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Fix TXTH XMA multichannel and num_samples

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This commit is contained in:
bnnm 2018-05-12 13:53:43 +02:00
parent 93e35d672b
commit a975eff1a2
2 changed files with 18 additions and 11 deletions
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2
src/coding/coding_utils.c
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@ -190,7 +190,7 @@ int ffmpeg_make_riff_xma1(uint8_t * buf, size_t buf_size, size_t sample_count, s
put_32bitLE(buf+off+0x08, 0); /* loop start */
put_32bitLE(buf+off+0x0c, 0); /* loop end */
put_8bit (buf+off+0x10, 0); /* loop subframe */
put_8bit (buf+off+0x11, channels);
put_8bit (buf+off+0x11, stream_channels);
put_16bitLE(buf+off+0x12, speakers);
}

27
src/meta/txth.c
View File

@ -63,6 +63,8 @@ typedef struct {
uint32_t coef_big_endian;
uint32_t coef_mode;
int num_samples_data_size;
} txth_header;
static STREAMFILE * open_txth(STREAMFILE * streamFile);
@ -343,25 +345,29 @@ VGMSTREAM * init_vgmstream_txth(STREAMFILE *streamFile) {
}
#ifdef VGM_USE_FFMPEG
if (txth.sample_type_bytes && (txth.codec == XMA1 || txth.codec == XMA2)) {
if ((txth.sample_type_bytes || txth.num_samples_data_size) && (txth.codec == XMA1 || txth.codec == XMA2)) {
/* manually find sample offsets */
ms_sample_data msd;
memset(&msd,0,sizeof(ms_sample_data));
ms_sample_data msd = {0};
msd.xma_version = 1;
msd.channels = txth.channels;
msd.data_offset = txth.start_offset;
msd.data_size = txth.data_size;
msd.loop_flag = txth.loop_flag;
msd.loop_start_b = txth.loop_start_sample;
msd.loop_end_b = txth.loop_end_sample;
msd.loop_start_subframe = txth.loop_adjust & 0xF; /* lower 4b: subframe where the loop starts, 0..4 */
msd.loop_end_subframe = txth.loop_adjust >> 4; /* upper 4b: subframe where the loop ends, 0..3 */
if (txth.sample_type_bytes) {
msd.loop_flag = txth.loop_flag;
msd.loop_start_b = txth.loop_start_sample;
msd.loop_end_b = txth.loop_end_sample;
msd.loop_start_subframe = txth.loop_adjust & 0xF; /* lower 4b: subframe where the loop starts, 0..4 */
msd.loop_end_subframe = txth.loop_adjust >> 4; /* upper 4b: subframe where the loop ends, 0..3 */
}
xma_get_samples(&msd, streamFile);
vgmstream->num_samples = msd.num_samples;
vgmstream->loop_start_sample = msd.loop_start_sample;
vgmstream->loop_end_sample = msd.loop_end_sample;
if (txth.sample_type_bytes) {
vgmstream->loop_start_sample = msd.loop_start_sample;
vgmstream->loop_end_sample = msd.loop_end_sample;
}
//skip_samples = msd.skip_samples; //todo add skip samples
}
#endif
@ -524,6 +530,7 @@ static int parse_keyval(STREAMFILE * streamFile, STREAMFILE * streamText, txth_h
else if (0==strcmp(key,"num_samples")) {
if (0==strcmp(val,"data_size")) {
txth->num_samples = get_bytes_to_samples(txth, txth->data_size);
txth->num_samples_data_size = 1;
}
else {
if (!parse_num(streamFile,val, &txth->num_samples)) goto fail;