2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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.
13 void y4m_write_file_header(FILE *file, int width, int height,
14 const struct VpxRational *framerate,
16 const char *color = fmt == VPX_IMG_FMT_444A ? "C444alpha\n" :
17 fmt == VPX_IMG_FMT_I444 ? "C444\n" :
18 fmt == VPX_IMG_FMT_I422 ? "C422\n" :
21 // Note: We can't output an aspect ratio here because IVF doesn't
22 // store one, and neither does VP8.
23 // That will have to wait until these tools support WebM natively.*/
24 fprintf(file, "YUV4MPEG2 W%u H%u F%u:%u I%c %s", width, height,
25 framerate->numerator, framerate->denominator, 'p', color);
28 void y4m_write_frame_header(FILE *file) {
29 fprintf(file, "FRAME\n");