webmenc.h

   1 /*
   2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
   3  *
   4  * This source code is subject to the terms of the BSD 2 Clause License and
   5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   6  * was not distributed with this source code in the LICENSE file, you can
   7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   8  * Media Patent License 1.0 was not distributed with this source code in the
   9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  10  */
  11 #ifndef WEBMENC_H_
  12 #define WEBMENC_H_
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16
  17 #include "tools_common.h"
  18 #include "aom/aom_encoder.h"
  19
  20 #ifdef __cplusplus
  21 extern "C" {
  22 #endif
  23
  24 struct WebmOutputContext {
  25   int debug;
  26   FILE *stream;
  27   int64_t last_pts_ns;
  28   void *writer;
  29   void *segment;
  30 };
  31
  32 /* Stereo 3D packed frame format */
  33 typedef enum stereo_format {
  34   STEREO_FORMAT_MONO = 0,
  35   STEREO_FORMAT_LEFT_RIGHT = 1,
  36   STEREO_FORMAT_BOTTOM_TOP = 2,
  37   STEREO_FORMAT_TOP_BOTTOM = 3,
  38   STEREO_FORMAT_RIGHT_LEFT = 11
  39 } stereo_format_t;
  40
  41 void write_webm_file_header(struct WebmOutputContext *webm_ctx,
  42                             const aom_codec_enc_cfg_t *cfg,
  43                             stereo_format_t stereo_fmt, unsigned int fourcc,
  44                             const struct AvxRational *par);
  45
  46 void write_webm_block(struct WebmOutputContext *webm_ctx,
  47                       const aom_codec_enc_cfg_t *cfg,
  48                       const aom_codec_cx_pkt_t *pkt);
  49
  50 void write_webm_file_footer(struct WebmOutputContext *webm_ctx);
  51
  52 #ifdef __cplusplus
  53 }  // extern "C"
  54 #endif
  55
  56 #endif  // WEBMENC_H_