forked from Mirrors/freeswitch
81 lines
2.1 KiB
C
81 lines
2.1 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 <stdlib.h>
|
||
|
|
|
||
|
|
#include "./ivfenc.h"
|
||
|
|
#include "./video_writer.h"
|
||
|
|
#include "vpx/vpx_encoder.h"
|
||
|
|
|
||
|
|
struct VpxVideoWriterStruct {
|
||
|
|
VpxVideoInfo info;
|
||
|
|
FILE *file;
|
||
|
|
int frame_count;
|
||
|
|
};
|
||
|
|
|
||
|
|
static void write_header(FILE *file, const VpxVideoInfo *info,
|
||
|
|
int frame_count) {
|
||
|
|
struct vpx_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);
|
||
|
|
}
|
||
|
|
|
||
|
|
VpxVideoWriter *vpx_video_writer_open(const char *filename,
|
||
|
|
VpxContainer container,
|
||
|
|
const VpxVideoInfo *info) {
|
||
|
|
if (container == kContainerIVF) {
|
||
|
|
VpxVideoWriter *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 vpx_video_writer_close(VpxVideoWriter *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 vpx_video_writer_write_frame(VpxVideoWriter *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;
|
||
|
|
}
|