X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fimgconvert.c;h=ff4236e649bef89e20fa3103323843e13a827379;hb=43e0e0c4e56d754988f6d2d7eec1c302cee5d5ec;hp=db8709f6ee0ceb4e42b5b5e587dcb34c48a1cb39;hpb=f1ea5c2a967125bfd5250e1062f949f5edce75c2;p=ffmpeg diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index db8709f6ee0..ff4236e649b 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -1,26 +1,26 @@ /* * Misc image conversion routines - * Copyright (c) 2001, 2002, 2003 Fabrice Bellard. + * 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 */ @@ -32,2138 +32,267 @@ #include "avcodec.h" #include "dsputil.h" -#include "colorspace.h" - -#ifdef HAVE_MMX -#include "i386/mmx.h" +#include "internal.h" +#include "libavutil/colorspace.h" +#include "libavutil/common.h" +#include "libavutil/pixdesc.h" +#include "libavutil/imgutils.h" + +#if HAVE_MMX_EXTERNAL +#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 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, - }, - - /* 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, - }, - - /* RGB formats */ - [PIX_FMT_RGB24] = { - .name = "rgb24", - .nb_channels = 3, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_BGR24] = { - .name = "bgr24", - .nb_channels = 3, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_RGB32] = { - .name = "rgb32", - .nb_channels = 4, .is_alpha = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_RGB565] = { - .name = "rgb565", - .nb_channels = 3, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 5, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_RGB555] = { - .name = "rgb555", - .nb_channels = 3, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 5, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - - /* gray / mono formats */ - [PIX_FMT_GRAY16BE] = { - .name = "gray16be", - .nb_channels = 1, - .color_type = FF_COLOR_GRAY, - .pixel_type = FF_PIXEL_PLANAR, - .depth = 16, - }, - [PIX_FMT_GRAY16LE] = { - .name = "gray16le", - .nb_channels = 1, - .color_type = FF_COLOR_GRAY, - .pixel_type = FF_PIXEL_PLANAR, - .depth = 16, - }, - [PIX_FMT_GRAY8] = { - .name = "gray", - .nb_channels = 1, - .color_type = FF_COLOR_GRAY, - .pixel_type = FF_PIXEL_PLANAR, - .depth = 8, - }, - [PIX_FMT_MONOWHITE] = { - .name = "monow", - .nb_channels = 1, - .color_type = FF_COLOR_GRAY, - .pixel_type = FF_PIXEL_PLANAR, - .depth = 1, - }, - [PIX_FMT_MONOBLACK] = { - .name = "monob", - .nb_channels = 1, - .color_type = FF_COLOR_GRAY, - .pixel_type = FF_PIXEL_PLANAR, - .depth = 1, - }, - - /* paletted formats */ - [PIX_FMT_PAL8] = { - .name = "pal8", - .nb_channels = 4, .is_alpha = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PALETTE, - .depth = 8, - }, - [PIX_FMT_XVMC_MPEG2_MC] = { - .name = "xvmcmc", - }, - [PIX_FMT_XVMC_MPEG2_IDCT] = { - .name = "xvmcidct", - }, - [PIX_FMT_UYYVYY411] = { - .name = "uyyvyy411", - .nb_channels = 1, - .color_type = FF_COLOR_YUV, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 2, .y_chroma_shift = 0, - }, - [PIX_FMT_BGR32] = { - .name = "bgr32", - .nb_channels = 4, .is_alpha = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_BGR565] = { - .name = "bgr565", - .nb_channels = 3, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 5, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_BGR555] = { - .name = "bgr555", - .nb_channels = 3, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 5, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_RGB8] = { - .name = "rgb8", - .nb_channels = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_RGB4] = { - .name = "rgb4", - .nb_channels = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 4, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_RGB4_BYTE] = { - .name = "rgb4_byte", - .nb_channels = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_BGR8] = { - .name = "bgr8", - .nb_channels = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_BGR4] = { - .name = "bgr4", - .nb_channels = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 4, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_BGR4_BYTE] = { - .name = "bgr4_byte", - .nb_channels = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_NV12] = { - .name = "nv12", - .nb_channels = 2, - .color_type = FF_COLOR_YUV, - .pixel_type = FF_PIXEL_PLANAR, - .depth = 8, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - [PIX_FMT_NV21] = { - .name = "nv12", - .nb_channels = 2, - .color_type = FF_COLOR_YUV, - .pixel_type = FF_PIXEL_PLANAR, - .depth = 8, - .x_chroma_shift = 1, .y_chroma_shift = 1, - }, - - [PIX_FMT_BGR32_1] = { - .name = "bgr32_1", - .nb_channels = 4, .is_alpha = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, - [PIX_FMT_RGB32_1] = { - .name = "rgb32_1", - .nb_channels = 4, .is_alpha = 1, - .color_type = FF_COLOR_RGB, - .pixel_type = FF_PIXEL_PACKED, - .depth = 8, - .x_chroma_shift = 0, .y_chroma_shift = 0, - }, -}; - -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 "???"; - 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)) - break; - return i; -} - -void avcodec_pix_fmt_string (char *buf, int buf_size, int pix_fmt) -{ - PixFmtInfo info= pix_fmt_info[pix_fmt]; - - char is_alpha_char= info.is_alpha ? 'y' : 'n'; - - /* print header */ - if (pix_fmt < 0) - snprintf (buf, buf_size, - "name " " nb_channels" " depth" " is_alpha" - ); - else - snprintf (buf, buf_size, - "%-10s" " %1d " " %2d " " %c ", - info.name, - info.nb_channels, - info.depth, - is_alpha_char - ); -} - -int avpicture_fill(AVPicture *picture, uint8_t *ptr, - int pix_fmt, int width, int height) -{ - int size, w2, h2, size2; - const PixFmtInfo *pinfo; - - if(avcodec_check_dimensions(NULL, width, height)) - goto fail; - - pinfo = &pix_fmt_info[pix_fmt]; - size = width * height; - switch(pix_fmt) { - case PIX_FMT_YUV420P: - case PIX_FMT_YUV422P: - case PIX_FMT_YUV444P: - case PIX_FMT_YUV410P: - case PIX_FMT_YUV411P: - case PIX_FMT_YUVJ420P: - case PIX_FMT_YUVJ422P: - case PIX_FMT_YUVJ444P: - w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; - h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; - size2 = w2 * h2; - picture->data[0] = ptr; - picture->data[1] = picture->data[0] + size; - picture->data[2] = picture->data[1] + size2; - picture->linesize[0] = width; - picture->linesize[1] = w2; - picture->linesize[2] = w2; - return size + 2 * size2; - case PIX_FMT_NV12: - case PIX_FMT_NV21: - w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; - h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; - size2 = w2 * h2 * 2; - picture->data[0] = ptr; - picture->data[1] = picture->data[0] + size; - picture->data[2] = NULL; - picture->linesize[0] = width; - picture->linesize[1] = w2; - picture->linesize[2] = 0; - return size + 2 * size2; - case PIX_FMT_RGB24: - case PIX_FMT_BGR24: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = width * 3; - return size * 3; - case PIX_FMT_RGB32: - case PIX_FMT_BGR32: - case PIX_FMT_RGB32_1: - case PIX_FMT_BGR32_1: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = width * 4; - return size * 4; - 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->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = width * 2; - return size * 2; - case PIX_FMT_UYVY422: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = width * 2; - return size * 2; - case PIX_FMT_UYYVYY411: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = width + width/2; - return size + size/2; - case PIX_FMT_RGB8: - case PIX_FMT_BGR8: - case PIX_FMT_RGB4_BYTE: - case PIX_FMT_BGR4_BYTE: - case PIX_FMT_GRAY8: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = width; - return size; - case PIX_FMT_RGB4: - case PIX_FMT_BGR4: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = width / 2; - return size / 2; - case PIX_FMT_MONOWHITE: - case PIX_FMT_MONOBLACK: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->linesize[0] = (width + 7) >> 3; - return picture->linesize[0] * height; - case PIX_FMT_PAL8: - size2 = (size + 3) & ~3; - picture->data[0] = ptr; - picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */ - picture->data[2] = NULL; - picture->linesize[0] = width; - picture->linesize[1] = 4; - return size2 + 256 * 4; - default: -fail: - picture->data[0] = NULL; - picture->data[1] = NULL; - picture->data[2] = NULL; - picture->data[3] = NULL; - return -1; - } -} - -int avpicture_layout(const AVPicture* src, int 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 size = avpicture_get_size(pix_fmt, width, height); - - if (size > dest_size || size < 0) - return -1; - - 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> pf->x_chroma_shift; - h = height >> pf->y_chroma_shift; - } - s = src->data[i]; - for(j=0; jlinesize[i]; - } - } - - if (pf->pixel_type == FF_PIXEL_PALETTE) - 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) -{ - AVPicture dummy_pict; - 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 has_alpha) -{ - const PixFmtInfo *pf, *ps; - 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)) - 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(int 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 int avcodec_find_best_pix_fmt1(int pix_fmt_mask, - int src_pix_fmt, - int has_alpha, - int loss_mask) -{ - int dist, i, loss, min_dist, dst_pix_fmt; - - /* find exact color match with smallest size */ - dst_pix_fmt = -1; - min_dist = 0x7fffffff; - for(i = 0;i < PIX_FMT_NB; i++) { - if (pix_fmt_mask & (1 << 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; - } - } - } - } - return dst_pix_fmt; -} - -int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt, - int has_alpha, int *loss_ptr) -{ - int dst_pix_fmt, loss_mask, i; - static const int loss_mask_order[] = { - ~0, /* no loss first */ - ~FF_LOSS_ALPHA, - ~FF_LOSS_RESOLUTION, - ~(FF_LOSS_COLORSPACE | FF_LOSS_RESOLUTION), - ~FF_LOSS_COLORQUANT, - ~FF_LOSS_DEPTH, - 0, - }; - - /* try with successive loss */ - i = 0; - for(;;) { - loss_mask = loss_mask_order[i++]; - dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_mask, src_pix_fmt, - has_alpha, loss_mask); - if (dst_pix_fmt >= 0) - goto found; - if (loss_mask == 0) - break; - } - return -1; - 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; - } -} - -void av_picture_copy(AVPicture *dst, const AVPicture *src, - int pix_fmt, int width, int height) -{ - int bwidth, bits, i; - 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; - } - bwidth = (width * bits + 7) >> 3; - ff_img_copy_plane(dst->data[0], dst->linesize[0], - src->data[0], src->linesize[0], - bwidth, height); - break; - case FF_PIXEL_PLANAR: - for(i = 0; i < pf->nb_channels; i++) { - int w, h; - w = width; - h = height; - if (i == 1 || i == 2) { - w >>= pf->x_chroma_shift; - h >>= pf->y_chroma_shift; - } - bwidth = (w * pf->depth + 7) >> 3; - ff_img_copy_plane(dst->data[i], dst->linesize[i], - src->data[i], src->linesize[i], - bwidth, h); - } - 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; - } -} - -/* XXX: totally non optimized */ - -static void yuyv422_to_yuv420p(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 >= 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]; - } - cb1 += dst->linesize[1]; - cr1 += dst->linesize[2]; - } -} - -static void uyvy422_to_yuv420p(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 >= 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]; - } - p1 += src->linesize[0]; - lum1 += dst->linesize[0]; - } - cb1 += dst->linesize[1]; - cr1 += dst->linesize[2]; - } -} - - -static void uyvy422_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[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]; - } -} - -static uint8_t y_ccir_to_jpeg[256]; -static uint8_t y_jpeg_to_ccir[256]; -static uint8_t c_ccir_to_jpeg[256]; -static uint8_t c_jpeg_to_ccir[256]; - -/* init various conversion tables */ -static void img_convert_init(void) -{ - int i; - uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - - for(i = 0;i < 256; i++) { - y_ccir_to_jpeg[i] = Y_CCIR_TO_JPEG(i); - y_jpeg_to_ccir[i] = Y_JPEG_TO_CCIR(i); - c_ccir_to_jpeg[i] = C_CCIR_TO_JPEG(i); - c_jpeg_to_ccir[i] = C_JPEG_TO_CCIR(i); - } -} - -/* apply to each pixel the given table */ -static void img_apply_table(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height, const uint8_t *table1) -{ - int n; - const uint8_t *s; - uint8_t *d; - const uint8_t *table; - - table = table1; - for(;height > 0; height--) { - s = src; - d = dst; - n = width; - while (n >= 4) { - d[0] = table[s[0]]; - d[1] = table[s[1]]; - d[2] = table[s[2]]; - d[3] = table[s[3]]; - d += 4; - s += 4; - n -= 4; - } - while (n > 0) { - d[0] = table[s[0]]; - d++; - s++; - n--; - } - dst += dst_wrap; - src += src_wrap; - } -} - -/* XXX: use generic filter ? */ -/* XXX: in most cases, the sampling position is incorrect */ - -/* 4x1 -> 1x1 */ -static void shrink41(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s; - uint8_t *d; - - for(;height > 0; height--) { - s = src; - d = dst; - for(w = width;w > 0; w--) { - d[0] = (s[0] + s[1] + s[2] + s[3] + 2) >> 2; - s += 4; - d++; - } - src += src_wrap; - dst += dst_wrap; - } -} - -/* 2x1 -> 1x1 */ -static void shrink21(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s; - uint8_t *d; - - for(;height > 0; height--) { - s = src; - d = dst; - for(w = width;w > 0; w--) { - d[0] = (s[0] + s[1]) >> 1; - s += 2; - d++; - } - src += src_wrap; - dst += dst_wrap; - } -} - -/* 1x2 -> 1x1 */ -static void shrink12(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - uint8_t *d; - const uint8_t *s1, *s2; - - for(;height > 0; height--) { - s1 = src; - s2 = s1 + src_wrap; - d = dst; - for(w = width;w >= 4; w-=4) { - d[0] = (s1[0] + s2[0]) >> 1; - d[1] = (s1[1] + s2[1]) >> 1; - d[2] = (s1[2] + s2[2]) >> 1; - d[3] = (s1[3] + s2[3]) >> 1; - s1 += 4; - s2 += 4; - d += 4; - } - for(;w > 0; w--) { - d[0] = (s1[0] + s2[0]) >> 1; - s1++; - s2++; - d++; - } - src += 2 * src_wrap; - dst += dst_wrap; - } -} - -/* 2x2 -> 1x1 */ -void ff_shrink22(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s1, *s2; - uint8_t *d; - - for(;height > 0; height--) { - s1 = src; - s2 = s1 + src_wrap; - d = dst; - for(w = width;w >= 4; w-=4) { - d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; - d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2; - d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2; - d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2; - s1 += 8; - s2 += 8; - d += 4; - } - for(;w > 0; w--) { - d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; - s1 += 2; - s2 += 2; - d++; - } - src += 2 * src_wrap; - dst += dst_wrap; - } -} - -/* 4x4 -> 1x1 */ -void ff_shrink44(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s1, *s2, *s3, *s4; - uint8_t *d; - - for(;height > 0; height--) { - s1 = src; - s2 = s1 + src_wrap; - s3 = s2 + src_wrap; - s4 = s3 + src_wrap; - d = dst; - for(w = width;w > 0; w--) { - d[0] = (s1[0] + s1[1] + s1[2] + s1[3] + - s2[0] + s2[1] + s2[2] + s2[3] + - s3[0] + s3[1] + s3[2] + s3[3] + - s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4; - s1 += 4; - s2 += 4; - s3 += 4; - s4 += 4; - d++; - } - src += 4 * src_wrap; - dst += dst_wrap; - } -} - -/* 8x8 -> 1x1 */ -void ff_shrink88(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w, i; - - 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; - } -} - -static void grow21_line(uint8_t *dst, const uint8_t *src, - int width) -{ - int w; - const uint8_t *s1; - uint8_t *d; - - s1 = src; - d = dst; - for(w = width;w >= 4; w-=4) { - d[1] = d[0] = s1[0]; - d[3] = d[2] = s1[1]; - s1 += 2; - d += 4; - } - for(;w >= 2; w -= 2) { - d[1] = d[0] = s1[0]; - s1 ++; - d += 2; - } - /* only needed if width is not a multiple of two */ - /* XXX: veryfy that */ - if (w) { - d[0] = s1[0]; - } -} - -static void grow41_line(uint8_t *dst, const uint8_t *src, - int width) -{ - int w, v; - const uint8_t *s1; - uint8_t *d; - - s1 = src; - d = dst; - for(w = width;w >= 4; w-=4) { - v = s1[0]; - d[0] = v; - d[1] = v; - d[2] = v; - d[3] = v; - s1 ++; - d += 4; - } -} - -/* 1x1 -> 2x1 */ -static void grow21(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - for(;height > 0; height--) { - grow21_line(dst, src, width); - src += src_wrap; - dst += dst_wrap; - } -} - -/* 1x1 -> 2x2 */ -static void grow22(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - for(;height > 0; height--) { - grow21_line(dst, src, width); - if (height%2) - src += src_wrap; - dst += dst_wrap; - } -} - -/* 1x1 -> 4x1 */ -static void grow41(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - for(;height > 0; height--) { - grow41_line(dst, src, width); - src += src_wrap; - dst += dst_wrap; - } -} - -/* 1x1 -> 4x4 */ -static void grow44(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - for(;height > 0; height--) { - grow41_line(dst, src, width); - if ((height & 3) == 1) - src += src_wrap; - dst += dst_wrap; - } -} - -/* 1x2 -> 2x1 */ -static void conv411(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w, c; - const uint8_t *s1, *s2; - uint8_t *d; - - width>>=1; - - for(;height > 0; height--) { - s1 = src; - s2 = src + src_wrap; - d = dst; - for(w = width;w > 0; w--) { - c = (s1[0] + s2[0]) >> 1; - d[0] = c; - d[1] = c; - s1++; - s2++; - d += 2; - } - src += src_wrap * 2; - dst += dst_wrap; - } -} - -/* XXX: add jpeg quantize code */ - -#define TRANSP_INDEX (6*6*6) - -/* this is maybe slow, but allows for extensions */ -static inline unsigned char gif_clut_index(uint8_t r, uint8_t g, uint8_t b) -{ - return ((((r)/47)%6)*6*6+(((g)/47)%6)*6+(((b)/47)%6)); -} - -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.h" - -/* 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.h" - -/* bgr24 handling */ - -#define RGB_NAME bgr24 +#if HAVE_MMX_EXTERNAL +#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 -#define RGB_IN(r, g, b, s)\ -{\ - b = (s)[0];\ - g = (s)[1];\ - r = (s)[2];\ +void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift) +{ + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); + *h_shift = desc->log2_chroma_w; + *v_shift = desc->log2_chroma_h; } -#define RGB_OUT(d, r, g, b)\ -{\ - (d)[0] = b;\ - (d)[1] = g;\ - (d)[2] = r;\ +static int is_gray(const AVPixFmtDescriptor *desc) +{ + return desc->nb_components - (desc->flags & PIX_FMT_ALPHA) == 1; } -#define BPP 3 - -#include "imgconvert_template.h" - -#undef RGB_IN -#undef RGB_OUT -#undef BPP - -/* rgb24 handling */ - -#define RGB_NAME rgb24 -#define FMT_RGB24 +int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, + enum AVPixelFormat src_pix_fmt, + int has_alpha) +{ + 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); -#define RGB_IN(r, g, b, s)\ -{\ - r = (s)[0];\ - g = (s)[1];\ - b = (s)[2];\ -} + /* compute loss */ + loss = 0; -#define RGB_OUT(d, r, g, b)\ -{\ - (d)[0] = r;\ - (d)[1] = g;\ - (d)[2] = b;\ -} + if (dst_pix_fmt == src_pix_fmt) + return 0; -#define BPP 3 + for (i = 0; i < nb_components; i++) + if (src_desc->comp[i].depth_minus1 > dst_desc->comp[i].depth_minus1) + loss |= FF_LOSS_DEPTH; -#include "imgconvert_template.h" + 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; -/* rgb32 handling */ + if ((src_desc->flags & PIX_FMT_RGB) != (dst_desc->flags & PIX_FMT_RGB)) + loss |= FF_LOSS_COLORSPACE; -#define RGB_NAME rgb32 -#define FMT_RGB32 + if (has_alpha && !(dst_desc->flags & PIX_FMT_ALPHA) && + (dst_desc->flags & PIX_FMT_ALPHA)) + loss |= FF_LOSS_ALPHA; -#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;\ -} + if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc)) + return loss | FF_LOSS_COLORQUANT; -#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;\ -} + if (src_desc->nb_components > dst_desc->nb_components) + if (is_gray(dst_desc)) + loss |= FF_LOSS_CHROMA; -#define RGBA_OUT(d, r, g, b, a)\ -{\ - ((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;\ + return loss; } -#define BPP 4 - -#include "imgconvert_template.h" - -static void mono_to_gray(AVPicture *dst, const AVPicture *src, - int width, int height, int xor_mask) +static enum AVPixelFormat avcodec_find_best_pix_fmt1(enum AVPixelFormat *pix_fmt_list, + enum AVPixelFormat src_pix_fmt, + int has_alpha, + int loss_mask) { - const unsigned char *p; - unsigned char *q; - int v, dst_wrap, src_wrap; - int y, w; + int dist, i, loss, min_dist; + enum AVPixelFormat dst_pix_fmt; - p = src->data[0]; - src_wrap = src->linesize[0] - ((width + 7) >> 3); + /* find exact color match with smallest size */ + dst_pix_fmt = AV_PIX_FMT_NONE; + min_dist = 0x7fffffff; + i = 0; + while (pix_fmt_list[i] != AV_PIX_FMT_NONE) { + enum AVPixelFormat pix_fmt = pix_fmt_list[i]; - q = dst->data[0]; - dst_wrap = dst->linesize[0] - width; - for(y=0;y= 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 (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; } - if (w > 0) { - v = *p++ ^ xor_mask; - do { - q[0] = -((v >> 7) & 1); - q++; - v <<= 1; - } while (--w); + + 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; + } } - p += src_wrap; - q += dst_wrap; + i++; } + return dst_pix_fmt; } -static void monowhite_to_gray(AVPicture *dst, const AVPicture *src, - int width, int height) +#if FF_API_FIND_BEST_PIX_FMT +enum AVPixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum AVPixelFormat src_pix_fmt, + int has_alpha, int *loss_ptr) { - mono_to_gray(dst, src, width, height, 0xff); + enum AVPixelFormat list[64]; + int i, j = 0; + + // test only the first 64 pixel formats to avoid undefined behaviour + for (i = 0; i < 64; i++) { + if (pix_fmt_mask & (1ULL << i)) + list[j++] = i; + } + list[j] = AV_PIX_FMT_NONE; + + return avcodec_find_best_pix_fmt2(list, src_pix_fmt, has_alpha, loss_ptr); } +#endif /* FF_API_FIND_BEST_PIX_FMT */ -static void monoblack_to_gray(AVPicture *dst, const AVPicture *src, - int width, int height) +enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat *pix_fmt_list, + enum AVPixelFormat src_pix_fmt, + int has_alpha, int *loss_ptr) { - mono_to_gray(dst, src, width, height, 0x00); + enum AVPixelFormat dst_pix_fmt; + int loss_mask, i; + static const int loss_mask_order[] = { + ~0, /* no loss first */ + ~FF_LOSS_ALPHA, + ~FF_LOSS_RESOLUTION, + ~(FF_LOSS_COLORSPACE | FF_LOSS_RESOLUTION), + ~FF_LOSS_COLORQUANT, + ~FF_LOSS_DEPTH, + 0, + }; + + /* try with successive loss */ + i = 0; + for(;;) { + loss_mask = loss_mask_order[i++]; + 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 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; } -static void gray_to_mono(AVPicture *dst, const AVPicture *src, - int width, int height, int xor_mask) +/* 2x2 -> 1x1 */ +void ff_shrink22(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) { - int n; - const uint8_t *s; + int w; + const uint8_t *s1, *s2; uint8_t *d; - 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= 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; + 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; } - 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; + for(;w > 0; w--) { + d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; + s1 += 2; + s2 += 2; d++; } - s += src_wrap; - d += dst_wrap; + src += 2 * src_wrap; + dst += 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) +/* 4x4 -> 1x1 */ +void ff_shrink44(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + 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; ydata[0]; - src_wrap = src->linesize[0] - width * 2; - d = dst->data[0]; - dst_wrap = dst->linesize[0] - width; - for(y=0; y 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++; } - s += src_wrap; - d += dst_wrap; + src += 4 * src_wrap; + dst += 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) +/* 8x8 -> 1x1 */ +void ff_shrink88(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) { - AVPicture tmpsrc = *src; - tmpsrc.data[0]++; - gray16_to_gray(dst, &tmpsrc, width, height); -} + int w, i; -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 = src->data[0]; - src_wrap = (src->linesize[0] - width * 2)/2; - d = dst->data[0]; - dst_wrap = (dst->linesize[0] - width * 2)/2; - for(y=0; y 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; } - s += src_wrap; - d += dst_wrap; + src += 8*src_wrap - 8*width; + dst += dst_wrap - width; } } - -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 optimisations 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) -{ - 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 & PIX_FMT_RGB) && + (desc->flags & PIX_FMT_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); @@ -2176,21 +305,22 @@ 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 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], @@ -2211,7 +341,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, uint8_t *iptr = src->data[i]; optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift); - memcpy(optr, iptr, src->linesize[i]); + memcpy(optr, iptr, (width - padleft - padright) >> x_shift); iptr += src->linesize[i]; optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + (dst->linesize[i] - (padright >> x_shift)); @@ -2219,7 +349,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, for (y = 0; y < yheight; y++) { memset(optr, color[i], (padleft + padright) >> x_shift); memcpy(optr + ((padleft + padright) >> x_shift), iptr, - src->linesize[i]); + (width - padleft - padright) >> x_shift); iptr += src->linesize[i]; optr += dst->linesize[i]; } @@ -2235,377 +365,14 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, return 0; } -#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0) -void img_copy(AVPicture *dst, const AVPicture *src, - int pix_fmt, int width, int height) -{ - av_picture_copy(dst, src, pix_fmt, width, height); -} - -int img_crop(AVPicture *dst, const AVPicture *src, - int pix_fmt, int top_band, int left_band) -{ - return av_picture_crop(dst, src, pix_fmt, top_band, left_band); -} - -int img_pad(AVPicture *dst, const AVPicture *src, int height, int width, - int pix_fmt, int padtop, int padbottom, int padleft, int padright, - int *color) -{ - return av_picture_pad(dst, src, height, width, pix_fmt, padtop, padbottom, padleft, padright, color); -} -#endif - -#ifndef CONFIG_SWSCALER -/* XXX: always use linesize. Return -1 if not supported */ -int img_convert(AVPicture *dst, int dst_pix_fmt, - const AVPicture *src, int src_pix_fmt, - int src_width, int src_height) -{ - static int inited; - int i, ret, dst_width, dst_height, int_pix_fmt; - const PixFmtInfo *src_pix, *dst_pix; - const ConvertEntry *ce; - AVPicture tmp1, *tmp = &tmp1; - - if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB || - dst_pix_fmt < 0 || dst_pix_fmt >= PIX_FMT_NB) - return -1; - if (src_width <= 0 || src_height <= 0) - return 0; - - if (!inited) { - inited = 1; - 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 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 (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> 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; -} - -#ifdef 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_EXTERNAL /* 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) { -#ifndef HAVE_MMX uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int sum; @@ -2623,32 +390,12 @@ static void deinterlace_line(uint8_t *dst, lum++; dst++; } -#else - - { - mmx_t rounder; - rounder.uw[0]=4; - rounder.uw[1]=4; - rounder.uw[2]=4; - rounder.uw[3]=4; - pxor_r2r(mm7,mm7); - movq_m2r(rounder,mm6); - } - 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) { -#ifndef HAVE_MMX uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int sum; @@ -2666,27 +413,8 @@ static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t * lum_m1++; lum++; } -#else - - { - mmx_t rounder; - rounder.uw[0]=4; - rounder.uw[1]=4; - rounder.uw[2]=4; - rounder.uw[3]=4; - pxor_r2r(mm7,mm7); - movq_m2r(rounder,mm6); - } - 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 /* !HAVE_MMX_EXTERNAL */ /* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The top field is copied as is, but the bottom field is deinterlaced @@ -2726,7 +454,7 @@ 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); @@ -2746,14 +474,17 @@ 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 AVPixelFormat 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) + if (pix_fmt != AV_PIX_FMT_YUV420P && + pix_fmt != AV_PIX_FMT_YUVJ420P && + pix_fmt != AV_PIX_FMT_YUV422P && + pix_fmt != AV_PIX_FMT_YUVJ422P && + pix_fmt != AV_PIX_FMT_YUV444P && + pix_fmt != AV_PIX_FMT_YUV411P && + pix_fmt != AV_PIX_FMT_GRAY8) return -1; if ((width & 3) != 0 || (height & 3) != 0) return -1; @@ -2761,19 +492,24 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, for(i=0;i<3;i++) { if (i == 1) { switch(pix_fmt) { - case PIX_FMT_YUV420P: + case AV_PIX_FMT_YUVJ420P: + case AV_PIX_FMT_YUV420P: width >>= 1; height >>= 1; break; - case PIX_FMT_YUV422P: + case AV_PIX_FMT_YUV422P: + case AV_PIX_FMT_YUVJ422P: width >>= 1; break; - case PIX_FMT_YUV411P: + case AV_PIX_FMT_YUV411P: width >>= 2; break; default: break; } + if (pix_fmt == AV_PIX_FMT_GRAY8) { + break; + } } if (src == dst) { deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i], @@ -2784,9 +520,6 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, width, height); } } -#ifdef HAVE_MMX - emms(); -#endif + emms_c(); return 0; } -