mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 07:32:52 +01:00
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
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#include "../vgmstream.h"
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#include "meta.h"
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#include "../util.h"
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#include "../coding/acm_decoder.h"
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/* InterPlay ACM */
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/* The real work is done by libacm */
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VGMSTREAM * init_vgmstream_acm(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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ACMStream *acm_stream = NULL;
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mus_acm_codec_data *data;
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char filename[260];
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int loop_flag = 0;
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int channel_count;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("acm",filename_extension(filename))) goto fail;
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/* check header */
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if (read_32bitBE(0x0,streamFile) != 0x97280301)
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goto fail;
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data = calloc(1,sizeof(mus_acm_codec_data));
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if (!data) goto fail;
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data->files = calloc(1,sizeof(ACMStream *));
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if (!data->files) {
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free(data); data = NULL;
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goto fail;
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}
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/* gonna do this a little backwards, open and parse the file
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before creating the vgmstream */
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if (acm_open_decoder(&acm_stream,streamFile,filename) != ACM_OK) {
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goto fail;
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}
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channel_count = acm_stream->info.channels;
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->channels = channel_count;
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vgmstream->sample_rate = acm_stream->info.rate;
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vgmstream->coding_type = coding_ACM;
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vgmstream->num_samples = acm_stream->total_values / acm_stream->info.channels;
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vgmstream->layout_type = layout_acm;
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vgmstream->meta_type = meta_ACM;
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data->file_count = 1;
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data->current_file = 0;
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data->files[0] = acm_stream;
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vgmstream->codec_data = data;
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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return NULL;
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}
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