webmenc.h

   1 /*
   2  *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10 #ifndef WEBMENC_H_
  11 #define WEBMENC_H_
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15
  16 #include "tools_common.h"
  17 #include "vpx/vpx_encoder.h"
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23 struct WebmOutputContext {
  24   int debug;
  25   FILE *stream;
  26   int64_t last_pts_ns;
  27   void *writer;
  28   void *segment;
  29 };
  30
  31 /* Stereo 3D packed frame format */
  32 typedef enum stereo_format {
  33   STEREO_FORMAT_MONO = 0,
  34   STEREO_FORMAT_LEFT_RIGHT = 1,
  35   STEREO_FORMAT_BOTTOM_TOP = 2,
  36   STEREO_FORMAT_TOP_BOTTOM = 3,
  37   STEREO_FORMAT_RIGHT_LEFT = 11
  38 } stereo_format_t;
  39
  40 void write_webm_file_header(struct WebmOutputContext *webm_ctx,
  41                             const vpx_codec_enc_cfg_t *cfg,
  42                             const struct vpx_rational *fps,
  43                             stereo_format_t stereo_fmt,
  44                             unsigned int fourcc,
  45                             const struct VpxRational *par);
  46
  47 void write_webm_block(struct WebmOutputContext *webm_ctx,
  48                       const vpx_codec_enc_cfg_t *cfg,
  49                       const vpx_codec_cx_pkt_t *pkt);
  50
  51 void write_webm_file_footer(struct WebmOutputContext *webm_ctx);
  52
  53 #ifdef __cplusplus
  54 }  // extern "C"
  55 #endif
  56
  57 #endif  // WEBMENC_H_