vpx/webmenc.h
Frank Galligan 09acd267bc vpxenc: Add support for pixel aspect ratio.
WebM files will adjust the display width and height according to the
input pixel aspect ratio. The default pixel aspect ratio is 1:1.

BUG=https://code.google.com/p/webm/issues/detail?id=1005

Change-Id: I23e0a601b7259fa9513cb86110c41b8437769808
2015-06-05 09:56:50 -07:00

59 lines
1.6 KiB
C

/*
* Copyright (c) 2013 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.
*/
#ifndef WEBMENC_H_
#define WEBMENC_H_
#include <stdio.h>
#include <stdlib.h>
#include "tools_common.h"
#include "vpx/vpx_encoder.h"
#ifdef __cplusplus
extern "C" {
#endif
/* TODO(vigneshv): Rename this struct */
struct EbmlGlobal {
int debug;
FILE *stream;
int64_t last_pts_ns;
void *writer;
void *segment;
};
/* Stereo 3D packed frame format */
typedef enum stereo_format {
STEREO_FORMAT_MONO = 0,
STEREO_FORMAT_LEFT_RIGHT = 1,
STEREO_FORMAT_BOTTOM_TOP = 2,
STEREO_FORMAT_TOP_BOTTOM = 3,
STEREO_FORMAT_RIGHT_LEFT = 11
} stereo_format_t;
void write_webm_file_header(struct EbmlGlobal *glob,
const vpx_codec_enc_cfg_t *cfg,
const struct vpx_rational *fps,
stereo_format_t stereo_fmt,
unsigned int fourcc,
const struct VpxRational *par);
void write_webm_block(struct EbmlGlobal *glob,
const vpx_codec_enc_cfg_t *cfg,
const vpx_codec_cx_pkt_t *pkt);
void write_webm_file_footer(struct EbmlGlobal *glob);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // WEBMENC_H_