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Merge pull request #187 from Thealexbarney/opus-fixes-switch

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Fixes for Switch Opus reading
This commit is contained in:
Christopher Snowhill 2018-02-15 16:37:19 -08:00 committed by GitHub
commit 73933aae95
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2 changed files with 16 additions and 9 deletions
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2
src/coding/ffmpeg_decoder_utils_switch_opus.c
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@ -169,7 +169,7 @@ size_t switch_opus_get_samples(off_t offset, size_t data_size, int sample_rate,
uint8_t buf[4];
size_t block_size = read_32bitBE(offset, streamFile);
read_streamfile(buf, offset+4, 4, streamFile);
read_streamfile(buf, offset+8, 4, streamFile);
num_samples += get_opus_samples_per_frame(buf, sample_rate);
offset += 0x08 + block_size;

23
src/meta/nsw_opus.c
View File

@ -9,7 +9,7 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
int loop_flag = 0, channel_count;
int num_samples = 0, loop_start = 0, loop_end = 0;
off_t offset = 0, data_offset;
size_t data_size;
size_t data_size, skip = 0;
/* check extension, case insensitive */
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);
/* 0x0a: packet size if CBR, 0 if VBR */
data_offset = offset + read_32bitLE(offset + 0x10, streamFile);
skip = read_32bitLE(offset + 0x1c, streamFile);
if ((uint32_t)read_32bitLE(data_offset, streamFile) != 0x80000004)
goto fail;
@ -77,10 +78,9 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
#ifdef VGM_USE_FFMPEG
{
uint8_t buf[0x100];
size_t bytes, skip;
size_t bytes;
ffmpeg_custom_config cfg;
skip = 0; //todo
ffmpeg_codec_data *ffmpeg_data;
bytes = ffmpeg_make_opus_header(buf,0x100, vgmstream->channels, skip, vgmstream->sample_rate);
if (bytes <= 0) goto fail;
@ -88,14 +88,21 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
memset(&cfg, 0, sizeof(ffmpeg_custom_config));
cfg.type = FFMPEG_SWITCH_OPUS;
vgmstream->codec_data = init_ffmpeg_config(streamFile, buf,bytes, start_offset,data_size, &cfg);
if (!vgmstream->codec_data) goto fail;
ffmpeg_data = init_ffmpeg_config(streamFile, buf,bytes, start_offset,data_size, &cfg);
if (!ffmpeg_data) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
if (ffmpeg_data->skipSamples <= 0) {
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);
if (vgmstream->num_samples == 0) {
vgmstream->num_samples = switch_opus_get_samples(start_offset, data_size,
vgmstream->sample_rate, streamFile) - skip;
}
}
#else
goto fail;