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Remove BGW ATRAC3 mode in FFmpeg in favor of custom streamfiles

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This commit is contained in:
bnnm 2018-01-27 13:01:30 +01:00
parent 72d0151530
commit 448d52fa4e
7 changed files with 0 additions and 78 deletions
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6
src/coding/ffmpeg_decoder.c
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@ -222,7 +222,6 @@ static int ffmpeg_read(void *opaque, uint8_t *buf, int buf_size) {
switch(data->config.type) {
case FFMPEG_EA_XMA: ret = ffmpeg_custom_read_eaxma(data, buf, buf_size); break;
case FFMPEG_SWITCH_OPUS: ret = ffmpeg_custom_read_switch_opus(data, buf, buf_size); break;
case FFMPEG_BGW_ATRAC3: ret = ffmpeg_custom_read_bgw_atrac3(data, buf, buf_size); break;
//case FFMPEG_EA_SCHL: ret = ffmpeg_custom_read_ea_schl(data, buf, buf_size); break;
//case FFMPEG_SFH: ret = ffmpeg_custom_read_sfh(data, buf, buf_size); break;
default: ret = ffmpeg_custom_read_standard(data, buf, buf_size); break;
@ -291,7 +290,6 @@ static int64_t ffmpeg_seek(void *opaque, int64_t offset, int whence) {
switch(data->config.type) {
case FFMPEG_EA_XMA: offset = ffmpeg_custom_seek_eaxma(data, offset); break;
case FFMPEG_SWITCH_OPUS: offset = ffmpeg_custom_seek_switch_opus(data, offset); break;
case FFMPEG_BGW_ATRAC3: offset = ffmpeg_custom_seek_bgw_atrac3(data, offset); break;
//case FFMPEG_EA_SCHL: offset = ffmpeg_custom_seek_ea_schl(data, offset); break;
//case FFMPEG_SFH: offset = ffmpeg_custom_seek_sfh(data, offset); break;
default: offset = ffmpeg_custom_seek_standard(data, offset); break;
@ -309,7 +307,6 @@ static int64_t ffmpeg_size(ffmpeg_codec_data * data) {
switch(data->config.type) {
case FFMPEG_EA_XMA: bytes = ffmpeg_custom_size_eaxma(data); break;
case FFMPEG_SWITCH_OPUS: bytes = ffmpeg_custom_size_switch_opus(data); break;
case FFMPEG_BGW_ATRAC3: bytes = ffmpeg_custom_size_bgw_atrac3(data); break;
//case FFMPEG_EA_SCHL: bytes = ffmpeg_custom_size_ea_schl(data); break;
//case FFMPEG_SFH: bytes = ffmpeg_custom_size_sfh(data); break;
default: bytes = ffmpeg_custom_size_standard(data); break;
@ -806,9 +803,6 @@ void free_ffmpeg(ffmpeg_codec_data *data) {
close_streamfile(data->streamfile);
data->streamfile = NULL;
}
if (data->config.key) {
free(data->config.key);
}
free(data);
}

4
src/coding/ffmpeg_decoder_utils.h
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@ -31,10 +31,6 @@ int ffmpeg_custom_read_switch_opus(ffmpeg_codec_data *data, uint8_t *buf, int bu
int64_t ffmpeg_custom_seek_switch_opus(ffmpeg_codec_data *data, int64_t virtual_offset);
int64_t ffmpeg_custom_size_switch_opus(ffmpeg_codec_data *data);
int ffmpeg_custom_read_bgw_atrac3(ffmpeg_codec_data *data, uint8_t *buf, int buf_size);
int64_t ffmpeg_custom_seek_bgw_atrac3(ffmpeg_codec_data *data, int64_t virtual_offset);
int64_t ffmpeg_custom_size_bgw_atrac3(ffmpeg_codec_data *data);
//int ffmpeg_custom_read_ea_schl(ffmpeg_codec_data *data, uint8_t *buf, int buf_size);
//int64_t ffmpeg_custom_seek_ea_schl(ffmpeg_codec_data *data, int64_t virtual_offset);
//int64_t ffmpeg_custom_size_ea_schl(ffmpeg_codec_data *data);

58
src/coding/ffmpeg_decoder_utils_bgw_atrac3.c
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@ -1,58 +0,0 @@
#if 1
#include "coding.h"
#include "ffmpeg_decoder_utils.h"
#ifdef VGM_USE_FFMPEG
#define BGM_ATRAC3_FRAME_SIZE 0xC0
/**
* Encrypted ATRAC3 used in BGW (Final Fantasy XI PC).
* Info from Moogle Toolbox: https://sourceforge.net/projects/mogbox/
*/
int ffmpeg_custom_read_bgw_atrac3(ffmpeg_codec_data *data, uint8_t *buf, int buf_size) {
int i, ch;
size_t bytes;
size_t block_align = BGM_ATRAC3_FRAME_SIZE * data->config.channels;
/* init key: first frame + modified channel header */
if (data->config.key == NULL) {
data->config.key = malloc(block_align);
if (!data->config.key) return 0;
read_streamfile(data->config.key, data->real_start, block_align, data->streamfile);
for (ch = 0; ch < data->config.channels; ch++) {
uint32_t xor = get_32bitBE(data->config.key + ch*BGM_ATRAC3_FRAME_SIZE);
put_32bitBE(data->config.key + ch*BGM_ATRAC3_FRAME_SIZE, xor ^ 0xA0024E9F);
}
}
/* read normally and unXOR the data */
bytes = read_streamfile(buf, data->real_offset, buf_size, data->streamfile);
for (i = 0; i < bytes; i++) {
int key_pos = (data->real_offset - data->real_start + i) % block_align;
buf[i] = buf[i] ^ data->config.key[key_pos];
}
data->real_offset += bytes;
return bytes;
}
int64_t ffmpeg_custom_seek_bgw_atrac3(ffmpeg_codec_data *data, int64_t virtual_offset) {
int64_t seek_virtual_offset = virtual_offset - data->header_size;
data->real_offset = data->real_start + seek_virtual_offset;
return virtual_offset;
}
int64_t ffmpeg_custom_size_bgw_atrac3(ffmpeg_codec_data *data) {
return data->real_size + data->header_size;
}
#endif
#endif

4
src/libvgmstream.vcproj
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@ -1482,10 +1482,6 @@
RelativePath=".\coding\ffmpeg_decoder_utils_ea_schl.c"
>
</File>
<File
RelativePath=".\coding\ffmpeg_decoder_utils_bgw_atrac3.c"
>
</File>
<File
RelativePath=".\coding\ffmpeg_decoder_utils_ea_xma.c"
>

1
src/libvgmstream.vcxproj
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@ -112,7 +112,6 @@
<ClCompile Include="coding\atrac9_decoder.c" />
<ClCompile Include="coding\coding_utils.c" />
<ClCompile Include="coding\ffmpeg_decoder.c" />
<ClCompile Include="coding\ffmpeg_decoder_utils_bgw_atrac3.c" />
<ClCompile Include="coding\ffmpeg_decoder_utils_ea_xma.c" />
<ClCompile Include="coding\ffmpeg_decoder_utils_switch_opus.c" />
<ClCompile Include="coding\ffmpeg_decoder_utils.c" />

3
src/libvgmstream.vcxproj.filters
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@ -1222,9 +1222,6 @@
<ClCompile Include="coding\ffmpeg_decoder.c">
<Filter>coding\Source Files</Filter>
</ClCompile>
<ClCompile Include="coding\ffmpeg_decoder_utils_bgw_atrac3.c">
<Filter>coding\Source Files</Filter>
</ClCompile>
<ClCompile Include="coding\ffmpeg_decoder_utils_ea_xma.c">
<Filter>coding\Source Files</Filter>
</ClCompile>

2
src/vgmstream.h
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@ -1098,7 +1098,6 @@ typedef enum {
FFMPEG_STANDARD, /* default FFmpeg */
FFMPEG_SWITCH_OPUS, /* Opus without Ogg layer */
FFMPEG_EA_XMA, /* XMA with padding removed and custom streams in SNS blocks */
FFMPEG_BGW_ATRAC3, /* Encrypted raw ATRAC3 */
//FFMPEG_EA_SCHL, /* Normal header+data (ex. ATRAC3) in SCxx blocks */
//FFMPEG_SFH, /* ATRAC3plus header+data in SFH blocks */
//FFMPEG_AWC_XMA, /* XMA data in AWC blocks, 1 streams per channel */
@ -1116,7 +1115,6 @@ typedef struct {
/* internal sequences, when needed */
int sequence;
int samples_done;
uint8_t * key;
} ffmpeg_custom_config;
typedef struct {