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Diffstat (limited to 'branches/1.0/thirdparties/android/include/libavutil/pixdesc.h')
| -rw-r--r-- | branches/1.0/thirdparties/android/include/libavutil/pixdesc.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/branches/1.0/thirdparties/android/include/libavutil/pixdesc.h b/branches/1.0/thirdparties/android/include/libavutil/pixdesc.h deleted file mode 100644 index 8d131be..0000000 --- a/branches/1.0/thirdparties/android/include/libavutil/pixdesc.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * pixel format descriptor - * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVUTIL_PIXDESC_H -#define AVUTIL_PIXDESC_H - -#include <inttypes.h> - -typedef struct AVComponentDescriptor{ - uint16_t plane :2; ///< which of the 4 planes contains the component - - /** - * Number of elements between 2 horizontally consecutive pixels minus 1. - * Elements are bits for bitstream formats, bytes otherwise. - */ - uint16_t step_minus1 :3; - - /** - * Number of elements before the component of the first pixel plus 1. - * Elements are bits for bitstream formats, bytes otherwise. - */ - uint16_t offset_plus1 :3; - uint16_t shift :3; ///< number of least significant bits that must be shifted away to get the value - uint16_t depth_minus1 :4; ///< number of bits in the component minus 1 -}AVComponentDescriptor; - -/** - * Descriptor that unambiguously describes how the bits of a pixel are - * stored in the up to 4 data planes of an image. It also stores the - * subsampling factors and number of components. - * - * @note This is separate of the colorspace (RGB, YCbCr, YPbPr, JPEG-style YUV - * and all the YUV variants) AVPixFmtDescriptor just stores how values - * are stored not what these values represent. - */ -typedef struct AVPixFmtDescriptor{ - const char *name; - uint8_t nb_components; ///< The number of components each pixel has, (1-4) - - /** - * Amount to shift the luma width right to find the chroma width. - * For YV12 this is 1 for example. - * chroma_width = -((-luma_width) >> log2_chroma_w) - * The note above is needed to ensure rounding up. - * This value only refers to the chroma components. - */ - uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w) - - /** - * Amount to shift the luma height right to find the chroma height. - * For YV12 this is 1 for example. - * chroma_height= -((-luma_height) >> log2_chroma_h) - * The note above is needed to ensure rounding up. - * This value only refers to the chroma components. - */ - uint8_t log2_chroma_h; - uint8_t flags; - - /** - * Parameters that describe how pixels are packed. If the format - * has chroma components, they must be stored in comp[1] and - * comp[2]. - */ - AVComponentDescriptor comp[4]; -}AVPixFmtDescriptor; - -#define PIX_FMT_BE 1 ///< Pixel format is big-endian. -#define PIX_FMT_PAL 2 ///< Pixel format has a palette in data[1], values are indexes in this palette. -#define PIX_FMT_BITSTREAM 4 ///< All values of a component are bit-wise packed end to end. -#define PIX_FMT_HWACCEL 8 ///< Pixel format is an HW accelerated format. - -/** - * The array of all the pixel format descriptors. - */ -extern const AVPixFmtDescriptor av_pix_fmt_descriptors[]; - -/** - * Read a line from an image, and write the values of the - * pixel format component c to dst. - * - * @param data the array containing the pointers to the planes of the image - * @param linesize the array containing the linesizes of the image - * @param desc the pixel format descriptor for the image - * @param x the horizontal coordinate of the first pixel to read - * @param y the vertical coordinate of the first pixel to read - * @param w the width of the line to read, that is the number of - * values to write to dst - * @param read_pal_component if not zero and the format is a paletted - * format writes the values corresponding to the palette - * component c in data[1] to dst, rather than the palette indexes in - * data[0]. The behavior is undefined if the format is not paletted. - */ -void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4], - const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component); - -/** - * Write the values from src to the pixel format component c of an - * image line. - * - * @param src array containing the values to write - * @param data the array containing the pointers to the planes of the - * image to write into. It is supposed to be zeroed. - * @param linesize the array containing the linesizes of the image - * @param desc the pixel format descriptor for the image - * @param x the horizontal coordinate of the first pixel to write - * @param y the vertical coordinate of the first pixel to write - * @param w the width of the line to write, that is the number of - * values to write to the image line - */ -void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4], - const AVPixFmtDescriptor *desc, int x, int y, int c, int w); - -/** - * Return the pixel format corresponding to name. - * - * If there is no pixel format with name name, then looks for a - * pixel format with the name corresponding to the native endian - * format of name. - * For example in a little-endian system, first looks for "gray16", - * then for "gray16le". - * - * Finally if no pixel format has been found, returns PIX_FMT_NONE. - */ -enum PixelFormat av_get_pix_fmt(const char *name); - -/** - * Return the number of bits per pixel used by the pixel format - * described by pixdesc. - * - * The returned number of bits refers to the number of bits actually - * used for storing the pixel information, that is padding bits are - * not counted. - */ -int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc); - -#endif /* AVUTIL_PIXDESC_H */ |
