| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved. |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| #ifndef AOM_COMMON_WEBMENC_H_ |
| #define AOM_COMMON_WEBMENC_H_ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include "tools_common.h" |
| #include "aom/aom_encoder.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| struct WebmOutputContext { |
| int debug; |
| FILE *stream; |
| int64_t last_pts_ns; |
| void *writer; |
| void *segment; |
| }; |
| |
| /* Stereo 3D packed frame format */ |
| enum { |
| STEREO_FORMAT_MONO = 0, |
| STEREO_FORMAT_LEFT_RIGHT = 1, |
| STEREO_FORMAT_BOTTOM_TOP = 2, |
| STEREO_FORMAT_TOP_BOTTOM = 3, |
| STEREO_FORMAT_RIGHT_LEFT = 11 |
| } UENUM1BYTE(stereo_format_t); |
| |
| // Simplistic mechanism to extract encoder settings, without having |
| // to re-invoke the entire flag-parsing logic. It lists the codec version |
| // and then copies the arguments as-is from argv, but skips the binary name, |
| // any arguments that match the input filename, and the output flags "-o" |
| // and "--output" (and the following argument for those flags). The caller |
| // is responsible for free-ing the returned string. If there is insufficient |
| // memory, it returns nullptr. |
| char *extract_encoder_settings(const char *version, const char **argv, int argc, |
| const char *input_fname); |
| |
| // The following functions wrap libwebm's mkvmuxer. All functions return 0 upon |
| // success, or -1 upon failure. |
| |
| int write_webm_file_header(struct WebmOutputContext *webm_ctx, |
| aom_codec_ctx_t *encoder_ctx, |
| const aom_codec_enc_cfg_t *cfg, |
| stereo_format_t stereo_fmt, unsigned int fourcc, |
| const struct AvxRational *par, |
| const char *encoder_settings); |
| |
| int write_webm_block(struct WebmOutputContext *webm_ctx, |
| const aom_codec_enc_cfg_t *cfg, |
| const aom_codec_cx_pkt_t *pkt); |
| |
| int write_webm_file_footer(struct WebmOutputContext *webm_ctx); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_COMMON_WEBMENC_H_ |