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Diffstat (limited to 'media/libaom/src/av1/common/obu_util.h')
| -rw-r--r-- | media/libaom/src/av1/common/obu_util.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/media/libaom/src/av1/common/obu_util.h b/media/libaom/src/av1/common/obu_util.h new file mode 100644 index 000000000..7c56904c8 --- /dev/null +++ b/media/libaom/src/av1/common/obu_util.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2018, 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_AV1_COMMON_OBU_UTIL_H_ +#define AOM_AV1_COMMON_OBU_UTIL_H_ + +#include "aom/aom_codec.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + size_t size; // Size (1 or 2 bytes) of the OBU header (including the + // optional OBU extension header) in the bitstream. + OBU_TYPE type; + int has_size_field; + int has_extension; + // The following fields come from the OBU extension header and therefore are + // only used if has_extension is true. + int temporal_layer_id; + int spatial_layer_id; +} ObuHeader; + +aom_codec_err_t aom_read_obu_header(uint8_t *buffer, size_t buffer_length, + size_t *consumed, ObuHeader *header, + int is_annexb); + +aom_codec_err_t aom_read_obu_header_and_size(const uint8_t *data, + size_t bytes_available, + int is_annexb, + ObuHeader *obu_header, + size_t *const payload_size, + size_t *const bytes_read); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AV1_COMMON_OBU_UTIL_H_ |