/*
- * Misc image convertion routines
+ * Misc image conversion routines
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard.
*
* This file is part of FFmpeg.
/**
* @file imgconvert.c
- * Misc image convertion routines.
+ * misc image conversion routines
*/
/* TODO:
#include "avcodec.h"
#include "dsputil.h"
+#include "colorspace.h"
#ifdef HAVE_MMX
#include "i386/mmx.h"
.depth = 8,
.x_chroma_shift = 2, .y_chroma_shift = 0,
},
+ [PIX_FMT_YUV440P] = {
+ .name = "yuv440p",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 1,
+ },
+
+ /* YUV formats with alpha plane */
+ [PIX_FMT_YUVA420P] = {
+ .name = "yuva420p",
+ .nb_channels = 4,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 1, .y_chroma_shift = 1,
+ },
/* JPEG YUV */
[PIX_FMT_YUVJ420P] = {
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
+ [PIX_FMT_YUVJ440P] = {
+ .name = "yuvj440p",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_YUV_JPEG,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 1,
+ },
/* RGB formats */
[PIX_FMT_RGB24] = {
return i;
}
-int avpicture_fill(AVPicture *picture, uint8_t *ptr,
- int pix_fmt, int width, int height)
+void avcodec_pix_fmt_string (char *buf, int buf_size, int pix_fmt)
+{
+ PixFmtInfo info= pix_fmt_info[pix_fmt];
+
+ char is_alpha_char= info.is_alpha ? 'y' : 'n';
+
+ /* print header */
+ if (pix_fmt < 0)
+ snprintf (buf, buf_size,
+ "name " " nb_channels" " depth" " is_alpha"
+ );
+ else
+ snprintf (buf, buf_size,
+ "%-10s" " %1d " " %2d " " %c ",
+ info.name,
+ info.nb_channels,
+ info.depth,
+ is_alpha_char
+ );
+}
+
+int ff_fill_linesize(AVPicture *picture, int pix_fmt, int width)
{
- int size, w2, h2, size2;
+ int w2;
const PixFmtInfo *pinfo;
- if(avcodec_check_dimensions(NULL, width, height))
- goto fail;
+ memset(picture->linesize, 0, sizeof(picture->linesize));
pinfo = &pix_fmt_info[pix_fmt];
- size = width * height;
switch(pix_fmt) {
case PIX_FMT_YUV420P:
case PIX_FMT_YUV422P:
case PIX_FMT_YUV444P:
case PIX_FMT_YUV410P:
case PIX_FMT_YUV411P:
+ case PIX_FMT_YUV440P:
case PIX_FMT_YUVJ420P:
case PIX_FMT_YUVJ422P:
case PIX_FMT_YUVJ444P:
+ case PIX_FMT_YUVJ440P:
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->data[0] = ptr;
- picture->data[1] = picture->data[0] + size;
- picture->data[2] = picture->data[1] + size2;
picture->linesize[0] = width;
picture->linesize[1] = w2;
picture->linesize[2] = w2;
- return size + 2 * size2;
+ break;
+ case PIX_FMT_YUVA420P:
+ w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
+ picture->linesize[0] = width;
+ picture->linesize[1] = w2;
+ picture->linesize[2] = w2;
+ picture->linesize[3] = width;
+ break;
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;
+ break;
case PIX_FMT_RGB24:
case PIX_FMT_BGR24:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
picture->linesize[0] = width * 3;
- return size * 3;
+ break;
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;
+ break;
case PIX_FMT_GRAY16BE:
case PIX_FMT_GRAY16LE:
case PIX_FMT_BGR555:
case PIX_FMT_RGB555:
case PIX_FMT_RGB565:
case PIX_FMT_YUYV422:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
picture->linesize[0] = width * 2;
- return size * 2;
+ break;
case PIX_FMT_UYVY422:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
picture->linesize[0] = width * 2;
- return size * 2;
+ break;
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;
+ break;
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;
+ break;
case PIX_FMT_RGB4:
case PIX_FMT_BGR4:
+ picture->linesize[0] = width / 2;
+ break;
+ case PIX_FMT_MONOWHITE:
+ case PIX_FMT_MONOBLACK:
+ picture->linesize[0] = (width + 7) >> 3;
+ break;
+ case PIX_FMT_PAL8:
+ picture->linesize[0] = width;
+ picture->linesize[1] = 4;
+ break;
+ default:
+ return -1;
+ }
+ return 0;
+}
+
+int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, int pix_fmt,
+ int height)
+{
+ int size, h2, size2;
+ const PixFmtInfo *pinfo;
+
+ pinfo = &pix_fmt_info[pix_fmt];
+ size = picture->linesize[0] * height;
+ switch(pix_fmt) {
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV444P:
+ case PIX_FMT_YUV410P:
+ case PIX_FMT_YUV411P:
+ case PIX_FMT_YUV440P:
+ case PIX_FMT_YUVJ420P:
+ case PIX_FMT_YUVJ422P:
+ case PIX_FMT_YUVJ444P:
+ case PIX_FMT_YUVJ440P:
+ h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+ size2 = picture->linesize[1] * h2;
picture->data[0] = ptr;
- picture->data[1] = NULL;
+ picture->data[1] = picture->data[0] + size;
+ picture->data[2] = picture->data[1] + size2;
+ picture->data[3] = NULL;
+ return size + 2 * size2;
+ case PIX_FMT_YUVA420P:
+ h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+ size2 = picture->linesize[1] * h2;
+ picture->data[0] = ptr;
+ picture->data[1] = picture->data[0] + size;
+ picture->data[2] = picture->data[1] + size2;
+ picture->data[3] = picture->data[1] + size2 + size2;
+ return 2 * size + 2 * size2;
+ case PIX_FMT_NV12:
+ case PIX_FMT_NV21:
+ h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+ size2 = picture->linesize[1] * h2 * 2;
+ picture->data[0] = ptr;
+ picture->data[1] = picture->data[0] + size;
picture->data[2] = NULL;
- picture->linesize[0] = width / 2;
- return size / 2;
+ picture->data[3] = NULL;
+ return size + 2 * size2;
+ case PIX_FMT_RGB24:
+ case PIX_FMT_BGR24:
+ case PIX_FMT_RGB32:
+ case PIX_FMT_BGR32:
+ case PIX_FMT_RGB32_1:
+ case PIX_FMT_BGR32_1:
+ 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_YUYV422:
+ case PIX_FMT_UYVY422:
+ case PIX_FMT_UYYVYY411:
+ case PIX_FMT_RGB8:
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB4_BYTE:
+ case PIX_FMT_BGR4_BYTE:
+ case PIX_FMT_GRAY8:
+ case PIX_FMT_RGB4:
+ case PIX_FMT_BGR4:
case PIX_FMT_MONOWHITE:
case PIX_FMT_MONOBLACK:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
- picture->linesize[0] = (width + 7) >> 3;
- return picture->linesize[0] * height;
+ picture->data[3] = NULL;
+ return size;
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;
+ picture->data[3] = NULL;
return size2 + 256 * 4;
default:
-fail:
picture->data[0] = NULL;
picture->data[1] = NULL;
picture->data[2] = NULL;
}
}
+int avpicture_fill(AVPicture *picture, uint8_t *ptr,
+ int pix_fmt, int width, int height)
+{
+
+ if(avcodec_check_dimensions(NULL, width, height))
+ return -1;
+
+ if (ff_fill_linesize(picture, pix_fmt, width))
+ return -1;
+
+ return ff_fill_pointer(picture, ptr, pix_fmt, height);
+}
+
int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
unsigned char *dest, int dest_size)
{
}
}
-void av_picture_copy(AVPicture *dst, const AVPicture *src,
- int pix_fmt, int width, int height)
+int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
{
- int bwidth, bits, i;
+ int bits;
const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
pf = &pix_fmt_info[pix_fmt];
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);
+ return (width * bits + 7) >> 3;
+ break;
+ case FF_PIXEL_PLANAR:
+ if (plane == 1 || plane == 2)
+ width >>= pf->x_chroma_shift;
+
+ return (width * pf->depth + 7) >> 3;
+ break;
+ case FF_PIXEL_PALETTE:
+ if (plane == 0)
+ return width;
break;
+ }
+
+ return -1;
+}
+
+void av_picture_copy(AVPicture *dst, const AVPicture *src,
+ int pix_fmt, int width, int height)
+{
+ int i;
+ const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
+
+ pf = &pix_fmt_info[pix_fmt];
+ switch(pf->pixel_type) {
+ case FF_PIXEL_PACKED:
case FF_PIXEL_PLANAR:
for(i = 0; i < pf->nb_channels; i++) {
int w, h;
+ int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i);
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);
}
}
-#define SCALEBITS 10
-#define ONE_HALF (1 << (SCALEBITS - 1))
-#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)
+/* 2x2 -> 1x1 */
+void ff_shrink22(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
{
- int n;
- const uint8_t *s;
+ int w;
+ const uint8_t *s1, *s2;
uint8_t *d;
- const uint8_t *table;
- table = table1;
for(;height > 0; height--) {
- s = src;
+ s1 = src;
+ s2 = s1 + src_wrap;
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 shrink12(uint8_t *dst, int dst_wrap,
- const uint8_t *src, int src_wrap,
- int width, int height)
-{
- int w;
- uint8_t *d;
- const uint8_t *s1, *s2;
-
- for(;height > 0; height--) {
- s1 = src;
- s2 = s1 + src_wrap;
- d = dst;
- for(w = width;w >= 4; w-=4) {
- d[0] = (s1[0] + s2[0]) >> 1;
- d[1] = (s1[1] + s2[1]) >> 1;
- d[2] = (s1[2] + s2[2]) >> 1;
- d[3] = (s1[3] + s2[3]) >> 1;
- s1 += 4;
- s2 += 4;
- d += 4;
- }
- for(;w > 0; w--) {
- d[0] = (s1[0] + s2[0]) >> 1;
- s1++;
- s2++;
- d++;
- }
- src += 2 * src_wrap;
- dst += dst_wrap;
- }
-}
-
-/* 2x2 -> 1x1 */
-void ff_shrink22(uint8_t *dst, int dst_wrap,
- const uint8_t *src, int src_wrap,
- int width, int height)
-{
- int w;
- 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) >> 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;
+ for(w = width;w >= 4; w-=4) {
+ 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--) {
}
}
-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_t *dst, int dst_wrap,
- const uint8_t *src, int src_wrap,
- int width, int height)
-{
- int w, c;
- const uint8_t *s1, *s2;
- uint8_t *d;
-
- width>>=1;
-
- for(;height > 0; height--) {
- s1 = src;
- s2 = src + src_wrap;
- d = dst;
- for(w = width;w > 0; w--) {
- c = (s1[0] + s2[0]) >> 1;
- d[0] = c;
- d[1] = c;
- s1++;
- s2++;
- d += 2;
- }
- src += src_wrap * 2;
- dst += dst_wrap;
- }
-}
-
/* XXX: add jpeg quantize code */
#define TRANSP_INDEX (6*6*6)
/* 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));
+ return (((r) / 47) % 6) * 6 * 6 + (((g) / 47) % 6) * 6 + (((b) / 47) % 6);
}
static void build_rgb_palette(uint8_t *palette, int has_alpha)
{
int x, y, src_wrap, dst_wrap;
uint16_t *s, *d;
- s = src->data[0];
+ s = (uint16_t*)src->data[0];
src_wrap = (src->linesize[0] - width * 2)/2;
- d = dst->data[0];
+ d = (uint16_t*)dst->data[0];
dst_wrap = (dst->linesize[0] - width * 2)/2;
for(y=0; y<height; y++){
for(x=0; x<width; x++){
const AVPicture *src, int width, int height);
} ConvertEntry;
-/* Add each new convertion function in this table. In order to be able
+/* Add each new conversion function in this table. In order to be able
to convert from any format to any format, the following constraints
must be satisfied:
- PIX_FMT_422 must convert to and from PIX_FMT_422P.
- The other conversion functions are just optimisations for common cases.
+ The other conversion functions are just optimizations for common cases.
*/
static const ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = {
[PIX_FMT_YUV420P] = {
}
#endif
-#ifndef CONFIG_SWSCALER
-/* XXX: always use linesize. Return -1 if not supported */
-int img_convert(AVPicture *dst, int dst_pix_fmt,
- const AVPicture *src, int src_pix_fmt,
- int src_width, int src_height)
+#ifndef CONFIG_SWSCALE
+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)
{
- static int inited;
- int i, ret, dst_width, dst_height, int_pix_fmt;
- const PixFmtInfo *src_pix, *dst_pix;
- const ConvertEntry *ce;
- AVPicture tmp1, *tmp = &tmp1;
+ int i;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
- if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB ||
+ 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 shrink12(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ int w;
+ uint8_t *d;
+ const uint8_t *s1, *s2;
+
+ for(;height > 0; height--) {
+ s1 = src;
+ s2 = s1 + src_wrap;
+ d = dst;
+ for(w = width;w >= 4; w-=4) {
+ d[0] = (s1[0] + s2[0]) >> 1;
+ d[1] = (s1[1] + s2[1]) >> 1;
+ d[2] = (s1[2] + s2[2]) >> 1;
+ d[3] = (s1[3] + s2[3]) >> 1;
+ s1 += 4;
+ s2 += 4;
+ d += 4;
+ }
+ for(;w > 0; w--) {
+ d[0] = (s1[0] + s2[0]) >> 1;
+ s1++;
+ s2++;
+ d++;
+ }
+ src += 2 * src_wrap;
+ dst += dst_wrap;
+ }
+}
+
+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 -> 1x2 */
+static void grow12(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ for(;height > 0; height-=2) {
+ memcpy(dst, src, width);
+ dst += dst_wrap;
+ memcpy(dst, src, width);
+ dst += dst_wrap;
+ src += src_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_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ int w, c;
+ const uint8_t *s1, *s2;
+ uint8_t *d;
+
+ width>>=1;
+
+ for(;height > 0; height--) {
+ s1 = src;
+ s2 = src + src_wrap;
+ d = dst;
+ for(w = width;w > 0; w--) {
+ c = (s1[0] + s2[0]) >> 1;
+ d[0] = c;
+ d[1] = c;
+ s1++;
+ s2++;
+ d += 2;
+ }
+ src += src_wrap * 2;
+ dst += dst_wrap;
+ }
+}
+
+/* XXX: always use linesize. Return -1 if not supported */
+int img_convert(AVPicture *dst, int dst_pix_fmt,
+ const AVPicture *src, int src_pix_fmt,
+ int src_width, int src_height)
+{
+ static int initialized;
+ int i, ret, dst_width, dst_height, int_pix_fmt;
+ const PixFmtInfo *src_pix, *dst_pix;
+ const ConvertEntry *ce;
+ AVPicture tmp1, *tmp = &tmp1;
+
+ if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB ||
dst_pix_fmt < 0 || dst_pix_fmt >= PIX_FMT_NB)
return -1;
if (src_width <= 0 || src_height <= 0)
return 0;
- if (!inited) {
- inited = 1;
+ if (!initialized) {
+ initialized = 1;
img_convert_init();
}
case 0xf0:
resize_func = grow21;
break;
+ case 0x0f:
+ resize_func = grow12;
+ break;
case 0xe0:
resize_func = grow41;
break;
else
int_pix_fmt = PIX_FMT_RGB24;
}
+ if (src_pix_fmt == int_pix_fmt)
+ return -1;
if (avpicture_alloc(tmp, int_pix_fmt, dst_width, dst_height) < 0)
return -1;
ret = -1;
if (pix_fmt != PIX_FMT_YUV420P &&
pix_fmt != PIX_FMT_YUV422P &&
pix_fmt != PIX_FMT_YUV444P &&
- pix_fmt != PIX_FMT_YUV411P)
+ pix_fmt != PIX_FMT_YUV411P &&
+ pix_fmt != PIX_FMT_GRAY8)
return -1;
if ((width & 3) != 0 || (height & 3) != 0)
return -1;
default:
break;
}
+ if (pix_fmt == PIX_FMT_GRAY8) {
+ break;
+ }
}
if (src == dst) {
deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i],
width, height);
}
}
-#ifdef HAVE_MMX
- emms();
-#endif
+ emms_c();
return 0;
}
-#undef FIX
projects / ffmpeg / blobdiff