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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include "./ivfenc.h"
#include "aom/aom_encoder.h"
#include "aom_ports/mem_ops.h"
void ivf_write_file_header(FILE *outfile, const struct aom_codec_enc_cfg *cfg,
unsigned int fourcc, int frame_cnt) {
char header[32];
header[0] = 'D';
header[1] = 'K';
header[2] = 'I';
header[3] = 'F';
mem_put_le16(header + 4, 0); // version
mem_put_le16(header + 6, 32); // header size
mem_put_le32(header + 8, fourcc); // fourcc
mem_put_le16(header + 12, cfg->g_w); // width
mem_put_le16(header + 14, cfg->g_h); // height
mem_put_le32(header + 16, cfg->g_timebase.den); // rate
mem_put_le32(header + 20, cfg->g_timebase.num); // scale
mem_put_le32(header + 24, frame_cnt); // length
mem_put_le32(header + 28, 0); // unused
fwrite(header, 1, 32, outfile);
}
void ivf_write_frame_header(FILE *outfile, int64_t pts, size_t frame_size) {
char header[12];
mem_put_le32(header, (int)frame_size);
mem_put_le32(header + 4, (int)(pts & 0xFFFFFFFF));
mem_put_le32(header + 8, (int)(pts >> 32));
fwrite(header, 1, 12, outfile);
}
void ivf_write_frame_size(FILE *outfile, size_t frame_size) {
char header[4];
mem_put_le32(header, (int)frame_size);
fwrite(header, 1, 4, outfile);
}
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