/*
- * 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"
-
-#ifdef USE_FASTMEMCPY
-#include "libvo/fastmemcpy.h"
-#endif
+#include "colorspace.h"
#ifdef HAVE_MMX
-#include "i386/mmx.h"
+#include "x86/mmx.h"
+#include "x86/dsputil_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_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 */
+#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_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 */
+ 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 */
.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] = {
const char *avcodec_get_pix_fmt_name(int pix_fmt)
{
if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB)
- return "???";
+ return NULL;
else
return pix_fmt_info[pix_fmt].name;
}
for (i=0; i < PIX_FMT_NB; i++)
if (!strcmp(pix_fmt_info[i].name, name))
- break;
- return i;
+ return i;
+ return PIX_FMT_NONE;
}
-/* Picture field are filled with 'ptr' addresses. Also return size */
-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)
+{
+ /* print header */
+ if (pix_fmt < 0)
+ snprintf (buf, buf_size,
+ "name " " nb_channels" " depth" " is_alpha"
+ );
+ else{
+ PixFmtInfo info= pix_fmt_info[pix_fmt];
+
+ char is_alpha_char= info.is_alpha ? 'y' : 'n';
+
+ 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)
{
return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height);
}
-/**
- * compute the loss when converting from a pixel format to another
- */
int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,
int has_alpha)
{
return bits;
}
-static int avcodec_find_best_pix_fmt1(int pix_fmt_mask,
+static int avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask,
int src_pix_fmt,
int has_alpha,
int loss_mask)
dst_pix_fmt = -1;
min_dist = 0x7fffffff;
for(i = 0;i < PIX_FMT_NB; i++) {
- if (pix_fmt_mask & (1 << i)) {
+ if (pix_fmt_mask & (1ULL << i)) {
loss = avcodec_get_pix_fmt_loss(i, src_pix_fmt, has_alpha) & loss_mask;
if (loss == 0) {
dist = avg_bits_per_pixel(i);
return dst_pix_fmt;
}
-/**
- * find best pixel format to convert to. Return -1 if none found
- */
-int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt,
+int avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, int src_pix_fmt,
int has_alpha, int *loss_ptr)
{
int dst_pix_fmt, loss_mask, i;
}
}
-/**
- * Copy image 'src' to 'dst'.
- */
-void img_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= -((-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;
- w = width;
+ int h;
+ int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i);
h = height;
if (i == 1 || i == 2) {
- w >>= pf->x_chroma_shift;
- h >>= pf->y_chroma_shift;
+ h= -((-height)>>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);
/* XXX: totally non optimized */
-static void yuv422_to_yuv420p(AVPicture *dst, const AVPicture *src,
+static void yuyv422_to_yuv420p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *p, *p1;
}
-static void yuv422_to_yuv422p(AVPicture *dst, const AVPicture *src,
+static void yuyv422_to_yuv422p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *p, *p1;
}
}
-static void yuv422p_to_yuv422(AVPicture *dst, const AVPicture *src,
+static void yuv422p_to_yuyv422(AVPicture *dst, const AVPicture *src,
int width, int height)
{
uint8_t *p, *p1;
}
-static void yuv420p_to_yuv422(AVPicture *dst, const AVPicture *src,
+static void yuv420p_to_yuyv422(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int w, 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;\
-}
+/* 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;
-#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];\
+ 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;
+ d += 4;
+ }
+ for(;w > 0; w--) {
+ d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
+ s1 += 2;
+ s2 += 2;
+ d++;
+ }
+ src += 2 * src_wrap;
+ dst += dst_wrap;
+ }
}
-#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;\
-}
+/* 4x4 -> 1x1 */
+void ff_shrink44(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
+{
+ int w;
+ const uint8_t *s1, *s2, *s3, *s4;
+ uint8_t *d;
-#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];\
+ for(;height > 0; height--) {
+ s1 = src;
+ s2 = s1 + src_wrap;
+ s3 = s2 + src_wrap;
+ s4 = s3 + src_wrap;
+ d = dst;
+ 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;
+ }
}
-#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 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;
- d += 4;
- }
- for(;w > 0; w--) {
- d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
- s1 += 2;
- s2 += 2;
- d++;
- }
- src += 2 * src_wrap;
- dst += dst_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;
- 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 > 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;
+/* 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--) {
}
}
-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)
#define BPP 2
-#include "imgconvert_template.h"
+#include "imgconvert_template.c"
/* rgb565 handling */
#define BPP 2
-#include "imgconvert_template.h"
+#include "imgconvert_template.c"
/* bgr24 handling */
#define BPP 3
-#include "imgconvert_template.h"
+#include "imgconvert_template.c"
#undef RGB_IN
#undef RGB_OUT
#define BPP 3
-#include "imgconvert_template.h"
+#include "imgconvert_template.c"
/* rgb32 handling */
#define BPP 4
-#include "imgconvert_template.h"
+#include "imgconvert_template.c"
static void mono_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height, int xor_mask)
static void gray16le_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
- gray16_to_gray(dst, src + 1, width, height);
+ AVPicture tmpsrc = *src;
+ tmpsrc.data[0]++;
+ gray16_to_gray(dst, &tmpsrc, width, height);
}
static void gray16_to_gray16(AVPicture *dst, const AVPicture *src,
{
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] = {
[PIX_FMT_YUYV422] = {
- .convert = yuv420p_to_yuv422,
+ .convert = yuv420p_to_yuyv422,
},
[PIX_FMT_RGB555] = {
.convert = yuv420p_to_rgb555
},
[PIX_FMT_YUV422P] = {
[PIX_FMT_YUYV422] = {
- .convert = yuv422p_to_yuv422,
+ .convert = yuv422p_to_yuyv422,
},
[PIX_FMT_UYVY422] = {
.convert = yuv422p_to_uyvy422,
},
[PIX_FMT_YUYV422] = {
[PIX_FMT_YUV420P] = {
- .convert = yuv422_to_yuv420p,
+ .convert = yuyv422_to_yuv420p,
},
[PIX_FMT_YUV422P] = {
- .convert = yuv422_to_yuv422p,
+ .convert = yuyv422_to_yuv422p,
},
},
[PIX_FMT_UYVY422] = {
return -1;
}
-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, (width - padleft - padright) >> x_shift);
+ 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,
+ (width - padleft - padright) >> x_shift);
+ 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;
+}
+
+#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)
+{
+ 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)
{
- av_free(picture->data[0]);
+ 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;
+ }
}
-/* return true if yuv planar */
-static inline int is_yuv_planar(const PixFmtInfo *ps)
+/* 1x2 -> 1x1 */
+static void shrink12(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
{
- return (ps->color_type == FF_COLOR_YUV ||
- ps->color_type == FF_COLOR_YUV_JPEG) &&
- ps->pixel_type == FF_PIXEL_PLANAR;
+ 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;
+ }
}
-/**
- * Crop image top and left side
- */
-int img_crop(AVPicture *dst, const AVPicture *src,
- int pix_fmt, int top_band, int left_band)
+static void grow21_line(uint8_t *dst, const uint8_t *src,
+ int width)
{
- int y_shift;
- int x_shift;
+ int w;
+ const uint8_t *s1;
+ uint8_t *d;
- if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt]))
- return -1;
+ 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];
+ }
+}
- y_shift = pix_fmt_info[pix_fmt].y_chroma_shift;
- x_shift = pix_fmt_info[pix_fmt].x_chroma_shift;
+static void grow41_line(uint8_t *dst, const uint8_t *src,
+ int width)
+{
+ int w, v;
+ const uint8_t *s1;
+ uint8_t *d;
- 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);
+ 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;
+ }
+}
- dst->linesize[0] = src->linesize[0];
- dst->linesize[1] = src->linesize[1];
- dst->linesize[2] = src->linesize[2];
- return 0;
+/* 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;
+ }
}
-/**
- * Pad image
- */
-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)
+/* 1x1 -> 1x2 */
+static void grow12(uint8_t *dst, int dst_wrap,
+ const uint8_t *src, int src_wrap,
+ int width, int height)
{
- uint8_t *optr;
- int y_shift;
- int x_shift;
- int yheight;
- int i, y;
+ for(;height > 0; height-=2) {
+ memcpy(dst, src, width);
+ dst += dst_wrap;
+ memcpy(dst, src, width);
+ dst += dst_wrap;
+ src += src_wrap;
+ }
+}
- if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB ||
- !is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1;
+/* 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;
+ }
+}
- 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;
+/* 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;
+ }
+}
- if (padtop || padleft) {
- memset(dst->data[i], color[i],
- dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift));
- }
+/* 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;
+ }
+}
- 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];
- }
- }
+/* 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;
- 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];
- }
- }
+ width>>=1;
- 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));
+ 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;
}
- return 0;
}
-#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)
{
- static int inited;
+ static int initialized;
int i, ret, dst_width, dst_height, int_pix_fmt;
const PixFmtInfo *src_pix, *dst_pix;
const ConvertEntry *ce;
if (src_width <= 0 || src_height <= 0)
return 0;
- if (!inited) {
- inited = 1;
+ if (!initialized) {
+ initialized = 1;
img_convert_init();
}
src_pix = &pix_fmt_info[src_pix_fmt];
if (src_pix_fmt == dst_pix_fmt) {
/* no conversion needed: just copy */
- img_copy(dst, src, dst_pix_fmt, dst_width, dst_height);
+ av_picture_copy(dst, src, dst_pix_fmt, dst_width, dst_height);
return 0;
}
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;
return ret;
}
-/**
- * Tell if an image really has transparent alpha values.
- * @return ored mask of FF_ALPHA_xxx constants
- */
int img_get_alpha_info(const AVPicture *src,
int pix_fmt, int width, int height)
{
#else
{
- mmx_t rounder;
- rounder.uw[0]=4;
- rounder.uw[1]=4;
- rounder.uw[2]=4;
- rounder.uw[3]=4;
pxor_r2r(mm7,mm7);
- movq_m2r(rounder,mm6);
+ movq_m2r(ff_pw_4,mm6);
}
for (;size > 3; size-=4) {
DEINT_LINE_LUM
#else
{
- mmx_t rounder;
- rounder.uw[0]=4;
- rounder.uw[1]=4;
- rounder.uw[2]=4;
- rounder.uw[3]=4;
pxor_r2r(mm7,mm7);
- movq_m2r(rounder,mm6);
+ movq_m2r(ff_pw_4,mm6);
}
for (;size > 3; size-=4) {
DEINT_INPLACE_LINE_LUM
av_free(buf);
}
-
-/* deinterlace - if not supported return -1 */
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
int pix_fmt, int width, int height)
{
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