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3ad6261208
It's possible to set a "coding" that triggers calls to the above while codec_data is still null, when using special layouts like AAX
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
#include "coding.h"
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#include "../util.h"
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#ifdef VGM_USE_VORBIS
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#include <vorbis/vorbisfile.h>
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void decode_ogg_vorbis(ogg_vorbis_codec_data * data, sample * outbuf, int32_t samples_to_do, int channels) {
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int samples_done = 0;
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OggVorbis_File *ogg_vorbis_file = &data->ogg_vorbis_file;
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do {
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long rc = ov_read(ogg_vorbis_file, (char *)(outbuf + samples_done*channels),
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(samples_to_do - samples_done)*sizeof(sample)*channels, 0,
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sizeof(sample), 1, &data->bitstream);
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if (rc > 0) samples_done += rc/sizeof(sample)/channels;
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else return;
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} while (samples_done < samples_to_do);
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swap_samples_le(outbuf, samples_to_do*channels);
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}
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void reset_ogg_vorbis(VGMSTREAM *vgmstream) {
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OggVorbis_File *ogg_vorbis_file;
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ogg_vorbis_codec_data *data = vgmstream->codec_data;
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if (!data) return;
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ogg_vorbis_file = &(data->ogg_vorbis_file);
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ov_pcm_seek(ogg_vorbis_file, 0);
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}
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void seek_ogg_vorbis(VGMSTREAM *vgmstream, int32_t num_sample) {
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OggVorbis_File *ogg_vorbis_file;
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ogg_vorbis_codec_data *data = (ogg_vorbis_codec_data *)(vgmstream->codec_data);
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if (!data) return;
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ogg_vorbis_file = &(data->ogg_vorbis_file);
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ov_pcm_seek_lap(ogg_vorbis_file, num_sample);
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}
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void free_ogg_vorbis(ogg_vorbis_codec_data *data) {
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if (data) {
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OggVorbis_File *ogg_vorbis_file = &(data->ogg_vorbis_file);
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ov_clear(ogg_vorbis_file);
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close_streamfile(data->ov_streamfile.streamfile);
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free(data);
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}
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}
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#endif
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