diff options
Diffstat (limited to 'third_party/aom/common/y4menc.c')
-rw-r--r-- | third_party/aom/common/y4menc.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/third_party/aom/common/y4menc.c b/third_party/aom/common/y4menc.c deleted file mode 100644 index 585d22197..000000000 --- a/third_party/aom/common/y4menc.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include <assert.h> - -#include "common/rawenc.h" -#include "common/y4menc.h" - -// Returns the Y4M name associated with the monochrome colorspace. -const char *monochrome_colorspace(unsigned int bit_depth) { - switch (bit_depth) { - case 8: return "Cmono"; - case 9: return "Cmono9"; - case 10: return "Cmono10"; - case 12: return "Cmono12"; - case 16: return "Cmono16"; - default: assert(0); return NULL; - } -} - -// Return the Y4M name of the 8-bit colorspace, given the chroma position and -// image format. -const char *colorspace8(aom_chroma_sample_position_t csp, aom_img_fmt_t fmt) { - switch (fmt) { - case AOM_IMG_FMT_444A: return "C444alpha"; - case AOM_IMG_FMT_I444: return "C444"; - case AOM_IMG_FMT_I422: return "C422"; - default: - if (csp == AOM_CSP_VERTICAL) { - return "C420mpeg2 XYSCSS=420MPEG2"; - } else { - return "C420jpeg"; - } - } -} - -// Return the Y4M name of the colorspace, given the bit depth and image format. -const char *colorspace(unsigned int bit_depth, aom_chroma_sample_position_t csp, - aom_img_fmt_t fmt) { - switch (bit_depth) { - case 8: return colorspace8(csp, fmt); - case 9: - return fmt == AOM_IMG_FMT_I44416 - ? "C444p9 XYSCSS=444P9" - : fmt == AOM_IMG_FMT_I42216 ? "C422p9 XYSCSS=422P9" - : "C420p9 XYSCSS=420P9"; - case 10: - return fmt == AOM_IMG_FMT_I44416 - ? "C444p10 XYSCSS=444P10" - : fmt == AOM_IMG_FMT_I42216 ? "C422p10 XYSCSS=422P10" - : "C420p10 XYSCSS=420P10"; - case 12: - return fmt == AOM_IMG_FMT_I44416 - ? "C444p12 XYSCSS=444P12" - : fmt == AOM_IMG_FMT_I42216 ? "C422p12 XYSCSS=422P12" - : "C420p12 XYSCSS=420P12"; - case 14: - return fmt == AOM_IMG_FMT_I44416 - ? "C444p14 XYSCSS=444P14" - : fmt == AOM_IMG_FMT_I42216 ? "C422p14 XYSCSS=422P14" - : "C420p14 XYSCSS=420P14"; - case 16: - return fmt == AOM_IMG_FMT_I44416 - ? "C444p16 XYSCSS=444P16" - : fmt == AOM_IMG_FMT_I42216 ? "C422p16 XYSCSS=422P16" - : "C420p16 XYSCSS=420P16"; - default: assert(0); return NULL; - } -} - -int y4m_write_file_header(char *buf, size_t len, int width, int height, - const struct AvxRational *framerate, int monochrome, - aom_chroma_sample_position_t csp, aom_img_fmt_t fmt, - unsigned int bit_depth) { - const char *color = monochrome ? monochrome_colorspace(bit_depth) - : colorspace(bit_depth, csp, fmt); - return snprintf(buf, len, "YUV4MPEG2 W%u H%u F%u:%u I%c %s\n", width, height, - framerate->numerator, framerate->denominator, 'p', color); -} - -int y4m_write_frame_header(char *buf, size_t len) { - return snprintf(buf, len, "FRAME\n"); -} - -void y4m_write_image_file(const aom_image_t *img, const int *planes, - FILE *file) { - int num_planes = img->monochrome ? 1 : 3; - raw_write_image_file(img, planes, num_planes, file); -} - -void y4m_update_image_md5(const aom_image_t *img, const int *planes, - MD5Context *md5) { - int num_planes = img->monochrome ? 1 : 3; - raw_update_image_md5(img, planes, num_planes, md5); -} |