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Skip initial padding in Switch Opus streams

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This commit is contained in:
Alex Barney 2018-02-10 17:39:00 -06:00
parent a4431c3d5d
commit 90f09ac562
1 changed files with 15 additions and 8 deletions
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23
src/meta/nsw_opus.c
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@ -9,7 +9,7 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
int loop_flag = 0, channel_count; int loop_flag = 0, channel_count;
int num_samples = 0, loop_start = 0, loop_end = 0; int num_samples = 0, loop_start = 0, loop_end = 0;
off_t offset = 0, data_offset; off_t offset = 0, data_offset;
size_t data_size; size_t data_size, skip = 0;
/* check extension, case insensitive */ /* check extension, case insensitive */
if ( !check_extensions(streamFile,"opus,lopus,nop")) /* no relation to Ogg Opus */ if ( !check_extensions(streamFile,"opus,lopus,nop")) /* no relation to Ogg Opus */
@ -53,6 +53,7 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
channel_count = read_8bit(offset + 0x09, streamFile); channel_count = read_8bit(offset + 0x09, streamFile);
/* 0x0a: packet size if CBR, 0 if VBR */ /* 0x0a: packet size if CBR, 0 if VBR */
data_offset = offset + read_32bitLE(offset + 0x10, streamFile); data_offset = offset + read_32bitLE(offset + 0x10, streamFile);
skip = read_32bitLE(offset + 0x1c, streamFile);
if ((uint32_t)read_32bitLE(data_offset, streamFile) != 0x80000004) if ((uint32_t)read_32bitLE(data_offset, streamFile) != 0x80000004)
goto fail; goto fail;
@ -77,10 +78,9 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
#ifdef VGM_USE_FFMPEG #ifdef VGM_USE_FFMPEG
{ {
uint8_t buf[0x100]; uint8_t buf[0x100];
size_t bytes, skip; size_t bytes;
ffmpeg_custom_config cfg; ffmpeg_custom_config cfg;
ffmpeg_codec_data *ffmpeg_data;
skip = 0; //todo
bytes = ffmpeg_make_opus_header(buf,0x100, vgmstream->channels, skip, vgmstream->sample_rate); bytes = ffmpeg_make_opus_header(buf,0x100, vgmstream->channels, skip, vgmstream->sample_rate);
if (bytes <= 0) goto fail; if (bytes <= 0) goto fail;
@ -88,14 +88,21 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
memset(&cfg, 0, sizeof(ffmpeg_custom_config)); memset(&cfg, 0, sizeof(ffmpeg_custom_config));
cfg.type = FFMPEG_SWITCH_OPUS; cfg.type = FFMPEG_SWITCH_OPUS;
vgmstream->codec_data = init_ffmpeg_config(streamFile, buf,bytes, start_offset,data_size, &cfg); ffmpeg_data = init_ffmpeg_config(streamFile, buf,bytes, start_offset,data_size, &cfg);
if (!vgmstream->codec_data) goto fail; if (!ffmpeg_data) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg; vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none; vgmstream->layout_type = layout_none;
if (vgmstream->num_samples == 0) if (ffmpeg_data->skipSamples <= 0) {
vgmstream->num_samples = switch_opus_get_samples(start_offset, data_size, vgmstream->sample_rate, streamFile); ffmpeg_set_skip_samples(ffmpeg_data, skip);
}
if (vgmstream->num_samples == 0) {
vgmstream->num_samples = switch_opus_get_samples(start_offset, data_size,
vgmstream->sample_rate, streamFile) - skip;
}
} }
#else #else
goto fail; goto fail;