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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/bitwriter_buffer.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/bitwriter_buffer.h b/third_party/aom/aom_dsp/bitwriter_buffer.h new file mode 100644 index 0000000000..fd10e01bb7 --- /dev/null +++ b/third_party/aom/aom_dsp/bitwriter_buffer.h @@ -0,0 +1,55 @@ +/* + * 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_AOM_DSP_BITWRITER_BUFFER_H_ +#define AOM_AOM_DSP_BITWRITER_BUFFER_H_ + +#include "aom/aom_integer.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct aom_write_bit_buffer { + uint8_t *bit_buffer; + uint32_t bit_offset; +}; + +int aom_wb_is_byte_aligned(const struct aom_write_bit_buffer *wb); + +uint32_t aom_wb_bytes_written(const struct aom_write_bit_buffer *wb); + +void aom_wb_write_bit(struct aom_write_bit_buffer *wb, int bit); + +void aom_wb_overwrite_bit(struct aom_write_bit_buffer *wb, int bit); + +void aom_wb_write_literal(struct aom_write_bit_buffer *wb, int data, int bits); + +void aom_wb_write_unsigned_literal(struct aom_write_bit_buffer *wb, + uint32_t data, int bits); + +void aom_wb_overwrite_literal(struct aom_write_bit_buffer *wb, int data, + int bits); + +void aom_wb_write_inv_signed_literal(struct aom_write_bit_buffer *wb, int data, + int bits); + +void aom_wb_write_uvlc(struct aom_write_bit_buffer *wb, uint32_t v); + +void aom_wb_write_signed_primitive_refsubexpfin(struct aom_write_bit_buffer *wb, + uint16_t n, uint16_t k, + int16_t ref, int16_t v); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AOM_DSP_BITWRITER_BUFFER_H_ |