ref: 321f0ee272349b66535b56e0b10cf753755f1bd8
dir: /y4menc.c/
/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "./y4menc.h"
void y4m_write_file_header(FILE *file, int width, int height,
const struct VpxRational *framerate,
vpx_img_fmt_t fmt) {
const char *color = fmt == VPX_IMG_FMT_444A ? "C444alpha\n" :
fmt == VPX_IMG_FMT_I444 ? "C444\n" :
fmt == VPX_IMG_FMT_I422 ? "C422\n" :
"C420jpeg\n";
// Note: We can't output an aspect ratio here because IVF doesn't
// store one, and neither does VP8.
// That will have to wait until these tools support WebM natively.*/
fprintf(file, "YUV4MPEG2 W%u H%u F%u:%u I%c %s", width, height,
framerate->numerator, framerate->denominator, 'p', color);
}
void y4m_write_frame_header(FILE *file) {
fprintf(file, "FRAME\n");
}