31 lines
1.2 KiB
C
31 lines
1.2 KiB
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");
|
|
}
|