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