CCIR(r1, g1, b1, shift)\
+(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
+ FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
+
+static uint8_t y_ccir_to_jpeg[256];
+static uint8_t y_jpeg_to_ccir[256];
+static uint8_t c_ccir_to_jpeg[256];
+static uint8_t c_jpeg_to_ccir[256];
+
+/* init various conversion tables */
+static void img_convert_init(void)
+{
+ int i;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+
+ for(i = 0;i < 256; i++) {
+ y_ccir_to_jpeg[i] = Y_CCIR_TO_JPEG(i);
+ y_jpeg_to_ccir[i] = Y_JPEG_TO_CCIR(i);
+ c_ccir_to_jpeg[i] = C_CCIR_TO_JPEG(i);
+ c_jpeg_to_ccir[i] = C_JPEG_TO_CCIR(i);
+ }
+}
+
+/* apply to each pixel the given table */
+static void img_apply_table(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height, const uint8_t *table1)
+{
+ int n;
+ const uint8_t *s;
+ uint8_t *d;
+ const uint8_t *table;
+
+ table = table1;
+ for(;height > 0; height--) {
+ s = src;
+ d = dst;
+ n = width;
+ while (n >= 4) {
+ d[0] = table[s[0]];
+ d[1] = table[s[1]];
+ d[2] = table[s[2]];
+ d[3] = table[s[3]];
+ d += 4;
+ s += 4;
+ n -= 4;
+ }
+ while (n > 0) {
+ d[0] = table[s[0]];
+ d++;
+ s++;
+ n--;
+ }
+ dst += dst_wrap;
+ src += src_wrap;
+ }
+}
/* XXX: use generic filter ? */
+/* XXX: in most cases, the sampling position is incorrect */
+
+/* 4x1 -> 1x1 */
+static void shrink41(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ int w;
+ const uint8_t *s;
+ uint8_t *d;
+
+ for(;height > 0; height--) {
+ s = src;
+ d = dst;
+ for(w = width;w > 0; w--) {
+ d[0] = (s[0] + s[1] + s[2] + s[3] + 2) >> 2;
+ s += 4;
+ d++;
+ }
+ src += src_wrap;
+ dst += dst_wrap;
+ }
+}
+
+/* 2x1 -> 1x1 */
+static void shrink21(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ int w;
+ const uint8_t *s;
+ uint8_t *d;
+
+ for(;height > 0; height--) {
+ s = src;
+ d = dst;
+ for(w = width;w > 0; w--) {
+ d[0] = (s[0] + s[1]) >> 1;
+ s += 2;
+ d++;
+ }
+ src += src_wrap;
+ dst += dst_wrap;
+ }
+}
+
/* 1x2 -> 1x1 */
-static void shrink2(UINT8 *dst, int dst_wrap,
- UINT8 *src, int src_wrap,
- int width, int height)
+static void shrink12(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
{
int w;
- UINT8 *s1, *s2, *d;
+ uint8_t *d;
+ const uint8_t *s1, *s2;
for(;height > 0; height--) {
s1 = src;
}
/* 2x2 -> 1x1 */
-static void shrink22(UINT8 *dst, int dst_wrap,
- UINT8 *src, int src_wrap,
+void ff_shrink22(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
int width, int height)
{
int w;
- UINT8 *s1, *s2, *d;
+ const uint8_t *s1, *s2;
+ uint8_t *d;
for(;height > 0; height--) {
s1 = src;
s2 = s1 + src_wrap;
d = dst;
for(w = width;w >= 4; w-=4) {
- d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 1;
- d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 1;
- d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 1;
- d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 1;
+ d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
+ d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2;
+ d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2;
+ d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2;
s1 += 8;
s2 += 8;
d += 4;
}
for(;w > 0; w--) {
- d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 1;
+ d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
s1 += 2;
s2 += 2;
d++;
}
}
-/* 1x1 -> 2x2 */
-static void grow22(UINT8 *dst, int dst_wrap,
- UINT8 *src, int src_wrap,
+/* 4x4 -> 1x1 */
+void ff_shrink44(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
int width, int height)
{
int w;
- UINT8 *s1, *d;
+ const uint8_t *s1, *s2, *s3, *s4;
+ uint8_t *d;
for(;height > 0; height--) {
s1 = src;
+ s2 = s1 + src_wrap;
+ s3 = s2 + src_wrap;
+ s4 = s3 + src_wrap;
d = dst;
- for(w = width;w >= 4; w-=4) {
- d[1] = d[0] = s1[0];
- d[3] = d[2] = s1[1];
- s1 += 2;
- d += 4;
- }
- for(;w > 0; w--) {
- d[0] = s1[0];
- s1 ++;
+ for(w = width;w > 0; w--) {
+ d[0] = (s1[0] + s1[1] + s1[2] + s1[3] +
+ s2[0] + s2[1] + s2[2] + s2[3] +
+ s3[0] + s3[1] + s3[2] + s3[3] +
+ s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4;
+ s1 += 4;
+ s2 += 4;
+ s3 += 4;
+ s4 += 4;
d++;
}
+ src += 4 * src_wrap;
+ dst += dst_wrap;
+ }
+}
+
+/* 8x8 -> 1x1 */
+void ff_shrink88(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ int w, i;
+
+ for(;height > 0; height--) {
+ for(w = width;w > 0; w--) {
+ int tmp=0;
+ for(i=0; i<8; i++){
+ tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7];
+ src += src_wrap;
+ }
+ *(dst++) = (tmp + 32)>>6;
+ src += 8 - 8*src_wrap;
+ }
+ src += 8*src_wrap - 8*width;
+ dst += dst_wrap - width;
+ }
+}
+
+static void grow21_line(uint8_t *dst, const uint8_t *src,
+ int width)
+{
+ int w;
+ const uint8_t *s1;
+ uint8_t *d;
+
+ s1 = src;
+ d = dst;
+ for(w = width;w >= 4; w-=4) {
+ d[1] = d[0] = s1[0];
+ d[3] = d[2] = s1[1];
+ s1 += 2;
+ d += 4;
+ }
+ for(;w >= 2; w -= 2) {
+ d[1] = d[0] = s1[0];
+ s1 ++;
+ d += 2;
+ }
+ /* only needed if width is not a multiple of two */
+ /* XXX: veryfy that */
+ if (w) {
+ d[0] = s1[0];
+ }
+}
+
+static void grow41_line(uint8_t *dst, const uint8_t *src,
+ int width)
+{
+ int w, v;
+ const uint8_t *s1;
+ uint8_t *d;
+
+ s1 = src;
+ d = dst;
+ for(w = width;w >= 4; w-=4) {
+ v = s1[0];
+ d[0] = v;
+ d[1] = v;
+ d[2] = v;
+ d[3] = v;
+ s1 ++;
+ d += 4;
+ }
+}
+
+/* 1x1 -> 2x1 */
+static void grow21(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ for(;height > 0; height--) {
+ grow21_line(dst, src, width);
+ src += src_wrap;
+ dst += dst_wrap;
+ }
+}
+
+/* 1x1 -> 2x2 */
+static void grow22(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ for(;height > 0; height--) {
+ grow21_line(dst, src, width);
if (height%2)
src += src_wrap;
dst += dst_wrap;
}
}
+/* 1x1 -> 4x1 */
+static void grow41(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ for(;height > 0; height--) {
+ grow41_line(dst, src, width);
+ src += src_wrap;
+ dst += dst_wrap;
+ }
+}
+
+/* 1x1 -> 4x4 */
+static void grow44(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ for(;height > 0; height--) {
+ grow41_line(dst, src, width);
+ if ((height & 3) == 1)
+ src += src_wrap;
+ dst += dst_wrap;
+ }
+}
+
/* 1x2 -> 2x1 */
-static void conv411(UINT8 *dst, int dst_wrap,
- UINT8 *src, int src_wrap,
+static void conv411(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
int width, int height)
{
int w, c;
- UINT8 *s1, *s2, *d;
+ const uint8_t *s1, *s2;
+ uint8_t *d;
+
+ width>>=1;
for(;height > 0; height--) {
s1 = src;
}
}
-static void img_copy(UINT8 *dst, int dst_wrap,
- UINT8 *src, int src_wrap,
- int width, int height)
-{
- for(;height > 0; height--) {
- memcpy(dst, src, width);
- dst += dst_wrap;
- src += src_wrap;
- }
-}
+/* XXX: add jpeg quantize code */
-#define SCALE_BITS 10
+#define TRANSP_INDEX (6*6*6)
-#define C_Y (76309 >> (16 - SCALE_BITS))
-#define C_RV (117504 >> (16 - SCALE_BITS))
-#define C_BU (138453 >> (16 - SCALE_BITS))
-#define C_GU (13954 >> (16 - SCALE_BITS))
-#define C_GV (34903 >> (16 - SCALE_BITS))
+/* this is maybe slow, but allows for extensions */
+static inline unsigned char gif_clut_index(uint8_t r, uint8_t g, uint8_t b)
+{
+ return ((((r)/47)%6)*6*6+(((g)/47)%6)*6+(((b)/47)%6));
+}
-#define YUV_TO_RGB2(r, g, b, y1)\
-{\
- y = (y1 - 16) * C_Y;\
- r = cm[(y + r_add) >> SCALE_BITS];\
- g = cm[(y + g_add) >> SCALE_BITS];\
- b = cm[(y + b_add) >> SCALE_BITS];\
-}
-
-/* XXX: no chroma interpolating is done */
-#define RGB_FUNCTIONS(rgb_name) \
- \
-static void yuv420p_to_ ## rgb_name (AVPicture *dst, AVPicture *src, \
- int width, int height) \
-{ \
- UINT8 *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *d, *d1, *d2; \
- int w, y, cb, cr, r_add, g_add, b_add, width2; \
- UINT8 *cm = cropTbl + MAX_NEG_CROP; \
- unsigned int r, g, b; \
- \
- d = dst->data[0]; \
- y1_ptr = src->data[0]; \
- cb_ptr = src->data[1]; \
- cr_ptr = src->data[2]; \
- width2 = (width + 1) >> 1; \
- for(;height >= 2; height -= 2) { \
- d1 = d; \
- d2 = d + dst->linesize[0]; \
- y2_ptr = y1_ptr + src->linesize[0]; \
- for(w = width; w >= 2; w -= 2) { \
- cb = cb_ptr[0] - 128; \
- cr = cr_ptr[0] - 128; \
- r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
- g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
- b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
- \
- /* output 4 pixels */ \
- YUV_TO_RGB2(r, g, b, y1_ptr[0]); \
- RGB_OUT(d1, r, g, b); \
- \
- YUV_TO_RGB2(r, g, b, y1_ptr[1]); \
- RGB_OUT(d1 + BPP, r, g, b); \
- \
- YUV_TO_RGB2(r, g, b, y2_ptr[0]); \
- RGB_OUT(d2, r, g, b); \
- \
- YUV_TO_RGB2(r, g, b, y2_ptr[1]); \
- RGB_OUT(d2 + BPP, r, g, b); \
- \
- d1 += 2 * BPP; \
- d2 += 2 * BPP; \
- \
- y1_ptr += 2; \
- y2_ptr += 2; \
- cb_ptr++; \
- cr_ptr++; \
- } \
- /* handle odd width */ \
- if (w) { \
- cb = cb_ptr[0] - 128; \
- cr = cr_ptr[0] - 128; \
- r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
- g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
- b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
- \
- YUV_TO_RGB2(r, g, b, y1_ptr[0]); \
- RGB_OUT(d1, r, g, b); \
- \
- YUV_TO_RGB2(r, g, b, y2_ptr[0]); \
- RGB_OUT(d2, r, g, b); \
- d1 += BPP; \
- d2 += BPP; \
- y1_ptr++; \
- y2_ptr++; \
- cb_ptr++; \
- cr_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; \
- } \
- /* handle odd height */ \
- if (height) { \
- d1 = d; \
- for(w = width; w >= 2; w -= 2) { \
- cb = cb_ptr[0] - 128; \
- cr = cr_ptr[0] - 128; \
- r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
- g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
- b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
- \
- /* output 2 pixels */ \
- YUV_TO_RGB2(r, g, b, y1_ptr[0]); \
- RGB_OUT(d1, r, g, b); \
- \
- YUV_TO_RGB2(r, g, b, y1_ptr[1]); \
- RGB_OUT(d1 + BPP, r, g, b); \
- \
- d1 += 2 * BPP; \
- \
- y1_ptr += 2; \
- cb_ptr++; \
- cr_ptr++; \
- } \
- /* handle width */ \
- if (w) { \
- cb = cb_ptr[0] - 128; \
- cr = cr_ptr[0] - 128; \
- r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
- g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
- b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
- \
- /* output 2 pixels */ \
- YUV_TO_RGB2(r, g, b, y1_ptr[0]); \
- RGB_OUT(d1, r, g, b); \
- d1 += BPP; \
- \
- y1_ptr++; \
- cb_ptr++; \
- cr_ptr++; \
- } \
- } \
-} \
- \
-/* XXX: no chroma interpolating is done */ \
-static void yuv422p_to_ ## rgb_name (AVPicture *dst, AVPicture *src, \
- int width, int height) \
-{ \
- UINT8 *y1_ptr, *cb_ptr, *cr_ptr, *d, *d1; \
- int w, y, cb, cr, r_add, g_add, b_add, width2; \
- UINT8 *cm = cropTbl + MAX_NEG_CROP; \
- unsigned int r, g, b; \
- \
- d = dst->data[0]; \
- y1_ptr = src->data[0]; \
- cb_ptr = src->data[1]; \
- cr_ptr = src->data[2]; \
- width2 = (width + 1) >> 1; \
- for(;height > 0; height --) { \
- d1 = d; \
- for(w = width; w >= 2; w -= 2) { \
- cb = cb_ptr[0] - 128; \
- cr = cr_ptr[0] - 128; \
- r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
- g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
- b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
- \
- /* output 2 pixels */ \
- YUV_TO_RGB2(r, g, b, y1_ptr[0]); \
- RGB_OUT(d1, r, g, b); \
- \
- YUV_TO_RGB2(r, g, b, y1_ptr[1]); \
- RGB_OUT(d1 + BPP, r, g, b); \
- \
- d1 += 2 * BPP; \
- \
- y1_ptr += 2; \
- cb_ptr++; \
- cr_ptr++; \
- } \
- /* handle width */ \
- if (w) { \
- cb = cb_ptr[0] - 128; \
- cr = cr_ptr[0] - 128; \
- r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
- g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
- b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
- \
- /* output 2 pixels */ \
- YUV_TO_RGB2(r, g, b, y1_ptr[0]); \
- RGB_OUT(d1, r, g, b); \
- d1 += BPP; \
- \
- y1_ptr++; \
- cb_ptr++; \
- cr_ptr++; \
- } \
- d += dst->linesize[0]; \
- y1_ptr += src->linesize[0] - width; \
- cb_ptr += src->linesize[1] - width2; \
- cr_ptr += src->linesize[2] - width2; \
- } \
-} \
- \
-static void rgb_name ## _to_yuv420p(AVPicture *dst, AVPicture *src, \
- int width, int height) \
-{ \
- int wrap, wrap3, x, y; \
- int r, g, b, r1, g1, b1; \
- UINT8 *lum, *cb, *cr; \
- const UINT8 *p; \
- \
- lum = dst->data[0]; \
- cb = dst->data[1]; \
- cr = dst->data[2]; \
- \
- wrap = dst->linesize[0]; \
- wrap3 = src->linesize[0]; \
- p = src->data[0]; \
- for(y=0;y<height;y+=2) { \
- for(x=0;x<width;x+=2) { \
- RGB_IN(r, g, b, p); \
- r1 = r; \
- g1 = g; \
- b1 = b; \
- lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
- RGB_IN(r, g, b, p + BPP); \
- r1 += r; \
- g1 += g; \
- b1 += b; \
- lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
- p += wrap3; \
- lum += wrap; \
- \
- RGB_IN(r, g, b, p); \
- r1 += r; \
- g1 += g; \
- b1 += b; \
- lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
- \
- RGB_IN(r, g, b, p + BPP); \
- r1 += r; \
- g1 += g; \
- b1 += b; \
- lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
- \
- cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
- FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> \
- (SCALEBITS + 2)) + 128; \
- cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
- FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> \
- (SCALEBITS + 2)) + 128; \
- \
- cb++; \
- cr++; \
- p += -wrap3 + 2 * BPP; \
- lum += -wrap + 2; \
- } \
- p += wrap3 + (wrap3 - width * BPP); \
- lum += wrap + (wrap - width); \
- cb += dst->linesize[1] - width / 2; \
- cr += dst->linesize[2] - width / 2; \
- } \
-} \
- \
-static void rgb_name ## _to_gray(AVPicture *dst, AVPicture *src, \
- int width, int height) \
-{ \
- const unsigned char *p; \
- unsigned char *q; \
- int r, g, b, dst_wrap, src_wrap; \
- int x, y; \
- \
- p = src->data[0]; \
- src_wrap = src->linesize[0] - BPP * width; \
- \
- q = dst->data[0]; \
- dst_wrap = dst->linesize[0] - width; \
- \
- for(y=0;y<height;y++) { \
- for(x=0;x<width;x++) { \
- RGB_IN(r, g, b, p); \
- q[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
- q++; \
- p += BPP; \
- } \
- p += src_wrap; \
- q += dst_wrap; \
- } \
-} \
- \
-static void gray_to_ ## rgb_name(AVPicture *dst, AVPicture *src, \
- int width, int height) \
-{ \
- const unsigned char *p; \
- unsigned char *q; \
- int r, dst_wrap, src_wrap; \
- int x, y; \
- \
- p = src->data[0]; \
- src_wrap = src->linesize[0] - width; \
- \
- q = dst->data[0]; \
- dst_wrap = dst->linesize[0] - BPP * width; \
- \
- for(y=0;y<height;y++) { \
- for(x=0;x<width;x++) { \
- r = p[0]; \
- RGB_OUT(q, r, r, r); \
- q += BPP; \
- p ++; \
- } \
- p += src_wrap; \
- q += dst_wrap; \
- } \
+static void build_rgb_palette(uint8_t *palette, int has_alpha)
+{
+ uint32_t *pal;
+ static const uint8_t pal_value[6] = { 0x00, 0x33, 0x66, 0x99, 0xcc, 0xff };
+ int i, r, g, b;
+
+ pal = (uint32_t *)palette;
+ i = 0;
+ for(r = 0; r < 6; r++) {
+ for(g = 0; g < 6; g++) {
+ for(b = 0; b < 6; b++) {
+ pal[i++] = (0xff << 24) | (pal_value[r] << 16) |
+ (pal_value[g] << 8) | pal_value[b];
+ }
+ }
+ }
+ if (has_alpha)
+ pal[i++] = 0;
+ while (i < 256)
+ pal[i++] = 0xff000000;
}
/* copy bit n to bits 0 ... n - 1 */
/* rgb555 handling */
+#define RGB_NAME rgb555
+
#define RGB_IN(r, g, b, s)\
{\
- unsigned int v = ((UINT16 *)(s))[0];\
+ unsigned int v = ((const uint16_t *)(s))[0];\
r = bitcopy_n(v >> (10 - 3), 3);\
g = bitcopy_n(v >> (5 - 3), 3);\
b = bitcopy_n(v << 3, 3);\
}
+
#define RGB_OUT(d, r, g, b)\
{\
- ((UINT16 *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3) | 0x8000;\
+ ((uint16_t *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);\
}
#define BPP 2
-RGB_FUNCTIONS(rgb555)
-
-#undef RGB_IN
-#undef RGB_OUT
-#undef BPP
+#include "imgconvert_template.h"
/* rgb565 handling */
+#define RGB_NAME rgb565
+
#define RGB_IN(r, g, b, s)\
{\
- unsigned int v = ((UINT16 *)(s))[0];\
+ unsigned int v = ((const uint16_t *)(s))[0];\
r = bitcopy_n(v >> (11 - 3), 3);\
g = bitcopy_n(v >> (5 - 2), 2);\
b = bitcopy_n(v << 3, 3);\
#define RGB_OUT(d, r, g, b)\
{\
- ((UINT16 *)(d))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);\
+ ((uint16_t *)(d))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);\
}
#define BPP 2
-RGB_FUNCTIONS(rgb565)
-
-#undef RGB_IN
-#undef RGB_OUT
-#undef BPP
+#include "imgconvert_template.h"
/* bgr24 handling */
+#define RGB_NAME bgr24
+
#define RGB_IN(r, g, b, s)\
{\
b = (s)[0];\
#define BPP 3
-RGB_FUNCTIONS(bgr24)
+#include "imgconvert_template.h"
#undef RGB_IN
#undef RGB_OUT
/* rgb24 handling */
+#define RGB_NAME rgb24
+#define FMT_RGB24
+
#define RGB_IN(r, g, b, s)\
{\
r = (s)[0];\
#define BPP 3
-RGB_FUNCTIONS(rgb24)
+#include "imgconvert_template.h"
-#undef RGB_IN
-#undef RGB_OUT
-#undef BPP
+/* rgb32 handling */
-/* rgba32 handling */
+#define RGB_NAME rgb32
+#define FMT_RGB32
#define RGB_IN(r, g, b, s)\
{\
- unsigned int v = ((UINT32 *)(s))[0];\
+ unsigned int v = ((const uint32_t *)(s))[0];\
r = (v >> 16) & 0xff;\
g = (v >> 8) & 0xff;\
b = v & 0xff;\
}
-#define RGB_OUT(d, r, g, b)\
+#define RGBA_IN(r, g, b, a, s)\
{\
- ((UINT32 *)(d))[0] = (0xff << 24) | (r << 16) | (g << 8) | b;\
+ unsigned int v = ((const uint32_t *)(s))[0];\
+ a = (v >> 24) & 0xff;\
+ r = (v >> 16) & 0xff;\
+ g = (v >> 8) & 0xff;\
+ b = v & 0xff;\
}
-#define BPP 4
-
-RGB_FUNCTIONS(rgba32)
-
-#undef RGB_IN
-#undef RGB_OUT
-#undef BPP
-
-
-static void rgb24_to_rgb565(AVPicture *dst, AVPicture *src,
- int width, int height)
-{
- const unsigned char *p;
- unsigned char *q;
- int r, g, b, dst_wrap, src_wrap;
- int x, y;
-
- p = src->data[0];
- src_wrap = src->linesize[0] - 3 * width;
-
- q = dst->data[0];
- dst_wrap = dst->linesize[0] - 2 * width;
-
- for(y=0;y<height;y++) {
- for(x=0;x<width;x++) {
- r = p[0];
- g = p[1];
- b = p[2];
-
- ((unsigned short *)q)[0] =
- ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
- q += 2;
- p += 3;
- }
- p += src_wrap;
- q += dst_wrap;
- }
+#define RGBA_OUT(d, r, g, b, a)\
+{\
+ ((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;\
}
-/* NOTE: we also add a dummy alpha bit */
-static void rgb24_to_rgb555(AVPicture *dst, AVPicture *src,
- int width, int height)
-{
- const unsigned char *p;
- unsigned char *q;
- int r, g, b, dst_wrap, src_wrap;
- int x, y;
-
- p = src->data[0];
- src_wrap = src->linesize[0] - 3 * width;
-
- q = dst->data[0];
- dst_wrap = dst->linesize[0] - 2 * width;
+#define BPP 4
- for(y=0;y<height;y++) {
- for(x=0;x<width;x++) {
- r = p[0];
- g = p[1];
- b = p[2];
-
- ((unsigned short *)q)[0] =
- ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3) | 0x8000;
- q += 2;
- p += 3;
- }
- p += src_wrap;
- q += dst_wrap;
- }
-}
+#include "imgconvert_template.h"
-static void mono_to_gray(AVPicture *dst, AVPicture *src,
+static void mono_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height, int xor_mask)
{
const unsigned char *p;
q = dst->data[0];
dst_wrap = dst->linesize[0] - width;
for(y=0;y<height;y++) {
- w = width;
+ w = width;
while (w >= 8) {
v = *p++ ^ xor_mask;
q[0] = -(v >> 7);
}
}
-static void monowhite_to_gray(AVPicture *dst, AVPicture *src,
+static void monowhite_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
mono_to_gray(dst, src, width, height, 0xff);
}
-static void monoblack_to_gray(AVPicture *dst, AVPicture *src,
+static void monoblack_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
mono_to_gray(dst, src, width, height, 0x00);
}
-static void gray_to_mono(AVPicture *dst, AVPicture *src,
+static void gray_to_mono(AVPicture *dst, const AVPicture *src,
int width, int height, int xor_mask)
{
int n;
- const UINT8 *s;
- UINT8 *d;
+ const uint8_t *s;
+ uint8_t *d;
int j, b, v, n1, src_wrap, dst_wrap, y;
s = src->data[0];
d = dst->data[0];
dst_wrap = dst->linesize[0] - ((width + 7) >> 3);
- printf("%d %d\n", width, height);
for(y=0;y<height;y++) {
n = width;
}
}
-static void gray_to_monowhite(AVPicture *dst, AVPicture *src,
+static void gray_to_monowhite(AVPicture *dst, const AVPicture *src,
int width, int height)
{
gray_to_mono(dst, src, width, height, 0xff);
}
-static void gray_to_monoblack(AVPicture *dst, AVPicture *src,
+static void gray_to_monoblack(AVPicture *dst, const AVPicture *src,
int width, int height)
{
gray_to_mono(dst, src, width, height, 0x00);
}
+static void gray_to_gray16(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ int x, y, src_wrap, dst_wrap;
+ uint8_t *s, *d;
+ s = src->data[0];
+ src_wrap = src->linesize[0] - width;
+ d = dst->data[0];
+ dst_wrap = dst->linesize[0] - width * 2;
+ for(y=0; y<height; y++){
+ for(x=0; x<width; x++){
+ *d++ = *s;
+ *d++ = *s++;
+ }
+ s += src_wrap;
+ d += dst_wrap;
+ }
+}
+
+static void gray16_to_gray(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ int x, y, src_wrap, dst_wrap;
+ uint8_t *s, *d;
+ s = src->data[0];
+ src_wrap = src->linesize[0] - width * 2;
+ d = dst->data[0];
+ dst_wrap = dst->linesize[0] - width;
+ for(y=0; y<height; y++){
+ for(x=0; x<width; x++){
+ *d++ = *s;
+ s += 2;
+ }
+ s += src_wrap;
+ d += dst_wrap;
+ }
+}
+
+static void gray16be_to_gray(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ gray16_to_gray(dst, src, width, height);
+}
+
+static void gray16le_to_gray(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ gray16_to_gray(dst, src + 1, width, height);
+}
+
+static void gray16_to_gray16(AVPicture *dst, const AVPicture *src,
+ int width, int height)
+{
+ int x, y, src_wrap, dst_wrap;
+ uint16_t *s, *d;
+ s = src->data[0];
+ src_wrap = (src->linesize[0] - width * 2)/2;
+ d = dst->data[0];
+ dst_wrap = (dst->linesize[0] - width * 2)/2;
+ for(y=0; y<height; y++){
+ for(x=0; x<width; x++){
+ *d++ = bswap_16(*s++);
+ }
+ s += src_wrap;
+ d += dst_wrap;
+ }
+}
+
+
typedef struct ConvertEntry {
- void (*convert)(AVPicture *dst, AVPicture *src, int width, int height);
+ void (*convert)(AVPicture *dst,
+ const AVPicture *src, int width, int height);
} ConvertEntry;
-/* add each new convertion function in this table */
-/* constraints;
- - all non YUV modes must convert at least to and from PIX_FMT_RGB24
+/* Add each new convertion function in this table. In order to be able
+ to convert from any format to any format, the following constraints
+ must be satisfied:
+
+ - all FF_COLOR_RGB formats must convert to and from PIX_FMT_RGB24
+
+ - all FF_COLOR_GRAY formats must convert to and from PIX_FMT_GRAY8
+
+ - all FF_COLOR_RGB formats with alpha must convert to and from PIX_FMT_RGB32
+
+ - PIX_FMT_YUV444P and PIX_FMT_YUVJ444P must convert to and from
+ PIX_FMT_RGB24.
+
+ - PIX_FMT_422 must convert to and from PIX_FMT_422P.
+
+ The other conversion functions are just optimisations for common cases.
*/
-static ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = {
+static const ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = {
[PIX_FMT_YUV420P] = {
- [PIX_FMT_RGB555] = {
+ [PIX_FMT_YUYV422] = {
+ .convert = yuv420p_to_yuyv422,
+ },
+ [PIX_FMT_RGB555] = {
.convert = yuv420p_to_rgb555
},
- [PIX_FMT_RGB565] = {
+ [PIX_FMT_RGB565] = {
.convert = yuv420p_to_rgb565
},
- [PIX_FMT_BGR24] = {
+ [PIX_FMT_BGR24] = {
.convert = yuv420p_to_bgr24
},
- [PIX_FMT_RGB24] = {
+ [PIX_FMT_RGB24] = {
.convert = yuv420p_to_rgb24
},
- [PIX_FMT_RGBA32] = {
- .convert = yuv420p_to_rgba32
+ [PIX_FMT_RGB32] = {
+ .convert = yuv420p_to_rgb32
+ },
+ [PIX_FMT_UYVY422] = {
+ .convert = yuv420p_to_uyvy422,
},
},
[PIX_FMT_YUV422P] = {
- [PIX_FMT_RGB555] = {
- .convert = yuv422p_to_rgb555
+ [PIX_FMT_YUYV422] = {
+ .convert = yuv422p_to_yuyv422,
+ },
+ [PIX_FMT_UYVY422] = {
+ .convert = yuv422p_to_uyvy422,
+ },
+ },
+ [PIX_FMT_YUV444P] = {
+ [PIX_FMT_RGB24] = {
+ .convert = yuv444p_to_rgb24
+ },
+ },
+ [PIX_FMT_YUVJ420P] = {
+ [PIX_FMT_RGB555] = {
+ .convert = yuvj420p_to_rgb555
},
- [PIX_FMT_RGB565] = {
- .convert = yuv422p_to_rgb565
+ [PIX_FMT_RGB565] = {
+ .convert = yuvj420p_to_rgb565
},
- [PIX_FMT_BGR24] = {
- .convert = yuv422p_to_bgr24
+ [PIX_FMT_BGR24] = {
+ .convert = yuvj420p_to_bgr24
},
- [PIX_FMT_RGB24] = {
- .convert = yuv422p_to_rgb24
+ [PIX_FMT_RGB24] = {
+ .convert = yuvj420p_to_rgb24
},
- [PIX_FMT_RGBA32] = {
- .convert = yuv422p_to_rgba32
+ [PIX_FMT_RGB32] = {
+ .convert = yuvj420p_to_rgb32
},
},
- [PIX_FMT_YUV422] = {
- [PIX_FMT_YUV420P] = {
- .convert = yuv422_to_yuv420p,
+ [PIX_FMT_YUVJ444P] = {
+ [PIX_FMT_RGB24] = {
+ .convert = yuvj444p_to_rgb24
+ },
+ },
+ [PIX_FMT_YUYV422] = {
+ [PIX_FMT_YUV420P] = {
+ .convert = yuyv422_to_yuv420p,
+ },
+ [PIX_FMT_YUV422P] = {
+ .convert = yuyv422_to_yuv422p,
+ },
+ },
+ [PIX_FMT_UYVY422] = {
+ [PIX_FMT_YUV420P] = {
+ .convert = uyvy422_to_yuv420p,
+ },
+ [PIX_FMT_YUV422P] = {
+ .convert = uyvy422_to_yuv422p,
},
},
-
[PIX_FMT_RGB24] = {
- [PIX_FMT_YUV420P] = {
+ [PIX_FMT_YUV420P] = {
.convert = rgb24_to_yuv420p
},
- [PIX_FMT_RGB565] = {
+ [PIX_FMT_RGB565] = {
.convert = rgb24_to_rgb565
},
- [PIX_FMT_RGB555] = {
+ [PIX_FMT_RGB555] = {
.convert = rgb24_to_rgb555
},
- [PIX_FMT_GRAY8] = {
+ [PIX_FMT_RGB32] = {
+ .convert = rgb24_to_rgb32
+ },
+ [PIX_FMT_BGR24] = {
+ .convert = rgb24_to_bgr24
+ },
+ [PIX_FMT_GRAY8] = {
.convert = rgb24_to_gray
},
+ [PIX_FMT_PAL8] = {
+ .convert = rgb24_to_pal8
+ },
+ [PIX_FMT_YUV444P] = {
+ .convert = rgb24_to_yuv444p
+ },
+ [PIX_FMT_YUVJ420P] = {
+ .convert = rgb24_to_yuvj420p
+ },
+ [PIX_FMT_YUVJ444P] = {
+ .convert = rgb24_to_yuvj444p
+ },
},
- [PIX_FMT_RGBA32] = {
- [PIX_FMT_YUV420P] = {
- .convert = rgba32_to_yuv420p
+ [PIX_FMT_RGB32] = {
+ [PIX_FMT_RGB24] = {
+ .convert = rgb32_to_rgb24
+ },
+ [PIX_FMT_BGR24] = {
+ .convert = rgb32_to_bgr24
+ },
+ [PIX_FMT_RGB565] = {
+ .convert = rgb32_to_rgb565
+ },
+ [PIX_FMT_RGB555] = {
+ .convert = rgb32_to_rgb555
},
- [PIX_FMT_GRAY8] = {
- .convert = rgba32_to_gray
+ [PIX_FMT_PAL8] = {
+ .convert = rgb32_to_pal8
+ },
+ [PIX_FMT_YUV420P] = {
+ .convert = rgb32_to_yuv420p
+ },
+ [PIX_FMT_GRAY8] = {
+ .convert = rgb32_to_gray
},
},
[PIX_FMT_BGR24] = {
- [PIX_FMT_YUV420P] = {
+ [PIX_FMT_RGB32] = {
+ .convert = bgr24_to_rgb32
+ },
+ [PIX_FMT_RGB24] = {
+ .convert = bgr24_to_rgb24
+ },
+ [PIX_FMT_YUV420P] = {
.convert = bgr24_to_yuv420p
},
- [PIX_FMT_GRAY8] = {
+ [PIX_FMT_GRAY8] = {
.convert = bgr24_to_gray
},
},
[PIX_FMT_RGB555] = {
- [PIX_FMT_YUV420P] = {
+ [PIX_FMT_RGB24] = {
+ .convert = rgb555_to_rgb24
+ },
+ [PIX_FMT_RGB32] = {
+ .convert = rgb555_to_rgb32
+ },
+ [PIX_FMT_YUV420P] = {
.convert = rgb555_to_yuv420p
},
- [PIX_FMT_GRAY8] = {
+ [PIX_FMT_GRAY8] = {
.convert = rgb555_to_gray
},
},
[PIX_FMT_RGB565] = {
- [PIX_FMT_YUV420P] = {
+ [PIX_FMT_RGB32] = {
+ .convert = rgb565_to_rgb32
+ },
+ [PIX_FMT_RGB24] = {
+ .convert = rgb565_to_rgb24
+ },
+ [PIX_FMT_YUV420P] = {
.convert = rgb565_to_yuv420p
},
- [PIX_FMT_GRAY8] = {
+ [PIX_FMT_GRAY8] = {
.convert = rgb565_to_gray
},
},
+ [PIX_FMT_GRAY16BE] = {
+ [PIX_FMT_GRAY8] = {
+ .convert = gray16be_to_gray
+ },
+ [PIX_FMT_GRAY16LE] = {
+ .convert = gray16_to_gray16
+ },
+ },
+ [PIX_FMT_GRAY16LE] = {
+ [PIX_FMT_GRAY8] = {
+ .convert = gray16le_to_gray
+ },
+ [PIX_FMT_GRAY16BE] = {
+ .convert = gray16_to_gray16
+ },
+ },
[PIX_FMT_GRAY8] = {
- [PIX_FMT_RGB555] = {
+ [PIX_FMT_RGB555] = {
.convert = gray_to_rgb555
},
- [PIX_FMT_RGB565] = {
+ [PIX_FMT_RGB565] = {
.convert = gray_to_rgb565
},
- [PIX_FMT_RGB24] = {
+ [PIX_FMT_RGB24] = {
.convert = gray_to_rgb24
},
- [PIX_FMT_BGR24] = {
+ [PIX_FMT_BGR24] = {
.convert = gray_to_bgr24
},
- [PIX_FMT_RGBA32] = {
- .convert = gray_to_rgba32
+ [PIX_FMT_RGB32] = {
+ .convert = gray_to_rgb32
},
- [PIX_FMT_MONOWHITE] = {
+ [PIX_FMT_MONOWHITE] = {
.convert = gray_to_monowhite
},
- [PIX_FMT_MONOBLACK] = {
+ [PIX_FMT_MONOBLACK] = {
.convert = gray_to_monoblack
},
+ [PIX_FMT_GRAY16LE] = {
+ .convert = gray_to_gray16
+ },
+ [PIX_FMT_GRAY16BE] = {
+ .convert = gray_to_gray16
+ },
},
[PIX_FMT_MONOWHITE] = {
- [PIX_FMT_GRAY8] = {
+ [PIX_FMT_GRAY8] = {
.convert = monowhite_to_gray
},
},
[PIX_FMT_MONOBLACK] = {
- [PIX_FMT_GRAY8] = {
+ [PIX_FMT_GRAY8] = {
.convert = monoblack_to_gray
},
},
+ [PIX_FMT_PAL8] = {
+ [PIX_FMT_RGB555] = {
+ .convert = pal8_to_rgb555
+ },
+ [PIX_FMT_RGB565] = {
+ .convert = pal8_to_rgb565
+ },
+ [PIX_FMT_BGR24] = {
+ .convert = pal8_to_bgr24
+ },
+ [PIX_FMT_RGB24] = {
+ .convert = pal8_to_rgb24
+ },
+ [PIX_FMT_RGB32] = {
+ .convert = pal8_to_rgb32
+ },
+ },
+ [PIX_FMT_UYYVYY411] = {
+ [PIX_FMT_YUV411P] = {
+ .convert = uyyvyy411_to_yuv411p,
+ },
+ },
+
};
-static int avpicture_alloc(AVPicture *picture,
+int avpicture_alloc(AVPicture *picture,
int pix_fmt, int width, int height)
{
int size;
void *ptr;
size = avpicture_get_size(pix_fmt, width, height);
- if (size < 0)
+ if(size<0)
goto fail;
ptr = av_malloc(size);
if (!ptr)
return -1;
}
-static void avpicture_free(AVPicture *picture)
+void avpicture_free(AVPicture *picture)
{
av_free(picture->data[0]);
}
+/* return true if yuv planar */
+static inline int is_yuv_planar(const PixFmtInfo *ps)
+{
+ return (ps->color_type == FF_COLOR_YUV ||
+ ps->color_type == FF_COLOR_YUV_JPEG) &&
+ ps->pixel_type == FF_PIXEL_PLANAR;
+}
+
+int av_picture_crop(AVPicture *dst, const AVPicture *src,
+ int pix_fmt, int top_band, int left_band)
+{
+ int y_shift;
+ int x_shift;
+
+ if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt]))
+ return -1;
+
+ y_shift = pix_fmt_info[pix_fmt].y_chroma_shift;
+ x_shift = pix_fmt_info[pix_fmt].x_chroma_shift;
+
+ dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band;
+ dst->data[1] = src->data[1] + ((top_band >> y_shift) * src->linesize[1]) + (left_band >> x_shift);
+ dst->data[2] = src->data[2] + ((top_band >> y_shift) * src->linesize[2]) + (left_band >> x_shift);
+
+ dst->linesize[0] = src->linesize[0];
+ dst->linesize[1] = src->linesize[1];
+ dst->linesize[2] = src->linesize[2];
+ return 0;
+}
+
+int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
+ int pix_fmt, int padtop, int padbottom, int padleft, int padright,
+ int *color)
+{
+ uint8_t *optr;
+ int y_shift;
+ int x_shift;
+ int yheight;
+ int i, y;
+
+ if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB ||
+ !is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1;
+
+ for (i = 0; i < 3; i++) {
+ x_shift = i ? pix_fmt_info[pix_fmt].x_chroma_shift : 0;
+ y_shift = i ? pix_fmt_info[pix_fmt].y_chroma_shift : 0;
+
+ if (padtop || padleft) {
+ memset(dst->data[i], color[i],
+ dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift));
+ }
+
+ if (padleft || padright) {
+ optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
+ (dst->linesize[i] - (padright >> x_shift));
+ yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
+ for (y = 0; y < yheight; y++) {
+ memset(optr, color[i], (padleft + padright) >> x_shift);
+ optr += dst->linesize[i];
+ }
+ }
+
+ if (src) { /* first line */
+ uint8_t *iptr = src->data[i];
+ optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
+ (padleft >> x_shift);
+ memcpy(optr, iptr, src->linesize[i]);
+ iptr += src->linesize[i];
+ optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
+ (dst->linesize[i] - (padright >> x_shift));
+ yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
+ for (y = 0; y < yheight; y++) {
+ memset(optr, color[i], (padleft + padright) >> x_shift);
+ memcpy(optr + ((padleft + padright) >> x_shift), iptr,
+ src->linesize[i]);
+ iptr += src->linesize[i];
+ optr += dst->linesize[i];
+ }
+ }
+
+ if (padbottom || padright) {
+ optr = dst->data[i] + dst->linesize[i] *
+ ((height - padbottom) >> y_shift) - (padright >> x_shift);
+ memset(optr, color[i],dst->linesize[i] *
+ (padbottom >> y_shift) + (padright >> x_shift));
+ }
+ }
+ return 0;
+}
+
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
+void img_copy(AVPicture *dst, const AVPicture *src,
+ int pix_fmt, int width, int height)
+{
+ av_picture_copy(dst, src, pix_fmt, width, height);
+}
+
+int img_crop(AVPicture *dst, const AVPicture *src,
+ int pix_fmt, int top_band, int left_band)
+{
+ return av_picture_crop(dst, src, pix_fmt, top_band, left_band);
+}
+
+int img_pad(AVPicture *dst, const AVPicture *src, int height, int width,
+ int pix_fmt, int padtop, int padbottom, int padleft, int padright,
+ int *color)
+{
+ return av_picture_pad(dst, src, height, width, pix_fmt, padtop, padbottom, padleft, padright, color);
+}
+#endif
+
+#ifndef CONFIG_SWSCALER
/* XXX: always use linesize. Return -1 if not supported */
int img_convert(AVPicture *dst, int dst_pix_fmt,
- AVPicture *src, int src_pix_fmt,
+ const AVPicture *src, int src_pix_fmt,
int src_width, int src_height)
{
+ static int inited;
int i, ret, dst_width, dst_height, int_pix_fmt;
- PixFmtInfo *src_pix, *dst_pix;
- ConvertEntry *ce;
+ const PixFmtInfo *src_pix, *dst_pix;
+ const ConvertEntry *ce;
AVPicture tmp1, *tmp = &tmp1;
if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB ||
if (src_width <= 0 || src_height <= 0)
return 0;
+ if (!inited) {
+ inited = 1;
+ img_convert_init();
+ }
+
dst_width = src_width;
dst_height = src_height;
dst_pix = &pix_fmt_info[dst_pix_fmt];
src_pix = &pix_fmt_info[src_pix_fmt];
if (src_pix_fmt == dst_pix_fmt) {
- /* XXX: incorrect */
- /* same format: just copy */
- for(i = 0; i < dst_pix->nb_components; i++) {
- int w, h;
- w = dst_width;
- h = dst_height;
- if (dst_pix->is_yuv && (i == 1 || i == 2)) {
- w >>= dst_pix->x_chroma_shift;
- h >>= dst_pix->y_chroma_shift;
- }
- img_copy(dst->data[i], dst->linesize[i],
- src->data[i], src->linesize[i],
- w, h);
- }
+ /* no conversion needed: just copy */
+ av_picture_copy(dst, src, dst_pix_fmt, dst_width, dst_height);
return 0;
}
ce = &convert_table[src_pix_fmt][dst_pix_fmt];
if (ce->convert) {
- /* specific convertion routine */
+ /* specific conversion routine */
ce->convert(dst, src, dst_width, dst_height);
return 0;
}
/* gray to YUV */
- if (dst_pix->is_yuv && src_pix_fmt == PIX_FMT_GRAY8) {
+ if (is_yuv_planar(dst_pix) &&
+ src_pix_fmt == PIX_FMT_GRAY8) {
int w, h, y;
uint8_t *d;
- img_copy(dst->data[0], dst->linesize[0],
- src->data[0], src->linesize[0],
- dst_width, dst_height);
+ if (dst_pix->color_type == FF_COLOR_YUV_JPEG) {
+ ff_img_copy_plane(dst->data[0], dst->linesize[0],
+ src->data[0], src->linesize[0],
+ dst_width, dst_height);
+ } else {
+ img_apply_table(dst->data[0], dst->linesize[0],
+ src->data[0], src->linesize[0],
+ dst_width, dst_height,
+ y_jpeg_to_ccir);
+ }
/* fill U and V with 128 */
w = dst_width;
h = dst_height;
}
/* YUV to gray */
- if (src_pix->is_yuv && dst_pix_fmt == PIX_FMT_GRAY8) {
- img_copy(dst->data[0], dst->linesize[0],
- src->data[0], src->linesize[0],
- dst_width, dst_height);
+ if (is_yuv_planar(src_pix) &&
+ dst_pix_fmt == PIX_FMT_GRAY8) {
+ if (src_pix->color_type == FF_COLOR_YUV_JPEG) {
+ ff_img_copy_plane(dst->data[0], dst->linesize[0],
+ src->data[0], src->linesize[0],
+ dst_width, dst_height);
+ } else {
+ img_apply_table(dst->data[0], dst->linesize[0],
+ src->data[0], src->linesize[0],
+ dst_width, dst_height,
+ y_ccir_to_jpeg);
+ }
return 0;
}
- /* YUV to YUV */
- if (dst_pix->is_yuv && src_pix->is_yuv) {
- int x_shift, y_shift, w, h;
- void (*resize_func)(UINT8 *dst, int dst_wrap,
- UINT8 *src, int src_wrap,
+ /* YUV to YUV planar */
+ if (is_yuv_planar(dst_pix) && is_yuv_planar(src_pix)) {
+ int x_shift, y_shift, w, h, xy_shift;
+ void (*resize_func)(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
int width, int height);
/* compute chroma size of the smallest dimensions */
x_shift = (dst_pix->x_chroma_shift - src_pix->x_chroma_shift);
y_shift = (dst_pix->y_chroma_shift - src_pix->y_chroma_shift);
- if (x_shift == 0 && y_shift == 0) {
- resize_func = img_copy; /* should never happen */
- } else if (x_shift == 0 && y_shift == 1) {
- resize_func = shrink2;
- } else if (x_shift == 1 && y_shift == 1) {
- resize_func = shrink22;
- } else if (x_shift == -1 && y_shift == -1) {
+ xy_shift = ((x_shift & 0xf) << 4) | (y_shift & 0xf);
+ /* there must be filters for conversion at least from and to
+ YUV444 format */
+ switch(xy_shift) {
+ case 0x00:
+ resize_func = ff_img_copy_plane;
+ break;
+ case 0x10:
+ resize_func = shrink21;
+ break;
+ case 0x20:
+ resize_func = shrink41;
+ break;
+ case 0x01:
+ resize_func = shrink12;
+ break;
+ case 0x11:
+ resize_func = ff_shrink22;
+ break;
+ case 0x22:
+ resize_func = ff_shrink44;
+ break;
+ case 0xf0:
+ resize_func = grow21;
+ break;
+ case 0xe0:
+ resize_func = grow41;
+ break;
+ case 0xff:
resize_func = grow22;
- } else if (x_shift == -1 && y_shift == 1) {
+ break;
+ case 0xee:
+ resize_func = grow44;
+ break;
+ case 0xf1:
resize_func = conv411;
- } else {
+ break;
+ default:
/* currently not handled */
- return -1;
+ goto no_chroma_filter;
}
- img_copy(dst->data[0], dst->linesize[0],
- src->data[0], src->linesize[0],
- dst_width, dst_height);
+ ff_img_copy_plane(dst->data[0], dst->linesize[0],
+ src->data[0], src->linesize[0],
+ dst_width, dst_height);
for(i = 1;i <= 2; i++)
resize_func(dst->data[i], dst->linesize[i],
src->data[i], src->linesize[i],
- w, h);
- return 0;
+ dst_width>>dst_pix->x_chroma_shift, dst_height>>dst_pix->y_chroma_shift);
+ /* if yuv color space conversion is needed, we do it here on
+ the destination image */
+ if (dst_pix->color_type != src_pix->color_type) {
+ const uint8_t *y_table, *c_table;
+ if (dst_pix->color_type == FF_COLOR_YUV) {
+ y_table = y_jpeg_to_ccir;
+ c_table = c_jpeg_to_ccir;
+ } else {
+ y_table = y_ccir_to_jpeg;
+ c_table = c_ccir_to_jpeg;
+ }
+ img_apply_table(dst->data[0], dst->linesize[0],
+ dst->data[0], dst->linesize[0],
+ dst_width, dst_height,
+ y_table);
+
+ for(i = 1;i <= 2; i++)
+ img_apply_table(dst->data[i], dst->linesize[i],
+ dst->data[i], dst->linesize[i],
+ dst_width>>dst_pix->x_chroma_shift,
+ dst_height>>dst_pix->y_chroma_shift,
+ c_table);
+ }
+ return 0;
}
+ no_chroma_filter:
/* try to use an intermediate format */
- if (src_pix_fmt == PIX_FMT_MONOWHITE ||
- src_pix_fmt == PIX_FMT_MONOBLACK ||
- dst_pix_fmt == PIX_FMT_MONOWHITE ||
- dst_pix_fmt == PIX_FMT_MONOBLACK) {
+ if (src_pix_fmt == PIX_FMT_YUYV422 ||
+ dst_pix_fmt == PIX_FMT_YUYV422) {
+ /* specific case: convert to YUV422P first */
+ int_pix_fmt = PIX_FMT_YUV422P;
+ } else if (src_pix_fmt == PIX_FMT_UYVY422 ||
+ dst_pix_fmt == PIX_FMT_UYVY422) {
+ /* specific case: convert to YUV422P first */
+ int_pix_fmt = PIX_FMT_YUV422P;
+ } else if (src_pix_fmt == PIX_FMT_UYYVYY411 ||
+ dst_pix_fmt == PIX_FMT_UYYVYY411) {
+ /* specific case: convert to YUV411P first */
+ int_pix_fmt = PIX_FMT_YUV411P;
+ } else if ((src_pix->color_type == FF_COLOR_GRAY &&
+ src_pix_fmt != PIX_FMT_GRAY8) ||
+ (dst_pix->color_type == FF_COLOR_GRAY &&
+ dst_pix_fmt != PIX_FMT_GRAY8)) {
+ /* gray8 is the normalized format */
int_pix_fmt = PIX_FMT_GRAY8;
+ } else if ((is_yuv_planar(src_pix) &&
+ src_pix_fmt != PIX_FMT_YUV444P &&
+ src_pix_fmt != PIX_FMT_YUVJ444P)) {
+ /* yuv444 is the normalized format */
+ if (src_pix->color_type == FF_COLOR_YUV_JPEG)
+ int_pix_fmt = PIX_FMT_YUVJ444P;
+ else
+ int_pix_fmt = PIX_FMT_YUV444P;
+ } else if ((is_yuv_planar(dst_pix) &&
+ dst_pix_fmt != PIX_FMT_YUV444P &&
+ dst_pix_fmt != PIX_FMT_YUVJ444P)) {
+ /* yuv444 is the normalized format */
+ if (dst_pix->color_type == FF_COLOR_YUV_JPEG)
+ int_pix_fmt = PIX_FMT_YUVJ444P;
+ else
+ int_pix_fmt = PIX_FMT_YUV444P;
} else {
- int_pix_fmt = PIX_FMT_RGB24;
+ /* the two formats are rgb or gray8 or yuv[j]444p */
+ if (src_pix->is_alpha && dst_pix->is_alpha)
+ int_pix_fmt = PIX_FMT_RGB32;
+ else
+ int_pix_fmt = PIX_FMT_RGB24;
}
if (avpicture_alloc(tmp, int_pix_fmt, dst_width, dst_height) < 0)
return -1;
avpicture_free(tmp);
return ret;
}
+#endif
+
+/* NOTE: we scan all the pixels to have an exact information */
+static int get_alpha_info_pal8(const AVPicture *src, int width, int height)
+{
+ const unsigned char *p;
+ int src_wrap, ret, x, y;
+ unsigned int a;
+ uint32_t *palette = (uint32_t *)src->data[1];
+
+ p = src->data[0];
+ src_wrap = src->linesize[0] - width;
+ ret = 0;
+ for(y=0;y<height;y++) {
+ for(x=0;x<width;x++) {
+ a = palette[p[0]] >> 24;
+ if (a == 0x00) {
+ ret |= FF_ALPHA_TRANSP;
+ } else if (a != 0xff) {
+ ret |= FF_ALPHA_SEMI_TRANSP;
+ }
+ p++;
+ }
+ p += src_wrap;
+ }
+ return ret;
+}
+
+int img_get_alpha_info(const AVPicture *src,
+ int pix_fmt, int width, int height)
+{
+ const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
+ int ret;
+ pf = &pix_fmt_info[pix_fmt];
+ /* no alpha can be represented in format */
+ if (!pf->is_alpha)
+ return 0;
+ switch(pix_fmt) {
+ case PIX_FMT_RGB32:
+ ret = get_alpha_info_rgb32(src, width, height);
+ break;
+ case PIX_FMT_PAL8:
+ ret = get_alpha_info_pal8(src, width, height);
+ break;
+ default:
+ /* we do not know, so everything is indicated */
+ ret = FF_ALPHA_TRANSP | FF_ALPHA_SEMI_TRANSP;
+ break;
+ }
+ return ret;
+}
#ifdef HAVE_MMX
#define DEINT_INPLACE_LINE_LUM \
#endif
/* filter parameters: [-1 4 2 4 -1] // 8 */
-static void deinterlace_line(UINT8 *dst, UINT8 *lum_m4, UINT8 *lum_m3, UINT8 *lum_m2, UINT8 *lum_m1, UINT8 *lum,
- int size)
+static void deinterlace_line(uint8_t *dst,
+ const uint8_t *lum_m4, const uint8_t *lum_m3,
+ const uint8_t *lum_m2, const uint8_t *lum_m1,
+ const uint8_t *lum,
+ int size)
{
#ifndef HAVE_MMX
- UINT8 *cm = cropTbl + MAX_NEG_CROP;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int sum;
for(;size > 0;size--) {
}
#endif
}
-static void deinterlace_line_inplace(UINT8 *lum_m4, UINT8 *lum_m3, UINT8 *lum_m2, UINT8 *lum_m1, UINT8 *lum,
+static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t *lum_m2, uint8_t *lum_m1, uint8_t *lum,
int size)
{
#ifndef HAVE_MMX
- UINT8 *cm = cropTbl + MAX_NEG_CROP;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int sum;
for(;size > 0;size--) {
/* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The
top field is copied as is, but the bottom field is deinterlaced
against the top field. */
-static void deinterlace_bottom_field(UINT8 *dst, int dst_wrap,
- UINT8 *src1, int src_wrap,
+static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap,
+ const uint8_t *src1, int src_wrap,
int width, int height)
{
- UINT8 *src_m2, *src_m1, *src_0, *src_p1, *src_p2;
+ const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2;
int y;
src_m2 = src1;
deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width);
}
-static void deinterlace_bottom_field_inplace(UINT8 *src1, int src_wrap,
- int width, int height)
+static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
+ int width, int height)
{
- UINT8 *src_m1, *src_0, *src_p1, *src_p2;
+ uint8_t *src_m1, *src_0, *src_p1, *src_p2;
int y;
- UINT8 *buf;
- buf = (UINT8*)av_malloc(width);
+ uint8_t *buf;
+ buf = (uint8_t*)av_malloc(width);
src_m1 = src1;
memcpy(buf,src_m1,width);
av_free(buf);
}
-
-/* deinterlace - if not supported return -1 */
-int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
+int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
int pix_fmt, int width, int height)
{
int i;
if (pix_fmt != PIX_FMT_YUV420P &&
pix_fmt != PIX_FMT_YUV422P &&
- pix_fmt != PIX_FMT_YUV444P)
+ pix_fmt != PIX_FMT_YUV444P &&
+ pix_fmt != PIX_FMT_YUV411P)
return -1;
if ((width & 3) != 0 || (height & 3) != 0)
return -1;
case PIX_FMT_YUV422P:
width >>= 1;
break;
+ case PIX_FMT_YUV411P:
+ width >>= 2;
+ break;
default:
break;
}
}
if (src == dst) {
- deinterlace_bottom_field_inplace(src->data[i], src->linesize[i],
+ deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i],
width, height);
} else {
deinterlace_bottom_field(dst->data[i],dst->linesize[i],
projects / ffmpeg / blobdiff