diff options
| author | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
|---|---|---|
| committer | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
| commit | 726a91b12a7524e45e7a901c9e4883af5b1bffe6 (patch) | |
| tree | f5d25e3b2e84c92f4901280c73d5d3d7e6c3cd19 /src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/imgconvert.c | |
| parent | 02183f6e47ad4ea1057de9950482f291f2ae4290 (diff) | |
Rename several directories to use MixedCase instead of lowercase.
They now mostly match the case used in #includes,
and they're consistent with the names of the .h files they contain.
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@1648 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/imgconvert.c')
| -rw-r--r-- | src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/imgconvert.c | 1112 |
1 files changed, 1112 insertions, 0 deletions
diff --git a/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/imgconvert.c b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/imgconvert.c new file mode 100644 index 000000000..6584fae99 --- /dev/null +++ b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/imgconvert.c @@ -0,0 +1,1112 @@ +/*
+ * Misc image conversion routines
+ * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
+ *
+ * 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 2.1 of the License, or (at your option) any later version.
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file libavcodec/imgconvert.c
+ * misc image conversion 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"
+
+#if HAVE_MMX
+#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_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 is_hwaccel : 1; /**< true if this is an HW accelerated format */
+ 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 */
+#if __STDC_VERSION__ >= 199901L
+static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
+ /* YUV formats */
+ [PIX_FMT_YUV420P] = {
+ .name = "yuv420p",
+ .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_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_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_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_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_channels = 3,
+ .color_type = FF_COLOR_YUV,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .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] = {
+ .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,
+ },
+ [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] = {
+ .name = "rgb24",
+ .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_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 8,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [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_RGB48BE] = {
+ .name = "rgb48be",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 16,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_RGB48LE] = {
+ .name = "rgb48le",
+ .nb_channels = 3,
+ .color_type = FF_COLOR_RGB,
+ .pixel_type = FF_PIXEL_PACKED,
+ .depth = 16,
+ .x_chroma_shift = 0, .y_chroma_shift = 0,
+ },
+ [PIX_FMT_RGB565] = {
+ .name = "rgb565",
+ .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_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_channels = 1,
+ .color_type = FF_COLOR_GRAY,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 8,
+ },
+ [PIX_FMT_MONOWHITE] = {
+ .name = "monow",
+ .nb_channels = 1,
+ .color_type = FF_COLOR_GRAY,
+ .pixel_type = FF_PIXEL_PLANAR,
+ .depth = 1,
+ },
+ [PIX_FMT_MONOBLACK] = {
+ .name = "monob",
+ .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_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,
+ },
+};
+
+#else
+static PixFmtInfo pix_fmt_info[PIX_FMT_NB];
+
+void avpicture_init_pixfmtinfo(void)
+{
+ pix_fmt_info[PIX_FMT_YUV420P].name = "yuv420p";
+ pix_fmt_info[PIX_FMT_YUV420P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUV420P].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUV420P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUV420P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUV420P].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_YUV420P].y_chroma_shift = 1;
+
+ pix_fmt_info[PIX_FMT_YUV422P].name = "yuv422p";
+ pix_fmt_info[PIX_FMT_YUV422P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUV422P].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUV422P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUV422P].depth = 8,
+ pix_fmt_info[PIX_FMT_YUV422P].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_YUV422P].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_YUV444P].name = "yuv444p";
+ pix_fmt_info[PIX_FMT_YUV444P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUV444P].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUV444P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUV444P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUV444P].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_YUV444P].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_YUYV422].name = "yuyv422";
+ pix_fmt_info[PIX_FMT_YUYV422].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_YUYV422].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUYV422].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_YUYV422].depth = 8;
+ pix_fmt_info[PIX_FMT_YUYV422].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_YUYV422].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_UYVY422].name = "uyvy422";
+ pix_fmt_info[PIX_FMT_UYVY422].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_UYVY422].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_UYVY422].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_UYVY422].depth = 8;
+ pix_fmt_info[PIX_FMT_UYVY422].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_UYVY422].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_YUV410P].name = "yuv410p";
+ pix_fmt_info[PIX_FMT_YUV410P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUV410P].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUV410P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUV410P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUV410P].x_chroma_shift = 2;
+ pix_fmt_info[PIX_FMT_YUV410P].y_chroma_shift = 2;
+
+ pix_fmt_info[PIX_FMT_YUV411P].name = "yuv411p";
+ pix_fmt_info[PIX_FMT_YUV411P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUV411P].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUV411P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUV411P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUV411P].x_chroma_shift = 2;
+ pix_fmt_info[PIX_FMT_YUV411P].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_YUV440P].name = "yuv440p";
+ pix_fmt_info[PIX_FMT_YUV440P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUV440P].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUV440P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUV440P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUV440P].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_YUV440P].y_chroma_shift = 1;
+
+ pix_fmt_info[PIX_FMT_YUVA420P].name = "yuva420p";
+ pix_fmt_info[PIX_FMT_YUVA420P].nb_channels = 4;
+ pix_fmt_info[PIX_FMT_YUVA420P].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_YUVA420P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUVA420P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUVA420P].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_YUVA420P].y_chroma_shift = 1;
+
+ /* JPEG YUV */
+ pix_fmt_info[PIX_FMT_YUVJ420P].name = "yuvj420p";
+ pix_fmt_info[PIX_FMT_YUVJ420P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUVJ420P].color_type = FF_COLOR_YUV_JPEG;
+ pix_fmt_info[PIX_FMT_YUVJ420P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUVJ420P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUVJ420P].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_YUVJ420P].y_chroma_shift = 1;
+
+ pix_fmt_info[PIX_FMT_YUVJ422P].name = "yuvj422p";
+ pix_fmt_info[PIX_FMT_YUVJ422P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUVJ422P].color_type = FF_COLOR_YUV_JPEG;
+ pix_fmt_info[PIX_FMT_YUVJ422P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUVJ422P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUVJ422P].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_YUVJ422P].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_YUVJ444P].name = "yuvj444p";
+ pix_fmt_info[PIX_FMT_YUVJ444P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUVJ444P].color_type = FF_COLOR_YUV_JPEG;
+ pix_fmt_info[PIX_FMT_YUVJ444P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUVJ444P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUVJ444P].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_YUVJ444P].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_YUVJ440P].name = "yuvj440p";
+ pix_fmt_info[PIX_FMT_YUVJ440P].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_YUVJ440P].color_type = FF_COLOR_YUV_JPEG;
+ pix_fmt_info[PIX_FMT_YUVJ440P].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_YUVJ440P].depth = 8;
+ pix_fmt_info[PIX_FMT_YUVJ440P].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_YUVJ440P].y_chroma_shift = 1;
+
+ /* RGB formats */
+ pix_fmt_info[PIX_FMT_RGB24].name = "rgb24";
+ pix_fmt_info[PIX_FMT_RGB24].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_RGB24].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB24].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB24].depth = 8;
+ pix_fmt_info[PIX_FMT_RGB24].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB24].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_BGR24].name = "bgr24";
+ pix_fmt_info[PIX_FMT_BGR24].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_BGR24].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR24].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR24].depth = 8;
+ pix_fmt_info[PIX_FMT_BGR24].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR24].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB32].name = "rgb32";
+ pix_fmt_info[PIX_FMT_RGB32].nb_channels = 4;
+ pix_fmt_info[PIX_FMT_RGB32].is_alpha = 1;
+ pix_fmt_info[PIX_FMT_RGB32].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB32].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB32].depth = 8;
+ pix_fmt_info[PIX_FMT_RGB32].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB32].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB48BE].name = "rgb48be";
+ pix_fmt_info[PIX_FMT_RGB48BE].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_RGB48BE].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB48BE].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB48BE].depth = 16;
+ pix_fmt_info[PIX_FMT_RGB48BE].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB48BE].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB48LE].name = "rgb48le";
+ pix_fmt_info[PIX_FMT_RGB48LE].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_RGB48LE].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB48LE].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB48LE].depth = 16;
+ pix_fmt_info[PIX_FMT_RGB48LE].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB48LE].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB565].name = "rgb565";
+ pix_fmt_info[PIX_FMT_RGB565].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_RGB565].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB565].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB565].depth = 5;
+ pix_fmt_info[PIX_FMT_RGB565].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB565].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB555].name = "rgb555";
+ pix_fmt_info[PIX_FMT_RGB555].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_RGB555].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB555].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB555].depth = 5;
+ pix_fmt_info[PIX_FMT_RGB555].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB555].y_chroma_shift = 0;
+
+ /* gray / mono formats */
+ pix_fmt_info[PIX_FMT_GRAY16BE].name = "gray16be";
+ pix_fmt_info[PIX_FMT_GRAY16BE].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_GRAY16BE].color_type = FF_COLOR_GRAY;
+ pix_fmt_info[PIX_FMT_GRAY16BE].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_GRAY16BE].depth = 16;
+
+ pix_fmt_info[PIX_FMT_GRAY16LE].name = "gray16le";
+ pix_fmt_info[PIX_FMT_GRAY16LE].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_GRAY16LE].color_type = FF_COLOR_GRAY;
+ pix_fmt_info[PIX_FMT_GRAY16LE].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_GRAY16LE].depth = 16;
+
+ pix_fmt_info[PIX_FMT_GRAY8].name = "gray";
+ pix_fmt_info[PIX_FMT_GRAY8].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_GRAY8].color_type = FF_COLOR_GRAY;
+ pix_fmt_info[PIX_FMT_GRAY8].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_GRAY8].depth = 8;
+
+ pix_fmt_info[PIX_FMT_MONOWHITE].name = "monow";
+ pix_fmt_info[PIX_FMT_MONOWHITE].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_MONOWHITE].color_type = FF_COLOR_GRAY;
+ pix_fmt_info[PIX_FMT_MONOWHITE].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_MONOWHITE].depth = 1;
+
+ pix_fmt_info[PIX_FMT_MONOBLACK].name = "monob";
+ pix_fmt_info[PIX_FMT_MONOBLACK].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_MONOBLACK].color_type = FF_COLOR_GRAY;
+ pix_fmt_info[PIX_FMT_MONOBLACK].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_MONOBLACK].depth = 1;
+
+ /* paletted formats */
+ pix_fmt_info[PIX_FMT_PAL8].name = "pal8";
+ pix_fmt_info[PIX_FMT_PAL8].nb_channels = 4;
+ pix_fmt_info[PIX_FMT_PAL8].is_alpha = 1;
+ pix_fmt_info[PIX_FMT_PAL8].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_PAL8].pixel_type = FF_PIXEL_PALETTE;
+ pix_fmt_info[PIX_FMT_PAL8].depth = 8;
+
+ pix_fmt_info[PIX_FMT_UYYVYY411].name = "uyyvyy411";
+ pix_fmt_info[PIX_FMT_UYYVYY411].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_UYYVYY411].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_UYYVYY411].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_UYYVYY411].depth = 8;
+ pix_fmt_info[PIX_FMT_UYYVYY411].x_chroma_shift = 2;
+ pix_fmt_info[PIX_FMT_UYYVYY411].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_BGR32].name = "bgr32";
+ pix_fmt_info[PIX_FMT_BGR32].nb_channels = 4;
+ pix_fmt_info[PIX_FMT_BGR32].is_alpha = 1;
+ pix_fmt_info[PIX_FMT_BGR32].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR32].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR32].depth = 8;
+ pix_fmt_info[PIX_FMT_BGR32].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR32].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_BGR565].name = "bgr565";
+ pix_fmt_info[PIX_FMT_BGR565].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_BGR565].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR565].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR565].depth = 5;
+ pix_fmt_info[PIX_FMT_BGR565].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR565].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_BGR555].name = "bgr555";
+ pix_fmt_info[PIX_FMT_BGR555].nb_channels = 3;
+ pix_fmt_info[PIX_FMT_BGR555].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR555].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR555].depth = 5;
+ pix_fmt_info[PIX_FMT_BGR555].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR555].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB8].name = "rgb8";
+ pix_fmt_info[PIX_FMT_RGB8].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_RGB8].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB8].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB8].depth = 8;
+ pix_fmt_info[PIX_FMT_RGB8].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB8].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB4].name = "rgb4";
+ pix_fmt_info[PIX_FMT_RGB4].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_RGB4].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB4].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB4].depth = 4;
+ pix_fmt_info[PIX_FMT_RGB4].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB4].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB4_BYTE].name = "rgb4_byte";
+ pix_fmt_info[PIX_FMT_RGB4_BYTE].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_RGB4_BYTE].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB4_BYTE].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB4_BYTE].depth = 8;
+ pix_fmt_info[PIX_FMT_RGB4_BYTE].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB4_BYTE].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_BGR8].name = "bgr8";
+ pix_fmt_info[PIX_FMT_BGR8].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_BGR8].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR8].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR8].depth = 8;
+ pix_fmt_info[PIX_FMT_BGR8].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR8].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_BGR4].name = "bgr4";
+ pix_fmt_info[PIX_FMT_BGR4].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_BGR4].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR4].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR4].depth = 4;
+ pix_fmt_info[PIX_FMT_BGR4].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR4].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_BGR4_BYTE].name = "bgr4_byte";
+ pix_fmt_info[PIX_FMT_BGR4_BYTE].nb_channels = 1;
+ pix_fmt_info[PIX_FMT_BGR4_BYTE].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR4_BYTE].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR4_BYTE].depth = 8;
+ pix_fmt_info[PIX_FMT_BGR4_BYTE].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR4_BYTE].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_NV12].name = "nv12";
+ pix_fmt_info[PIX_FMT_NV12].nb_channels = 2;
+ pix_fmt_info[PIX_FMT_NV12].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_NV12].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_NV12].depth = 8;
+ pix_fmt_info[PIX_FMT_NV12].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_NV12].y_chroma_shift = 1;
+
+ pix_fmt_info[PIX_FMT_NV21].name = "nv12";
+ pix_fmt_info[PIX_FMT_NV21].nb_channels = 2;
+ pix_fmt_info[PIX_FMT_NV21].color_type = FF_COLOR_YUV;
+ pix_fmt_info[PIX_FMT_NV21].pixel_type = FF_PIXEL_PLANAR;
+ pix_fmt_info[PIX_FMT_NV21].depth = 8;
+ pix_fmt_info[PIX_FMT_NV21].x_chroma_shift = 1;
+ pix_fmt_info[PIX_FMT_NV21].y_chroma_shift = 1;
+
+ pix_fmt_info[PIX_FMT_BGR32_1].name = "bgr32_1";
+ pix_fmt_info[PIX_FMT_BGR32_1].nb_channels = 4;
+ pix_fmt_info[PIX_FMT_BGR32_1].is_alpha = 1;
+ pix_fmt_info[PIX_FMT_BGR32_1].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_BGR32_1].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_BGR32_1].depth = 8;
+ pix_fmt_info[PIX_FMT_BGR32_1].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_BGR32_1].y_chroma_shift = 0;
+
+ pix_fmt_info[PIX_FMT_RGB32_1].name = "rgb32_1";
+ pix_fmt_info[PIX_FMT_RGB32_1].nb_channels = 4;
+ pix_fmt_info[PIX_FMT_RGB32_1].is_alpha = 1;
+ pix_fmt_info[PIX_FMT_RGB32_1].color_type = FF_COLOR_RGB;
+ pix_fmt_info[PIX_FMT_RGB32_1].pixel_type = FF_PIXEL_PACKED;
+ pix_fmt_info[PIX_FMT_RGB32_1].depth = 8;
+ pix_fmt_info[PIX_FMT_RGB32_1].x_chroma_shift = 0;
+ pix_fmt_info[PIX_FMT_RGB32_1].y_chroma_shift = 0;
+}
+#endif
+
+void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift)
+{
+ *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift;
+ *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift;
+}
+
+int ff_set_systematic_pal(uint32_t pal[256], enum PixelFormat pix_fmt){
+ int i;
+
+ for(i=0; i<256; i++){
+ int r,g,b;
+
+ switch(pix_fmt) {
+ case PIX_FMT_RGB8:
+ r= (i>>5 )*36;
+ g= ((i>>2)&7)*36;
+ b= (i&3 )*85;
+ break;
+ case PIX_FMT_BGR8:
+ b= (i>>6 )*85;
+ g= ((i>>3)&7)*36;
+ r= (i&7 )*36;
+ break;
+ case PIX_FMT_RGB4_BYTE:
+ r= (i>>3 )*255;
+ g= ((i>>1)&3)*85;
+ b= (i&1 )*255;
+ break;
+ case PIX_FMT_BGR4_BYTE:
+ b= (i>>3 )*255;
+ g= ((i>>1)&3)*85;
+ r= (i&1 )*255;
+ break;
+ case PIX_FMT_GRAY8:
+ r=b=g= i;
+ break;
+ default:
+ return -1;
+ }
+ pal[i] = b + (g<<8) + (r<<16);
+ }
+
+ return 0;
+}
+
+int ff_fill_linesize(AVPicture *picture, enum PixelFormat pix_fmt, int width)
+{
+ int w2;
+ const PixFmtInfo *pinfo;
+
+ memset(picture->linesize, 0, sizeof(picture->linesize));
+
+ pinfo = &pix_fmt_info[pix_fmt];
+ 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;
+ picture->linesize[0] = width;
+ picture->linesize[1] = w2;
+ picture->linesize[2] = w2;
+ 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;
+ picture->linesize[0] = width;
+ picture->linesize[1] = 2 * w2;
+ break;
+ case PIX_FMT_RGB24:
+ case PIX_FMT_BGR24:
+ picture->linesize[0] = width * 3;
+ break;
+ case PIX_FMT_RGB32:
+ case PIX_FMT_BGR32:
+ case PIX_FMT_RGB32_1:
+ case PIX_FMT_BGR32_1:
+ picture->linesize[0] = width * 4;
+ break;
+ case PIX_FMT_RGB48BE:
+ case PIX_FMT_RGB48LE:
+ picture->linesize[0] = width * 6;
+ break;
+ 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:
+ picture->linesize[0] = width * 2;
+ break;
+ case PIX_FMT_UYVY422:
+ picture->linesize[0] = width * 2;
+ break;
+ case PIX_FMT_UYYVYY411:
+ picture->linesize[0] = width + width/2;
+ 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:
+ case PIX_FMT_RGB8:
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB4_BYTE:
+ case PIX_FMT_BGR4_BYTE:
+ case PIX_FMT_GRAY8:
+ picture->linesize[0] = width;
+ break;
+ default:
+ return -1;
+ }
+ return 0;
+}
+
+int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat 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] = 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;
+ picture->data[0] = ptr;
+ picture->data[1] = picture->data[0] + size;
+ picture->data[2] = NULL;
+ picture->data[3] = NULL;
+ return size + 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_RGB48BE:
+ case PIX_FMT_RGB48LE:
+ 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_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->data[3] = NULL;
+ return size;
+ case PIX_FMT_PAL8:
+ case PIX_FMT_RGB8:
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB4_BYTE:
+ case PIX_FMT_BGR4_BYTE:
+ case PIX_FMT_GRAY8:
+ 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->data[3] = NULL;
+ return size2 + 256 * 4;
+ default:
+ picture->data[0] = NULL;
+ picture->data[1] = NULL;
+ picture->data[2] = NULL;
+ picture->data[3] = NULL;
+ return -1;
+ }
+}
+
+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;
+ }
+}
+
+int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
+{
+ int bits;
+ 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;
+ }
+ 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,
+ enum PixelFormat pix_fmt, int width, int height)
+{
+ int i;
+ const PixFmtInfo *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 h;
+ int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i);
+ h = height;
+ if (i == 1 || i == 2) {
+ h= -((-height)>>pf->y_chroma_shift);
+ }
+ 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 */
+ memcpy(dst->data[1], src->data[1], 4*256);
+ break;
+ }
+}
+
+/* 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;
+
+ 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;
+ }
+}
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