mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 18:05:52 +01:00
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
#include "meta.h"
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/* silent stream - mainly for engines that need them or dummy subsongs */
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static VGMSTREAM* init_vgmstream_silence_internal(int channels, int sample_rate, int32_t num_samples, uint32_t channel_layout) {
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VGMSTREAM* vgmstream = NULL;
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if (channels <= 0)
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channels = 2;
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if (sample_rate <= 0)
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sample_rate = 48000;
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if (num_samples <= 0)
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num_samples = 1.0 * sample_rate;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channels, 0);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_SILENCE;
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vgmstream->sample_rate = sample_rate;
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vgmstream->num_samples = num_samples;
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vgmstream->channel_layout = channel_layout;
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vgmstream->coding_type = coding_SILENCE;
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vgmstream->layout_type = layout_none;
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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VGMSTREAM* init_vgmstream_silence(int channels, int sample_rate, int32_t num_samples) {
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return init_vgmstream_silence_internal(channels, sample_rate, num_samples, 0);
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}
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/* silent stream - for containers that have dummy streams but it's a hassle to detect/filter out */
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VGMSTREAM* init_vgmstream_silence_container(int total_subsongs) {
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VGMSTREAM* vgmstream = NULL;
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vgmstream = init_vgmstream_silence_internal(0, 0, 0, 0);
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if (!vgmstream) goto fail;
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vgmstream->num_streams = total_subsongs;
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snprintf(vgmstream->stream_name, STREAM_NAME_SIZE, "%s", "dummy");
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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VGMSTREAM* init_vgmstream_silence_base(VGMSTREAM* v) {
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if (!v)
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return init_vgmstream_silence_internal(0, 0, 0, 0);
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return init_vgmstream_silence_internal(
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v->channels,
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v->sample_rate,
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0, //v->num_samples ?
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v->channel_layout);
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} |