lavfi: make AVFilterPad opaque after two major bumps.
[ffmpeg.git] / libavcodec / imgconvert.c
index 17c8473..90c9b7b 100644 (file)
@@ -2,25 +2,25 @@
  * Misc image conversion routines
  * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file imgconvert.c
+ * @file
  * misc image conversion routines
  */
 
 
 #include "avcodec.h"
 #include "dsputil.h"
-#include "colorspace.h"
+#include "internal.h"
+#include "imgconvert.h"
+#include "libavutil/colorspace.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/imgutils.h"
 
-#if HAVE_MMX
-#include "x86/mmx.h"
+#if HAVE_MMX && HAVE_YASM
 #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_PIXEL_PACKED   1 /**< only one components containing all the channels */
 #define FF_PIXEL_PALETTE  2  /**< one components containing indexes for a palette */
 
+#if HAVE_MMX && HAVE_YASM
+#define deinterlace_line_inplace ff_deinterlace_line_inplace_mmx
+#define deinterlace_line         ff_deinterlace_line_mmx
+#else
+#define deinterlace_line_inplace deinterlace_line_inplace_c
+#define deinterlace_line         deinterlace_line_c
+#endif
+
 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 */
 } PixFmtInfo;
 
@@ -66,187 +71,219 @@ typedef struct PixFmtInfo {
 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,
+    },
+    [PIX_FMT_YUV420P16LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_YUV,
+        .pixel_type = FF_PIXEL_PLANAR,
+        .depth = 16,
+    },
+    [PIX_FMT_YUV422P16LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_YUV,
+        .pixel_type = FF_PIXEL_PLANAR,
+        .depth = 16,
+    },
+    [PIX_FMT_YUV444P16LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_YUV,
+        .pixel_type = FF_PIXEL_PLANAR,
+        .depth = 16,
+    },
+    [PIX_FMT_YUV420P16BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_YUV,
+        .pixel_type = FF_PIXEL_PLANAR,
+        .depth = 16,
+    },
+    [PIX_FMT_YUV422P16BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_YUV,
+        .pixel_type = FF_PIXEL_PLANAR,
+        .depth = 16,
+    },
+    [PIX_FMT_YUV444P16BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_YUV,
+        .pixel_type = FF_PIXEL_PLANAR,
+        .depth = 16,
     },
 
+
     /* 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",
+    [PIX_FMT_ARGB] = {
         .nb_channels = 4, .is_alpha = 1,
         .color_type = FF_COLOR_RGB,
         .pixel_type = FF_PIXEL_PACKED,
         .depth = 8,
-        .x_chroma_shift = 0, .y_chroma_shift = 0,
     },
-    [PIX_FMT_RGB565] = {
-        .name = "rgb565",
+    [PIX_FMT_RGB48BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 16,
+    },
+    [PIX_FMT_RGB48LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 16,
+    },
+    [PIX_FMT_RGB565BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 5,
+    },
+    [PIX_FMT_RGB565LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 5,
+    },
+    [PIX_FMT_RGB555BE] = {
         .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",
+    [PIX_FMT_RGB555LE] = {
         .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_RGB444BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 4,
+    },
+    [PIX_FMT_RGB444LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 4,
     },
 
     /* 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,
@@ -255,458 +292,212 @@ static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
 
     /* paletted formats */
     [PIX_FMT_PAL8] = {
-        .name = "pal8",
         .nb_channels = 4, .is_alpha = 1,
         .color_type = FF_COLOR_RGB,
         .pixel_type = FF_PIXEL_PALETTE,
         .depth = 8,
     },
-    [PIX_FMT_XVMC_MPEG2_MC] = {
-        .name = "xvmcmc",
-    },
-    [PIX_FMT_XVMC_MPEG2_IDCT] = {
-        .name = "xvmcidct",
-    },
-    [PIX_FMT_VDPAU_MPEG1] = {
-        .name = "vdpau_mpeg1",
-    },
-    [PIX_FMT_VDPAU_MPEG2] = {
-        .name = "vdpau_mpeg2",
-    },
-    [PIX_FMT_VDPAU_H264] = {
-        .name = "vdpau_h264",
-    },
-    [PIX_FMT_VDPAU_WMV3] = {
-        .name = "vdpau_wmv3",
-    },
-    [PIX_FMT_VDPAU_VC1] = {
-        .name = "vdpau_vc1",
-    },
     [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",
+    [PIX_FMT_ABGR] = {
         .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",
+    [PIX_FMT_BGR565BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 5,
+    },
+    [PIX_FMT_BGR565LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 5,
+    },
+    [PIX_FMT_BGR555BE] = {
         .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",
+    [PIX_FMT_BGR555LE] = {
         .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_BGR444BE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 4,
+    },
+    [PIX_FMT_BGR444LE] = {
+        .nb_channels = 3,
+        .color_type = FF_COLOR_RGB,
+        .pixel_type = FF_PIXEL_PACKED,
+        .depth = 4,
     },
     [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",
+    [PIX_FMT_BGRA] = {
         .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",
+    [PIX_FMT_RGBA] = {
         .nb_channels = 4, .is_alpha = 1,
         .color_type = FF_COLOR_RGB,
         .pixel_type = FF_PIXEL_PACKED,
         .depth = 8,
-        .x_chroma_shift = 0, .y_chroma_shift = 0,
     },
 };
 
-void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift)
-{
-    *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift;
-    *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift;
-}
-
-const char *avcodec_get_pix_fmt_name(int pix_fmt)
-{
-    if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB)
-        return NULL;
-    else
-        return pix_fmt_info[pix_fmt].name;
-}
-
-enum PixelFormat avcodec_get_pix_fmt(const char* name)
-{
-    int i;
-
-    for (i=0; i < PIX_FMT_NB; i++)
-         if (!strcmp(pix_fmt_info[i].name, name))
-             return i;
-    return PIX_FMT_NONE;
-}
-
-void avcodec_pix_fmt_string (char *buf, int buf_size, int pix_fmt)
+void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *v_shift)
 {
-    /* 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 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] = 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_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_RGB8:
-    case PIX_FMT_BGR8:
-    case PIX_FMT_RGB4_BYTE:
-    case PIX_FMT_BGR4_BYTE:
-    case PIX_FMT_GRAY8:
-        picture->linesize[0] = width;
-        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;
+    *h_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w;
+    *v_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
 }
 
-int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, int pix_fmt,
-                    int height)
+int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt)
 {
-    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 * 2;
-        picture->data[0] = ptr;
-        picture->data[1] = picture->data[0] + size;
-        picture->data[2] = NULL;
-        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->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->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;
-    }
+    return av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_HWACCEL;
 }
 
 int avpicture_fill(AVPicture *picture, uint8_t *ptr,
-                   int pix_fmt, int width, int height)
+                   enum PixelFormat pix_fmt, int width, int height)
 {
+    int ret;
 
-    if(avcodec_check_dimensions(NULL, width, height))
-        return -1;
+    if ((ret = av_image_check_size(width, height, 0, NULL)) < 0)
+        return ret;
 
-    if (ff_fill_linesize(picture, pix_fmt, width))
-        return -1;
+    if ((ret = av_image_fill_linesizes(picture->linesize, pix_fmt, width)) < 0)
+        return ret;
 
-    return ff_fill_pointer(picture, ptr, pix_fmt, height);
+    return av_image_fill_pointers(picture->data, pix_fmt, height, ptr, picture->linesize);
 }
 
-int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
+int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, int height,
                      unsigned char *dest, int dest_size)
 {
-    const PixFmtInfo* pf = &pix_fmt_info[pix_fmt];
-    int i, j, w, h, data_planes;
-    const unsigned char* s;
+    int i, j, nb_planes = 0, linesizes[4];
+    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
     int size = avpicture_get_size(pix_fmt, width, height);
 
     if (size > dest_size || size < 0)
-        return -1;
+        return AVERROR(EINVAL);
 
-    if (pf->pixel_type == FF_PIXEL_PACKED || pf->pixel_type == FF_PIXEL_PALETTE) {
-        if (pix_fmt == PIX_FMT_YUYV422 ||
-            pix_fmt == PIX_FMT_UYVY422 ||
-            pix_fmt == PIX_FMT_BGR565 ||
-            pix_fmt == PIX_FMT_BGR555 ||
-            pix_fmt == PIX_FMT_RGB565 ||
-            pix_fmt == PIX_FMT_RGB555)
-            w = width * 2;
-        else if (pix_fmt == PIX_FMT_UYYVYY411)
-          w = width + width/2;
-        else if (pix_fmt == PIX_FMT_PAL8)
-          w = width;
-        else
-          w = width * (pf->depth * pf->nb_channels / 8);
-
-        data_planes = 1;
-        h = height;
-    } else {
-        data_planes = pf->nb_channels;
-        w = (width*pf->depth + 7)/8;
-        h = height;
-    }
+    for (i = 0; i < desc->nb_components; i++)
+        nb_planes = FFMAX(desc->comp[i].plane, nb_planes);
+    nb_planes++;
 
-    for (i=0; i<data_planes; i++) {
-         if (i == 1) {
-             w = width >> pf->x_chroma_shift;
-             h = height >> pf->y_chroma_shift;
-         }
-         s = src->data[i];
-         for(j=0; j<h; j++) {
-             memcpy(dest, s, w);
-             dest += w;
-             s += src->linesize[i];
-         }
+    av_image_fill_linesizes(linesizes, pix_fmt, width);
+    for (i = 0; i < nb_planes; i++) {
+        int h, shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
+        const unsigned char *s = src->data[i];
+        h = (height + (1 << shift) - 1) >> shift;
+
+        for (j = 0; j < h; j++) {
+            memcpy(dest, s, linesizes[i]);
+            dest += linesizes[i];
+            s += src->linesize[i];
+        }
     }
 
-    if (pf->pixel_type == FF_PIXEL_PALETTE)
+    if (desc->flags & PIX_FMT_PAL)
         memcpy((unsigned char *)(((size_t)dest + 3) & ~3), src->data[1], 256 * 4);
 
     return size;
 }
 
-int avpicture_get_size(int pix_fmt, int width, int height)
+int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height)
 {
     AVPicture dummy_pict;
+    if(av_image_check_size(width, height, 0, NULL))
+        return -1;
+    if (av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_PSEUDOPAL)
+        // do not include palette for these pseudo-paletted formats
+        return width * height;
     return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height);
 }
 
-int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,
+int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt,
                              int has_alpha)
 {
     const PixFmtInfo *pf, *ps;
+    const AVPixFmtDescriptor *src_desc = &av_pix_fmt_descriptors[src_pix_fmt];
+    const AVPixFmtDescriptor *dst_desc = &av_pix_fmt_descriptors[dst_pix_fmt];
     int loss;
 
     ps = &pix_fmt_info[src_pix_fmt];
-    pf = &pix_fmt_info[dst_pix_fmt];
 
     /* compute loss */
     loss = 0;
     pf = &pix_fmt_info[dst_pix_fmt];
     if (pf->depth < ps->depth ||
-        (dst_pix_fmt == PIX_FMT_RGB555 && src_pix_fmt == PIX_FMT_RGB565))
+        ((dst_pix_fmt == PIX_FMT_RGB555BE || dst_pix_fmt == PIX_FMT_RGB555LE ||
+          dst_pix_fmt == PIX_FMT_BGR555BE || dst_pix_fmt == PIX_FMT_BGR555LE) &&
+         (src_pix_fmt == PIX_FMT_RGB565BE || src_pix_fmt == PIX_FMT_RGB565LE ||
+          src_pix_fmt == PIX_FMT_BGR565BE || src_pix_fmt == PIX_FMT_BGR565LE)))
         loss |= FF_LOSS_DEPTH;
-    if (pf->x_chroma_shift > ps->x_chroma_shift ||
-        pf->y_chroma_shift > ps->y_chroma_shift)
+    if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||
+        dst_desc->log2_chroma_h > src_desc->log2_chroma_h)
         loss |= FF_LOSS_RESOLUTION;
     switch(pf->color_type) {
     case FF_COLOR_RGB:
@@ -745,10 +536,11 @@ int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,
     return loss;
 }
 
-static int avg_bits_per_pixel(int pix_fmt)
+static int avg_bits_per_pixel(enum PixelFormat pix_fmt)
 {
     int bits;
     const PixFmtInfo *pf;
+    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
 
     pf = &pix_fmt_info[pix_fmt];
     switch(pf->pixel_type) {
@@ -756,10 +548,18 @@ static int avg_bits_per_pixel(int pix_fmt)
         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:
+        case PIX_FMT_RGB565BE:
+        case PIX_FMT_RGB565LE:
+        case PIX_FMT_RGB555BE:
+        case PIX_FMT_RGB555LE:
+        case PIX_FMT_RGB444BE:
+        case PIX_FMT_RGB444LE:
+        case PIX_FMT_BGR565BE:
+        case PIX_FMT_BGR565LE:
+        case PIX_FMT_BGR555BE:
+        case PIX_FMT_BGR555LE:
+        case PIX_FMT_BGR444BE:
+        case PIX_FMT_BGR444LE:
             bits = 16;
             break;
         case PIX_FMT_UYYVYY411:
@@ -771,11 +571,11 @@ static int avg_bits_per_pixel(int pix_fmt)
         }
         break;
     case FF_PIXEL_PLANAR:
-        if (pf->x_chroma_shift == 0 && pf->y_chroma_shift == 0) {
+        if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) {
             bits = pf->depth * pf->nb_channels;
         } else {
             bits = pf->depth + ((2 * pf->depth) >>
-                                (pf->x_chroma_shift + pf->y_chroma_shift));
+                                (desc->log2_chroma_w + desc->log2_chroma_h));
         }
         break;
     case FF_PIXEL_PALETTE:
@@ -788,15 +588,16 @@ static int avg_bits_per_pixel(int pix_fmt)
     return bits;
 }
 
-static int avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask,
-                                      int src_pix_fmt,
+static enum PixelFormat avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask,
+                                      enum PixelFormat src_pix_fmt,
                                       int has_alpha,
                                       int loss_mask)
 {
-    int dist, i, loss, min_dist, dst_pix_fmt;
+    int dist, i, loss, min_dist;
+    enum PixelFormat dst_pix_fmt;
 
     /* find exact color match with smallest size */
-    dst_pix_fmt = -1;
+    dst_pix_fmt = PIX_FMT_NONE;
     min_dist = 0x7fffffff;
     for(i = 0;i < PIX_FMT_NB; i++) {
         if (pix_fmt_mask & (1ULL << i)) {
@@ -813,10 +614,11 @@ static int avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask,
     return dst_pix_fmt;
 }
 
-int avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, int src_pix_fmt,
+enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
                               int has_alpha, int *loss_ptr)
 {
-    int dst_pix_fmt, loss_mask, i;
+    enum PixelFormat dst_pix_fmt;
+    int loss_mask, i;
     static const int loss_mask_order[] = {
         ~0, /* no loss first */
         ~FF_LOSS_ALPHA,
@@ -838,1172 +640,118 @@ int avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, int src_pix_fmt,
         if (loss_mask == 0)
             break;
     }
-    return -1;
+    return PIX_FMT_NONE;
  found:
     if (loss_ptr)
         *loss_ptr = avcodec_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha);
     return dst_pix_fmt;
 }
 
-void ff_img_copy_plane(uint8_t *dst, int dst_wrap,
-                           const uint8_t *src, int src_wrap,
-                           int width, int height)
+void av_picture_copy(AVPicture *dst, const AVPicture *src,
+                     enum PixelFormat pix_fmt, int width, int height)
 {
-    if((!dst) || (!src))
-        return;
-    for(;height > 0; height--) {
-        memcpy(dst, src, width);
-        dst += dst_wrap;
-        src += src_wrap;
-    }
+    av_image_copy(dst->data, dst->linesize, src->data,
+                  src->linesize, pix_fmt, width, height);
 }
 
-int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
+/* 2x2 -> 1x1 */
+void ff_shrink22(uint8_t *dst, int dst_wrap,
+                     const uint8_t *src, int src_wrap,
+                     int width, int height)
 {
-    int bits;
-    const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
+    int w;
+    const uint8_t *s1, *s2;
+    uint8_t *d;
 
-    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;
+    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;
         }
-        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 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);
+        for(;w > 0; w--) {
+            d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
+            s1 += 2;
+            s2 += 2;
+            d++;
         }
-        break;
-    case FF_PIXEL_PALETTE:
-        ff_img_copy_plane(dst->data[0], dst->linesize[0],
-                       src->data[0], src->linesize[0],
-                       width, height);
-        /* copy the palette */
-        ff_img_copy_plane(dst->data[1], dst->linesize[1],
-                       src->data[1], src->linesize[1],
-                       4, 256);
-        break;
+        src += 2 * src_wrap;
+        dst += dst_wrap;
     }
 }
 
-/* XXX: totally non optimized */
-
-static void yuyv422_to_yuv420p(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
+/* 4x4 -> 1x1 */
+void ff_shrink44(uint8_t *dst, int dst_wrap,
+                     const uint8_t *src, int src_wrap,
+                     int width, int height)
 {
-    const uint8_t *p, *p1;
-    uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
     int w;
+    const uint8_t *s1, *s2, *s3, *s4;
+    uint8_t *d;
 
-    p1 = src->data[0];
-    lum1 = dst->data[0];
-    cb1 = dst->data[1];
-    cr1 = dst->data[2];
-
-    for(;height >= 1; height -= 2) {
-        p = p1;
-        lum = lum1;
-        cb = cb1;
-        cr = cr1;
-        for(w = width; w >= 2; w -= 2) {
-            lum[0] = p[0];
-            cb[0] = p[1];
-            lum[1] = p[2];
-            cr[0] = p[3];
-            p += 4;
-            lum += 2;
-            cb++;
-            cr++;
-        }
-        if (w) {
-            lum[0] = p[0];
-            cb[0] = p[1];
-            cr[0] = p[3];
-            cb++;
-            cr++;
-        }
-        p1 += src->linesize[0];
-        lum1 += dst->linesize[0];
-        if (height>1) {
-            p = p1;
-            lum = lum1;
-            for(w = width; w >= 2; w -= 2) {
-                lum[0] = p[0];
-                lum[1] = p[2];
-                p += 4;
-                lum += 2;
-            }
-            if (w) {
-                lum[0] = p[0];
-            }
-            p1 += src->linesize[0];
-            lum1 += dst->linesize[0];
+    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++;
         }
-        cb1 += dst->linesize[1];
-        cr1 += dst->linesize[2];
+        src += 4 * src_wrap;
+        dst += dst_wrap;
     }
 }
 
-static void uyvy422_to_yuv420p(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
+/* 8x8 -> 1x1 */
+void ff_shrink88(uint8_t *dst, int dst_wrap,
+                     const uint8_t *src, int src_wrap,
+                     int width, int height)
 {
-    const uint8_t *p, *p1;
-    uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
-    int w;
+    int w, i;
 
-    p1 = src->data[0];
-
-    lum1 = dst->data[0];
-    cb1 = dst->data[1];
-    cr1 = dst->data[2];
-
-    for(;height >= 1; height -= 2) {
-        p = p1;
-        lum = lum1;
-        cb = cb1;
-        cr = cr1;
-        for(w = width; w >= 2; w -= 2) {
-            lum[0] = p[1];
-            cb[0] = p[0];
-            lum[1] = p[3];
-            cr[0] = p[2];
-            p += 4;
-            lum += 2;
-            cb++;
-            cr++;
-        }
-        if (w) {
-            lum[0] = p[1];
-            cb[0] = p[0];
-            cr[0] = p[2];
-            cb++;
-            cr++;
-        }
-        p1 += src->linesize[0];
-        lum1 += dst->linesize[0];
-        if (height>1) {
-            p = p1;
-            lum = lum1;
-            for(w = width; w >= 2; w -= 2) {
-                lum[0] = p[1];
-                lum[1] = p[3];
-                p += 4;
-                lum += 2;
-            }
-            if (w) {
-                lum[0] = p[1];
+    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;
             }
-            p1 += src->linesize[0];
-            lum1 += dst->linesize[0];
+            *(dst++) = (tmp + 32)>>6;
+            src += 8 - 8*src_wrap;
         }
-        cb1 += dst->linesize[1];
-        cr1 += dst->linesize[2];
+        src += 8*src_wrap - 8*width;
+        dst += dst_wrap - width;
     }
 }
 
 
-static void uyvy422_to_yuv422p(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
+int avpicture_alloc(AVPicture *picture,
+                    enum PixelFormat pix_fmt, int width, int height)
 {
-    const uint8_t *p, *p1;
-    uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
-    int w;
+    int ret;
 
-    p1 = src->data[0];
-    lum1 = dst->data[0];
-    cb1 = dst->data[1];
-    cr1 = dst->data[2];
-    for(;height > 0; height--) {
-        p = p1;
-        lum = lum1;
-        cb = cb1;
-        cr = cr1;
-        for(w = width; w >= 2; w -= 2) {
-            lum[0] = p[1];
-            cb[0] = p[0];
-            lum[1] = p[3];
-            cr[0] = p[2];
-            p += 4;
-            lum += 2;
-            cb++;
-            cr++;
-        }
-        p1 += src->linesize[0];
-        lum1 += dst->linesize[0];
-        cb1 += dst->linesize[1];
-        cr1 += dst->linesize[2];
-    }
-}
-
-
-static void yuyv422_to_yuv422p(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    const uint8_t *p, *p1;
-    uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
-    int w;
-
-    p1 = src->data[0];
-    lum1 = dst->data[0];
-    cb1 = dst->data[1];
-    cr1 = dst->data[2];
-    for(;height > 0; height--) {
-        p = p1;
-        lum = lum1;
-        cb = cb1;
-        cr = cr1;
-        for(w = width; w >= 2; w -= 2) {
-            lum[0] = p[0];
-            cb[0] = p[1];
-            lum[1] = p[2];
-            cr[0] = p[3];
-            p += 4;
-            lum += 2;
-            cb++;
-            cr++;
-        }
-        p1 += src->linesize[0];
-        lum1 += dst->linesize[0];
-        cb1 += dst->linesize[1];
-        cr1 += dst->linesize[2];
-    }
-}
-
-static void yuv422p_to_yuyv422(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    uint8_t *p, *p1;
-    const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
-    int w;
-
-    p1 = dst->data[0];
-    lum1 = src->data[0];
-    cb1 = src->data[1];
-    cr1 = src->data[2];
-    for(;height > 0; height--) {
-        p = p1;
-        lum = lum1;
-        cb = cb1;
-        cr = cr1;
-        for(w = width; w >= 2; w -= 2) {
-            p[0] = lum[0];
-            p[1] = cb[0];
-            p[2] = lum[1];
-            p[3] = cr[0];
-            p += 4;
-            lum += 2;
-            cb++;
-            cr++;
-        }
-        p1 += dst->linesize[0];
-        lum1 += src->linesize[0];
-        cb1 += src->linesize[1];
-        cr1 += src->linesize[2];
-    }
-}
-
-static void yuv422p_to_uyvy422(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    uint8_t *p, *p1;
-    const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
-    int w;
-
-    p1 = dst->data[0];
-    lum1 = src->data[0];
-    cb1 = src->data[1];
-    cr1 = src->data[2];
-    for(;height > 0; height--) {
-        p = p1;
-        lum = lum1;
-        cb = cb1;
-        cr = cr1;
-        for(w = width; w >= 2; w -= 2) {
-            p[1] = lum[0];
-            p[0] = cb[0];
-            p[3] = lum[1];
-            p[2] = cr[0];
-            p += 4;
-            lum += 2;
-            cb++;
-            cr++;
-        }
-        p1 += dst->linesize[0];
-        lum1 += src->linesize[0];
-        cb1 += src->linesize[1];
-        cr1 += src->linesize[2];
-    }
-}
-
-static void uyyvyy411_to_yuv411p(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    const uint8_t *p, *p1;
-    uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
-    int w;
-
-    p1 = src->data[0];
-    lum1 = dst->data[0];
-    cb1 = dst->data[1];
-    cr1 = dst->data[2];
-    for(;height > 0; height--) {
-        p = p1;
-        lum = lum1;
-        cb = cb1;
-        cr = cr1;
-        for(w = width; w >= 4; w -= 4) {
-            cb[0] = p[0];
-            lum[0] = p[1];
-            lum[1] = p[2];
-            cr[0] = p[3];
-            lum[2] = p[4];
-            lum[3] = p[5];
-            p += 6;
-            lum += 4;
-            cb++;
-            cr++;
-        }
-        p1 += src->linesize[0];
-        lum1 += dst->linesize[0];
-        cb1 += dst->linesize[1];
-        cr1 += dst->linesize[2];
-    }
-}
-
-
-static void yuv420p_to_yuyv422(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    int w, h;
-    uint8_t *line1, *line2, *linesrc = dst->data[0];
-    uint8_t *lum1, *lum2, *lumsrc = src->data[0];
-    uint8_t *cb1, *cb2 = src->data[1];
-    uint8_t *cr1, *cr2 = src->data[2];
-
-    for(h = height / 2; h--;) {
-        line1 = linesrc;
-        line2 = linesrc + dst->linesize[0];
-
-        lum1 = lumsrc;
-        lum2 = lumsrc + src->linesize[0];
-
-        cb1 = cb2;
-        cr1 = cr2;
-
-        for(w = width / 2; w--;) {
-                *line1++ = *lum1++; *line2++ = *lum2++;
-                *line1++ =          *line2++ = *cb1++;
-                *line1++ = *lum1++; *line2++ = *lum2++;
-                *line1++ =          *line2++ = *cr1++;
-        }
-
-        linesrc += dst->linesize[0] * 2;
-        lumsrc += src->linesize[0] * 2;
-        cb2 += src->linesize[1];
-        cr2 += src->linesize[2];
-    }
-}
-
-static void yuv420p_to_uyvy422(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    int w, h;
-    uint8_t *line1, *line2, *linesrc = dst->data[0];
-    uint8_t *lum1, *lum2, *lumsrc = src->data[0];
-    uint8_t *cb1, *cb2 = src->data[1];
-    uint8_t *cr1, *cr2 = src->data[2];
-
-    for(h = height / 2; h--;) {
-        line1 = linesrc;
-        line2 = linesrc + dst->linesize[0];
-
-        lum1 = lumsrc;
-        lum2 = lumsrc + src->linesize[0];
-
-        cb1 = cb2;
-        cr1 = cr2;
-
-        for(w = width / 2; w--;) {
-                *line1++ =          *line2++ = *cb1++;
-                *line1++ = *lum1++; *line2++ = *lum2++;
-                *line1++ =          *line2++ = *cr1++;
-                *line1++ = *lum1++; *line2++ = *lum2++;
-        }
-
-        linesrc += dst->linesize[0] * 2;
-        lumsrc += src->linesize[0] * 2;
-        cb2 += src->linesize[1];
-        cr2 += src->linesize[2];
+    if ((ret = av_image_alloc(picture->data, picture->linesize, width, height, pix_fmt, 1)) < 0) {
+        memset(picture, 0, sizeof(AVPicture));
+        return ret;
     }
-}
 
-/* 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;
-    }
-}
-
-/* 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);
-}
-
-static void build_rgb_palette(uint8_t *palette, int has_alpha)
-{
-    uint32_t *pal;
-    static const uint8_t pal_value[6] = { 0x00, 0x33, 0x66, 0x99, 0xcc, 0xff };
-    int i, r, g, b;
-
-    pal = (uint32_t *)palette;
-    i = 0;
-    for(r = 0; r < 6; r++) {
-        for(g = 0; g < 6; g++) {
-            for(b = 0; b < 6; b++) {
-                pal[i++] = (0xff << 24) | (pal_value[r] << 16) |
-                    (pal_value[g] << 8) | pal_value[b];
-            }
-        }
-    }
-    if (has_alpha)
-        pal[i++] = 0;
-    while (i < 256)
-        pal[i++] = 0xff000000;
-}
-
-/* copy bit n to bits 0 ... n - 1 */
-static inline unsigned int bitcopy_n(unsigned int a, int n)
-{
-    int mask;
-    mask = (1 << n) - 1;
-    return (a & (0xff & ~mask)) | ((-((a >> n) & 1)) & mask);
-}
-
-/* rgb555 handling */
-
-#define RGB_NAME rgb555
-
-#define RGB_IN(r, g, b, s)\
-{\
-    unsigned int v = ((const uint16_t *)(s))[0];\
-    r = bitcopy_n(v >> (10 - 3), 3);\
-    g = bitcopy_n(v >> (5 - 3), 3);\
-    b = bitcopy_n(v << 3, 3);\
-}
-
-
-#define RGB_OUT(d, r, g, b)\
-{\
-    ((uint16_t *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);\
-}
-
-#define BPP 2
-
-#include "imgconvert_template.c"
-
-/* rgb565 handling */
-
-#define RGB_NAME rgb565
-
-#define RGB_IN(r, g, b, s)\
-{\
-    unsigned int v = ((const uint16_t *)(s))[0];\
-    r = bitcopy_n(v >> (11 - 3), 3);\
-    g = bitcopy_n(v >> (5 - 2), 2);\
-    b = bitcopy_n(v << 3, 3);\
-}
-
-#define RGB_OUT(d, r, g, b)\
-{\
-    ((uint16_t *)(d))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);\
-}
-
-#define BPP 2
-
-#include "imgconvert_template.c"
-
-/* bgr24 handling */
-
-#define RGB_NAME bgr24
-
-#define RGB_IN(r, g, b, s)\
-{\
-    b = (s)[0];\
-    g = (s)[1];\
-    r = (s)[2];\
-}
-
-#define RGB_OUT(d, r, g, b)\
-{\
-    (d)[0] = b;\
-    (d)[1] = g;\
-    (d)[2] = r;\
-}
-
-#define BPP 3
-
-#include "imgconvert_template.c"
-
-#undef RGB_IN
-#undef RGB_OUT
-#undef BPP
-
-/* rgb24 handling */
-
-#define RGB_NAME rgb24
-#define FMT_RGB24
-
-#define RGB_IN(r, g, b, s)\
-{\
-    r = (s)[0];\
-    g = (s)[1];\
-    b = (s)[2];\
-}
-
-#define RGB_OUT(d, r, g, b)\
-{\
-    (d)[0] = r;\
-    (d)[1] = g;\
-    (d)[2] = b;\
-}
-
-#define BPP 3
-
-#include "imgconvert_template.c"
-
-/* rgb32 handling */
-
-#define RGB_NAME rgb32
-#define FMT_RGB32
-
-#define RGB_IN(r, g, b, s)\
-{\
-    unsigned int v = ((const uint32_t *)(s))[0];\
-    r = (v >> 16) & 0xff;\
-    g = (v >> 8) & 0xff;\
-    b = v & 0xff;\
-}
-
-#define RGBA_IN(r, g, b, a, s)\
-{\
-    unsigned int v = ((const uint32_t *)(s))[0];\
-    a = (v >> 24) & 0xff;\
-    r = (v >> 16) & 0xff;\
-    g = (v >> 8) & 0xff;\
-    b = v & 0xff;\
-}
-
-#define RGBA_OUT(d, r, g, b, a)\
-{\
-    ((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;\
-}
-
-#define BPP 4
-
-#include "imgconvert_template.c"
-
-static void mono_to_gray(AVPicture *dst, const AVPicture *src,
-                         int width, int height, int xor_mask)
-{
-    const unsigned char *p;
-    unsigned char *q;
-    int v, dst_wrap, src_wrap;
-    int y, w;
-
-    p = src->data[0];
-    src_wrap = src->linesize[0] - ((width + 7) >> 3);
-
-    q = dst->data[0];
-    dst_wrap = dst->linesize[0] - width;
-    for(y=0;y<height;y++) {
-        w = width;
-        while (w >= 8) {
-            v = *p++ ^ xor_mask;
-            q[0] = -(v >> 7);
-            q[1] = -((v >> 6) & 1);
-            q[2] = -((v >> 5) & 1);
-            q[3] = -((v >> 4) & 1);
-            q[4] = -((v >> 3) & 1);
-            q[5] = -((v >> 2) & 1);
-            q[6] = -((v >> 1) & 1);
-            q[7] = -((v >> 0) & 1);
-            w -= 8;
-            q += 8;
-        }
-        if (w > 0) {
-            v = *p++ ^ xor_mask;
-            do {
-                q[0] = -((v >> 7) & 1);
-                q++;
-                v <<= 1;
-            } while (--w);
-        }
-        p += src_wrap;
-        q += dst_wrap;
-    }
-}
-
-static void monowhite_to_gray(AVPicture *dst, const AVPicture *src,
-                               int width, int height)
-{
-    mono_to_gray(dst, src, width, height, 0xff);
-}
-
-static void monoblack_to_gray(AVPicture *dst, const AVPicture *src,
-                               int width, int height)
-{
-    mono_to_gray(dst, src, width, height, 0x00);
-}
-
-static void gray_to_mono(AVPicture *dst, const AVPicture *src,
-                         int width, int height, int xor_mask)
-{
-    int n;
-    const uint8_t *s;
-    uint8_t *d;
-    int j, b, v, n1, src_wrap, dst_wrap, y;
-
-    s = src->data[0];
-    src_wrap = src->linesize[0] - width;
-
-    d = dst->data[0];
-    dst_wrap = dst->linesize[0] - ((width + 7) >> 3);
-
-    for(y=0;y<height;y++) {
-        n = width;
-        while (n >= 8) {
-            v = 0;
-            for(j=0;j<8;j++) {
-                b = s[0];
-                s++;
-                v = (v << 1) | (b >> 7);
-            }
-            d[0] = v ^ xor_mask;
-            d++;
-            n -= 8;
-        }
-        if (n > 0) {
-            n1 = n;
-            v = 0;
-            while (n > 0) {
-                b = s[0];
-                s++;
-                v = (v << 1) | (b >> 7);
-                n--;
-            }
-            d[0] = (v << (8 - (n1 & 7))) ^ xor_mask;
-            d++;
-        }
-        s += src_wrap;
-        d += dst_wrap;
-    }
-}
-
-static void gray_to_monowhite(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    gray_to_mono(dst, src, width, height, 0xff);
-}
-
-static void gray_to_monoblack(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    gray_to_mono(dst, src, width, height, 0x00);
-}
-
-static void gray_to_gray16(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    int x, y, src_wrap, dst_wrap;
-    uint8_t *s, *d;
-    s = src->data[0];
-    src_wrap = src->linesize[0] - width;
-    d = dst->data[0];
-    dst_wrap = dst->linesize[0] - width * 2;
-    for(y=0; y<height; y++){
-        for(x=0; x<width; x++){
-            *d++ = *s;
-            *d++ = *s++;
-        }
-        s += src_wrap;
-        d += dst_wrap;
-    }
-}
-
-static void gray16_to_gray(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    int x, y, src_wrap, dst_wrap;
-    uint8_t *s, *d;
-    s = src->data[0];
-    src_wrap = src->linesize[0] - width * 2;
-    d = dst->data[0];
-    dst_wrap = dst->linesize[0] - width;
-    for(y=0; y<height; y++){
-        for(x=0; x<width; x++){
-            *d++ = *s;
-            s += 2;
-        }
-        s += src_wrap;
-        d += dst_wrap;
-    }
-}
-
-static void gray16be_to_gray(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    gray16_to_gray(dst, src, width, height);
-}
-
-static void gray16le_to_gray(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    AVPicture tmpsrc = *src;
-    tmpsrc.data[0]++;
-    gray16_to_gray(dst, &tmpsrc, width, height);
-}
-
-static void gray16_to_gray16(AVPicture *dst, const AVPicture *src,
-                              int width, int height)
-{
-    int x, y, src_wrap, dst_wrap;
-    uint16_t *s, *d;
-    s = (uint16_t*)src->data[0];
-    src_wrap = (src->linesize[0] - width * 2)/2;
-    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++){
-            *d++ = bswap_16(*s++);
-        }
-        s += src_wrap;
-        d += dst_wrap;
-    }
-}
-
-
-typedef struct ConvertEntry {
-    void (*convert)(AVPicture *dst,
-                    const AVPicture *src, int width, int height);
-} ConvertEntry;
-
-/* 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:
-
-   - all FF_COLOR_RGB formats must convert to and from PIX_FMT_RGB24
-
-   - all FF_COLOR_GRAY formats must convert to and from PIX_FMT_GRAY8
-
-   - all FF_COLOR_RGB formats with alpha must convert to and from PIX_FMT_RGB32
-
-   - PIX_FMT_YUV444P and PIX_FMT_YUVJ444P must convert to and from
-     PIX_FMT_RGB24.
-
-   - PIX_FMT_422 must convert to and from PIX_FMT_422P.
-
-   The other conversion functions are just optimizations for common cases.
-*/
-static const ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = {
-    [PIX_FMT_YUV420P] = {
-        [PIX_FMT_YUYV422] = {
-            .convert = yuv420p_to_yuyv422,
-        },
-        [PIX_FMT_RGB555] = {
-            .convert = yuv420p_to_rgb555
-        },
-        [PIX_FMT_RGB565] = {
-            .convert = yuv420p_to_rgb565
-        },
-        [PIX_FMT_BGR24] = {
-            .convert = yuv420p_to_bgr24
-        },
-        [PIX_FMT_RGB24] = {
-            .convert = yuv420p_to_rgb24
-        },
-        [PIX_FMT_RGB32] = {
-            .convert = yuv420p_to_rgb32
-        },
-        [PIX_FMT_UYVY422] = {
-            .convert = yuv420p_to_uyvy422,
-        },
-    },
-    [PIX_FMT_YUV422P] = {
-        [PIX_FMT_YUYV422] = {
-            .convert = yuv422p_to_yuyv422,
-        },
-        [PIX_FMT_UYVY422] = {
-            .convert = yuv422p_to_uyvy422,
-        },
-    },
-    [PIX_FMT_YUV444P] = {
-        [PIX_FMT_RGB24] = {
-            .convert = yuv444p_to_rgb24
-        },
-    },
-    [PIX_FMT_YUVJ420P] = {
-        [PIX_FMT_RGB555] = {
-            .convert = yuvj420p_to_rgb555
-        },
-        [PIX_FMT_RGB565] = {
-            .convert = yuvj420p_to_rgb565
-        },
-        [PIX_FMT_BGR24] = {
-            .convert = yuvj420p_to_bgr24
-        },
-        [PIX_FMT_RGB24] = {
-            .convert = yuvj420p_to_rgb24
-        },
-        [PIX_FMT_RGB32] = {
-            .convert = yuvj420p_to_rgb32
-        },
-    },
-    [PIX_FMT_YUVJ444P] = {
-        [PIX_FMT_RGB24] = {
-            .convert = yuvj444p_to_rgb24
-        },
-    },
-    [PIX_FMT_YUYV422] = {
-        [PIX_FMT_YUV420P] = {
-            .convert = yuyv422_to_yuv420p,
-        },
-        [PIX_FMT_YUV422P] = {
-            .convert = yuyv422_to_yuv422p,
-        },
-    },
-    [PIX_FMT_UYVY422] = {
-        [PIX_FMT_YUV420P] = {
-            .convert = uyvy422_to_yuv420p,
-        },
-        [PIX_FMT_YUV422P] = {
-            .convert = uyvy422_to_yuv422p,
-        },
-    },
-    [PIX_FMT_RGB24] = {
-        [PIX_FMT_YUV420P] = {
-            .convert = rgb24_to_yuv420p
-        },
-        [PIX_FMT_RGB565] = {
-            .convert = rgb24_to_rgb565
-        },
-        [PIX_FMT_RGB555] = {
-            .convert = rgb24_to_rgb555
-        },
-        [PIX_FMT_RGB32] = {
-            .convert = rgb24_to_rgb32
-        },
-        [PIX_FMT_BGR24] = {
-            .convert = rgb24_to_bgr24
-        },
-        [PIX_FMT_GRAY8] = {
-            .convert = rgb24_to_gray
-        },
-        [PIX_FMT_PAL8] = {
-            .convert = rgb24_to_pal8
-        },
-        [PIX_FMT_YUV444P] = {
-            .convert = rgb24_to_yuv444p
-        },
-        [PIX_FMT_YUVJ420P] = {
-            .convert = rgb24_to_yuvj420p
-        },
-        [PIX_FMT_YUVJ444P] = {
-            .convert = rgb24_to_yuvj444p
-        },
-    },
-    [PIX_FMT_RGB32] = {
-        [PIX_FMT_RGB24] = {
-            .convert = rgb32_to_rgb24
-        },
-        [PIX_FMT_BGR24] = {
-            .convert = rgb32_to_bgr24
-        },
-        [PIX_FMT_RGB565] = {
-            .convert = rgb32_to_rgb565
-        },
-        [PIX_FMT_RGB555] = {
-            .convert = rgb32_to_rgb555
-        },
-        [PIX_FMT_PAL8] = {
-            .convert = rgb32_to_pal8
-        },
-        [PIX_FMT_YUV420P] = {
-            .convert = rgb32_to_yuv420p
-        },
-        [PIX_FMT_GRAY8] = {
-            .convert = rgb32_to_gray
-        },
-    },
-    [PIX_FMT_BGR24] = {
-        [PIX_FMT_RGB32] = {
-            .convert = bgr24_to_rgb32
-        },
-        [PIX_FMT_RGB24] = {
-            .convert = bgr24_to_rgb24
-        },
-        [PIX_FMT_YUV420P] = {
-            .convert = bgr24_to_yuv420p
-        },
-        [PIX_FMT_GRAY8] = {
-            .convert = bgr24_to_gray
-        },
-    },
-    [PIX_FMT_RGB555] = {
-        [PIX_FMT_RGB24] = {
-            .convert = rgb555_to_rgb24
-        },
-        [PIX_FMT_RGB32] = {
-            .convert = rgb555_to_rgb32
-        },
-        [PIX_FMT_YUV420P] = {
-            .convert = rgb555_to_yuv420p
-        },
-        [PIX_FMT_GRAY8] = {
-            .convert = rgb555_to_gray
-        },
-    },
-    [PIX_FMT_RGB565] = {
-        [PIX_FMT_RGB32] = {
-            .convert = rgb565_to_rgb32
-        },
-        [PIX_FMT_RGB24] = {
-            .convert = rgb565_to_rgb24
-        },
-        [PIX_FMT_YUV420P] = {
-            .convert = rgb565_to_yuv420p
-        },
-        [PIX_FMT_GRAY8] = {
-            .convert = rgb565_to_gray
-        },
-    },
-    [PIX_FMT_GRAY16BE] = {
-        [PIX_FMT_GRAY8] = {
-            .convert = gray16be_to_gray
-        },
-        [PIX_FMT_GRAY16LE] = {
-            .convert = gray16_to_gray16
-        },
-    },
-    [PIX_FMT_GRAY16LE] = {
-        [PIX_FMT_GRAY8] = {
-            .convert = gray16le_to_gray
-        },
-        [PIX_FMT_GRAY16BE] = {
-            .convert = gray16_to_gray16
-        },
-    },
-    [PIX_FMT_GRAY8] = {
-        [PIX_FMT_RGB555] = {
-            .convert = gray_to_rgb555
-        },
-        [PIX_FMT_RGB565] = {
-            .convert = gray_to_rgb565
-        },
-        [PIX_FMT_RGB24] = {
-            .convert = gray_to_rgb24
-        },
-        [PIX_FMT_BGR24] = {
-            .convert = gray_to_bgr24
-        },
-        [PIX_FMT_RGB32] = {
-            .convert = gray_to_rgb32
-        },
-        [PIX_FMT_MONOWHITE] = {
-            .convert = gray_to_monowhite
-        },
-        [PIX_FMT_MONOBLACK] = {
-            .convert = gray_to_monoblack
-        },
-        [PIX_FMT_GRAY16LE] = {
-            .convert = gray_to_gray16
-        },
-        [PIX_FMT_GRAY16BE] = {
-            .convert = gray_to_gray16
-        },
-    },
-    [PIX_FMT_MONOWHITE] = {
-        [PIX_FMT_GRAY8] = {
-            .convert = monowhite_to_gray
-        },
-    },
-    [PIX_FMT_MONOBLACK] = {
-        [PIX_FMT_GRAY8] = {
-            .convert = monoblack_to_gray
-        },
-    },
-    [PIX_FMT_PAL8] = {
-        [PIX_FMT_RGB555] = {
-            .convert = pal8_to_rgb555
-        },
-        [PIX_FMT_RGB565] = {
-            .convert = pal8_to_rgb565
-        },
-        [PIX_FMT_BGR24] = {
-            .convert = pal8_to_bgr24
-        },
-        [PIX_FMT_RGB24] = {
-            .convert = pal8_to_rgb24
-        },
-        [PIX_FMT_RGB32] = {
-            .convert = pal8_to_rgb32
-        },
-    },
-    [PIX_FMT_UYYVYY411] = {
-        [PIX_FMT_YUV411P] = {
-            .convert = uyyvyy411_to_yuv411p,
-        },
-    },
-
-};
-
-int avpicture_alloc(AVPicture *picture,
-                           int pix_fmt, int width, int height)
-{
-    int size;
-    void *ptr;
-
-    size = avpicture_get_size(pix_fmt, width, height);
-    if(size<0)
-        goto fail;
-    ptr = av_malloc(size);
-    if (!ptr)
-        goto fail;
-    avpicture_fill(picture, ptr, pix_fmt, width, height);
     return 0;
- fail:
-    memset(picture, 0, sizeof(AVPicture));
-    return -1;
 }
 
 void avpicture_free(AVPicture *picture)
@@ -2020,7 +768,7 @@ static inline int is_yuv_planar(const PixFmtInfo *ps)
 }
 
 int av_picture_crop(AVPicture *dst, const AVPicture *src,
-              int pix_fmt, int top_band, int left_band)
+                    enum PixelFormat pix_fmt, int top_band, int left_band)
 {
     int y_shift;
     int x_shift;
@@ -2028,8 +776,8 @@ int av_picture_crop(AVPicture *dst, const AVPicture *src,
     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;
+    y_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
+    x_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w;
 
     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);
@@ -2042,7 +790,7 @@ int av_picture_crop(AVPicture *dst, const AVPicture *src,
 }
 
 int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
-            int pix_fmt, int padtop, int padbottom, int padleft, int padright,
+                   enum PixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright,
             int *color)
 {
     uint8_t *optr;
@@ -2055,8 +803,8 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
         !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;
+        x_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_w : 0;
+        y_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_h : 0;
 
         if (padtop || padleft) {
             memset(dst->data[i], color[i],
@@ -2101,634 +849,14 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
     return 0;
 }
 
-#if !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)
-{
-    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 (!initialized) {
-        initialized = 1;
-        img_convert_init();
-    }
-
-    dst_width = src_width;
-    dst_height = src_height;
-
-    dst_pix = &pix_fmt_info[dst_pix_fmt];
-    src_pix = &pix_fmt_info[src_pix_fmt];
-    if (src_pix_fmt == dst_pix_fmt) {
-        /* no conversion needed: just copy */
-        av_picture_copy(dst, src, dst_pix_fmt, dst_width, dst_height);
-        return 0;
-    }
-
-    ce = &convert_table[src_pix_fmt][dst_pix_fmt];
-    if (ce->convert) {
-        /* specific conversion routine */
-        ce->convert(dst, src, dst_width, dst_height);
-        return 0;
-    }
-
-    /* gray to YUV */
-    if (is_yuv_planar(dst_pix) &&
-        src_pix_fmt == PIX_FMT_GRAY8) {
-        int w, h, y;
-        uint8_t *d;
-
-        if (dst_pix->color_type == FF_COLOR_YUV_JPEG) {
-            ff_img_copy_plane(dst->data[0], dst->linesize[0],
-                     src->data[0], src->linesize[0],
-                     dst_width, dst_height);
-        } else {
-            img_apply_table(dst->data[0], dst->linesize[0],
-                            src->data[0], src->linesize[0],
-                            dst_width, dst_height,
-                            y_jpeg_to_ccir);
-        }
-        /* fill U and V with 128 */
-        w = dst_width;
-        h = dst_height;
-        w >>= dst_pix->x_chroma_shift;
-        h >>= dst_pix->y_chroma_shift;
-        for(i = 1; i <= 2; i++) {
-            d = dst->data[i];
-            for(y = 0; y< h; y++) {
-                memset(d, 128, w);
-                d += dst->linesize[i];
-            }
-        }
-        return 0;
-    }
-
-    /* YUV to gray */
-    if (is_yuv_planar(src_pix) &&
-        dst_pix_fmt == PIX_FMT_GRAY8) {
-        if (src_pix->color_type == FF_COLOR_YUV_JPEG) {
-            ff_img_copy_plane(dst->data[0], dst->linesize[0],
-                     src->data[0], src->linesize[0],
-                     dst_width, dst_height);
-        } else {
-            img_apply_table(dst->data[0], dst->linesize[0],
-                            src->data[0], src->linesize[0],
-                            dst_width, dst_height,
-                            y_ccir_to_jpeg);
-        }
-        return 0;
-    }
-
-    /* YUV to YUV planar */
-    if (is_yuv_planar(dst_pix) && is_yuv_planar(src_pix)) {
-        int x_shift, y_shift, w, h, xy_shift;
-        void (*resize_func)(uint8_t *dst, int dst_wrap,
-                            const uint8_t *src, int src_wrap,
-                            int width, int height);
-
-        /* compute chroma size of the smallest dimensions */
-        w = dst_width;
-        h = dst_height;
-        if (dst_pix->x_chroma_shift >= src_pix->x_chroma_shift)
-            w >>= dst_pix->x_chroma_shift;
-        else
-            w >>= src_pix->x_chroma_shift;
-        if (dst_pix->y_chroma_shift >= src_pix->y_chroma_shift)
-            h >>= dst_pix->y_chroma_shift;
-        else
-            h >>= src_pix->y_chroma_shift;
-
-        x_shift = (dst_pix->x_chroma_shift - src_pix->x_chroma_shift);
-        y_shift = (dst_pix->y_chroma_shift - src_pix->y_chroma_shift);
-        xy_shift = ((x_shift & 0xf) << 4) | (y_shift & 0xf);
-        /* there must be filters for conversion at least from and to
-           YUV444 format */
-        switch(xy_shift) {
-        case 0x00:
-            resize_func = ff_img_copy_plane;
-            break;
-        case 0x10:
-            resize_func = shrink21;
-            break;
-        case 0x20:
-            resize_func = shrink41;
-            break;
-        case 0x01:
-            resize_func = shrink12;
-            break;
-        case 0x11:
-            resize_func = ff_shrink22;
-            break;
-        case 0x22:
-            resize_func = ff_shrink44;
-            break;
-        case 0xf0:
-            resize_func = grow21;
-            break;
-        case 0x0f:
-            resize_func = grow12;
-            break;
-        case 0xe0:
-            resize_func = grow41;
-            break;
-        case 0xff:
-            resize_func = grow22;
-            break;
-        case 0xee:
-            resize_func = grow44;
-            break;
-        case 0xf1:
-            resize_func = conv411;
-            break;
-        default:
-            /* currently not handled */
-            goto no_chroma_filter;
-        }
-
-        ff_img_copy_plane(dst->data[0], dst->linesize[0],
-                       src->data[0], src->linesize[0],
-                       dst_width, dst_height);
-
-        for(i = 1;i <= 2; i++)
-            resize_func(dst->data[i], dst->linesize[i],
-                        src->data[i], src->linesize[i],
-                        dst_width>>dst_pix->x_chroma_shift, dst_height>>dst_pix->y_chroma_shift);
-        /* if yuv color space conversion is needed, we do it here on
-           the destination image */
-        if (dst_pix->color_type != src_pix->color_type) {
-            const uint8_t *y_table, *c_table;
-            if (dst_pix->color_type == FF_COLOR_YUV) {
-                y_table = y_jpeg_to_ccir;
-                c_table = c_jpeg_to_ccir;
-            } else {
-                y_table = y_ccir_to_jpeg;
-                c_table = c_ccir_to_jpeg;
-            }
-            img_apply_table(dst->data[0], dst->linesize[0],
-                            dst->data[0], dst->linesize[0],
-                            dst_width, dst_height,
-                            y_table);
-
-            for(i = 1;i <= 2; i++)
-                img_apply_table(dst->data[i], dst->linesize[i],
-                                dst->data[i], dst->linesize[i],
-                                dst_width>>dst_pix->x_chroma_shift,
-                                dst_height>>dst_pix->y_chroma_shift,
-                                c_table);
-        }
-        return 0;
-    }
- no_chroma_filter:
-
-    /* try to use an intermediate format */
-    if (src_pix_fmt == PIX_FMT_YUYV422 ||
-        dst_pix_fmt == PIX_FMT_YUYV422) {
-        /* specific case: convert to YUV422P first */
-        int_pix_fmt = PIX_FMT_YUV422P;
-    } else if (src_pix_fmt == PIX_FMT_UYVY422 ||
-        dst_pix_fmt == PIX_FMT_UYVY422) {
-        /* specific case: convert to YUV422P first */
-        int_pix_fmt = PIX_FMT_YUV422P;
-    } else if (src_pix_fmt == PIX_FMT_UYYVYY411 ||
-        dst_pix_fmt == PIX_FMT_UYYVYY411) {
-        /* specific case: convert to YUV411P first */
-        int_pix_fmt = PIX_FMT_YUV411P;
-    } else if ((src_pix->color_type == FF_COLOR_GRAY &&
-                src_pix_fmt != PIX_FMT_GRAY8) ||
-               (dst_pix->color_type == FF_COLOR_GRAY &&
-                dst_pix_fmt != PIX_FMT_GRAY8)) {
-        /* gray8 is the normalized format */
-        int_pix_fmt = PIX_FMT_GRAY8;
-    } else if ((is_yuv_planar(src_pix) &&
-                src_pix_fmt != PIX_FMT_YUV444P &&
-                src_pix_fmt != PIX_FMT_YUVJ444P)) {
-        /* yuv444 is the normalized format */
-        if (src_pix->color_type == FF_COLOR_YUV_JPEG)
-            int_pix_fmt = PIX_FMT_YUVJ444P;
-        else
-            int_pix_fmt = PIX_FMT_YUV444P;
-    } else if ((is_yuv_planar(dst_pix) &&
-                dst_pix_fmt != PIX_FMT_YUV444P &&
-                dst_pix_fmt != PIX_FMT_YUVJ444P)) {
-        /* yuv444 is the normalized format */
-        if (dst_pix->color_type == FF_COLOR_YUV_JPEG)
-            int_pix_fmt = PIX_FMT_YUVJ444P;
-        else
-            int_pix_fmt = PIX_FMT_YUV444P;
-    } else {
-        /* the two formats are rgb or gray8 or yuv[j]444p */
-        if (src_pix->is_alpha && dst_pix->is_alpha)
-            int_pix_fmt = PIX_FMT_RGB32;
-        else
-            int_pix_fmt = PIX_FMT_RGB24;
-    }
-    if (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 (img_convert(tmp, int_pix_fmt,
-                    src, src_pix_fmt, src_width, src_height) < 0)
-        goto fail1;
-    if (img_convert(dst, dst_pix_fmt,
-                    tmp, int_pix_fmt, dst_width, dst_height) < 0)
-        goto fail1;
-    ret = 0;
- fail1:
-    avpicture_free(tmp);
-    return ret;
-}
-#endif
-
-/* NOTE: we scan all the pixels to have an exact information */
-static int get_alpha_info_pal8(const AVPicture *src, int width, int height)
-{
-    const unsigned char *p;
-    int src_wrap, ret, x, y;
-    unsigned int a;
-    uint32_t *palette = (uint32_t *)src->data[1];
-
-    p = src->data[0];
-    src_wrap = src->linesize[0] - width;
-    ret = 0;
-    for(y=0;y<height;y++) {
-        for(x=0;x<width;x++) {
-            a = palette[p[0]] >> 24;
-            if (a == 0x00) {
-                ret |= FF_ALPHA_TRANSP;
-            } else if (a != 0xff) {
-                ret |= FF_ALPHA_SEMI_TRANSP;
-            }
-            p++;
-        }
-        p += src_wrap;
-    }
-    return ret;
-}
-
-int img_get_alpha_info(const AVPicture *src,
-                       int pix_fmt, int width, int height)
-{
-    const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
-    int ret;
-
-    pf = &pix_fmt_info[pix_fmt];
-    /* no alpha can be represented in format */
-    if (!pf->is_alpha)
-        return 0;
-    switch(pix_fmt) {
-    case PIX_FMT_RGB32:
-        ret = get_alpha_info_rgb32(src, width, height);
-        break;
-    case PIX_FMT_PAL8:
-        ret = get_alpha_info_pal8(src, width, height);
-        break;
-    default:
-        /* we do not know, so everything is indicated */
-        ret = FF_ALPHA_TRANSP | FF_ALPHA_SEMI_TRANSP;
-        break;
-    }
-    return ret;
-}
-
-#if HAVE_MMX
-#define DEINT_INPLACE_LINE_LUM \
-                    movd_m2r(lum_m4[0],mm0);\
-                    movd_m2r(lum_m3[0],mm1);\
-                    movd_m2r(lum_m2[0],mm2);\
-                    movd_m2r(lum_m1[0],mm3);\
-                    movd_m2r(lum[0],mm4);\
-                    punpcklbw_r2r(mm7,mm0);\
-                    movd_r2m(mm2,lum_m4[0]);\
-                    punpcklbw_r2r(mm7,mm1);\
-                    punpcklbw_r2r(mm7,mm2);\
-                    punpcklbw_r2r(mm7,mm3);\
-                    punpcklbw_r2r(mm7,mm4);\
-                    paddw_r2r(mm3,mm1);\
-                    psllw_i2r(1,mm2);\
-                    paddw_r2r(mm4,mm0);\
-                    psllw_i2r(2,mm1);\
-                    paddw_r2r(mm6,mm2);\
-                    paddw_r2r(mm2,mm1);\
-                    psubusw_r2r(mm0,mm1);\
-                    psrlw_i2r(3,mm1);\
-                    packuswb_r2r(mm7,mm1);\
-                    movd_r2m(mm1,lum_m2[0]);
-
-#define DEINT_LINE_LUM \
-                    movd_m2r(lum_m4[0],mm0);\
-                    movd_m2r(lum_m3[0],mm1);\
-                    movd_m2r(lum_m2[0],mm2);\
-                    movd_m2r(lum_m1[0],mm3);\
-                    movd_m2r(lum[0],mm4);\
-                    punpcklbw_r2r(mm7,mm0);\
-                    punpcklbw_r2r(mm7,mm1);\
-                    punpcklbw_r2r(mm7,mm2);\
-                    punpcklbw_r2r(mm7,mm3);\
-                    punpcklbw_r2r(mm7,mm4);\
-                    paddw_r2r(mm3,mm1);\
-                    psllw_i2r(1,mm2);\
-                    paddw_r2r(mm4,mm0);\
-                    psllw_i2r(2,mm1);\
-                    paddw_r2r(mm6,mm2);\
-                    paddw_r2r(mm2,mm1);\
-                    psubusw_r2r(mm0,mm1);\
-                    psrlw_i2r(3,mm1);\
-                    packuswb_r2r(mm7,mm1);\
-                    movd_r2m(mm1,dst[0]);
-#endif
-
+#if !(HAVE_MMX && HAVE_YASM)
 /* filter parameters: [-1 4 2 4 -1] // 8 */
-static void deinterlace_line(uint8_t *dst,
+static void deinterlace_line_c(uint8_t *dst,
                              const uint8_t *lum_m4, const uint8_t *lum_m3,
                              const uint8_t *lum_m2, const uint8_t *lum_m1,
                              const uint8_t *lum,
                              int size)
 {
-#if !HAVE_MMX
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
     int sum;
 
@@ -2746,27 +874,12 @@ static void deinterlace_line(uint8_t *dst,
         lum++;
         dst++;
     }
-#else
-
-    {
-        pxor_r2r(mm7,mm7);
-        movq_m2r(ff_pw_4,mm6);
-    }
-    for (;size > 3; size-=4) {
-        DEINT_LINE_LUM
-        lum_m4+=4;
-        lum_m3+=4;
-        lum_m2+=4;
-        lum_m1+=4;
-        lum+=4;
-        dst+=4;
-    }
-#endif
 }
-static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t *lum_m2, uint8_t *lum_m1, uint8_t *lum,
-                             int size)
+
+static void deinterlace_line_inplace_c(uint8_t *lum_m4, uint8_t *lum_m3,
+                                       uint8_t *lum_m2, uint8_t *lum_m1,
+                                       uint8_t *lum, int size)
 {
-#if !HAVE_MMX
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
     int sum;
 
@@ -2784,22 +897,8 @@ static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t *
         lum_m1++;
         lum++;
     }
-#else
-
-    {
-        pxor_r2r(mm7,mm7);
-        movq_m2r(ff_pw_4,mm6);
-    }
-    for (;size > 3; size-=4) {
-        DEINT_INPLACE_LINE_LUM
-        lum_m4+=4;
-        lum_m3+=4;
-        lum_m2+=4;
-        lum_m1+=4;
-        lum+=4;
-    }
-#endif
 }
+#endif
 
 /* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The
    top field is copied as is, but the bottom field is deinterlaced
@@ -2839,7 +938,7 @@ static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
     uint8_t *src_m1, *src_0, *src_p1, *src_p2;
     int y;
     uint8_t *buf;
-    buf = (uint8_t*)av_malloc(width);
+    buf = av_malloc(width);
 
     src_m1 = src1;
     memcpy(buf,src_m1,width);
@@ -2859,12 +958,14 @@ static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
 }
 
 int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
-                          int pix_fmt, int width, int height)
+                          enum PixelFormat pix_fmt, int width, int height)
 {
     int i;
 
     if (pix_fmt != PIX_FMT_YUV420P &&
+        pix_fmt != PIX_FMT_YUVJ420P &&
         pix_fmt != PIX_FMT_YUV422P &&
+        pix_fmt != PIX_FMT_YUVJ422P &&
         pix_fmt != PIX_FMT_YUV444P &&
         pix_fmt != PIX_FMT_YUV411P &&
         pix_fmt != PIX_FMT_GRAY8)
@@ -2875,11 +976,13 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
     for(i=0;i<3;i++) {
         if (i == 1) {
             switch(pix_fmt) {
+            case PIX_FMT_YUVJ420P:
             case PIX_FMT_YUV420P:
                 width >>= 1;
                 height >>= 1;
                 break;
             case PIX_FMT_YUV422P:
+            case PIX_FMT_YUVJ422P:
                 width >>= 1;
                 break;
             case PIX_FMT_YUV411P:
@@ -2904,4 +1007,3 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
     emms_c();
     return 0;
 }
-