* [FFmpeg-devel] [PATCH 1/2] avcodec/adpcm: Sanyo LD-ADPCM decoder
@ 2025-06-25 8:02 Peter Ross
2025-06-25 8:03 ` [FFmpeg-devel] [PATCH 2/2] tests/fate: Sanyo LD-ADPCM test case Peter Ross
0 siblings, 1 reply; 2+ messages in thread
From: Peter Ross @ 2025-06-25 8:02 UTC (permalink / raw)
To: ffmpeg-devel
[-- Attachment #1.1: Type: text/plain, Size: 12884 bytes --]
---
adpcm_le.c was added because the decoder needs little-endian get_bits.h
Samples:
https://pross.sdf.org/sandpit/sanyo-mono-3bit-8000.wav
https://pross.sdf.org/sandpit/sanyo-mono-4bit-8000.wav
https://pross.sdf.org/sandpit/sanyo-mono-5bit-8000.wav
libavcodec/Makefile | 1 +
libavcodec/adpcm.c | 21 ++++
libavcodec/adpcm.h | 2 +
libavcodec/adpcm_le.c | 205 ++++++++++++++++++++++++++++++++++++++++
libavcodec/allcodecs.c | 1 +
libavcodec/codec_desc.c | 7 ++
libavcodec/codec_id.h | 1 +
libavformat/riff.c | 1 +
8 files changed, 239 insertions(+)
create mode 100644 libavcodec/adpcm_le.c
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index dca6c100c0..45cf80e5dd 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -990,6 +990,7 @@ OBJS-$(CONFIG_ADPCM_MS_DECODER) += adpcm.o adpcm_data.o
OBJS-$(CONFIG_ADPCM_MS_ENCODER) += adpcmenc.o adpcm_data.o
OBJS-$(CONFIG_ADPCM_MTAF_DECODER) += adpcm.o adpcm_data.o
OBJS-$(CONFIG_ADPCM_PSX_DECODER) += adpcm.o adpcm_data.o
+OBJS-$(CONFIG_ADPCM_SANYO_DECODER) += adpcm.o adpcm_data.o adpcm_le.o
OBJS-$(CONFIG_ADPCM_SBPRO_2_DECODER) += adpcm.o adpcm_data.o
OBJS-$(CONFIG_ADPCM_SBPRO_3_DECODER) += adpcm.o adpcm_data.o
OBJS-$(CONFIG_ADPCM_SBPRO_4_DECODER) += adpcm.o adpcm_data.o
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 622cf54b40..d0f5780dce 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -260,6 +260,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
case AV_CODEC_ID_ADPCM_IMA_AMV:
max_channels = 1;
break;
+ case AV_CODEC_ID_ADPCM_SANYO:
+ max_channels = 2;
+ break;
case AV_CODEC_ID_ADPCM_AFC:
case AV_CODEC_ID_ADPCM_EA_R1:
case AV_CODEC_ID_ADPCM_EA_R2:
@@ -307,6 +310,10 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
avctx->block_align != 17 * avctx->ch_layout.nb_channels)
return AVERROR_INVALIDDATA;
break;
+ case AV_CODEC_ID_ADPCM_SANYO:
+ if (avctx->bits_per_coded_sample < 3 || avctx->bits_per_coded_sample > 5)
+ return AVERROR_INVALIDDATA;
+ break;
case AV_CODEC_ID_ADPCM_IMA_XBOX:
if (avctx->bits_per_coded_sample != 4)
return AVERROR_INVALIDDATA;
@@ -338,6 +345,7 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
case AV_CODEC_ID_ADPCM_AFC:
case AV_CODEC_ID_ADPCM_DTK:
case AV_CODEC_ID_ADPCM_PSX:
+ case AV_CODEC_ID_ADPCM_SANYO:
case AV_CODEC_ID_ADPCM_MTAF:
case AV_CODEC_ID_ADPCM_ARGO:
case AV_CODEC_ID_ADPCM_IMA_MOFLEX:
@@ -1072,6 +1080,11 @@ static int get_nb_samples(AVCodecContext *avctx, GetByteContext *gb,
case AV_CODEC_ID_ADPCM_ZORK:
nb_samples = buf_size / ch;
break;
+ case AV_CODEC_ID_ADPCM_SANYO:
+ if (!avctx->extradata || avctx->extradata_size != 2)
+ return AVERROR_INVALIDDATA;
+ nb_samples = AV_RL16(avctx->extradata);
+ break;
}
/* validate coded sample count */
@@ -2265,6 +2278,13 @@ static int adpcm_decode_frame(AVCodecContext *avctx, AVFrame *frame,
}
}
) /* End of CASE */
+ CASE(ADPCM_SANYO,
+ for (int ch = 0; ch < channels; ch++) {
+ c->status[ch].predictor = (int16_t)bytestream2_get_le16(&gb);
+ c->status[ch].step = (int16_t)bytestream2_get_le16(&gb);
+ }
+ bytestream2_skip(&gb, ff_adpcm_sanyo_decode(c->status, gb.buffer, bytestream2_get_bytes_left(&gb), avctx->bits_per_coded_sample, nb_samples, channels, samples_p));
+ ) /* End of CASE */
CASE(ADPCM_ARGO,
/*
* The format of each block:
@@ -2448,6 +2468,7 @@ ADPCM_DECODER(ADPCM_IMA_XBOX, sample_fmts_s16p, adpcm_ima_xbox, "ADPCM IMA
ADPCM_DECODER(ADPCM_MS, sample_fmts_both, adpcm_ms, "ADPCM Microsoft")
ADPCM_DECODER(ADPCM_MTAF, sample_fmts_s16p, adpcm_mtaf, "ADPCM MTAF")
ADPCM_DECODER(ADPCM_PSX, sample_fmts_s16p, adpcm_psx, "ADPCM Playstation")
+ADPCM_DECODER(ADPCM_SANYO, sample_fmts_s16p, adpcm_sanyo, "ADPCM Sanyo")
ADPCM_DECODER(ADPCM_SBPRO_2, sample_fmts_s16, adpcm_sbpro_2, "ADPCM Sound Blaster Pro 2-bit")
ADPCM_DECODER(ADPCM_SBPRO_3, sample_fmts_s16, adpcm_sbpro_3, "ADPCM Sound Blaster Pro 2.6-bit")
ADPCM_DECODER(ADPCM_SBPRO_4, sample_fmts_s16, adpcm_sbpro_4, "ADPCM Sound Blaster Pro 4-bit")
diff --git a/libavcodec/adpcm.h b/libavcodec/adpcm.h
index 0ffc3da1d0..b1c54ed275 100644
--- a/libavcodec/adpcm.h
+++ b/libavcodec/adpcm.h
@@ -45,4 +45,6 @@ typedef struct ADPCMChannelStatus {
int16_t ff_adpcm_argo_expand_nibble(ADPCMChannelStatus *cs, int nibble, int shift, int flag);
+int ff_adpcm_sanyo_decode(ADPCMChannelStatus *cs, const uint8_t *data, int data_size, int bits_per_coded_sample, int nb_samples, int channels, int16_t **samples_p);
+
#endif /* AVCODEC_ADPCM_H */
diff --git a/libavcodec/adpcm_le.c b/libavcodec/adpcm_le.c
new file mode 100644
index 0000000000..df8eb3dd90
--- /dev/null
+++ b/libavcodec/adpcm_le.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 2025 Peter Ross
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "adpcm.h"
+#define BITSTREAM_READER_LE
+#include "get_bits.h"
+
+static int adpcm_sanyo_expand3(ADPCMChannelStatus *c, int bits)
+{
+ int sign, delta, add;
+
+ sign = bits & 4;
+ if (sign)
+ delta = 4 - (bits & 3);
+ else
+ delta = bits;
+
+ switch (delta) {
+ case 0:
+ add = 0;
+ c->step = (3 * c->step) >> 2;
+ break;
+ case 1:
+ add = c->step;
+ c->step = (4 * c->step - (c->step >> 1)) >> 2;
+ break;
+ case 2:
+ add = 2 * c->step;
+ c->step = ((c->step >> 1) + add) >> 1;
+ break;
+ case 3:
+ add = 4 * c->step - (c->step >> 1);
+ c->step = 2 * c->step;
+ break;
+ case 4:
+ add = (11 * c->step) >> 1;
+ c->step = 3 * c->step;
+ break;
+ }
+
+ if (sign)
+ add = -add;
+
+ c->predictor = av_clip_int16(c->predictor + add);
+ c->step = av_clip(c->step, 1, 7281);
+ return c->predictor;
+}
+
+static int adpcm_sanyo_expand4(ADPCMChannelStatus *c, int bits)
+{
+ int sign, delta, add;
+
+ sign = bits & 8;
+ if (sign)
+ delta = 8 - (bits & 7);
+ else
+ delta = bits;
+
+ switch (delta) {
+ case 0:
+ add = 0;
+ c->step = (3 * c->step) >> 2;
+ break;
+ case 1:
+ add = c->step;
+ c->step = (3 * c->step) >> 2;
+ break;
+ case 2:
+ add = 2 * c->step;
+ break;
+ case 3:
+ add = 3 * c->step;
+ break;
+ case 4:
+ add = 4 * c->step;
+ break;
+ case 5:
+ add = (11 * c->step) >> 1;
+ c->step += c->step >> 2;
+ break;
+ case 6:
+ add = (15 * c->step) >> 1;
+ c->step = 2 * c->step;
+ break;
+ case 7:
+ if (sign)
+ add = (19 * c->step) >> 1;
+ else
+ add = (21 * c->step) >> 1;
+ c->step = (c->step >> 1) + 2 * c->step;
+ break;
+ case 8:
+ add = (25 * c->step) >> 1;
+ c->step = 5 * c->step;
+ break;
+ }
+
+ if (sign)
+ add = -add;
+
+ c->predictor = av_clip_int16(c->predictor + add);
+ c->step = av_clip(c->step, 1, 2621);
+ return c->predictor;
+}
+
+static int adpcm_sanyo_expand5(ADPCMChannelStatus *c, int bits)
+{
+ int sign, delta, add;
+
+ sign = bits & 0x10;
+ if (sign)
+ delta = 16 - (bits & 0xF);
+ else
+ delta = bits;
+
+ add = delta * c->step;
+ switch (delta) {
+ case 0:
+ c->step += (c->step >> 2) - (c->step >> 1);
+ break;
+ case 1:
+ case 2:
+ case 3:
+ c->step += (c->step >> 3) - (c->step >> 2);
+ break;
+ case 4:
+ case 5:
+ c->step += (c->step >> 4) - (c->step >> 3);
+ break;
+ case 6:
+ break;
+ case 7:
+ c->step += c->step >> 3;
+ break;
+ case 8:
+ c->step += c->step >> 2;
+ break;
+ case 9:
+ c->step += c->step >> 1;
+ break;
+ case 10:
+ c->step = 2 * c->step - (c->step >> 3);
+ break;
+ case 11:
+ c->step = 2 * c->step + (c->step >> 3);
+ break;
+ case 12:
+ c->step = 2 * c->step + (c->step >> 1) - (c->step >> 3);
+ break;
+ case 13:
+ c->step = 3 * c->step - (c->step >> 2);
+ break;
+ case 14:
+ c->step *= 3;
+ break;
+ case 15:
+ case 16:
+ c->step = (7 * c->step) >> 1;
+ break;
+ }
+
+ if (sign)
+ add = -add;
+
+ c->predictor = av_clip_int16(c->predictor + add);
+ c->step = av_clip(c->step, 1, 1024);
+ return c->predictor;
+}
+
+int ff_adpcm_sanyo_decode(ADPCMChannelStatus *cs, const uint8_t *data, int data_size, int bits_per_coded_sample, int nb_samples, int channels, int16_t **samples_p)
+{
+ int (*expand)(ADPCMChannelStatus *c, int bits);
+ GetBitContext gb;
+
+ switch(bits_per_coded_sample) {
+ case 3: expand = adpcm_sanyo_expand3; break;
+ case 4: expand = adpcm_sanyo_expand4; break;
+ case 5: expand = adpcm_sanyo_expand5; break;
+ }
+
+ init_get_bits8(&gb, data, data_size);
+ for (int i = 0; i < nb_samples; i++)
+ for (int ch = 0; ch < channels; ch++)
+ samples_p[ch][i] = expand(&cs[ch], get_bits(&gb, bits_per_coded_sample));
+
+ align_get_bits(&gb);
+ return get_bits_count(&gb) / 8;
+}
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 4b11ad3a75..082cd22e6a 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -694,6 +694,7 @@ extern const FFCodec ff_adpcm_ms_encoder;
extern const FFCodec ff_adpcm_ms_decoder;
extern const FFCodec ff_adpcm_mtaf_decoder;
extern const FFCodec ff_adpcm_psx_decoder;
+extern const FFCodec ff_adpcm_sanyo_decoder;
extern const FFCodec ff_adpcm_sbpro_2_decoder;
extern const FFCodec ff_adpcm_sbpro_3_decoder;
extern const FFCodec ff_adpcm_sbpro_4_decoder;
diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 5b6aaab88e..dae2296689 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -2619,6 +2619,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("ADPCM IMA Xbox"),
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
},
+ {
+ .id = AV_CODEC_ID_ADPCM_SANYO,
+ .type = AVMEDIA_TYPE_AUDIO,
+ .name = "adpcm_sanyo",
+ .long_name = NULL_IF_CONFIG_SMALL("ADPCM Sanyo"),
+ .props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+ },
/* AMR */
{
diff --git a/libavcodec/codec_id.h b/libavcodec/codec_id.h
index 09dff29886..d00d3fe121 100644
--- a/libavcodec/codec_id.h
+++ b/libavcodec/codec_id.h
@@ -425,6 +425,7 @@ enum AVCodecID {
AV_CODEC_ID_ADPCM_IMA_ACORN,
AV_CODEC_ID_ADPCM_XMD,
AV_CODEC_ID_ADPCM_IMA_XBOX,
+ AV_CODEC_ID_ADPCM_SANYO,
/* AMR */
AV_CODEC_ID_AMR_NB = 0x12000,
diff --git a/libavformat/riff.c b/libavformat/riff.c
index 151563e9f2..3c12c4e6c3 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -570,6 +570,7 @@ const AVCodecTag ff_codec_wav_tags[] = {
{ AV_CODEC_ID_G729, 0x0083 },
{ AV_CODEC_ID_AAC, 0x00ff },
{ AV_CODEC_ID_G723_1, 0x0111 },
+ { AV_CODEC_ID_ADPCM_SANYO, 0x0125 },
{ AV_CODEC_ID_SIPR, 0x0130 },
{ AV_CODEC_ID_ACELP_KELVIN, 0x0135 },
{ AV_CODEC_ID_WMAV1, 0x0160 },
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 195 bytes --]
[-- Attachment #2: Type: text/plain, Size: 251 bytes --]
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^ permalink raw reply [flat|nested] 2+ messages in thread
* [FFmpeg-devel] [PATCH 2/2] tests/fate: Sanyo LD-ADPCM test case
2025-06-25 8:02 [FFmpeg-devel] [PATCH 1/2] avcodec/adpcm: Sanyo LD-ADPCM decoder Peter Ross
@ 2025-06-25 8:03 ` Peter Ross
0 siblings, 0 replies; 2+ messages in thread
From: Peter Ross @ 2025-06-25 8:03 UTC (permalink / raw)
To: ffmpeg-devel
[-- Attachment #1.1: Type: text/plain, Size: 10114 bytes --]
---
tests/fate/audio.mak | 11 ++++++++
tests/ref/fate/sanyo-3bit | 36 +++++++++++++++++++++++++
tests/ref/fate/sanyo-4bit | 46 +++++++++++++++++++++++++++++++
tests/ref/fate/sanyo-5bit | 57 +++++++++++++++++++++++++++++++++++++++
4 files changed, 150 insertions(+)
create mode 100644 tests/ref/fate/sanyo-3bit
create mode 100644 tests/ref/fate/sanyo-4bit
create mode 100644 tests/ref/fate/sanyo-5bit
diff --git a/tests/fate/audio.mak b/tests/fate/audio.mak
index 6e091760ea..17dfdeabf0 100644
--- a/tests/fate/audio.mak
+++ b/tests/fate/audio.mak
@@ -85,6 +85,17 @@ fate-ws_snd: CMD = md5 -i $(TARGET_SAMPLES)/vqa/ws_snd.vqa -f s16le -af aresampl
FATE_SAMPLES_AUDIO_FFPROBE-$(call DEMDEC, WAV, WMAV2, FILE_PROTOCOL) += fate-flcl1905
fate-flcl1905: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_frames -show_packets -print_format compact $(TARGET_SAMPLES)/wav/FLCL_Ending_My-short.wav
+FATE_SAMPLES_AUDIO-$(call DEMDEC, WAV, ADPCM_SANYO, ARESAMPLE_FILTER) += fate-sanyo-3bit
+fate-sanyo-3bit: CMD = framecrc -i $(TARGET_SAMPLES)/sanyo/sanyo-mono-3bit-8000.wav -af aresample
+
+FATE_SAMPLES_AUDIO-$(call DEMDEC, WAV, ADPCM_SANYO, ARESAMPLE_FILTER) += fate-sanyo-4bit
+fate-sanyo-4bit: CMD = framecrc -i $(TARGET_SAMPLES)/sanyo/sanyo-mono-4bit-8000.wav -af aresample
+
+FATE_SAMPLES_AUDIO-$(call DEMDEC, WAV, ADPCM_SANYO, ARESAMPLE_FILTER) += fate-sanyo-5bit
+fate-sanyo-5bit: CMD = framecrc -i $(TARGET_SAMPLES)/sanyo/sanyo-mono-5bit-8000.wav -af aresample
+
+fate-sanyo: fate-sanyo-3bit fate-sanyo-4bit fate-sanyo-5bit
+
FATE_SAMPLES_AUDIO += $(FATE_SAMPLES_AUDIO-yes)
FATE_SAMPLES_AUDIO_FFPROBE += $(FATE_SAMPLES_AUDIO_FFPROBE-yes)
diff --git a/tests/ref/fate/sanyo-3bit b/tests/ref/fate/sanyo-3bit
new file mode 100644
index 0000000000..0109d319c6
--- /dev/null
+++ b/tests/ref/fate/sanyo-3bit
@@ -0,0 +1,36 @@
+#tb 0: 1/8000
+#media_type 0: audio
+#codec_id 0: pcm_s16le
+#sample_rate 0: 8000
+#channel_layout_name 0: mono
+0, 0, 0, 672, 1344, 0x3c0e906d
+0, 672, 672, 672, 1344, 0xd2fcc7cc
+0, 1344, 1344, 672, 1344, 0x7848aeb7
+0, 2016, 2016, 672, 1344, 0x82e2b37d
+0, 2688, 2688, 672, 1344, 0xdeebc252
+0, 3360, 3360, 672, 1344, 0x83e5a6ef
+0, 4032, 4032, 672, 1344, 0x9a58a8cd
+0, 4704, 4704, 672, 1344, 0x081fbbc2
+0, 5376, 5376, 672, 1344, 0x4ca36019
+0, 6048, 6048, 672, 1344, 0x2ef29445
+0, 6720, 6720, 672, 1344, 0xa291bb7c
+0, 7392, 7392, 672, 1344, 0xa32cd23a
+0, 8064, 8064, 672, 1344, 0x147c9fec
+0, 8736, 8736, 672, 1344, 0x2e1ca1b8
+0, 9408, 9408, 672, 1344, 0x77bfac0c
+0, 10080, 10080, 672, 1344, 0xbf2d97c0
+0, 10752, 10752, 672, 1344, 0x114893ac
+0, 11424, 11424, 672, 1344, 0xe0b88410
+0, 12096, 12096, 672, 1344, 0x76388fee
+0, 12768, 12768, 672, 1344, 0xb3019bf5
+0, 13440, 13440, 672, 1344, 0x94a2a691
+0, 14112, 14112, 672, 1344, 0x739bdae5
+0, 14784, 14784, 672, 1344, 0x83bab684
+0, 15456, 15456, 672, 1344, 0x94ca84b6
+0, 16128, 16128, 672, 1344, 0x54426c4b
+0, 16800, 16800, 672, 1344, 0x7451b88f
+0, 17472, 17472, 672, 1344, 0xbc4d9be7
+0, 18144, 18144, 672, 1344, 0xca539b65
+0, 18816, 18816, 672, 1344, 0x3bc4b8fb
+0, 19488, 19488, 672, 1344, 0xc3453756
+0, 20160, 20160, 672, 1344, 0x1b283764
diff --git a/tests/ref/fate/sanyo-4bit b/tests/ref/fate/sanyo-4bit
new file mode 100644
index 0000000000..8a475f006c
--- /dev/null
+++ b/tests/ref/fate/sanyo-4bit
@@ -0,0 +1,46 @@
+#tb 0: 1/8000
+#media_type 0: audio
+#codec_id 0: pcm_s16le
+#sample_rate 0: 8000
+#channel_layout_name 0: mono
+0, 0, 0, 504, 1008, 0x00560003
+0, 504, 504, 504, 1008, 0x081be750
+0, 1008, 1008, 504, 1008, 0x3ae9fbfc
+0, 1512, 1512, 504, 1008, 0x5876f043
+0, 2016, 2016, 504, 1008, 0x9d451779
+0, 2520, 2520, 504, 1008, 0xabf514ab
+0, 3024, 3024, 504, 1008, 0x66b00a87
+0, 3528, 3528, 504, 1008, 0xfc6dfeba
+0, 4032, 4032, 504, 1008, 0x50c90d39
+0, 4536, 4536, 504, 1008, 0x302ff3f2
+0, 5040, 5040, 504, 1008, 0x9c6de6c6
+0, 5544, 5544, 504, 1008, 0x50aac56a
+0, 6048, 6048, 504, 1008, 0x3211f67b
+0, 6552, 6552, 504, 1008, 0xf412f994
+0, 7056, 7056, 504, 1008, 0xdcdd11ce
+0, 7560, 7560, 504, 1008, 0xed11e0cf
+0, 8064, 8064, 504, 1008, 0x844ef4c8
+0, 8568, 8568, 504, 1008, 0x0b13f41d
+0, 9072, 9072, 504, 1008, 0xde81133d
+0, 9576, 9576, 504, 1008, 0xefaafe3f
+0, 10080, 10080, 504, 1008, 0xad7fe0ed
+0, 10584, 10584, 504, 1008, 0x0bf1f2b3
+0, 11088, 11088, 504, 1008, 0xe064fa35
+0, 11592, 11592, 504, 1008, 0xd90decce
+0, 12096, 12096, 504, 1008, 0x5817120e
+0, 12600, 12600, 504, 1008, 0xd904f0a2
+0, 13104, 13104, 504, 1008, 0xe9f1f201
+0, 13608, 13608, 504, 1008, 0x577d1f7c
+0, 14112, 14112, 504, 1008, 0x59f414f4
+0, 14616, 14616, 504, 1008, 0xe2241468
+0, 15120, 15120, 504, 1008, 0xc8aef989
+0, 15624, 15624, 504, 1008, 0xb61e09d3
+0, 16128, 16128, 504, 1008, 0xc065c80d
+0, 16632, 16632, 504, 1008, 0xa171f7a4
+0, 17136, 17136, 504, 1008, 0x95b4e9e3
+0, 17640, 17640, 504, 1008, 0xae23fe53
+0, 18144, 18144, 504, 1008, 0x28bef0dc
+0, 18648, 18648, 504, 1008, 0x2db67d74
+0, 19152, 19152, 504, 1008, 0x15b3c343
+0, 19656, 19656, 504, 1008, 0xb72de97b
+0, 20160, 20160, 504, 1008, 0xc263e985
diff --git a/tests/ref/fate/sanyo-5bit b/tests/ref/fate/sanyo-5bit
new file mode 100644
index 0000000000..c842d1684c
--- /dev/null
+++ b/tests/ref/fate/sanyo-5bit
@@ -0,0 +1,57 @@
+#tb 0: 1/8000
+#media_type 0: audio
+#codec_id 0: pcm_s16le
+#sample_rate 0: 8000
+#channel_layout_name 0: mono
+0, 0, 0, 403, 806, 0x00000000
+0, 403, 403, 403, 806, 0xdbdb2949
+0, 806, 806, 403, 806, 0x1bea8557
+0, 1209, 1209, 403, 806, 0x53179f26
+0, 1612, 1612, 403, 806, 0x43508ae1
+0, 2015, 2015, 403, 806, 0xab66a5fe
+0, 2418, 2418, 403, 806, 0x1752947b
+0, 2821, 2821, 403, 806, 0x4bc7ba09
+0, 3224, 3224, 403, 806, 0x0e8a82fd
+0, 3627, 3627, 403, 806, 0xd9cca62d
+0, 4030, 4030, 403, 806, 0xefc07dd9
+0, 4433, 4433, 403, 806, 0x57028697
+0, 4836, 4836, 403, 806, 0x6ba48daf
+0, 5239, 5239, 403, 806, 0x73229202
+0, 5642, 5642, 403, 806, 0xaaa2a29f
+0, 6045, 6045, 403, 806, 0x919c879a
+0, 6448, 6448, 403, 806, 0x49476e74
+0, 6851, 6851, 403, 806, 0x7ceaa4be
+0, 7254, 7254, 403, 806, 0x816ea842
+0, 7657, 7657, 403, 806, 0xda3b9271
+0, 8060, 8060, 403, 806, 0x2d8ab50b
+0, 8463, 8463, 403, 806, 0x89539a5c
+0, 8866, 8866, 403, 806, 0xdd018442
+0, 9269, 9269, 403, 806, 0x28d08ee1
+0, 9672, 9672, 403, 806, 0x3556b32c
+0, 10075, 10075, 403, 806, 0x148287f0
+0, 10478, 10478, 403, 806, 0xd0e188fc
+0, 10881, 10881, 403, 806, 0xbaae7f26
+0, 11284, 11284, 403, 806, 0xf6e48696
+0, 11687, 11687, 403, 806, 0x720b80d3
+0, 12090, 12090, 403, 806, 0xe7249e86
+0, 12493, 12493, 403, 806, 0xdc00a8d0
+0, 12896, 12896, 403, 806, 0x016e9187
+0, 13299, 13299, 403, 806, 0x762e93ab
+0, 13702, 13702, 403, 806, 0xb8098d29
+0, 14105, 14105, 403, 806, 0x69bcbaa4
+0, 14508, 14508, 403, 806, 0xce90b32f
+0, 14911, 14911, 403, 806, 0x962da543
+0, 15314, 15314, 403, 806, 0x18468c64
+0, 15717, 15717, 403, 806, 0x85a58af1
+0, 16120, 16120, 403, 806, 0xd71eb37c
+0, 16523, 16523, 403, 806, 0x4c0e7d2c
+0, 16926, 16926, 403, 806, 0x8d7294e7
+0, 17329, 17329, 403, 806, 0x3c9f9edc
+0, 17732, 17732, 403, 806, 0xad7e7c70
+0, 18135, 18135, 403, 806, 0x5bfdab2b
+0, 18538, 18538, 403, 806, 0xda3782f5
+0, 18941, 18941, 403, 806, 0xaeb8e751
+0, 19344, 19344, 403, 806, 0x2fc320cf
+0, 19747, 19747, 403, 806, 0x30e720c6
+0, 20150, 20150, 403, 806, 0x1d8f20c8
+0, 20553, 20553, 403, 806, 0x2fc920cd
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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2025-06-25 8:02 [FFmpeg-devel] [PATCH 1/2] avcodec/adpcm: Sanyo LD-ADPCM decoder Peter Ross
2025-06-25 8:03 ` [FFmpeg-devel] [PATCH 2/2] tests/fate: Sanyo LD-ADPCM test case Peter Ross
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