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Commit Graph

373 Commits

Author SHA1 Message Date
Zane van Iperen
c012f9b265
avcodec/adpcm: refactor init/flush code
Most of the codecs just need everything zeroed. Those that don't
are either handled inline during decode, or pull state from
extradata.

Move state reset/init functionality into adpcm_flush(), and
invoke it from adpcm_decode_init().

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-04-10 14:42:18 +10:00
Zane van Iperen
e550667f61
avcodec/adpcm_ima_cunning: reset state on flush
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-25 12:51:09 +10:00
Zane van Iperen
257d9f91fc
avcodec/adpcm_ima_alp: reset state on flush
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-25 12:51:09 +10:00
Zane van Iperen
ff7bbd6d88
avcodec/adpcm_ima_ssi: reset state on flush
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-25 12:51:09 +10:00
Zane van Iperen
660c14a9b9
avcodec/adpcm_argo: reset state on flush
Commit 003b5c800f introduced seeking in argo_asf,
but this was missed, leading to non-deterministic output.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-25 12:51:08 +10:00
Zane van Iperen
efb58ec8f9
avcodec/adpcm_aica: reset state in flush callback
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-25 12:51:08 +10:00
Zane van Iperen
95280cf3e7
avcodec/adpcm_zork: reset state in flush callback
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-25 12:51:08 +10:00
Zane van Iperen
55a50885b9
avcodec/adpcm: add comment to has_status field
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-25 12:51:01 +10:00
Zane van Iperen
d294c33231
avcodec/adpcm_ima_cunning: reindent
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-19 23:38:33 +10:00
Zane van Iperen
684745230f
avcodec/adpcm_ima_cunning: support stereo
Changes the sample format to S16P, but was only ever mono so it
affects nothing.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-03-19 23:38:25 +10:00
Andreas Rheinhardt
87a5d9821f avcodec/adpcm: Mark decoders as init-threadsafe
They don't modify any global state

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-12-04 15:46:46 +01:00
Zane van Iperen
8903cb3c15
avcodec/adpcm_ima_amv: document header format
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-11-09 14:58:37 +10:00
Zane van Iperen
50d3a751aa
avcodec/adpcm_ima_amv: use coded sample count
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-11-09 14:58:37 +10:00
Zane van Iperen
d6912294d3
avcodec/adpcm_ima_amv: restrict to 1 channel
The format doesn't allow for anything else.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-11-09 14:58:30 +10:00
Zane van Iperen
45d45c8ec5
Revert "avcodec/adpcm_swf: support decoding multiple fixed-sized blocks at once"
Is incorrect behaviour. Was covering for an encoder bug where it produced frames
of the wrong size.

This reverts commit e9dd73d30d.

Fixes: out of array write
Fixes: 26821/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_SWF_fuzzer-5764465137811456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-11-07 23:43:02 +10:00
Zane van Iperen
e9dd73d30d
avcodec/adpcm_swf: support decoding multiple fixed-sized blocks at once
For incoming packets from WAV.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-10-21 11:23:26 +10:00
Michael Niedermayer
4ebe40ef64 avcodec/adpcm: Check channels before use for ADPCM_PSX
Fixes: division by zero
Fixes: 26293/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_PSX_fuzzer-5176665237618688
Fixes: 26331/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_PSX_fuzzer-5632330364092416

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-10-20 15:33:13 +02:00
Carl Eugen Hoyos
86f0bba776 lavc, lavf: Remove newlines from calls to avpriv_request_sample(). 2020-10-11 19:59:24 +02:00
Michael Niedermayer
991246657b avcodec/adpcm: Check block align for AV_CODEC_ID_ADPCM_PSX
Regression since: ca49476ace
Fixes: out of array write
Fixes: 25786/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_PSX_fuzzer-5704869380620288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-10-11 16:42:49 +02:00
Zane van Iperen
bb021be31c
avcodec/adpcm_{psx,argo}: add missing indent
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-09-19 15:34:31 +10:00
Zane van Iperen
9eabe9c4b5
avcodec/adpcm_argo: support decoding multiple frames
Increases decode speed significantly.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-09-19 15:34:25 +10:00
Paul B Mahol
ca49476ace avcodec/adpcm: take into account block_align when decoding ADPCM_PSX
Should reduce decoding overhead.
2020-09-12 14:52:31 +02:00
Paul B Mahol
a1caa16d45 avcodec: add ADPCM IMA MOFLEX decoder 2020-09-03 18:06:50 +02:00
Zane van Iperen
5d1e1dd6bd
avcodec/adpcm_argo: add ff_adpcm_argo_expand_nibble() and cleanup parameters
Replaces adpcm_argo_expand_nibble(). Preparation for the encoder.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-08-07 23:04:25 +10:00
Zane van Iperen
fa7ad81dab
avcodec/adpcm_argo: fix incorrect documentation
Flag bit was in the wrong place.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-08-04 18:01:00 +10:00
Zane van Iperen
b35968e060 avcodec/adpcm_ima_apm: support new extradata format
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-06-26 21:47:13 +02:00
Michael Niedermayer
6d96bae9c4 avcodec/adpcm: XA: Check shift similar to filter
Fixes: negative shift
Fixes: 22499/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_XA_fuzzer-5765452130418688

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-06-07 22:01:12 +02:00
Michael Niedermayer
b12b05374f avcodec/adpcm: Fix integer overflow in ADPCM THP
The reference (thp.txt) uses floats so wrap around would seem incorrect.

Fixes: signed integer overflow: 1073741824 + 1073741824 cannot be represented in type 'int'
Fixes: 20658/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_THP_fuzzer-5646302555930624

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-13 09:03:45 +02:00
Michael Niedermayer
8ee264e684 avcodec/adpcm: Clip predictor for IMA_APM
Fixes: signed integer overflow: -2147483647 - 61436 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_APM_fuzzer-5092176004644864

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-11 00:45:09 +02:00
Zane van Iperen
3e22e738c0 avcodec: add support for Cunning Developments' ADPCM
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-04-24 19:43:04 +02:00
Zane van Iperen
0bce55ac89 avcodec/adpcm: update get_nb_samples() doc
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-04-20 20:03:00 +02:00
Zane van Iperen
7150123aab avcodec/adpcm_ima_{apc, ssi, oki}: replace while() with for()
Per discussion at https://ffmpeg.org/pipermail/ffmpeg-devel/2020-April/260854.html

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-04-20 20:03:00 +02:00
Zane van Iperen
67c4405fac avcodec/adpcm: remove unused shift parameter from adpcm_ima_qt_expand_nibble()
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-04-11 17:01:18 +02:00
Paul B Mahol
230703a9fa avcodec: add ADPCM IMA MTF decoder 2020-03-17 16:03:39 +01:00
Michael Niedermayer
0a11ef68f0 avcodec/adpcm: Fix invalid shift in AV_CODEC_ID_ADPCM_PSX
Fixes: left shift of negative value -1
Fixes: 20859/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_PSX_fuzzer-5720391507247104

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-03-11 23:57:04 +01:00
Zane van Iperen
d90413e1e5 avcodec: add decoder for High Voltage Software's ALP ADPCM
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-03-09 01:43:51 +01:00
Michael Niedermayer
ac73879f1b avcodec/adpcm: Clip step index for ADPCM_IMA_APM
Fixes: out of array access
Fixes: 20828/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_APM_fuzzer-5712770106654720

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-03-02 23:39:06 +01:00
Paul B Mahol
553d836d62 avcodec/adpcm: cosmetics; reindent 2020-02-21 14:47:29 +01:00
Zane van Iperen
af65357207 avcodec: add decoder for Rayman 2's ADPCM variant
Adds support for the ADPCM variant used in Rayman 2's files.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-02-21 14:46:19 +01:00
Paul B Mahol
dfb0b9370d avcodec: fix pcm zork decoder
Fixes #1939
2020-02-16 12:54:57 +01:00
Zane van Iperen
5d038a86d6 avcodec: add decoder for Simon & Schuster Interactive's ADPCM variant
Adds support for the ADPCM variant used by some Simon & Schuster
Interactive games such as Real War, and Real War: Rogue States.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-02-06 17:26:22 +01:00
Zane van Iperen
b49404ea30 avcodec/adpcm_argo: simplify and move duplicated logic into a function
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-02-02 17:09:14 +01:00
Zane van Iperen
bf890ae0d7 avcodec: add decoder for argonaut games' adpcm codec
Adds support for the ADPCM variant used by some Argonaut Games' games,
such as 'Croc! Legend of the Gobbos', and 'Croc 2'.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2020-01-26 10:23:54 +01:00
Andreas Rheinhardt
3ad8af51b7 avcodec/adpcm: Fix undefined left shifts of negative numbers
Affected the adpcm-afc, adpcm-ea-1, adpcm-ea-2, adpcm-ea-maxis-xa,
adpcm-thp and ea-cdata FATE-tests. Also fixes ticket #8487.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-21 10:01:46 +01:00
Michael Niedermayer
794352ae9d avcodec/adpcm: Fix overflow in FFABS() IMA_EA_EACS
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 19235/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5680878952382464

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-11 23:31:18 +01:00
Michael Niedermayer
9fe07908c3 avcodec/adpcm: Clip predictor for APC
Fixes: signed integer overflow: -2147483648 - 13 cannot be represented in type 'int'
Fixes: 18893/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_APC_fuzzer-5630760442920960

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-12-15 01:01:22 +01:00
Michael Niedermayer
50db30b47d avcodec/adpcm: Fix invalid shift in xa_decode()
Fixes: left shift of negative value -1
Fixes: 18859/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_XA_fuzzer-5748474213040128

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-12-15 01:01:22 +01:00
Michael Niedermayer
7786f6c30e avcodec/adpcm: Fix undefined behavior with negative predictions in IMA OKI
Fixes: left shift of negative value -30
Fixes: 18392/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_OKI_fuzzer-5631771831435264

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-09 18:03:37 +01:00
Michael Niedermayer
34e701ff93 avcodec/adpcm: Fix invalid shifts in ADPCM DTK
Fixes: left shift of negative value -1
Fixes: 18397/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_DTK_fuzzer-5675653487132672

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-10-29 16:20:33 +01:00
Michael Niedermayer
2f66e8436d avcodec/adpcm: Check initial predictor for ADPCM_IMA_EA_EACS
Fixes: signed integer overflow: -2147483360 - 631 cannot be represented in type 'int'
Fixes: 17701/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5711517319692288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-10-16 19:17:57 +02:00