2 * Copyright (c) 2013 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 #include "vpx/vpx_encoder.h"
14 #include "vpx_ports/mem_ops.h"
16 void ivf_write_file_header(FILE *outfile, const struct vpx_codec_enc_cfg *cfg,
17 unsigned int fourcc, int frame_cnt) {
24 mem_put_le16(header + 4, 0); // version
25 mem_put_le16(header + 6, 32); // header size
26 mem_put_le32(header + 8, fourcc); // fourcc
27 mem_put_le16(header + 12, cfg->g_w); // width
28 mem_put_le16(header + 14, cfg->g_h); // height
29 mem_put_le32(header + 16, cfg->g_timebase.den); // rate
30 mem_put_le32(header + 20, cfg->g_timebase.num); // scale
31 mem_put_le32(header + 24, frame_cnt); // length
32 mem_put_le32(header + 28, 0); // unused
34 fwrite(header, 1, 32, outfile);
37 void ivf_write_frame_header(FILE *outfile, int64_t pts, size_t frame_size) {
40 mem_put_le32(header, (int)frame_size);
41 mem_put_le32(header + 4, (int)(pts & 0xFFFFFFFF));
42 mem_put_le32(header + 8, (int)(pts >> 32));
43 fwrite(header, 1, 12, outfile);
46 void ivf_write_frame_size(FILE *outfile, size_t frame_size) {
49 mem_put_le32(header, (int)frame_size);
50 fwrite(header, 1, 4, outfile);