February 2018 - ffmpeg-cvslog

[ffmpeg-web] branch master updated. 12b108a web/download: add 3.0.11
by ffmpeg-git＠ffmpeg.org 27 Feb '18

27 Feb '18

The branch, master has been updated via 12b108af14de44abcae20908c0fc04ef132cde73 (commit) via fa818fea531d5eaeb586a5bcf64d0327a9d3e724 (commit) from 4ee8d5d5a42fc942f3e0dbc85557074117ab4ab1 (commit) - Log ----------------------------------------------------------------- commit 12b108af14de44abcae20908c0fc04ef132cde73 Author: Michael Niedermayer <michael(a)niedermayer.cc> AuthorDate: Tue Feb 27 23:41:18 2018 +0100 Commit: Michael Niedermayer <michael(a)niedermayer.cc> CommitDate: Tue Feb 27 23:41:18 2018 +0100 web/download: add 3.0.11 diff --git a/src/download b/src/download index 93e6e1a..6783c35 100644 --- a/src/download +++ b/src/download @@ -386,10 +386,10 @@ libpostproc 54. 1.100</pre> </div>  </div>  - <h3 id="release_3.0">FFmpeg 3.0.10 "Einstein"</h3> + <h3 id="release_3.0">FFmpeg 3.0.11 "Einstein"</h3> <p> - 3.0.10 was released on 2017-12-01. It is the latest stable FFmpeg release + 3.0.11 was released on 2018-02-27. It is the latest stable FFmpeg release from the 3.0 release branch, which was cut from master on 2016-02-14. </p> <p>It includes the following library versions: @@ -407,19 +407,19 @@ libpostproc 54. 0.100</pre> <div class="row"> <div class="col-md-3"> - <a class="btn btn-success" href="releases/ffmpeg-3.0.10.tar.xz">Download xz tarball</a> - <small><a href="releases/ffmpeg-3.0.10.tar.xz.asc">PGP signature</a></small> + <a class="btn btn-success" href="releases/ffmpeg-3.0.11.tar.xz">Download xz tarball</a> + <small><a href="releases/ffmpeg-3.0.11.tar.xz.asc">PGP signature</a></small> </div>  <div class="col-md-3"> - <a class="btn btn-success" href="releases/ffmpeg-3.0.10.tar.bz2">Download bzip2 tarball</a> - <small><a href="releases/ffmpeg-3.0.10.tar.bz2.asc">PGP signature</a></small> + <a class="btn btn-success" href="releases/ffmpeg-3.0.11.tar.bz2">Download bzip2 tarball</a> + <small><a href="releases/ffmpeg-3.0.11.tar.bz2.asc">PGP signature</a></small> </div>  <div class="col-md-3"> - <a class="btn btn-success" href="releases/ffmpeg-3.0.10.tar.gz">Download gzip tarball</a> - <small><a href="releases/ffmpeg-3.0.10.tar.gz.asc">PGP signature</a></small> + <a class="btn btn-success" href="releases/ffmpeg-3.0.11.tar.gz">Download gzip tarball</a> + <small><a href="releases/ffmpeg-3.0.11.tar.gz.asc">PGP signature</a></small> </div>  <div class="col-md-3 text-right"> - <small><a href="https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n3.0.10">Changelog</a></small> + <small><a href="https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n3.0.11">Changelog</a></small> <a class="btn btn-success" href="https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/refs/heads/release/3.0:/RELEA…">Release Notes</a> </div>  </div>  commit fa818fea531d5eaeb586a5bcf64d0327a9d3e724 Author: Michael Niedermayer <michael(a)niedermayer.cc> AuthorDate: Mon Feb 19 02:36:19 2018 +0100 Commit: Michael Niedermayer <michael(a)niedermayer.cc> CommitDate: Mon Feb 19 02:38:07 2018 +0100 web/(old)download: Move 3.1 to olddownloads No currently maintained distro or app uses 3.1 on https://trac.ffmpeg.org/wiki/Downstreams so it would help noone if we continue maintaining 3.1.* diff --git a/src/download b/src/download index 737b880..93e6e1a 100644 --- a/src/download +++ b/src/download @@ -386,45 +386,6 @@ libpostproc 54. 1.100</pre> </div>  </div>  - <h3 id="release_3.1">FFmpeg 3.1.11 "Laplace"</h3> - - <p> - 3.1.11 was released on 2017-09-25. It is the latest stable FFmpeg release - from the 3.1 release branch, which was cut from master on 2016-06-26. - </p> - <p>It includes the following library versions: - </p> - <pre> -libavutil 55. 28.100 -libavcodec 57. 48.101 -libavformat 57. 41.100 -libavdevice 57. 0.101 -libavfilter 6. 47.100 -libavresample 3. 0. 0 -libswscale 4. 1.100 -libswresample 2. 1.100 -libpostproc 54. 0.100</pre> - - <div class="row"> - <div class="col-md-3"> - <a class="btn btn-success" href="releases/ffmpeg-3.1.11.tar.xz">Download xz tarball</a> - <small><a href="releases/ffmpeg-3.1.11.tar.xz.asc">PGP signature</a></small> - </div>  - <div class="col-md-3"> - <a class="btn btn-success" href="releases/ffmpeg-3.1.11.tar.bz2">Download bzip2 tarball</a> - <small><a href="releases/ffmpeg-3.1.11.tar.bz2.asc">PGP signature</a></small> - </div>  - <div class="col-md-3"> - <a class="btn btn-success" href="releases/ffmpeg-3.1.11.tar.gz">Download gzip tarball</a> - <small><a href="releases/ffmpeg-3.1.11.tar.gz.asc">PGP signature</a></small> - </div>  - <div class="col-md-3 text-right"> - <small><a href="https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n3.1.11">Changelog</a></small> - <a class="btn btn-success" href="https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/refs/heads/release/3.1:/RELEA…">Release Notes</a> - </div>  - </div>  - - <h3 id="release_3.0">FFmpeg 3.0.10 "Einstein"</h3> <p> diff --git a/src/olddownload b/src/olddownload index d380b2f..cc3c9ae 100644 --- a/src/olddownload +++ b/src/olddownload @@ -6,6 +6,45 @@ maintaining an old release. </div> + <h3 id="release_3.1">FFmpeg 3.1.11 "Laplace"</h3> + + <p> + 3.1.11 was released on 2017-09-25. It is the latest stable FFmpeg release + from the 3.1 release branch, which was cut from master on 2016-06-26. + </p> + <p>It includes the following library versions: + </p> + <pre> +libavutil 55. 28.100 +libavcodec 57. 48.101 +libavformat 57. 41.100 +libavdevice 57. 0.101 +libavfilter 6. 47.100 +libavresample 3. 0. 0 +libswscale 4. 1.100 +libswresample 2. 1.100 +libpostproc 54. 0.100</pre> + + <div class="row"> + <div class="col-md-3"> + <a class="btn btn-success" href="releases/ffmpeg-3.1.11.tar.xz">Download xz tarball</a> + <small><a href="releases/ffmpeg-3.1.11.tar.xz.asc">PGP signature</a></small> + </div>  + <div class="col-md-3"> + <a class="btn btn-success" href="releases/ffmpeg-3.1.11.tar.bz2">Download bzip2 tarball</a> + <small><a href="releases/ffmpeg-3.1.11.tar.bz2.asc">PGP signature</a></small> + </div>  + <div class="col-md-3"> + <a class="btn btn-success" href="releases/ffmpeg-3.1.11.tar.gz">Download gzip tarball</a> + <small><a href="releases/ffmpeg-3.1.11.tar.gz.asc">PGP signature</a></small> + </div>  + <div class="col-md-3 text-right"> + <small><a href="https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n3.1.11">Changelog</a></small> + <a class="btn btn-success" href="https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/refs/heads/release/3.1:/RELEA…">Release Notes</a> + </div>  + </div>  + + <h3 id="release_2.7">FFmpeg 2.7.7 "Nash"</h3> <p> ----------------------------------------------------------------------- Summary of changes: src/download | 57 +++++++++------------------------------------------------ src/olddownload | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 48 deletions(-) hooks/post-receive --

1 0

Tag n3.0.11 : FFmpeg 3.0.11 release
by git＠videolan.org 27 Feb '18

27 Feb '18

[ffmpeg] [branch: refs/tags/n3.0.11] Tag: c84fbc3085b6270d485a8d5e76757da2837d05ed > http://git.videolan.org/gitweb.cgi/ffmpeg.git?a=tag;h=c84fbc3085b6270d485a8… Tagger: Michael Niedermayer <michael(a)niedermayer.cc> Date: Tue Feb 27 22:37:00 2018 +0100 FFmpeg 3.0.11 release

1 0

Changelog: update
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Tue Feb 27 20:00:58 2018 +0100| [b910b34926657531d84269bd7c61fb8c74e5d905] | committer: Michael Niedermayer Changelog: update Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b910b34926657531d… --- Changelog | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Changelog b/Changelog index f10fc09633..a3bf744044 100644 --- a/Changelog +++ b/Changelog @@ -2,6 +2,17 @@ Entries are sorted chronologically from oldest to youngest within each release, releases are sorted from youngest to oldest. version 3.0.11 +- avcodec/bintext: sanity check dimensions +- avcodec/utvideodec: Check subsample factors +- avcodec/smc: Check input packet size +- avcodec/cavsdec: Check alpha/beta offset +- avcodec/diracdec: Fix integer overflow in mv computation +- avcodec/aacdec_templat: Fix integer overflow in apply_ltp() +- avcodec/jpeg2000dwt: Fix integer overflows in sr_1d53() +- avcodec/diracdec: Use int64 in global mv to prevent overflow +- avcodec/dxtory: Remove code that corrupts dimensions +- avformat/hvcc: zero initialize the nal buffers past the last written byte +- swresample/rematrix: fix update of channel matrix if input or output layout is undefined - avcodec/dirac_dwt_template: Fix Integer overflow in horizontal_compose_dd137i() - avcodec/vp8: Check for bitstream end before vp7_fade_frame() - avcodec/exr: Check remaining bits in last get code loop

1 0

avcodec/bintext: sanity check dimensions
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Mon Feb 26 21:17:08 2018 +0100| [add3c2468e960767c7fc7232ab8a492f8c55e65b] | committer: Michael Niedermayer avcodec/bintext: sanity check dimensions Fixes: Timeout Fixes: 6277/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XBIN_fuzzer-6047202288861184 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> (cherry picked from commit 090c0abff9c8b27304614f15d9464dbf4ea59833) Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=add3c2468e960767c… --- libavcodec/bintext.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libavcodec/bintext.c b/libavcodec/bintext.c index 90bbe67b59..d967317671 100644 --- a/libavcodec/bintext.c +++ b/libavcodec/bintext.c @@ -35,6 +35,8 @@ #include "bintext.h" #include "internal.h" +#define FONT_WIDTH 8 + typedef struct XbinContext { AVFrame *frame; int palette[16]; @@ -91,6 +93,9 @@ static av_cold int decode_init(AVCodecContext *avctx) break; } } + if (avctx->width < FONT_WIDTH || avctx->height < s->font_height) + return AVERROR_INVALIDDATA; + s->frame = av_frame_alloc(); if (!s->frame) @@ -113,8 +118,6 @@ av_unused static void hscroll(AVCodecContext *avctx) } } -#define FONT_WIDTH 8 - /** * Draw character to screen */

1 0

avcodec/utvideodec: Check subsample factors
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Mon Feb 26 03:02:48 2018 +0100| [fbf690d79a611a8dd9df1bce4189e5bf9c05508a] | committer: Michael Niedermayer avcodec/utvideodec: Check subsample factors Fixes: Out of array read Fixes: heap_poc Found-by: GwanYeong Kim <gy741.kim(a)gmail.com> Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> (cherry picked from commit 7414d0bda7763f9bd69c26c068e482ab297c1c96) Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fbf690d79a611a8dd… --- libavcodec/utvideodec.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c index 760d9e5a7f..160528e007 100644 --- a/libavcodec/utvideodec.c +++ b/libavcodec/utvideodec.c @@ -28,6 +28,7 @@ #include <stdlib.h> #include "libavutil/intreadwrite.h" +#include "libavutil/pixdesc.h" #include "avcodec.h" #include "bswapdsp.h" #include "bytestream.h" @@ -474,6 +475,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, static av_cold int decode_init(AVCodecContext *avctx) { UtvideoContext * const c = avctx->priv_data; + int h_shift, v_shift; c->avctx = avctx; @@ -538,6 +540,13 @@ static av_cold int decode_init(AVCodecContext *avctx) return AVERROR_INVALIDDATA; } + av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &h_shift, &v_shift); + if ((avctx->width & ((1<<h_shift)-1)) || + (avctx->height & ((1<<v_shift)-1))) { + avpriv_request_sample(avctx, "Odd dimensions"); + return AVERROR_PATCHWELCOME; + } + return 0; }

1 0

avcodec/smc: Check input packet size
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Fri Feb 23 03:40:02 2018 +0100| [789a12b140ba2426a1c9bb9ce31a7a4f50d0216a] | committer: Michael Niedermayer avcodec/smc: Check input packet size Fixes: Timeout Fixes: 6261/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMC_fuzzer-5811309653262336 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> (cherry picked from commit 0293663483ab5dbfff23602a62800d84e021b33c) Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=789a12b140ba2426a… --- libavcodec/smc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/smc.c b/libavcodec/smc.c index 18174fa57e..66de691e2c 100644 --- a/libavcodec/smc.c +++ b/libavcodec/smc.c @@ -437,6 +437,10 @@ static int smc_decode_frame(AVCodecContext *avctx, SmcContext *s = avctx->priv_data; const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL); int ret; + int total_blocks = ((s->avctx->width + 3) / 4) * ((s->avctx->height + 3) / 4); + + if (total_blocks / 1024 > avpkt->size) + return AVERROR_INVALIDDATA; bytestream2_init(&s->gb, buf, buf_size);

1 0

avcodec/cavsdec: Check alpha/beta offset
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Tue Feb 20 23:11:01 2018 +0100| [24a3c45da511c58f550f33db507c3fda50e496af] | committer: Michael Niedermayer avcodec/cavsdec: Check alpha/beta offset Fixes: Integer overflow Fixes: 6183/clusterfuzz-testcase-minimized-6269224436629504 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> (cherry picked from commit ae2eb04648839bfc6c61c32cb0f124e91bb7ff8e) Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=24a3c45da511c58f5… --- libavcodec/cavsdec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c index cd4eec9caf..b7aeb45603 100644 --- a/libavcodec/cavsdec.c +++ b/libavcodec/cavsdec.c @@ -1067,6 +1067,11 @@ static int decode_pic(AVSContext *h) if (!h->loop_filter_disable && get_bits1(&h->gb)) { h->alpha_offset = get_se_golomb(&h->gb); h->beta_offset = get_se_golomb(&h->gb); + if ( h->alpha_offset < -64 || h->alpha_offset > 64 + || h-> beta_offset < -64 || h-> beta_offset > 64) { + h->alpha_offset = h->beta_offset = 0; + return AVERROR_INVALIDDATA; + } } else { h->alpha_offset = h->beta_offset = 0; }

1 0

avcodec/diracdec: Fix integer overflow in mv computation
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Sun Feb 18 21:51:38 2018 +0100| [6822bd50c1eaa385b202ba692d954e1fb2a97fc3] | committer: Michael Niedermayer avcodec/diracdec: Fix integer overflow in mv computation Fixes: signed integer overflow: -2072 + -2147483646 cannot be represented in type 'int' Fixes: 6097/clusterfuzz-testcase-minimized-5034145253163008 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> (cherry picked from commit 47e65ad63b3d067445c4de41a7718b83fc07767c) Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6822bd50c1eaa385b… --- libavcodec/diracdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index 033fbe4261..da5240a135 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -1353,8 +1353,8 @@ static void decode_block_params(DiracContext *s, DiracArith arith[8], DiracBlock global_mv(s, block, x, y, i); } else { pred_mv(block, stride, x, y, i); - block->u.mv[i][0] += dirac_get_arith_int(arith + 4 + 2 * i, CTX_MV_F1, CTX_MV_DATA); - block->u.mv[i][1] += dirac_get_arith_int(arith + 5 + 2 * i, CTX_MV_F1, CTX_MV_DATA); + block->u.mv[i][0] += (unsigned)dirac_get_arith_int(arith + 4 + 2 * i, CTX_MV_F1, CTX_MV_DATA); + block->u.mv[i][1] += (unsigned)dirac_get_arith_int(arith + 5 + 2 * i, CTX_MV_F1, CTX_MV_DATA); } } }

1 0

avcodec/aacdec_templat: Fix integer overflow in apply_ltp()
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Sun Feb 18 16:55:52 2018 +0100| [6648d3fef6b07f3ec0b60ec4b5ec08aa5e1964ca] | committer: Michael Niedermayer avcodec/aacdec_templat: Fix integer overflow in apply_ltp() Fixes: signed integer overflow: -1625276744 + -1041893960 cannot be represented in type 'int' Fixes: 5948/clusterfuzz-testcase-minimized-5791479856365568 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> (cherry picked from commit 33fe17bdc88d51a8e0c87aa1e8011aaaf38a7a90) Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6648d3fef6b07f3ec… --- libavcodec/aacdec_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c index 3cb8f32403..f21d215c9e 100644 --- a/libavcodec/aacdec_template.c +++ b/libavcodec/aacdec_template.c @@ -2496,7 +2496,7 @@ static void apply_ltp(AACContext *ac, SingleChannelElement *sce) for (sfb = 0; sfb < FFMIN(sce->ics.max_sfb, MAX_LTP_LONG_SFB); sfb++) if (ltp->used[sfb]) for (i = offsets[sfb]; i < offsets[sfb + 1]; i++) - sce->coeffs[i] += predFreq[i]; + sce->coeffs[i] += (UINTFLOAT)predFreq[i]; } }

1 0

avcodec/jpeg2000dwt: Fix integer overflows in sr_1d53()
by Michael Niedermayer 27 Feb '18

27 Feb '18

ffmpeg | branch: release/3.0 | Michael Niedermayer <michael(a)niedermayer.cc> | Sun Feb 18 00:11:33 2018 +0100| [afc85dacba4be4b91e2e1ca5df31f55fb94b44d6] | committer: Michael Niedermayer avcodec/jpeg2000dwt: Fix integer overflows in sr_1d53() Fixes: 5918/clusterfuzz-testcase-minimized-5120505435652096 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> (cherry picked from commit 793347a54579ee954b58d336b82eed4a1786de21) Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=afc85dacba4be4b91… --- libavcodec/jpeg2000dwt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/jpeg2000dwt.c b/libavcodec/jpeg2000dwt.c index 38a578af3d..5a72335d91 100644 --- a/libavcodec/jpeg2000dwt.c +++ b/libavcodec/jpeg2000dwt.c @@ -305,22 +305,22 @@ static void dwt_encode97_int(DWTContext *s, int *t) t[i] = (t[i] + ((1<<I_PRESHIFT)>>1)) >> I_PRESHIFT; } -static void sr_1d53(int *p, int i0, int i1) +static void sr_1d53(unsigned *p, int i0, int i1) { int i; if (i1 <= i0 + 1) { if (i0 == 1) - p[1] >>= 1; + p[1] = (int)p[1] >> 1; return; } extend53(p, i0, i1); for (i = (i0 >> 1); i < (i1 >> 1) + 1; i++) - p[2 * i] -= (p[2 * i - 1] + p[2 * i + 1] + 2) >> 2; + p[2 * i] -= (int)(p[2 * i - 1] + p[2 * i + 1] + 2) >> 2; for (i = (i0 >> 1); i < (i1 >> 1); i++) - p[2 * i + 1] += (p[2 * i] + p[2 * i + 2]) >> 1; + p[2 * i + 1] += (int)(p[2 * i] + p[2 * i + 2]) >> 1; } static void dwt_decode53(DWTContext *s, int *t)

1 0