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- #ifndef OPUS_PRIVATE_H
- #define OPUS_PRIVATE_H
- #include "arch.h"
- #include "opus.h"
- #include "celt.h"
- #include <stddef.h>
- struct OpusRepacketizer {
- unsigned char toc;
- int nb_frames;
- const unsigned char *frames[48];
- opus_int16 len[48];
- int framesize;
- };
- typedef struct ChannelLayout {
- int nb_channels;
- int nb_streams;
- int nb_coupled_streams;
- unsigned char mapping[256];
- } ChannelLayout;
- int validate_layout(const ChannelLayout *layout);
- int get_left_channel(const ChannelLayout *layout, int stream_id, int prev);
- int get_right_channel(const ChannelLayout *layout, int stream_id, int prev);
- int get_mono_channel(const ChannelLayout *layout, int stream_id, int prev);
- #define MODE_SILK_ONLY 1000
- #define MODE_HYBRID 1001
- #define MODE_CELT_ONLY 1002
- #define OPUS_SET_VOICE_RATIO_REQUEST 11018
- #define OPUS_GET_VOICE_RATIO_REQUEST 11019
- #define OPUS_SET_VOICE_RATIO(x) OPUS_SET_VOICE_RATIO_REQUEST, __opus_check_int(x)
- #define OPUS_GET_VOICE_RATIO(x) OPUS_GET_VOICE_RATIO_REQUEST, __opus_check_int_ptr(x)
- #define OPUS_SET_FORCE_MODE_REQUEST 11002
- #define OPUS_SET_FORCE_MODE(x) OPUS_SET_FORCE_MODE_REQUEST, __opus_check_int(x)
- typedef void (*downmix_func)(const void *, opus_val32 *, int, int, int, int, int);
- void downmix_float(const void *_x, opus_val32 *sub, int subframe, int offset, int c1, int c2, int C);
- void downmix_int(const void *_x, opus_val32 *sub, int subframe, int offset, int c1, int c2, int C);
- int encode_size(int size, unsigned char *data);
- opus_int32 frame_size_select(opus_int32 frame_size, int variable_duration, opus_int32 Fs);
- opus_int32 compute_frame_size(const void *analysis_pcm, int frame_size,
- int variable_duration, int C, opus_int32 Fs, int bitrate_bps,
- int delay_compensation, downmix_func downmix
- #ifndef DISABLE_FLOAT_API
- , float *subframe_mem
- #endif
- );
- opus_int32 opus_encode_native(OpusEncoder *st, const opus_val16 *pcm, int frame_size,
- unsigned char *data, opus_int32 out_data_bytes, int lsb_depth,
- const void *analysis_pcm, opus_int32 analysis_size, int c1, int c2,
- int analysis_channels, downmix_func downmix, int float_api);
- int opus_decode_native(OpusDecoder *st, const unsigned char *data, opus_int32 len,
- opus_val16 *pcm, int frame_size, int decode_fec, int self_delimited,
- opus_int32 *packet_offset, int soft_clip);
- static OPUS_INLINE int align(int i)
- {
- struct foo {char c; union { void* p; opus_int32 i; opus_val32 v; } u;};
- unsigned int alignment = offsetof(struct foo, u);
-
- return ((i + alignment - 1) / alignment) * alignment;
- }
- int opus_packet_parse_impl(const unsigned char *data, opus_int32 len,
- int self_delimited, unsigned char *out_toc,
- const unsigned char *frames[48], opus_int16 size[48],
- int *payload_offset, opus_int32 *packet_offset);
- opus_int32 opus_repacketizer_out_range_impl(OpusRepacketizer *rp, int begin, int end,
- unsigned char *data, opus_int32 maxlen, int self_delimited, int pad);
- int pad_frame(unsigned char *data, opus_int32 len, opus_int32 new_len);
- #endif
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