| Dmitry Kovalev | 5ab6358 | 2014-01-18 01:02:37 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014 The WebM project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 11 | #include <assert.h> |
| Dmitry Kovalev | 5ab6358 | 2014-01-18 01:02:37 | [diff] [blame] | 12 | #include "./y4menc.h" |
| 13 | |
| Dmitry Kovalev | 5260b39 | 2014-01-28 19:12:58 | [diff] [blame] | 14 | int y4m_write_file_header(char *buf, size_t len, int width, int height, |
| 15 | const struct VpxRational *framerate, |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 16 | vpx_img_fmt_t fmt, unsigned int bit_depth) { |
| 17 | const char *color; |
| 18 | switch (bit_depth) { |
| 19 | case 8: |
| clang-format | 99e28b8 | 2016-01-27 20:42:45 | [diff] [blame] | 20 | color = fmt == VPX_IMG_FMT_444A |
| 21 | ? "C444alpha\n" |
| 22 | : fmt == VPX_IMG_FMT_I444 ? "C444\n" : fmt == VPX_IMG_FMT_I422 |
| 23 | ? "C422\n" |
| 24 | : "C420jpeg\n"; |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 25 | break; |
| 26 | case 9: |
| clang-format | 99e28b8 | 2016-01-27 20:42:45 | [diff] [blame] | 27 | color = fmt == VPX_IMG_FMT_I44416 |
| 28 | ? "C444p9 XYSCSS=444P9\n" |
| 29 | : fmt == VPX_IMG_FMT_I42216 ? "C422p9 XYSCSS=422P9\n" |
| 30 | : "C420p9 XYSCSS=420P9\n"; |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 31 | break; |
| 32 | case 10: |
| clang-format | 99e28b8 | 2016-01-27 20:42:45 | [diff] [blame] | 33 | color = fmt == VPX_IMG_FMT_I44416 |
| 34 | ? "C444p10 XYSCSS=444P10\n" |
| 35 | : fmt == VPX_IMG_FMT_I42216 ? "C422p10 XYSCSS=422P10\n" |
| 36 | : "C420p10 XYSCSS=420P10\n"; |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 37 | break; |
| 38 | case 12: |
| clang-format | 99e28b8 | 2016-01-27 20:42:45 | [diff] [blame] | 39 | color = fmt == VPX_IMG_FMT_I44416 |
| 40 | ? "C444p12 XYSCSS=444P12\n" |
| 41 | : fmt == VPX_IMG_FMT_I42216 ? "C422p12 XYSCSS=422P12\n" |
| 42 | : "C420p12 XYSCSS=420P12\n"; |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 43 | break; |
| 44 | case 14: |
| clang-format | 99e28b8 | 2016-01-27 20:42:45 | [diff] [blame] | 45 | color = fmt == VPX_IMG_FMT_I44416 |
| 46 | ? "C444p14 XYSCSS=444P14\n" |
| 47 | : fmt == VPX_IMG_FMT_I42216 ? "C422p14 XYSCSS=422P14\n" |
| 48 | : "C420p14 XYSCSS=420P14\n"; |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 49 | break; |
| 50 | case 16: |
| clang-format | 99e28b8 | 2016-01-27 20:42:45 | [diff] [blame] | 51 | color = fmt == VPX_IMG_FMT_I44416 |
| 52 | ? "C444p16 XYSCSS=444P16\n" |
| 53 | : fmt == VPX_IMG_FMT_I42216 ? "C422p16 XYSCSS=422P16\n" |
| 54 | : "C420p16 XYSCSS=420P16\n"; |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 55 | break; |
| clang-format | 99e28b8 | 2016-01-27 20:42:45 | [diff] [blame] | 56 | default: color = NULL; assert(0); |
| Deb Mukherjee | 5820c5d | 2014-06-12 23:53:13 | [diff] [blame] | 57 | } |
| Dmitry Kovalev | 5260b39 | 2014-01-28 19:12:58 | [diff] [blame] | 58 | return snprintf(buf, len, "YUV4MPEG2 W%u H%u F%u:%u I%c %s", width, height, |
| 59 | framerate->numerator, framerate->denominator, 'p', color); |
| Dmitry Kovalev | 5ab6358 | 2014-01-18 01:02:37 | [diff] [blame] | 60 | } |
| 61 | |
| Dmitry Kovalev | 5260b39 | 2014-01-28 19:12:58 | [diff] [blame] | 62 | int y4m_write_frame_header(char *buf, size_t len) { |
| 63 | return snprintf(buf, len, "FRAME\n"); |
| Dmitry Kovalev | 5ab6358 | 2014-01-18 01:02:37 | [diff] [blame] | 64 | } |