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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/common/webmenc.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/third_party/aom/common/webmenc.h b/third_party/aom/common/webmenc.h new file mode 100644 index 0000000000..c912208b45 --- /dev/null +++ b/third_party/aom/common/webmenc.h @@ -0,0 +1,71 @@ +/* + * 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_ |