X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fimgconvert.c;h=3f457fe7578d87028869e77efdf548341ed89ee0;hb=2268db2cd052674fde55c7d48b7a5098ce89b4ba;hp=ffc0f08e951c292fd092a8f1397d9c039c4a44a0;hpb=6e08ca9c5123d6953a75bfed6bd875b66f56e98f;p=ffmpeg diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index ffc0f08e951..53e7df810a4 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -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 libavcodec/imgconvert.c + * @file * misc image conversion routines */ @@ -31,959 +31,105 @@ */ #include "avcodec.h" -#include "dsputil.h" -#include "colorspace.h" +#include "imgconvert.h" +#include "internal.h" +#include "mathops.h" +#include "libavutil/colorspace.h" +#include "libavutil/common.h" +#include "libavutil/pixdesc.h" +#include "libavutil/imgutils.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 */ -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_ARGB] = { - .name = "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_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_RGB565BE] = { - .name = "rgb565be", - .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_RGB565LE] = { - .name = "rgb565le", - .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_RGB555BE] = { - .name = "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_RGB555LE] = { - .name = "rgb555le", - .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_XVMC_MPEG2_MC] = { - .name = "xvmcmc", - .is_hwaccel = 1, - }, - [PIX_FMT_XVMC_MPEG2_IDCT] = { - .name = "xvmcidct", - .is_hwaccel = 1, - }, - [PIX_FMT_VDPAU_MPEG1] = { - .name = "vdpau_mpeg1", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [PIX_FMT_VDPAU_MPEG2] = { - .name = "vdpau_mpeg2", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [PIX_FMT_VDPAU_H264] = { - .name = "vdpau_h264", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [PIX_FMT_VDPAU_WMV3] = { - .name = "vdpau_wmv3", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [PIX_FMT_VDPAU_VC1] = { - .name = "vdpau_vc1", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [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_ABGR] = { - .name = "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_BGR565BE] = { - .name = "bgr565be", - .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_BGR565LE] = { - .name = "bgr565le", - .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_BGR555BE] = { - .name = "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_BGR555LE] = { - .name = "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_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_BGRA] = { - .name = "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_RGBA] = { - .name = "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, - }, - - /* VA API formats */ - [PIX_FMT_VAAPI_MOCO] = { - .name = "vaapi_moco", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [PIX_FMT_VAAPI_IDCT] = { - .name = "vaapi_idct", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [PIX_FMT_VAAPI_VLD] = { - .name = "vaapi_vld", - .is_hwaccel = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, -}; - -void avcodec_get_chroma_sub_sample(enum PixelFormat 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(enum PixelFormat pix_fmt) -{ - if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB) - return NULL; - else - return pix_fmt_info[pix_fmt].name; -} - -static enum PixelFormat avcodec_get_pix_fmt_internal(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; -} - -#ifdef WORDS_BIGENDIAN -# define X_NE(be, le) be -#else -# define X_NE(be, le) le -#endif - -enum PixelFormat avcodec_get_pix_fmt(const char *name) -{ - enum PixelFormat pix_fmt; - - if (!strcmp(name, "rgb32")) - name = X_NE("argb", "bgra"); - else if (!strcmp(name, "bgr32")) - name = X_NE("abgr", "rgba"); - - pix_fmt = avcodec_get_pix_fmt_internal(name); - if (pix_fmt == PIX_FMT_NONE) { - char name2[32]; - snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le")); - pix_fmt = avcodec_get_pix_fmt_internal(name2); - } - return pix_fmt; -} - -void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt) -{ - /* print header */ - if (pix_fmt < 0) - snprintf (buf, buf_size, - "name " " nb_channels" " depth" " is_alpha" - ); - else{ - PixFmtInfo info= pix_fmt_info[pix_fmt]; - - char is_alpha_char= info.is_alpha ? 'y' : 'n'; - - snprintf (buf, buf_size, - "%-10s" " %1d " " %2d " " %c ", - info.name, - info.nb_channels, - info.depth, - is_alpha_char - ); - } -} - -int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt) -{ - return pix_fmt_info[pix_fmt].is_hwaccel; -} - -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) +void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift) { - 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_ARGB: - case PIX_FMT_ABGR: - case PIX_FMT_RGBA: - case PIX_FMT_BGRA: - 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; + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); + *h_shift = desc->log2_chroma_w; + *v_shift = desc->log2_chroma_h; } -int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt, - int height) +static int is_gray(const AVPixFmtDescriptor *desc) { - 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_ARGB: - case PIX_FMT_ABGR: - case PIX_FMT_RGBA: - case PIX_FMT_BGRA: - 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; - } + return desc->nb_components - (desc->flags & AV_PIX_FMT_FLAG_ALPHA) == 1; } -int avpicture_fill(AVPicture *picture, uint8_t *ptr, - enum PixelFormat pix_fmt, int width, int height) -{ - - if(avcodec_check_dimensions(NULL, width, height)) - return -1; - - if (ff_fill_linesize(picture, pix_fmt, width)) - return -1; - - return ff_fill_pointer(picture, ptr, pix_fmt, height); -} - -int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, int height, - unsigned char *dest, int dest_size) +int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, + enum AVPixelFormat src_pix_fmt, + int has_alpha) { - const PixFmtInfo* pf = &pix_fmt_info[pix_fmt]; - int i, j, w, ow, h, oh, data_planes; - const unsigned char* s; - int size = avpicture_get_size(pix_fmt, width, height); - - if (size > dest_size || size < 0) - return -1; + const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt); + const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt); + int loss, i, nb_components = FFMIN(src_desc->nb_components, + dst_desc->nb_components); - 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; - } + /* compute loss */ + loss = 0; - ow = w; - oh = h; + if (dst_pix_fmt == src_pix_fmt) + return 0; - for (i=0; i> pf->x_chroma_shift; - h = height >> pf->y_chroma_shift; - } else if (i == 3) { - w = ow; - h = oh; - } - s = src->data[i]; - for(j=0; jlinesize[i]; - } - } + for (i = 0; i < nb_components; i++) + if (src_desc->comp[i].depth > dst_desc->comp[i].depth) + loss |= FF_LOSS_DEPTH; - if (pf->pixel_type == FF_PIXEL_PALETTE) - memcpy((unsigned char *)(((size_t)dest + 3) & ~3), src->data[1], 256 * 4); + 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; - return size; -} + if ((src_desc->flags & AV_PIX_FMT_FLAG_RGB) != (dst_desc->flags & AV_PIX_FMT_FLAG_RGB)) + loss |= FF_LOSS_COLORSPACE; -int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height) -{ - AVPicture dummy_pict; - if(avcodec_check_dimensions(NULL, width, height)) - return -1; - switch (pix_fmt) { - case PIX_FMT_RGB8: - case PIX_FMT_BGR8: - case PIX_FMT_RGB4_BYTE: - case PIX_FMT_BGR4_BYTE: - case PIX_FMT_GRAY8: - // do not include palette for these pseudo-paletted formats - return width * height; - } - return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height); -} + if (has_alpha && !(dst_desc->flags & AV_PIX_FMT_FLAG_ALPHA) && + (src_desc->flags & AV_PIX_FMT_FLAG_ALPHA)) + loss |= FF_LOSS_ALPHA; -int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt, - int has_alpha) -{ - const PixFmtInfo *pf, *ps; - int loss; + if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc)) + return loss | FF_LOSS_COLORQUANT; - ps = &pix_fmt_info[src_pix_fmt]; - pf = &pix_fmt_info[dst_pix_fmt]; + if (src_desc->nb_components > dst_desc->nb_components) + if (is_gray(dst_desc)) + loss |= FF_LOSS_CHROMA; - /* compute loss */ - loss = 0; - pf = &pix_fmt_info[dst_pix_fmt]; - if (pf->depth < ps->depth || - (dst_pix_fmt == PIX_FMT_RGB555 && src_pix_fmt == PIX_FMT_RGB565)) - loss |= FF_LOSS_DEPTH; - if (pf->x_chroma_shift > ps->x_chroma_shift || - pf->y_chroma_shift > ps->y_chroma_shift) - loss |= FF_LOSS_RESOLUTION; - switch(pf->color_type) { - case FF_COLOR_RGB: - if (ps->color_type != FF_COLOR_RGB && - ps->color_type != FF_COLOR_GRAY) - loss |= FF_LOSS_COLORSPACE; - break; - case FF_COLOR_GRAY: - if (ps->color_type != FF_COLOR_GRAY) - loss |= FF_LOSS_COLORSPACE; - break; - case FF_COLOR_YUV: - if (ps->color_type != FF_COLOR_YUV) - loss |= FF_LOSS_COLORSPACE; - break; - case FF_COLOR_YUV_JPEG: - if (ps->color_type != FF_COLOR_YUV_JPEG && - ps->color_type != FF_COLOR_YUV && - ps->color_type != FF_COLOR_GRAY) - loss |= FF_LOSS_COLORSPACE; - break; - default: - /* fail safe test */ - if (ps->color_type != pf->color_type) - loss |= FF_LOSS_COLORSPACE; - break; - } - if (pf->color_type == FF_COLOR_GRAY && - ps->color_type != FF_COLOR_GRAY) - loss |= FF_LOSS_CHROMA; - if (!pf->is_alpha && (ps->is_alpha && has_alpha)) - loss |= FF_LOSS_ALPHA; - if (pf->pixel_type == FF_PIXEL_PALETTE && - (ps->pixel_type != FF_PIXEL_PALETTE && ps->color_type != FF_COLOR_GRAY)) - loss |= FF_LOSS_COLORQUANT; return loss; } -static int avg_bits_per_pixel(enum PixelFormat pix_fmt) -{ - int bits; - const PixFmtInfo *pf; - - pf = &pix_fmt_info[pix_fmt]; - switch(pf->pixel_type) { - case FF_PIXEL_PACKED: - switch(pix_fmt) { - case PIX_FMT_YUYV422: - case PIX_FMT_UYVY422: - case PIX_FMT_RGB565: - case PIX_FMT_RGB555: - case PIX_FMT_BGR565: - case PIX_FMT_BGR555: - bits = 16; - break; - case PIX_FMT_UYYVYY411: - bits = 12; - break; - default: - bits = pf->depth * pf->nb_channels; - break; - } - break; - case FF_PIXEL_PLANAR: - if (pf->x_chroma_shift == 0 && pf->y_chroma_shift == 0) { - bits = pf->depth * pf->nb_channels; - } else { - bits = pf->depth + ((2 * pf->depth) >> - (pf->x_chroma_shift + pf->y_chroma_shift)); - } - break; - case FF_PIXEL_PALETTE: - bits = 8; - break; - default: - bits = -1; - break; - } - return bits; -} - -static enum PixelFormat avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask, - enum PixelFormat src_pix_fmt, +static enum AVPixelFormat avcodec_find_best_pix_fmt1(enum AVPixelFormat *pix_fmt_list, + enum AVPixelFormat src_pix_fmt, int has_alpha, int loss_mask) { int dist, i, loss, min_dist; - enum PixelFormat dst_pix_fmt; + enum AVPixelFormat dst_pix_fmt; /* find exact color match with smallest size */ - dst_pix_fmt = -1; + dst_pix_fmt = AV_PIX_FMT_NONE; min_dist = 0x7fffffff; - for(i = 0;i < PIX_FMT_NB; i++) { - if (pix_fmt_mask & (1ULL << i)) { - loss = avcodec_get_pix_fmt_loss(i, src_pix_fmt, has_alpha) & loss_mask; - if (loss == 0) { - dist = avg_bits_per_pixel(i); - if (dist < min_dist) { - min_dist = dist; - dst_pix_fmt = i; - } + i = 0; + while (pix_fmt_list[i] != AV_PIX_FMT_NONE) { + enum AVPixelFormat pix_fmt = pix_fmt_list[i]; + + if (i > AV_PIX_FMT_NB) { + av_log(NULL, AV_LOG_ERROR, "Pixel format list longer than expected, " + "it is either not properly terminated or contains duplicates\n"); + return AV_PIX_FMT_NONE; + } + + loss = avcodec_get_pix_fmt_loss(pix_fmt, src_pix_fmt, has_alpha) & loss_mask; + if (loss == 0) { + dist = av_get_bits_per_pixel(av_pix_fmt_desc_get(pix_fmt)); + if (dist < min_dist) { + min_dist = dist; + dst_pix_fmt = pix_fmt; } } + i++; } return dst_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) +enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat *pix_fmt_list, + enum AVPixelFormat src_pix_fmt, + int has_alpha, int *loss_ptr) { - enum PixelFormat dst_pix_fmt; + enum AVPixelFormat dst_pix_fmt; int loss_mask, i; static const int loss_mask_order[] = { ~0, /* no loss first */ @@ -999,108 +145,20 @@ enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelForma i = 0; for(;;) { loss_mask = loss_mask_order[i++]; - dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_mask, src_pix_fmt, + dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_list, src_pix_fmt, has_alpha, loss_mask); if (dst_pix_fmt >= 0) goto found; if (loss_mask == 0) break; } - return -1; + return AV_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) -{ - 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]; - - 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 */ - ff_img_copy_plane(dst->data[1], dst->linesize[1], - src->data[1], src->linesize[1], - 4, 256); - break; - } -} - /* 2x2 -> 1x1 */ void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, @@ -1187,53 +245,25 @@ void ff_shrink88(uint8_t *dst, int dst_wrap, } } - -int avpicture_alloc(AVPicture *picture, - enum PixelFormat pix_fmt, int width, int height) -{ - int size; - void *ptr; - - size = avpicture_fill(picture, NULL, 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); - if(picture->data[1] && !picture->data[2]) - ff_set_systematic_pal((uint32_t*)picture->data[1], pix_fmt); - - return 0; - fail: - memset(picture, 0, sizeof(AVPicture)); - return -1; -} - -void avpicture_free(AVPicture *picture) -{ - av_free(picture->data[0]); -} - /* return true if yuv planar */ -static inline int is_yuv_planar(const PixFmtInfo *ps) +static inline int is_yuv_planar(const AVPixFmtDescriptor *desc) { - return (ps->color_type == FF_COLOR_YUV || - ps->color_type == FF_COLOR_YUV_JPEG) && - ps->pixel_type == FF_PIXEL_PLANAR; + return (!(desc->flags & AV_PIX_FMT_FLAG_RGB) && + (desc->flags & AV_PIX_FMT_FLAG_PLANAR)); } int av_picture_crop(AVPicture *dst, const AVPicture *src, - int pix_fmt, int top_band, int left_band) + enum AVPixelFormat pix_fmt, int top_band, int left_band) { + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); int y_shift; int x_shift; - if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt])) + if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB || !is_yuv_planar(desc)) return -1; - y_shift = pix_fmt_info[pix_fmt].y_chroma_shift; - x_shift = pix_fmt_info[pix_fmt].x_chroma_shift; + y_shift = desc->log2_chroma_h; + x_shift = desc->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); @@ -1246,21 +276,22 @@ int av_picture_crop(AVPicture *dst, const AVPicture *src, } int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, - enum PixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright, + enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright, int *color) { + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); uint8_t *optr; int y_shift; int x_shift; int yheight; int i, y; - if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || - !is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1; + if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB || + !is_yuv_planar(desc)) 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 ? desc->log2_chroma_w : 0; + y_shift = i ? desc->log2_chroma_h : 0; if (padtop || padleft) { memset(dst->data[i], color[i], @@ -1304,283 +335,3 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, } return 0; } - -/* 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> 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, - enum PixelFormat 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_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 - -/* filter parameters: [-1 4 2 4 -1] // 8 */ -static void deinterlace_line(uint8_t *dst, - const uint8_t *lum_m4, const uint8_t *lum_m3, - const uint8_t *lum_m2, const uint8_t *lum_m1, - const uint8_t *lum, - int size) -{ -#if !HAVE_MMX - uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - int sum; - - for(;size > 0;size--) { - sum = -lum_m4[0]; - sum += lum_m3[0] << 2; - sum += lum_m2[0] << 1; - sum += lum_m1[0] << 2; - sum += -lum[0]; - dst[0] = cm[(sum + 4) >> 3]; - lum_m4++; - lum_m3++; - lum_m2++; - lum_m1++; - 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) -{ -#if !HAVE_MMX - uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - int sum; - - for(;size > 0;size--) { - sum = -lum_m4[0]; - sum += lum_m3[0] << 2; - sum += lum_m2[0] << 1; - lum_m4[0]=lum_m2[0]; - sum += lum_m1[0] << 2; - sum += -lum[0]; - lum_m2[0] = cm[(sum + 4) >> 3]; - lum_m4++; - lum_m3++; - lum_m2++; - 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 -} - -/* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The - top field is copied as is, but the bottom field is deinterlaced - against the top field. */ -static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap, - const uint8_t *src1, int src_wrap, - int width, int height) -{ - const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2; - int y; - - src_m2 = src1; - src_m1 = src1; - src_0=&src_m1[src_wrap]; - src_p1=&src_0[src_wrap]; - src_p2=&src_p1[src_wrap]; - for(y=0;y<(height-2);y+=2) { - memcpy(dst,src_m1,width); - dst += dst_wrap; - deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width); - src_m2 = src_0; - src_m1 = src_p1; - src_0 = src_p2; - src_p1 += 2*src_wrap; - src_p2 += 2*src_wrap; - dst += dst_wrap; - } - memcpy(dst,src_m1,width); - dst += dst_wrap; - /* do last line */ - deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width); -} - -static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, - int width, int height) -{ - uint8_t *src_m1, *src_0, *src_p1, *src_p2; - int y; - uint8_t *buf; - buf = (uint8_t*)av_malloc(width); - - src_m1 = src1; - memcpy(buf,src_m1,width); - src_0=&src_m1[src_wrap]; - src_p1=&src_0[src_wrap]; - src_p2=&src_p1[src_wrap]; - for(y=0;y<(height-2);y+=2) { - deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); - src_m1 = src_p1; - src_0 = src_p2; - src_p1 += 2*src_wrap; - src_p2 += 2*src_wrap; - } - /* do last line */ - deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); - av_free(buf); -} - -int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, - enum PixelFormat pix_fmt, int width, int height) -{ - int i; - - if (pix_fmt != PIX_FMT_YUV420P && - pix_fmt != PIX_FMT_YUV422P && - pix_fmt != PIX_FMT_YUV444P && - pix_fmt != PIX_FMT_YUV411P && - pix_fmt != PIX_FMT_GRAY8) - return -1; - if ((width & 3) != 0 || (height & 3) != 0) - return -1; - - for(i=0;i<3;i++) { - if (i == 1) { - switch(pix_fmt) { - case PIX_FMT_YUV420P: - width >>= 1; - height >>= 1; - break; - case PIX_FMT_YUV422P: - width >>= 1; - break; - case PIX_FMT_YUV411P: - width >>= 2; - break; - default: - break; - } - if (pix_fmt == PIX_FMT_GRAY8) { - break; - } - } - if (src == dst) { - deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i], - width, height); - } else { - deinterlace_bottom_field(dst->data[i],dst->linesize[i], - src->data[i], src->linesize[i], - width, height); - } - } - emms_c(); - return 0; -} -