Signed-off-by: Paul B Mahol <onemda@gmail.com>
Paul B Mahol authored on 2012/11/19 19:51:44... | ... |
@@ -755,6 +755,7 @@ following image formats are supported: |
755 | 755 |
@tab Used in some Sega Saturn console games. |
756 | 756 |
@item ADPCM Microsoft @tab X @tab X |
757 | 757 |
@item ADPCM MS IMA @tab X @tab X |
758 |
+@item ADPCM Nintendo Gamecube AFC @tab @tab X |
|
758 | 759 |
@item ADPCM Nintendo Gamecube THP @tab @tab X |
759 | 760 |
@item ADPCM QT IMA @tab X @tab X |
760 | 761 |
@item ADPCM SEGA CRI ADX @tab X @tab X |
... | ... |
@@ -566,6 +566,7 @@ OBJS-$(CONFIG_PCM_ZORK_DECODER) += pcm.o |
566 | 566 |
OBJS-$(CONFIG_ADPCM_4XM_DECODER) += adpcm.o adpcm_data.o |
567 | 567 |
OBJS-$(CONFIG_ADPCM_ADX_DECODER) += adxdec.o adx.o |
568 | 568 |
OBJS-$(CONFIG_ADPCM_ADX_ENCODER) += adxenc.o adx.o |
569 |
+OBJS-$(CONFIG_ADPCM_AFC_DECODER) += adpcm.o adpcm_data.o |
|
569 | 570 |
OBJS-$(CONFIG_ADPCM_CT_DECODER) += adpcm.o adpcm_data.o |
570 | 571 |
OBJS-$(CONFIG_ADPCM_EA_DECODER) += adpcm.o adpcm_data.o |
571 | 572 |
OBJS-$(CONFIG_ADPCM_EA_MAXIS_XA_DECODER) += adpcm.o adpcm_data.o |
... | ... |
@@ -145,6 +145,7 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx) |
145 | 145 |
case AV_CODEC_ID_ADPCM_EA_R3: |
146 | 146 |
case AV_CODEC_ID_ADPCM_EA_XAS: |
147 | 147 |
case AV_CODEC_ID_ADPCM_THP: |
148 |
+ case AV_CODEC_ID_ADPCM_AFC: |
|
148 | 149 |
avctx->sample_fmt = AV_SAMPLE_FMT_S16P; |
149 | 150 |
break; |
150 | 151 |
case AV_CODEC_ID_ADPCM_IMA_WS: |
... | ... |
@@ -575,6 +576,9 @@ static int get_nb_samples(AVCodecContext *avctx, GetByteContext *gb, |
575 | 575 |
*coded_samples -= *coded_samples % 14; |
576 | 576 |
nb_samples = (buf_size - 80) / (8 * ch) * 14; |
577 | 577 |
break; |
578 |
+ case AV_CODEC_ID_ADPCM_AFC: |
|
579 |
+ nb_samples = buf_size / (9 * ch) * 16; |
|
580 |
+ break; |
|
578 | 581 |
case AV_CODEC_ID_ADPCM_XA: |
579 | 582 |
nb_samples = (buf_size / 128) * 224 / ch; |
580 | 583 |
break; |
... | ... |
@@ -1232,6 +1236,44 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, |
1232 | 1232 |
*samples++ = adpcm_yamaha_expand_nibble(&c->status[st], v >> 4 ); |
1233 | 1233 |
} |
1234 | 1234 |
break; |
1235 |
+ case AV_CODEC_ID_ADPCM_AFC: |
|
1236 |
+ for (channel = 0; channel < avctx->channels; channel++) { |
|
1237 |
+ int prev1 = c->status[channel].sample1; |
|
1238 |
+ int prev2 = c->status[channel].sample2; |
|
1239 |
+ |
|
1240 |
+ samples = samples_p[channel]; |
|
1241 |
+ /* Read in every sample for this channel. */ |
|
1242 |
+ for (i = 0; i < nb_samples / 16; i++) { |
|
1243 |
+ int byte = bytestream2_get_byteu(&gb); |
|
1244 |
+ int scale = 1 << (byte >> 4); |
|
1245 |
+ int index = byte & 0xf; |
|
1246 |
+ int factor1 = ff_adpcm_afc_coeffs[0][index]; |
|
1247 |
+ int factor2 = ff_adpcm_afc_coeffs[1][index]; |
|
1248 |
+ |
|
1249 |
+ /* Decode 16 samples. */ |
|
1250 |
+ for (n = 0; n < 16; n++) { |
|
1251 |
+ int32_t sampledat; |
|
1252 |
+ |
|
1253 |
+ if (n & 1) { |
|
1254 |
+ sampledat = sign_extend(byte, 4); |
|
1255 |
+ } else { |
|
1256 |
+ byte = bytestream2_get_byteu(&gb); |
|
1257 |
+ sampledat = sign_extend(byte >> 4, 4); |
|
1258 |
+ } |
|
1259 |
+ |
|
1260 |
+ sampledat = ((prev1 * factor1 + prev2 * factor2) + |
|
1261 |
+ ((sampledat * scale) << 11)) >> 11; |
|
1262 |
+ *samples = av_clip_int16(sampledat); |
|
1263 |
+ prev2 = prev1; |
|
1264 |
+ prev1 = *samples++; |
|
1265 |
+ } |
|
1266 |
+ } |
|
1267 |
+ |
|
1268 |
+ c->status[channel].sample1 = prev1; |
|
1269 |
+ c->status[channel].sample2 = prev2; |
|
1270 |
+ } |
|
1271 |
+ bytestream2_seek(&gb, 0, SEEK_END); |
|
1272 |
+ break; |
|
1235 | 1273 |
case AV_CODEC_ID_ADPCM_THP: |
1236 | 1274 |
{ |
1237 | 1275 |
int table[2][16]; |
... | ... |
@@ -1314,6 +1356,7 @@ AVCodec ff_ ## name_ ## _decoder = { \ |
1314 | 1314 |
|
1315 | 1315 |
/* Note: Do not forget to add new entries to the Makefile as well. */ |
1316 | 1316 |
ADPCM_DECODER(AV_CODEC_ID_ADPCM_4XM, sample_fmts_s16p, adpcm_4xm, "ADPCM 4X Movie"); |
1317 |
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_AFC, sample_fmts_s16p, adpcm_afc, "ADPCM Nintendo Gamecube AFC"); |
|
1317 | 1318 |
ADPCM_DECODER(AV_CODEC_ID_ADPCM_CT, sample_fmts_s16, adpcm_ct, "ADPCM Creative Technology"); |
1318 | 1319 |
ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA, sample_fmts_s16, adpcm_ea, "ADPCM Electronic Arts"); |
1319 | 1320 |
ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_MAXIS_XA, sample_fmts_s16, adpcm_ea_maxis_xa, "ADPCM Electronic Arts Maxis CDROM XA"); |
... | ... |
@@ -76,3 +76,8 @@ const int8_t ff_adpcm_yamaha_difflookup[] = { |
76 | 76 |
1, 3, 5, 7, 9, 11, 13, 15, |
77 | 77 |
-1, -3, -5, -7, -9, -11, -13, -15 |
78 | 78 |
}; |
79 |
+ |
|
80 |
+const int16_t ff_adpcm_afc_coeffs[2][16] = { |
|
81 |
+ { 0, 2048, 0, 1024, 4096, 3584, 3072, 4608, 4200, 4800, 5120, 2048, 1024, 64512, 64512, 63488 }, |
|
82 |
+ { 0, 0, 2048, 1024, 63488, 64000, 64512, 62976, 63288, 63236, 62464, 63488, 64512, 1024, 0, 0 } |
|
83 |
+}; |
... | ... |
@@ -35,5 +35,6 @@ extern const uint8_t ff_adpcm_AdaptCoeff1[]; |
35 | 35 |
extern const int8_t ff_adpcm_AdaptCoeff2[]; |
36 | 36 |
extern const int16_t ff_adpcm_yamaha_indexscale[]; |
37 | 37 |
extern const int8_t ff_adpcm_yamaha_difflookup[]; |
38 |
+extern const int16_t ff_adpcm_afc_coeffs[2][16]; |
|
38 | 39 |
|
39 | 40 |
#endif /* AVCODEC_ADPCM_DATA_H */ |
... | ... |
@@ -387,6 +387,7 @@ void avcodec_register_all(void) |
387 | 387 |
/* ADPCM codecs */ |
388 | 388 |
REGISTER_DECODER (ADPCM_4XM, adpcm_4xm); |
389 | 389 |
REGISTER_ENCDEC (ADPCM_ADX, adpcm_adx); |
390 |
+ REGISTER_DECODER (ADPCM_AFC, adpcm_afc); |
|
390 | 391 |
REGISTER_DECODER (ADPCM_CT, adpcm_ct); |
391 | 392 |
REGISTER_DECODER (ADPCM_EA, adpcm_ea); |
392 | 393 |
REGISTER_DECODER (ADPCM_EA_MAXIS_XA, adpcm_ea_maxis_xa); |
... | ... |
@@ -1756,6 +1756,13 @@ static const AVCodecDescriptor codec_descriptors[] = { |
1756 | 1756 |
.long_name = NULL_IF_CONFIG_SMALL("ADPCM IMA CRYO APC"), |
1757 | 1757 |
.props = AV_CODEC_PROP_LOSSY, |
1758 | 1758 |
}, |
1759 |
+ { |
|
1760 |
+ .id = AV_CODEC_ID_ADPCM_AFC, |
|
1761 |
+ .type = AVMEDIA_TYPE_AUDIO, |
|
1762 |
+ .name = "adpcm_afc", |
|
1763 |
+ .long_name = NULL_IF_CONFIG_SMALL("ADPCM Nintendo Gamecube AFC"), |
|
1764 |
+ .props = AV_CODEC_PROP_LOSSY, |
|
1765 |
+ }, |
|
1759 | 1766 |
|
1760 | 1767 |
/* AMR */ |
1761 | 1768 |
{ |
... | ... |
@@ -29,7 +29,7 @@ |
29 | 29 |
#include "libavutil/avutil.h" |
30 | 30 |
|
31 | 31 |
#define LIBAVCODEC_VERSION_MAJOR 54 |
32 |
-#define LIBAVCODEC_VERSION_MINOR 75 |
|
32 |
+#define LIBAVCODEC_VERSION_MINOR 76 |
|
33 | 33 |
#define LIBAVCODEC_VERSION_MICRO 100 |
34 | 34 |
|
35 | 35 |
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ |
... | ... |
@@ -43,6 +43,9 @@ static int ast_read_header(AVFormatContext *s) |
43 | 43 |
avio_skip(s->pb, 8); |
44 | 44 |
codec = avio_rb16(s->pb); |
45 | 45 |
switch (codec) { |
46 |
+ case 0: |
|
47 |
+ st->codec->codec_id = AV_CODEC_ID_ADPCM_AFC; |
|
48 |
+ break; |
|
46 | 49 |
case 1: |
47 | 50 |
st->codec->codec_id = AV_CODEC_ID_PCM_S16BE_PLANAR; |
48 | 51 |
break; |