X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fimgconvert.c;h=1dcddaa48da1ed4b740f0ffe74415bb574df62b9;hb=e6303192c7c957724f1d2bb26a528869980b58c0;hp=cfebe2477c4bae60a37c300ee0d8e233babba589;hpb=185fdc549f3f65f0340bd73d954afe7216b7addd;p=ffmpeg diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index cfebe2477c4..1dcddaa48da 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -1,130 +1,390 @@ /* - * Misc image convertion routines + * Misc image conversion routines * Copyright (c) 2001, 2002, 2003 Fabrice Bellard. * - * This library is free software; you can redistribute it and/or + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * version 2.1 of the License, or (at your option) any later version. * - * This library is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file imgconvert.c + * misc image conversion routines + */ + +/* TODO: + * - write 'ffimg' program to test all the image related stuff + * - move all api to slice based system + * - integrate deinterlacing, postprocessing and scaling in the conversion process */ + #include "avcodec.h" #include "dsputil.h" - -#ifdef USE_FASTMEMCPY -#include "fastmemcpy.h" -#endif +#include "colorspace.h" #ifdef HAVE_MMX #include "i386/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_components; /* number of components in AVPicture array */ - uint8_t is_yuv : 1; /* true if YUV instead of RGB color space */ - uint8_t is_packed : 1; /* true if multiple components in same word */ - uint8_t is_paletted : 1; /* true if paletted */ - uint8_t is_alpha : 1; /* true if alpha can be specified */ - uint8_t is_gray : 1; /* true if gray or monochrome 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 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 PixFmtInfo pix_fmt_info[PIX_FMT_NB] = { +static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = { /* YUV formats */ [PIX_FMT_YUV420P] = { .name = "yuv420p", - .nb_components = 3, .is_yuv = 1, - .x_chroma_shift = 1, .y_chroma_shift = 1, + .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_components = 3, .is_yuv = 1, - .x_chroma_shift = 1, .y_chroma_shift = 0, + .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_components = 3, .is_yuv = 1, - .x_chroma_shift = 0, .y_chroma_shift = 0, + .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_YUV422] = { - .name = "yuv422", - .nb_components = 1, .is_yuv = 1, .is_packed = 1, + [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_components = 3, .is_yuv = 1, + .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_components = 3, .is_yuv = 1, + .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_components = 1, .is_packed = 1, + .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_components = 1, .is_packed = 1, + .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_RGBA32] = { - .name = "rgba32", - .nb_components = 1, .is_packed = 1, .is_alpha = 1, + [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_components = 1, .is_packed = 1, + .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_components = 1, .is_packed = 1, .is_alpha = 1, + .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_components = 1, .is_gray = 1, + .nb_channels = 1, + .color_type = FF_COLOR_GRAY, + .pixel_type = FF_PIXEL_PLANAR, + .depth = 8, }, [PIX_FMT_MONOWHITE] = { .name = "monow", - .nb_components = 1, .is_packed = 1, .is_gray = 1, + .nb_channels = 1, + .color_type = FF_COLOR_GRAY, + .pixel_type = FF_PIXEL_PLANAR, + .depth = 1, }, [PIX_FMT_MONOBLACK] = { .name = "monob", - .nb_components = 1, .is_packed = 1, .is_gray = 1, + .nb_channels = 1, + .color_type = FF_COLOR_GRAY, + .pixel_type = FF_PIXEL_PLANAR, + .depth = 1, }, /* paletted formats */ [PIX_FMT_PAL8] = { .name = "pal8", - .nb_components = 1, .is_packed = 1, .is_paletted = 1, + .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) { - if (pix_fmt_info[pix_fmt].is_yuv) { - *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift; - *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift; - } else { - *h_shift=0; - *v_shift=0; - } + *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) @@ -135,72 +395,202 @@ const char *avcodec_get_pix_fmt_name(int pix_fmt) return pix_fmt_info[pix_fmt].name; } -/* Picture field are filled with 'ptr' addresses. Also return size */ -int avpicture_fill(AVPicture *picture, uint8_t *ptr, - int pix_fmt, int width, int height) +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 ff_fill_linesize(AVPicture *picture, int pix_fmt, int width) { - int size, w2, h2, size2; - PixFmtInfo *pinfo; - + int w2; + const PixFmtInfo *pinfo; + + memset(picture->linesize, 0, sizeof(picture->linesize)); + pinfo = &pix_fmt_info[pix_fmt]; - size = width * height; switch(pix_fmt) { case PIX_FMT_YUV420P: case PIX_FMT_YUV422P: case PIX_FMT_YUV444P: case PIX_FMT_YUV410P: case PIX_FMT_YUV411P: + case PIX_FMT_YUV440P: + case PIX_FMT_YUVJ420P: + case PIX_FMT_YUVJ422P: + case PIX_FMT_YUVJ444P: + case PIX_FMT_YUVJ440P: w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; - h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; - size2 = w2 * h2; - picture->data[0] = ptr; - picture->data[1] = picture->data[0] + size; - picture->data[2] = picture->data[1] + size2; picture->linesize[0] = width; picture->linesize[1] = w2; picture->linesize[2] = w2; - return size + 2 * size2; + break; + case PIX_FMT_YUVA420P: + w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; + picture->linesize[0] = width; + picture->linesize[1] = w2; + picture->linesize[2] = w2; + picture->linesize[3] = width; + break; + case PIX_FMT_NV12: + case PIX_FMT_NV21: + w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; + picture->linesize[0] = width; + picture->linesize[1] = w2; + break; case PIX_FMT_RGB24: case PIX_FMT_BGR24: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; picture->linesize[0] = width * 3; - return size * 3; - case PIX_FMT_RGBA32: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; + break; + case PIX_FMT_RGB32: + case PIX_FMT_BGR32: + case PIX_FMT_RGB32_1: + case PIX_FMT_BGR32_1: picture->linesize[0] = width * 4; - return size * 4; + break; + case PIX_FMT_GRAY16BE: + case PIX_FMT_GRAY16LE: + case PIX_FMT_BGR555: + case PIX_FMT_BGR565: case PIX_FMT_RGB555: case PIX_FMT_RGB565: - case PIX_FMT_YUV422: - picture->data[0] = ptr; - picture->data[1] = NULL; - picture->data[2] = NULL; + case PIX_FMT_YUYV422: picture->linesize[0] = width * 2; - return size * 2; + break; + case PIX_FMT_UYVY422: + picture->linesize[0] = width * 2; + break; + case PIX_FMT_UYYVYY411: + picture->linesize[0] = width + width/2; + break; + case PIX_FMT_RGB8: + case PIX_FMT_BGR8: + case PIX_FMT_RGB4_BYTE: + case PIX_FMT_BGR4_BYTE: case PIX_FMT_GRAY8: + picture->linesize[0] = width; + break; + case PIX_FMT_RGB4: + case PIX_FMT_BGR4: + picture->linesize[0] = width / 2; + break; + case PIX_FMT_MONOWHITE: + case PIX_FMT_MONOBLACK: + picture->linesize[0] = (width + 7) >> 3; + break; + case PIX_FMT_PAL8: + picture->linesize[0] = width; + picture->linesize[1] = 4; + break; + default: + return -1; + } + return 0; +} + +int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, int pix_fmt, + int height) +{ + int size, h2, size2; + const PixFmtInfo *pinfo; + + pinfo = &pix_fmt_info[pix_fmt]; + size = picture->linesize[0] * height; + switch(pix_fmt) { + case PIX_FMT_YUV420P: + case PIX_FMT_YUV422P: + case PIX_FMT_YUV444P: + case PIX_FMT_YUV410P: + case PIX_FMT_YUV411P: + case PIX_FMT_YUV440P: + case PIX_FMT_YUVJ420P: + case PIX_FMT_YUVJ422P: + case PIX_FMT_YUVJ444P: + case PIX_FMT_YUVJ440P: + h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; + size2 = picture->linesize[1] * h2; picture->data[0] = ptr; - picture->data[1] = NULL; + picture->data[1] = picture->data[0] + size; + picture->data[2] = picture->data[1] + size2; + picture->data[3] = NULL; + return size + 2 * size2; + case PIX_FMT_YUVA420P: + h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; + size2 = picture->linesize[1] * h2; + picture->data[0] = ptr; + picture->data[1] = picture->data[0] + size; + picture->data[2] = picture->data[1] + size2; + picture->data[3] = picture->data[1] + size2 + size2; + return 2 * size + 2 * size2; + case PIX_FMT_NV12: + case PIX_FMT_NV21: + h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; + size2 = picture->linesize[1] * h2 * 2; + picture->data[0] = ptr; + picture->data[1] = picture->data[0] + size; picture->data[2] = NULL; - picture->linesize[0] = width; - return size; + picture->data[3] = NULL; + return size + 2 * size2; + case PIX_FMT_RGB24: + case PIX_FMT_BGR24: + case PIX_FMT_RGB32: + case PIX_FMT_BGR32: + case PIX_FMT_RGB32_1: + case PIX_FMT_BGR32_1: + case PIX_FMT_GRAY16BE: + case PIX_FMT_GRAY16LE: + case PIX_FMT_BGR555: + case PIX_FMT_BGR565: + case PIX_FMT_RGB555: + case PIX_FMT_RGB565: + case PIX_FMT_YUYV422: + case PIX_FMT_UYVY422: + case PIX_FMT_UYYVYY411: + case PIX_FMT_RGB8: + case PIX_FMT_BGR8: + case PIX_FMT_RGB4_BYTE: + case PIX_FMT_BGR4_BYTE: + case PIX_FMT_GRAY8: + case PIX_FMT_RGB4: + case PIX_FMT_BGR4: case PIX_FMT_MONOWHITE: case PIX_FMT_MONOBLACK: picture->data[0] = ptr; picture->data[1] = NULL; picture->data[2] = NULL; - picture->linesize[0] = (width + 7) >> 3; - return picture->linesize[0] * height; + picture->data[3] = NULL; + return size; case PIX_FMT_PAL8: size2 = (size + 3) & ~3; picture->data[0] = ptr; picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */ picture->data[2] = NULL; - picture->linesize[0] = width; - picture->linesize[1] = 4; + picture->data[3] = NULL; return size2 + 256 * 4; default: picture->data[0] = NULL; @@ -211,29 +601,343 @@ int avpicture_fill(AVPicture *picture, uint8_t *ptr, } } +int avpicture_fill(AVPicture *picture, uint8_t *ptr, + int pix_fmt, int width, int height) +{ + + if(avcodec_check_dimensions(NULL, width, height)) + return -1; + + if (ff_fill_linesize(picture, pix_fmt, width)) + return -1; + + return ff_fill_pointer(picture, ptr, pix_fmt, height); +} + +int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height, + unsigned char *dest, int dest_size) +{ + 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; + } +} + +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 >>= pf->x_chroma_shift; + + return (width * pf->depth + 7) >> 3; + break; + case FF_PIXEL_PALETTE: + if (plane == 0) + return width; + break; + } + + return -1; +} + +void av_picture_copy(AVPicture *dst, const AVPicture *src, + int pix_fmt, int width, int height) +{ + int i; + const PixFmtInfo *pf = &pix_fmt_info[pix_fmt]; + + pf = &pix_fmt_info[pix_fmt]; + switch(pf->pixel_type) { + case FF_PIXEL_PACKED: + case FF_PIXEL_PLANAR: + for(i = 0; i < pf->nb_channels; i++) { + int w, h; + int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i); + w = width; + h = height; + if (i == 1 || i == 2) { + w >>= pf->x_chroma_shift; + h >>= 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; + } +} /* XXX: totally non optimized */ -static void yuv422_to_yuv420p(AVPicture *dst, AVPicture *src, +static void yuyv422_to_yuv420p(AVPicture *dst, const AVPicture *src, int width, int height) { - uint8_t *lum, *cb, *cr; - int x, y; - const uint8_t *p; - - lum = dst->data[0]; - cb = dst->data[1]; - cr = dst->data[2]; - p = src->data[0]; - - for(y=0;ydata[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]; @@ -243,75 +947,352 @@ static void yuv422_to_yuv420p(AVPicture *dst, AVPicture *src, cb++; cr++; } - for(x=0;xlinesize[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]; } } -#define SCALEBITS 8 -#define ONE_HALF (1 << (SCALEBITS - 1)) -#define FIX(x) ((int) ((x) * (1L< 1x1 */ -static void shrink2(uint8_t *dst, int dst_wrap, - uint8_t *src, int src_wrap, - int width, int height) +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; - uint8_t *s1, *s2, *d; + p1 = src->data[0]; + lum1 = dst->data[0]; + cb1 = dst->data[1]; + cr1 = dst->data[2]; 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; + 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++; } - for(;w > 0; w--) { - d[0] = (s1[0] + s2[0]) >> 1; - s1++; - s2++; - d++; + 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++; } - src += 2 * src_wrap; - dst += dst_wrap; + + 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]; } } /* 2x2 -> 1x1 */ -static void shrink22(uint8_t *dst, int dst_wrap, - uint8_t *src, int src_wrap, +void ff_shrink22(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, int width, int height) { int w; - uint8_t *s1, *s2, *d; + 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) >> 1; - d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 1; - d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 1; - d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 1; + 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) >> 1; + d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; s1 += 2; s2 += 2; d++; @@ -321,410 +1302,89 @@ static void shrink22(uint8_t *dst, int dst_wrap, } } -/* 1x1 -> 2x2 */ -static void grow22(uint8_t *dst, int dst_wrap, - uint8_t *src, int src_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; - uint8_t *s1, *d; + 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 >= 4; w-=4) { - d[1] = d[0] = s1[0]; - d[3] = d[2] = s1[1]; - s1 += 2; - d += 4; - } - for(;w > 0; w--) { - d[0] = s1[0]; - s1 ++; + 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++; } - if (height%2) - src += src_wrap; + src += 4 * src_wrap; dst += dst_wrap; } } -/* 1x2 -> 2x1 */ -static void conv411(uint8_t *dst, int dst_wrap, - uint8_t *src, int src_wrap, - 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) { - int w, c; - uint8_t *s1, *s2, *d; + int w, i; 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; + 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 += src_wrap * 2; - dst += dst_wrap; + src += 8*src_wrap - 8*width; + dst += dst_wrap - width; } } -static void img_copy(uint8_t *dst, int dst_wrap, - uint8_t *src, int src_wrap, - int width, int height) +/* 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) { - for(;height > 0; height--) { - memcpy(dst, src, width); - dst += dst_wrap; - src += src_wrap; - } + return (((r) / 47) % 6) * 6 * 6 + (((g) / 47) % 6) * 6 + (((b) / 47) % 6); } -#define SCALE_BITS 10 - -#define C_Y (76309 >> (16 - SCALE_BITS)) -#define C_RV (117504 >> (16 - SCALE_BITS)) -#define C_BU (138453 >> (16 - SCALE_BITS)) -#define C_GU (13954 >> (16 - SCALE_BITS)) -#define C_GV (34903 >> (16 - SCALE_BITS)) +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; -#define YUV_TO_RGB2(r, g, b, y1)\ -{\ - y = (y1 - 16) * C_Y;\ - r = cm[(y + r_add) >> SCALE_BITS];\ - g = cm[(y + g_add) >> SCALE_BITS];\ - b = cm[(y + b_add) >> SCALE_BITS];\ -} - -/* XXX: no chroma interpolating is done */ -#define RGB_FUNCTIONS(rgb_name) \ - \ -static void yuv420p_to_ ## rgb_name (AVPicture *dst, AVPicture *src, \ - int width, int height) \ -{ \ - uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *d, *d1, *d2; \ - int w, y, cb, cr, r_add, g_add, b_add, width2; \ - uint8_t *cm = cropTbl + MAX_NEG_CROP; \ - unsigned int r, g, b; \ - \ - d = dst->data[0]; \ - y1_ptr = src->data[0]; \ - cb_ptr = src->data[1]; \ - cr_ptr = src->data[2]; \ - width2 = (width + 1) >> 1; \ - for(;height >= 2; height -= 2) { \ - d1 = d; \ - d2 = d + dst->linesize[0]; \ - y2_ptr = y1_ptr + src->linesize[0]; \ - for(w = width; w >= 2; w -= 2) { \ - cb = cb_ptr[0] - 128; \ - cr = cr_ptr[0] - 128; \ - r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ - g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ - b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ - \ - /* output 4 pixels */ \ - YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ - RGB_OUT(d1, r, g, b); \ - \ - YUV_TO_RGB2(r, g, b, y1_ptr[1]); \ - RGB_OUT(d1 + BPP, r, g, b); \ - \ - YUV_TO_RGB2(r, g, b, y2_ptr[0]); \ - RGB_OUT(d2, r, g, b); \ - \ - YUV_TO_RGB2(r, g, b, y2_ptr[1]); \ - RGB_OUT(d2 + BPP, r, g, b); \ - \ - d1 += 2 * BPP; \ - d2 += 2 * BPP; \ - \ - y1_ptr += 2; \ - y2_ptr += 2; \ - cb_ptr++; \ - cr_ptr++; \ - } \ - /* handle odd width */ \ - if (w) { \ - cb = cb_ptr[0] - 128; \ - cr = cr_ptr[0] - 128; \ - r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ - g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ - b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ - \ - YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ - RGB_OUT(d1, r, g, b); \ - \ - YUV_TO_RGB2(r, g, b, y2_ptr[0]); \ - RGB_OUT(d2, r, g, b); \ - d1 += BPP; \ - d2 += BPP; \ - y1_ptr++; \ - y2_ptr++; \ - cb_ptr++; \ - cr_ptr++; \ - } \ - d += 2 * dst->linesize[0]; \ - y1_ptr += 2 * src->linesize[0] - width; \ - cb_ptr += src->linesize[1] - width2; \ - cr_ptr += src->linesize[2] - width2; \ - } \ - /* handle odd height */ \ - if (height) { \ - d1 = d; \ - for(w = width; w >= 2; w -= 2) { \ - cb = cb_ptr[0] - 128; \ - cr = cr_ptr[0] - 128; \ - r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ - g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ - b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ - \ - /* output 2 pixels */ \ - YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ - RGB_OUT(d1, r, g, b); \ - \ - YUV_TO_RGB2(r, g, b, y1_ptr[1]); \ - RGB_OUT(d1 + BPP, r, g, b); \ - \ - d1 += 2 * BPP; \ - \ - y1_ptr += 2; \ - cb_ptr++; \ - cr_ptr++; \ - } \ - /* handle width */ \ - if (w) { \ - cb = cb_ptr[0] - 128; \ - cr = cr_ptr[0] - 128; \ - r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ - g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ - b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ - \ - /* output 2 pixels */ \ - YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ - RGB_OUT(d1, r, g, b); \ - d1 += BPP; \ - \ - y1_ptr++; \ - cb_ptr++; \ - cr_ptr++; \ - } \ - } \ -} \ - \ -/* XXX: no chroma interpolating is done */ \ -static void yuv422p_to_ ## rgb_name (AVPicture *dst, AVPicture *src, \ - int width, int height) \ -{ \ - uint8_t *y1_ptr, *cb_ptr, *cr_ptr, *d, *d1; \ - int w, y, cb, cr, r_add, g_add, b_add, width2; \ - uint8_t *cm = cropTbl + MAX_NEG_CROP; \ - unsigned int r, g, b; \ - \ - d = dst->data[0]; \ - y1_ptr = src->data[0]; \ - cb_ptr = src->data[1]; \ - cr_ptr = src->data[2]; \ - width2 = (width + 1) >> 1; \ - for(;height > 0; height --) { \ - d1 = d; \ - for(w = width; w >= 2; w -= 2) { \ - cb = cb_ptr[0] - 128; \ - cr = cr_ptr[0] - 128; \ - r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ - g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ - b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ - \ - /* output 2 pixels */ \ - YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ - RGB_OUT(d1, r, g, b); \ - \ - YUV_TO_RGB2(r, g, b, y1_ptr[1]); \ - RGB_OUT(d1 + BPP, r, g, b); \ - \ - d1 += 2 * BPP; \ - \ - y1_ptr += 2; \ - cb_ptr++; \ - cr_ptr++; \ - } \ - /* handle width */ \ - if (w) { \ - cb = cb_ptr[0] - 128; \ - cr = cr_ptr[0] - 128; \ - r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ - g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ - b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ - \ - /* output 2 pixels */ \ - YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ - RGB_OUT(d1, r, g, b); \ - d1 += BPP; \ - \ - y1_ptr++; \ - cb_ptr++; \ - cr_ptr++; \ - } \ - d += dst->linesize[0]; \ - y1_ptr += src->linesize[0] - width; \ - cb_ptr += src->linesize[1] - width2; \ - cr_ptr += src->linesize[2] - width2; \ - } \ -} \ - \ -static void rgb_name ## _to_yuv420p(AVPicture *dst, AVPicture *src, \ - int width, int height) \ -{ \ - int wrap, wrap3, x, y; \ - int r, g, b, r1, g1, b1; \ - uint8_t *lum, *cb, *cr; \ - const uint8_t *p; \ - \ - lum = dst->data[0]; \ - cb = dst->data[1]; \ - cr = dst->data[2]; \ - \ - wrap = dst->linesize[0]; \ - wrap3 = src->linesize[0]; \ - p = src->data[0]; \ - for(y=0;y> SCALEBITS; \ - RGB_IN(r, g, b, p + BPP); \ - r1 += r; \ - g1 += g; \ - b1 += b; \ - lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \ - FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ - p += wrap3; \ - lum += wrap; \ - \ - RGB_IN(r, g, b, p); \ - r1 += r; \ - g1 += g; \ - b1 += b; \ - lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \ - FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ - \ - RGB_IN(r, g, b, p + BPP); \ - r1 += r; \ - g1 += g; \ - b1 += b; \ - lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \ - FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ - \ - cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \ - FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> \ - (SCALEBITS + 2)) + 128; \ - cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \ - FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> \ - (SCALEBITS + 2)) + 128; \ - \ - cb++; \ - cr++; \ - p += -wrap3 + 2 * BPP; \ - lum += -wrap + 2; \ - } \ - p += wrap3 + (wrap3 - width * BPP); \ - lum += wrap + (wrap - width); \ - cb += dst->linesize[1] - width / 2; \ - cr += dst->linesize[2] - width / 2; \ - } \ -} \ - \ -static void rgb_name ## _to_gray(AVPicture *dst, AVPicture *src, \ - int width, int height) \ -{ \ - const unsigned char *p; \ - unsigned char *q; \ - int r, g, b, dst_wrap, src_wrap; \ - int x, y; \ - \ - p = src->data[0]; \ - src_wrap = src->linesize[0] - BPP * width; \ - \ - q = dst->data[0]; \ - dst_wrap = dst->linesize[0] - width; \ - \ - for(y=0;y> SCALEBITS; \ - q++; \ - p += BPP; \ - } \ - p += src_wrap; \ - q += dst_wrap; \ - } \ -} \ - \ -static void gray_to_ ## rgb_name(AVPicture *dst, AVPicture *src, \ - int width, int height) \ -{ \ - const unsigned char *p; \ - unsigned char *q; \ - int r, dst_wrap, src_wrap; \ - int x, y; \ - \ - p = src->data[0]; \ - src_wrap = src->linesize[0] - width; \ - \ - q = dst->data[0]; \ - dst_wrap = dst->linesize[0] - BPP * width; \ - \ - for(y=0;ydata[0]; \ - src_wrap = src->linesize[0] - width; \ - palette = (uint32_t *)src->data[1];\ - \ - q = dst->data[0]; \ - dst_wrap = dst->linesize[0] - BPP * width; \ - \ - for(y=0;y> 16) & 0xff;\ - g = (v >> 8) & 0xff;\ - b = (v) & 0xff;\ - RGB_OUT(q, r, g, b); \ - q += BPP; \ - p ++; \ - } \ - p += src_wrap; \ - q += dst_wrap; \ - } \ + 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 */ @@ -737,6 +1397,8 @@ static inline unsigned int bitcopy_n(unsigned int a, int n) /* rgb555 handling */ +#define RGB_NAME rgb555 + #define RGB_IN(r, g, b, s)\ {\ unsigned int v = ((const uint16_t *)(s))[0];\ @@ -745,21 +1407,20 @@ static inline unsigned int bitcopy_n(unsigned int a, int n) 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) | 0x8000;\ + ((uint16_t *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);\ } #define BPP 2 -RGB_FUNCTIONS(rgb555) - -#undef RGB_IN -#undef RGB_OUT -#undef BPP +#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];\ @@ -775,14 +1436,12 @@ RGB_FUNCTIONS(rgb555) #define BPP 2 -RGB_FUNCTIONS(rgb565) - -#undef RGB_IN -#undef RGB_OUT -#undef BPP +#include "imgconvert_template.h" /* bgr24 handling */ +#define RGB_NAME bgr24 + #define RGB_IN(r, g, b, s)\ {\ b = (s)[0];\ @@ -799,7 +1458,7 @@ RGB_FUNCTIONS(rgb565) #define BPP 3 -RGB_FUNCTIONS(bgr24) +#include "imgconvert_template.h" #undef RGB_IN #undef RGB_OUT @@ -807,6 +1466,9 @@ RGB_FUNCTIONS(bgr24) /* rgb24 handling */ +#define RGB_NAME rgb24 +#define FMT_RGB24 + #define RGB_IN(r, g, b, s)\ {\ r = (s)[0];\ @@ -823,13 +1485,12 @@ RGB_FUNCTIONS(bgr24) #define BPP 3 -RGB_FUNCTIONS(rgb24) +#include "imgconvert_template.h" -#undef RGB_IN -#undef RGB_OUT -#undef BPP +/* rgb32 handling */ -/* rgba32 handling */ +#define RGB_NAME rgb32 +#define FMT_RGB32 #define RGB_IN(r, g, b, s)\ {\ @@ -839,82 +1500,25 @@ RGB_FUNCTIONS(rgb24) b = v & 0xff;\ } -#define RGB_OUT(d, r, g, b)\ +#define RGBA_IN(r, g, b, a, s)\ {\ - ((uint32_t *)(d))[0] = (0xff << 24) | (r << 16) | (g << 8) | b;\ + unsigned int v = ((const uint32_t *)(s))[0];\ + a = (v >> 24) & 0xff;\ + r = (v >> 16) & 0xff;\ + g = (v >> 8) & 0xff;\ + b = v & 0xff;\ } -#define BPP 4 - -RGB_FUNCTIONS(rgba32) - -#undef RGB_IN -#undef RGB_OUT -#undef BPP - - -static void rgb24_to_rgb565(AVPicture *dst, AVPicture *src, - int width, int height) -{ - const unsigned char *p; - unsigned char *q; - int r, g, b, dst_wrap, src_wrap; - int x, y; - - p = src->data[0]; - src_wrap = src->linesize[0] - 3 * width; - - q = dst->data[0]; - dst_wrap = dst->linesize[0] - 2 * width; - - for(y=0;y> 3) << 11) | ((g >> 2) << 5) | (b >> 3); - q += 2; - p += 3; - } - p += src_wrap; - q += dst_wrap; - } +#define RGBA_OUT(d, r, g, b, a)\ +{\ + ((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;\ } -/* NOTE: we also add a dummy alpha bit */ -static void rgb24_to_rgb555(AVPicture *dst, AVPicture *src, - int width, int height) -{ - const unsigned char *p; - unsigned char *q; - int r, g, b, dst_wrap, src_wrap; - int x, y; - - p = src->data[0]; - src_wrap = src->linesize[0] - 3 * width; - - q = dst->data[0]; - dst_wrap = dst->linesize[0] - 2 * width; +#define BPP 4 - for(y=0;y> 3) << 10) | ((g >> 3) << 5) | (b >> 3) | 0x8000; - q += 2; - p += 3; - } - p += src_wrap; - q += dst_wrap; - } -} +#include "imgconvert_template.h" -static void mono_to_gray(AVPicture *dst, AVPicture *src, +static void mono_to_gray(AVPicture *dst, const AVPicture *src, int width, int height, int xor_mask) { const unsigned char *p; @@ -928,7 +1532,7 @@ static void mono_to_gray(AVPicture *dst, AVPicture *src, q = dst->data[0]; dst_wrap = dst->linesize[0] - width; for(y=0;y= 8) { v = *p++ ^ xor_mask; q[0] = -(v >> 7); @@ -955,19 +1559,19 @@ static void mono_to_gray(AVPicture *dst, AVPicture *src, } } -static void monowhite_to_gray(AVPicture *dst, AVPicture *src, +static void monowhite_to_gray(AVPicture *dst, const AVPicture *src, int width, int height) { mono_to_gray(dst, src, width, height, 0xff); } -static void monoblack_to_gray(AVPicture *dst, AVPicture *src, +static void monoblack_to_gray(AVPicture *dst, const AVPicture *src, int width, int height) { mono_to_gray(dst, src, width, height, 0x00); } -static void gray_to_mono(AVPicture *dst, AVPicture *src, +static void gray_to_mono(AVPicture *dst, const AVPicture *src, int width, int height, int xor_mask) { int n; @@ -980,7 +1584,6 @@ static void gray_to_mono(AVPicture *dst, AVPicture *src, d = dst->data[0]; dst_wrap = dst->linesize[0] - ((width + 7) >> 3); - printf("%d %d\n", width, height); for(y=0;ydata[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] - 3 * width; - - q = dst->data[0]; + int x, y, src_wrap, dst_wrap; + uint8_t *s, *d; + s = src->data[0]; + src_wrap = src->linesize[0] - width * 2; + d = dst->data[0]; dst_wrap = dst->linesize[0] - width; - - for(y=0;ydata[1]; - 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]; - } +static void gray16be_to_gray(AVPicture *dst, const AVPicture *src, + int width, int height) +{ + gray16_to_gray(dst, src, width, height); +} + +static void gray16le_to_gray(AVPicture *dst, const AVPicture *src, + int width, int height) +{ + AVPicture tmpsrc = *src; + tmpsrc.data[0]++; + gray16_to_gray(dst, &tmpsrc, width, height); +} + +static void gray16_to_gray16(AVPicture *dst, const AVPicture *src, + int width, int height) +{ + int x, y, src_wrap, dst_wrap; + uint16_t *s, *d; + s = (uint16_t*)src->data[0]; + src_wrap = (src->linesize[0] - width * 2)/2; + d = (uint16_t*)dst->data[0]; + dst_wrap = (dst->linesize[0] - width * 2)/2; + for(y=0; ydata[0]); } +/* return true if yuv planar */ +static inline int is_yuv_planar(const PixFmtInfo *ps) +{ + return (ps->color_type == FF_COLOR_YUV || + ps->color_type == FF_COLOR_YUV_JPEG) && + ps->pixel_type == FF_PIXEL_PLANAR; +} + +int av_picture_crop(AVPicture *dst, const AVPicture *src, + int pix_fmt, int top_band, int left_band) +{ + int y_shift; + int x_shift; + + if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt])) + return -1; + + y_shift = pix_fmt_info[pix_fmt].y_chroma_shift; + x_shift = pix_fmt_info[pix_fmt].x_chroma_shift; + + dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band; + dst->data[1] = src->data[1] + ((top_band >> y_shift) * src->linesize[1]) + (left_band >> x_shift); + dst->data[2] = src->data[2] + ((top_band >> y_shift) * src->linesize[2]) + (left_band >> x_shift); + + dst->linesize[0] = src->linesize[0]; + dst->linesize[1] = src->linesize[1]; + dst->linesize[2] = src->linesize[2]; + return 0; +} + +int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, + int pix_fmt, int padtop, int padbottom, int padleft, int padright, + int *color) +{ + uint8_t *optr; + int y_shift; + int x_shift; + int yheight; + int i, y; + + if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || + !is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1; + + for (i = 0; i < 3; i++) { + x_shift = i ? pix_fmt_info[pix_fmt].x_chroma_shift : 0; + y_shift = i ? pix_fmt_info[pix_fmt].y_chroma_shift : 0; + + if (padtop || padleft) { + memset(dst->data[i], color[i], + dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift)); + } + + if (padleft || padright) { + optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + + (dst->linesize[i] - (padright >> x_shift)); + yheight = (height - 1 - (padtop + padbottom)) >> y_shift; + for (y = 0; y < yheight; y++) { + memset(optr, color[i], (padleft + padright) >> x_shift); + optr += dst->linesize[i]; + } + } + + if (src) { /* first line */ + uint8_t *iptr = src->data[i]; + optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + + (padleft >> x_shift); + memcpy(optr, iptr, src->linesize[i]); + iptr += src->linesize[i]; + optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + + (dst->linesize[i] - (padright >> x_shift)); + yheight = (height - 1 - (padtop + padbottom)) >> y_shift; + for (y = 0; y < yheight; y++) { + memset(optr, color[i], (padleft + padright) >> x_shift); + memcpy(optr + ((padleft + padright) >> x_shift), iptr, + src->linesize[i]); + iptr += src->linesize[i]; + optr += dst->linesize[i]; + } + } + + if (padbottom || padright) { + optr = dst->data[i] + dst->linesize[i] * + ((height - padbottom) >> y_shift) - (padright >> x_shift); + memset(optr, color[i],dst->linesize[i] * + (padbottom >> y_shift) + (padright >> x_shift)); + } + } + return 0; +} + +#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_SWSCALE +static uint8_t y_ccir_to_jpeg[256]; +static uint8_t y_jpeg_to_ccir[256]; +static uint8_t c_ccir_to_jpeg[256]; +static uint8_t c_jpeg_to_ccir[256]; + +/* init various conversion tables */ +static void img_convert_init(void) +{ + int i; + uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; + + for(i = 0;i < 256; i++) { + y_ccir_to_jpeg[i] = Y_CCIR_TO_JPEG(i); + y_jpeg_to_ccir[i] = Y_JPEG_TO_CCIR(i); + c_ccir_to_jpeg[i] = C_CCIR_TO_JPEG(i); + c_jpeg_to_ccir[i] = C_JPEG_TO_CCIR(i); + } +} + +/* apply to each pixel the given table */ +static void img_apply_table(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height, const uint8_t *table1) +{ + int n; + const uint8_t *s; + uint8_t *d; + const uint8_t *table; + + table = table1; + for(;height > 0; height--) { + s = src; + d = dst; + n = width; + while (n >= 4) { + d[0] = table[s[0]]; + d[1] = table[s[1]]; + d[2] = table[s[2]]; + d[3] = table[s[3]]; + d += 4; + s += 4; + n -= 4; + } + while (n > 0) { + d[0] = table[s[0]]; + d++; + s++; + n--; + } + dst += dst_wrap; + src += src_wrap; + } +} + +/* XXX: use generic filter ? */ +/* XXX: in most cases, the sampling position is incorrect */ + +/* 4x1 -> 1x1 */ +static void shrink41(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + int w; + const uint8_t *s; + uint8_t *d; + + for(;height > 0; height--) { + s = src; + d = dst; + for(w = width;w > 0; w--) { + d[0] = (s[0] + s[1] + s[2] + s[3] + 2) >> 2; + s += 4; + d++; + } + src += src_wrap; + dst += dst_wrap; + } +} + +/* 2x1 -> 1x1 */ +static void shrink21(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + int w; + const uint8_t *s; + uint8_t *d; + + for(;height > 0; height--) { + s = src; + d = dst; + for(w = width;w > 0; w--) { + d[0] = (s[0] + s[1]) >> 1; + s += 2; + d++; + } + src += src_wrap; + dst += dst_wrap; + } +} + +/* 1x2 -> 1x1 */ +static void shrink12(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + int w; + uint8_t *d; + const uint8_t *s1, *s2; + + for(;height > 0; height--) { + s1 = src; + s2 = s1 + src_wrap; + d = dst; + for(w = width;w >= 4; w-=4) { + d[0] = (s1[0] + s2[0]) >> 1; + d[1] = (s1[1] + s2[1]) >> 1; + d[2] = (s1[2] + s2[2]) >> 1; + d[3] = (s1[3] + s2[3]) >> 1; + s1 += 4; + s2 += 4; + d += 4; + } + for(;w > 0; w--) { + d[0] = (s1[0] + s2[0]) >> 1; + s1++; + s2++; + d++; + } + src += 2 * src_wrap; + dst += dst_wrap; + } +} + +static void grow21_line(uint8_t *dst, const uint8_t *src, + int width) +{ + int w; + const uint8_t *s1; + uint8_t *d; + + s1 = src; + d = dst; + for(w = width;w >= 4; w-=4) { + d[1] = d[0] = s1[0]; + d[3] = d[2] = s1[1]; + s1 += 2; + d += 4; + } + for(;w >= 2; w -= 2) { + d[1] = d[0] = s1[0]; + s1 ++; + d += 2; + } + /* only needed if width is not a multiple of two */ + /* XXX: veryfy that */ + if (w) { + d[0] = s1[0]; + } +} + +static void grow41_line(uint8_t *dst, const uint8_t *src, + int width) +{ + int w, v; + const uint8_t *s1; + uint8_t *d; + + s1 = src; + d = dst; + for(w = width;w >= 4; w-=4) { + v = s1[0]; + d[0] = v; + d[1] = v; + d[2] = v; + d[3] = v; + s1 ++; + d += 4; + } +} + +/* 1x1 -> 2x1 */ +static void grow21(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + for(;height > 0; height--) { + grow21_line(dst, src, width); + src += src_wrap; + dst += dst_wrap; + } +} + +/* 1x1 -> 1x2 */ +static void grow12(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + for(;height > 0; height-=2) { + memcpy(dst, src, width); + dst += dst_wrap; + memcpy(dst, src, width); + dst += dst_wrap; + src += src_wrap; + } +} + +/* 1x1 -> 2x2 */ +static void grow22(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + for(;height > 0; height--) { + grow21_line(dst, src, width); + if (height%2) + src += src_wrap; + dst += dst_wrap; + } +} + +/* 1x1 -> 4x1 */ +static void grow41(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + for(;height > 0; height--) { + grow41_line(dst, src, width); + src += src_wrap; + dst += dst_wrap; + } +} + +/* 1x1 -> 4x4 */ +static void grow44(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + for(;height > 0; height--) { + grow41_line(dst, src, width); + if ((height & 3) == 1) + src += src_wrap; + dst += dst_wrap; + } +} + +/* 1x2 -> 2x1 */ +static void conv411(uint8_t *dst, int dst_wrap, + const uint8_t *src, int src_wrap, + int width, int height) +{ + int w, c; + const uint8_t *s1, *s2; + uint8_t *d; + + width>>=1; + + for(;height > 0; height--) { + s1 = src; + s2 = src + src_wrap; + d = dst; + for(w = width;w > 0; w--) { + c = (s1[0] + s2[0]) >> 1; + d[0] = c; + d[1] = c; + s1++; + s2++; + d += 2; + } + src += src_wrap * 2; + dst += dst_wrap; + } +} + /* XXX: always use linesize. Return -1 if not supported */ int img_convert(AVPicture *dst, int dst_pix_fmt, - AVPicture *src, int src_pix_fmt, + const AVPicture *src, int src_pix_fmt, int src_width, int src_height) { + static int initialized; int i, ret, dst_width, dst_height, int_pix_fmt; - PixFmtInfo *src_pix, *dst_pix; - ConvertEntry *ce; + const PixFmtInfo *src_pix, *dst_pix; + const ConvertEntry *ce; AVPicture tmp1, *tmp = &tmp1; if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB || @@ -1266,44 +2398,45 @@ int img_convert(AVPicture *dst, int dst_pix_fmt, if (src_width <= 0 || src_height <= 0) return 0; + if (!initialized) { + initialized = 1; + img_convert_init(); + } + dst_width = src_width; dst_height = src_height; dst_pix = &pix_fmt_info[dst_pix_fmt]; src_pix = &pix_fmt_info[src_pix_fmt]; if (src_pix_fmt == dst_pix_fmt) { - /* XXX: incorrect */ - /* same format: just copy */ - for(i = 0; i < dst_pix->nb_components; i++) { - int w, h; - w = dst_width; - h = dst_height; - if (dst_pix->is_yuv && (i == 1 || i == 2)) { - w >>= dst_pix->x_chroma_shift; - h >>= dst_pix->y_chroma_shift; - } - img_copy(dst->data[i], dst->linesize[i], - src->data[i], src->linesize[i], - w, h); - } + /* 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 convertion routine */ + /* specific conversion routine */ ce->convert(dst, src, dst_width, dst_height); return 0; } /* gray to YUV */ - if (dst_pix->is_yuv && src_pix_fmt == PIX_FMT_GRAY8) { + if (is_yuv_planar(dst_pix) && + src_pix_fmt == PIX_FMT_GRAY8) { int w, h, y; uint8_t *d; - img_copy(dst->data[0], dst->linesize[0], - src->data[0], src->linesize[0], - dst_width, dst_height); + 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; @@ -1320,18 +2453,26 @@ int img_convert(AVPicture *dst, int dst_pix_fmt, } /* YUV to gray */ - if (src_pix->is_yuv && dst_pix_fmt == PIX_FMT_GRAY8) { - img_copy(dst->data[0], dst->linesize[0], - src->data[0], src->linesize[0], - dst_width, dst_height); + 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 */ - if (dst_pix->is_yuv && src_pix->is_yuv) { - int x_shift, y_shift, w, h; - void (*resize_func)(uint8_t *dst, int dst_wrap, - uint8_t *src, int src_wrap, + /* 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 */ @@ -1348,41 +2489,130 @@ int img_convert(AVPicture *dst, int dst_pix_fmt, x_shift = (dst_pix->x_chroma_shift - src_pix->x_chroma_shift); y_shift = (dst_pix->y_chroma_shift - src_pix->y_chroma_shift); - if (x_shift == 0 && y_shift == 0) { - resize_func = img_copy; /* should never happen */ - } else if (x_shift == 0 && y_shift == 1) { - resize_func = shrink2; - } else if (x_shift == 1 && y_shift == 1) { - resize_func = shrink22; - } else if (x_shift == -1 && y_shift == -1) { + xy_shift = ((x_shift & 0xf) << 4) | (y_shift & 0xf); + /* there must be filters for conversion at least from and to + YUV444 format */ + switch(xy_shift) { + case 0x00: + resize_func = ff_img_copy_plane; + break; + case 0x10: + resize_func = shrink21; + break; + case 0x20: + resize_func = shrink41; + break; + case 0x01: + resize_func = shrink12; + break; + case 0x11: + resize_func = ff_shrink22; + break; + case 0x22: + resize_func = ff_shrink44; + break; + case 0xf0: + resize_func = grow21; + break; + case 0x0f: + resize_func = grow12; + break; + case 0xe0: + resize_func = grow41; + break; + case 0xff: resize_func = grow22; - } else if (x_shift == -1 && y_shift == 1) { + break; + case 0xee: + resize_func = grow44; + break; + case 0xf1: resize_func = conv411; - } else { + break; + default: /* currently not handled */ - return -1; + goto no_chroma_filter; } - img_copy(dst->data[0], dst->linesize[0], - src->data[0], src->linesize[0], - dst_width, dst_height); + 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); - return 0; + /* 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_MONOWHITE || - src_pix_fmt == PIX_FMT_MONOBLACK || - dst_pix_fmt == PIX_FMT_MONOWHITE || - dst_pix_fmt == PIX_FMT_MONOBLACK) { + 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 { - int_pix_fmt = PIX_FMT_RGB24; + /* the two formats are rgb or gray8 or yuv[j]444p */ + if (src_pix->is_alpha && dst_pix->is_alpha) + int_pix_fmt = PIX_FMT_RGB32; + else + int_pix_fmt = PIX_FMT_RGB24; } + if (src_pix_fmt == int_pix_fmt) + return -1; if (avpicture_alloc(tmp, int_pix_fmt, dst_width, dst_height) < 0) return -1; ret = -1; @@ -1397,7 +2627,58 @@ int img_convert(AVPicture *dst, int dst_pix_fmt, 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 \ @@ -1447,11 +2728,14 @@ int img_convert(AVPicture *dst, int dst_pix_fmt, #endif /* filter parameters: [-1 4 2 4 -1] // 8 */ -static void deinterlace_line(uint8_t *dst, 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(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 = cropTbl + MAX_NEG_CROP; + uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int sum; for(;size > 0;size--) { @@ -1494,7 +2778,7 @@ static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t * int size) { #ifndef HAVE_MMX - uint8_t *cm = cropTbl + MAX_NEG_CROP; + uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int sum; for(;size > 0;size--) { @@ -1537,10 +2821,10 @@ static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t * 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, - uint8_t *src1, int src_wrap, + const uint8_t *src1, int src_wrap, int width, int height) { - uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2; + const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2; int y; src_m2 = src1; @@ -1566,7 +2850,7 @@ static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap, } static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, - int width, int height) + int width, int height) { uint8_t *src_m1, *src_0, *src_p1, *src_p2; int y; @@ -1590,16 +2874,16 @@ static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, av_free(buf); } - -/* deinterlace - if not supported return -1 */ -int avpicture_deinterlace(AVPicture *dst, AVPicture *src, +int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, int 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_YUV444P && + pix_fmt != PIX_FMT_YUV411P && + pix_fmt != PIX_FMT_GRAY8) return -1; if ((width & 3) != 0 || (height & 3) != 0) return -1; @@ -1614,12 +2898,18 @@ int avpicture_deinterlace(AVPicture *dst, AVPicture *src, 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(src->data[i], src->linesize[i], + deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i], width, height); } else { deinterlace_bottom_field(dst->data[i],dst->linesize[i], @@ -1627,10 +2917,7 @@ int avpicture_deinterlace(AVPicture *dst, AVPicture *src, width, height); } } -#ifdef HAVE_MMX - emms(); -#endif + emms_c(); return 0; } -#undef FIX