58 lines
2.6 KiB
C
58 lines
2.6 KiB
C
#ifndef _VORBIS_CUSTOM_DECODER_H_
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#define _VORBIS_CUSTOM_DECODER_H_
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#include "../vgmstream.h"
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#include "../coding/coding.h"
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/* used by vorbis_custom_decoder.c, but scattered in other .c files */
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#ifdef VGM_USE_VORBIS
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#include <vorbis/codec.h>
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/* custom Vorbis without Ogg layer */
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struct vorbis_custom_codec_data {
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vorbis_info vi; /* stream settings */
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vorbis_comment vc; /* stream comments */
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vorbis_dsp_state vd; /* decoder global state */
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vorbis_block vb; /* decoder local state */
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ogg_packet op; /* fake packet for internal use */
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uint8_t* buffer; /* internal raw data buffer */
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size_t buffer_size;
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size_t samples_to_discard; /* for looping purposes */
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int samples_full; /* flag, samples available in vorbis buffers */
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vorbis_custom_t type; /* Vorbis subtype */
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vorbis_custom_config config; /* config depending on the mode */
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/* Wwise Vorbis: saved data to reconstruct modified packets */
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uint8_t mode_blockflag[64+1]; /* max 6b+1; flags 'n stuff */
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int mode_bits; /* bits to store mode_number */
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uint8_t prev_blockflag; /* blockflag in the last decoded packet */
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/* Ogg-style Vorbis: packet within a page */
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int current_packet;
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/* reference for page/blocks */
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off_t block_offset;
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size_t block_size;
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int prev_block_samples; /* count for optimization */
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};
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int vorbis_custom_setup_init_fsb(STREAMFILE* sf, off_t start_offset, vorbis_custom_codec_data* data);
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int vorbis_custom_setup_init_wwise(STREAMFILE* sf, off_t start_offset, vorbis_custom_codec_data* data);
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int vorbis_custom_setup_init_ogl(STREAMFILE* sf, off_t start_offset, vorbis_custom_codec_data* data);
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int vorbis_custom_setup_init_sk(STREAMFILE* sf, off_t start_offset, vorbis_custom_codec_data* data);
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int vorbis_custom_setup_init_vid1(STREAMFILE* sf, off_t start_offset, vorbis_custom_codec_data* data);
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int vorbis_custom_setup_init_awc(STREAMFILE* sf, off_t start_offset, vorbis_custom_codec_data* data);
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int vorbis_custom_parse_packet_fsb(VGMSTREAMCHANNEL* stream, vorbis_custom_codec_data* data);
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int vorbis_custom_parse_packet_wwise(VGMSTREAMCHANNEL* stream, vorbis_custom_codec_data* data);
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int vorbis_custom_parse_packet_ogl(VGMSTREAMCHANNEL* stream, vorbis_custom_codec_data* data);
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int vorbis_custom_parse_packet_sk(VGMSTREAMCHANNEL* stream, vorbis_custom_codec_data* data);
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int vorbis_custom_parse_packet_vid1(VGMSTREAMCHANNEL* stream, vorbis_custom_codec_data* data);
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int vorbis_custom_parse_packet_awc(VGMSTREAMCHANNEL* stream, vorbis_custom_codec_data* data);
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#endif/* VGM_USE_VORBIS */
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#endif/*_VORBIS_CUSTOM_DECODER_H_ */
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