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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 "common/video_writer.h"
#include <stdlib.h>
#include "aom/aom_encoder.h"
#include "common/ivfenc.h"
struct AvxVideoWriterStruct {
AvxVideoInfo info;
FILE *file;
int frame_count;
};
static void write_header(FILE *file, const AvxVideoInfo *info,
int frame_count) {
struct aom_codec_enc_cfg cfg;
cfg.g_w = info->frame_width;
cfg.g_h = info->frame_height;
cfg.g_timebase.num = info->time_base.numerator;
cfg.g_timebase.den = info->time_base.denominator;
ivf_write_file_header(file, &cfg, info->codec_fourcc, frame_count);
}
AvxVideoWriter *aom_video_writer_open(const char *filename,
AvxContainer container,
const AvxVideoInfo *info) {
if (container == kContainerIVF) {
AvxVideoWriter *writer = NULL;
FILE *const file = fopen(filename, "wb");
if (!file) return NULL;
writer = malloc(sizeof(*writer));
if (!writer) return NULL;
writer->frame_count = 0;
writer->info = *info;
writer->file = file;
write_header(writer->file, info, 0);
return writer;
}
return NULL;
}
void aom_video_writer_close(AvxVideoWriter *writer) {
if (writer) {
// Rewriting frame header with real frame count
rewind(writer->file);
write_header(writer->file, &writer->info, writer->frame_count);
fclose(writer->file);
free(writer);
}
}
int aom_video_writer_write_frame(AvxVideoWriter *writer, const uint8_t *buffer,
size_t size, int64_t pts) {
ivf_write_frame_header(writer->file, pts, size);
if (fwrite(buffer, 1, size, writer->file) != size) return 0;
++writer->frame_count;
return 1;
}
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