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 AOM_COMMON_WEBMENC_H_ 12 #define AOM_COMMON_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 enum { 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 } UENUM1BYTE(stereo_format_t); 40 41 // The following functions wrap libwebm's mkvmuxer. All functions return 0 upon 42 // success, or -1 upon failure. 43 44 int write_webm_file_header(struct WebmOutputContext *webm_ctx, 45 aom_codec_ctx_t *encoder_ctx, 46 const aom_codec_enc_cfg_t *cfg, 47 stereo_format_t stereo_fmt, unsigned int fourcc, 48 const struct AvxRational *par); 49 50 int write_webm_block(struct WebmOutputContext *webm_ctx, 51 const aom_codec_enc_cfg_t *cfg, 52 const aom_codec_cx_pkt_t *pkt); 53 54 int write_webm_file_footer(struct WebmOutputContext *webm_ctx); 55 56 #ifdef __cplusplus 57 } // extern "C" 58 #endif 59 60 #endif // AOM_COMMON_WEBMENC_H_ 61