[FFmpeg-cvslog] avcodec/exr: preserve half-float NaN bits and add fate test
ffmpeg | branch: master | Mark Reid | Sun Nov 22 20:32:15
2020 -0800| [8d19b3c4a5176c181dc1751e08834193b549162c] | committer: Paul B Mahol
avcodec/exr: preserve half-float NaN bits and add fate test
Handles NaNs more like the official implementation handles them, preserving
the original bits.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d19b3c4a5176c181dc1751e08834193b549162c
---
libavcodec/exr.c| 3 +--
tests/fate/image.mak| 2 ++
tests/ref/fate/exr-rgb-scanline-zip-half-0x0-0x | 6 ++
3 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index d233dd43fb..6e6ce4275c 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -193,8 +193,7 @@ static union av_intfloat32 exr_half2float(uint16_t hf)
// half-float NaNs will be converted to a single precision NaN
// half-float Infs will be converted to a single precision Inf
exp = FLOAT_MAX_BIASED_EXP;
-if (mantissa)
-mantissa = (1 << 23) - 1;// set all bits to indicate a NaN
+mantissa <<= 13; // preserve half-float NaN bits if set
} else if (exp == 0x0) {
// convert half-float zero/denorm to single precision value
if (mantissa) {
diff --git a/tests/fate/image.mak b/tests/fate/image.mak
index 22072a62f1..c453f0f79c 100644
--- a/tests/fate/image.mak
+++ b/tests/fate/image.mak
@@ -317,6 +317,8 @@ fate-exr-rgb-scanline-half-zip-dw-outside: CMD = framecrc
-i $(TARGET_SAMPLES)/e
FATE_EXR += fate-exr-rgb-tile-half-zip-dw-outside
fate-exr-rgb-tile-half-zip-dw-outside: CMD = framecrc -i
$(TARGET_SAMPLES)/exr/rgb_tile_half_zip_dw_outside.exr -pix_fmt gbrpf32le
+FATE_EXR += fate-exr-rgb-scanline-zip-half-0x0-0x
+fate-exr-rgb-scanline-zip-half-0x0-0x: CMD = framecrc -i
$(TARGET_SAMPLES)/exr/rgb_scanline_zip_half_float_0x0_to_0x.exr -pix_fmt
gbrpf32le
FATE_EXR-$(call DEMDEC, IMAGE2, EXR) += $(FATE_EXR)
diff --git a/tests/ref/fate/exr-rgb-scanline-zip-half-0x0-0x
b/tests/ref/fate/exr-rgb-scanline-zip-half-0x0-0x
new file mode 100644
index 00..b6201116fe
--- /dev/null
+++ b/tests/ref/fate/exr-rgb-scanline-zip-half-0x0-0x
@@ -0,0 +1,6 @@
+#tb 0: 1/25
+#media_type 0: video
+#codec_id 0: rawvideo
+#dimensions 0: 256x256
+#sar 0: 1/1
+0, 0, 0,1, 786432, 0x1445e411
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[FFmpeg-cvslog] avcodec/vaapi_av1: fill the remaining VAFilmGrainStructAV1 fields
ffmpeg | branch: master | James Almer | Mon Nov 30 13:55:11
2020 -0300| [0e62efad7cd6b1fa07dcb3badb6ab92957a576dc] | committer: James Almer
avcodec/vaapi_av1: fill the remaining VAFilmGrainStructAV1 fields
Signed-off-by: James Almer
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0e62efad7cd6b1fa07dcb3badb6ab92957a576dc
---
libavcodec/vaapi_av1.c | 60 ++
1 file changed, 51 insertions(+), 9 deletions(-)
diff --git a/libavcodec/vaapi_av1.c b/libavcodec/vaapi_av1.c
index 2763c1e866..b76e217daa 100644
--- a/libavcodec/vaapi_av1.c
+++ b/libavcodec/vaapi_av1.c
@@ -115,15 +115,27 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
.temporal_update = frame_header->segmentation_temporal_update,
.update_data = frame_header->segmentation_update_data,
},
-.film_grain_info.film_grain_info_fields.bits = {
-.apply_grain = film_grain->apply_grain,
-.chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma,
-.grain_scaling_minus_8= film_grain->grain_scaling_minus_8,
-.ar_coeff_lag = film_grain->ar_coeff_lag,
-.ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6,
-.grain_scale_shift= film_grain->grain_scale_shift,
-.overlap_flag = film_grain->overlap_flag,
-.clip_to_restricted_range = film_grain->clip_to_restricted_range,
+.film_grain_info = {
+.film_grain_info_fields.bits = {
+.apply_grain = film_grain->apply_grain,
+.chroma_scaling_from_luma =
film_grain->chroma_scaling_from_luma,
+.grain_scaling_minus_8= film_grain->grain_scaling_minus_8,
+.ar_coeff_lag = film_grain->ar_coeff_lag,
+.ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6,
+.grain_scale_shift= film_grain->grain_scale_shift,
+.overlap_flag = film_grain->overlap_flag,
+.clip_to_restricted_range =
film_grain->clip_to_restricted_range,
+},
+.grain_seed= film_grain->grain_seed,
+.num_y_points = film_grain->num_y_points,
+.num_cb_points = film_grain->num_cb_points,
+.num_cr_points = film_grain->num_cr_points,
+.cb_mult = film_grain->cb_mult,
+.cb_luma_mult = film_grain->cb_luma_mult,
+.cb_offset = film_grain->cb_offset,
+.cr_mult = film_grain->cr_mult,
+.cr_luma_mult = film_grain->cr_luma_mult,
+.cr_offset = film_grain->cr_offset,
},
.pic_info_fields.bits = {
.frame_type = frame_header->frame_type,
@@ -203,6 +215,36 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
for (int j = 0; j < 6; j++)
pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j];
}
+if (film_grain->apply_grain) {
+for (int i = 0; i < film_grain->num_y_points; i++) {
+pic_param.film_grain_info.point_y_value[i] =
+film_grain->point_y_value[i];
+pic_param.film_grain_info.point_y_scaling[i] =
+film_grain->point_y_scaling[i];
+}
+for (int i = 0; i < film_grain->num_cb_points; i++) {
+pic_param.film_grain_info.point_cb_value[i] =
+film_grain->point_cb_value[i];
+pic_param.film_grain_info.point_cb_scaling[i] =
+film_grain->point_cb_scaling[i];
+}
+for (int i = 0; i < film_grain->num_cr_points; i++) {
+pic_param.film_grain_info.point_cr_value[i] =
+film_grain->point_cr_value[i];
+pic_param.film_grain_info.point_cr_scaling[i] =
+film_grain->point_cr_scaling[i];
+}
+for (int i = 0; i < 24; i++) {
+pic_param.film_grain_info.ar_coeffs_y[i] =
+film_grain->ar_coeffs_y_plus_128[i] - 128;
+}
+for (int i = 0; i < 25; i++) {
+pic_param.film_grain_info.ar_coeffs_cb[i] =
+film_grain->ar_coeffs_cb_plus_128[i] - 128;
+pic_param.film_grain_info.ar_coeffs_cr[i] =
+film_grain->ar_coeffs_cr_plus_128[i] - 128;
+}
+}
err = ff_vaapi_decode_make_param_buffer(avctx, pic,
VAPictureParameterBufferType,
&pic_param, sizeof(pic_param));
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[FFmpeg-cvslog] avformat/vividas: Make len signed
ffmpeg | branch: master | Michael Niedermayer | Sun
Nov 22 17:24:20 2020 +0100| [b29d351f972f801d0374ca8565cee398b8f69160] |
committer: Michael Niedermayer
avformat/vividas: Make len signed
Fixes: out of array access
Fixes:
27424/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5682070692823040
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b29d351f972f801d0374ca8565cee398b8f69160
---
libavformat/vividas.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavformat/vividas.c b/libavformat/vividas.c
index 46c66bf9a0..4adc125439 100644
--- a/libavformat/vividas.c
+++ b/libavformat/vividas.c
@@ -389,8 +389,8 @@ static int track_header(VividasDemuxContext *viv,
AVFormatContext *s, uint8_t *
ffio_read_varlen(pb); // len_3
num_data = avio_r8(pb);
for (j = 0; j < num_data; j++) {
-uint64_t len = ffio_read_varlen(pb);
-if (len > INT_MAX/2 - xd_size) {
+int64_t len = ffio_read_varlen(pb);
+if (len < 0 || len > INT_MAX/2 - xd_size) {
return AVERROR_INVALIDDATA;
}
data_len[j] = len;
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[FFmpeg-cvslog] avformat/rpl: Check the number of streams
ffmpeg | branch: master | Michael Niedermayer | Wed Dec 9 00:49:29 2020 +0100| [0677bdb1f522d0d25b47bca3d8e09ece83083678] | committer: Michael Niedermayer avformat/rpl: Check the number of streams Fixes: out of memory access Fixes: 27787/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-4743666463408128.fuzz Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0677bdb1f522d0d25b47bca3d8e09ece83083678 --- libavformat/rpl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/rpl.c b/libavformat/rpl.c index c79419d558..b98488c7b1 100644 --- a/libavformat/rpl.c +++ b/libavformat/rpl.c @@ -253,6 +253,9 @@ static int rpl_read_header(AVFormatContext *s) error |= read_line(pb, line, sizeof(line)); } +if (s->nb_streams == 0) +return AVERROR_INVALIDDATA; + rpl->frames_per_chunk = read_line_and_int(pb, &error); // video frames per chunk if (vst && rpl->frames_per_chunk > 1 && vst->codecpar->codec_tag != 124) av_log(s, AV_LOG_WARNING, ___ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-cvslog] avformat/vividas: Check sample_rate
ffmpeg | branch: master | Michael Niedermayer | Tue Nov 10 22:36:25 2020 +0100| [b1bced5433adcf5ad743d929c788b66af9efaf24] | committer: Michael Niedermayer avformat/vividas: Check sample_rate Fixes: Assertion c > 0 failed at libavutil/mathematics.c Fixes: 27001/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5726041328582656 Fixes: 27453/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5716060384526336 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b1bced5433adcf5ad743d929c788b66af9efaf24 --- libavformat/vividas.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/vividas.c b/libavformat/vividas.c index 4adc125439..96e0631b06 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -373,6 +373,8 @@ static int track_header(VividasDemuxContext *viv, AVFormatContext *s, uint8_t * avio_rl16(pb); //codec_subid st->codecpar->channels = avio_rl16(pb); // channels st->codecpar->sample_rate = avio_rl32(pb); // sample_rate +if (st->codecpar->sample_rate <= 0) +return AVERROR_INVALIDDATA; avio_seek(pb, 10, SEEK_CUR); // data_1 q = avio_r8(pb); avio_seek(pb, q, SEEK_CUR); // data_2 ___ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-cvslog] avformat/matroskadec: Sanity check codec_id/track type
ffmpeg | branch: master | Michael Niedermayer | Mon
Dec 7 00:37:25 2020 +0100| [7b88dd8f0cb48b46f3178d274a9117a3d2307f4e] |
committer: Michael Niedermayer
avformat/matroskadec: Sanity check codec_id/track type
Fixes: memleak
Fixes:
27766/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-5198300814508032
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7b88dd8f0cb48b46f3178d274a9117a3d2307f4e
---
libavformat/matroskadec.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 44db2c8358..374831baa3 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2318,6 +2318,15 @@ static int matroska_parse_tracks(AVFormatContext *s)
if (!track->codec_id)
continue;
+if ( track->type == MATROSKA_TRACK_TYPE_AUDIO && track->codec_id[0]
!= 'A'
+|| track->type == MATROSKA_TRACK_TYPE_VIDEO && track->codec_id[0]
!= 'V'
+|| track->type == MATROSKA_TRACK_TYPE_SUBTITLE &&
track->codec_id[0] != 'D' && track->codec_id[0] != 'S'
+|| track->type == MATROSKA_TRACK_TYPE_METADATA &&
track->codec_id[0] != 'D' && track->codec_id[0] != 'S'
+) {
+av_log(matroska->ctx, AV_LOG_INFO, "Inconsistent track type\n");
+continue;
+}
+
if (track->audio.samplerate < 0 || track->audio.samplerate > INT_MAX ||
isnan(track->audio.samplerate)) {
av_log(matroska->ctx, AV_LOG_WARNING,
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[FFmpeg-cvslog] avcodec/cinepak: Mark decoder as init-threadsafe
ffmpeg | branch: master | Andreas Rheinhardt |
Mon Nov 30 14:46:30 2020 +0100| [41519b29facb3727fae1744376ef79bc280c6597] |
committer: Andreas Rheinhardt
avcodec/cinepak: Mark decoder as init-threadsafe
Reviewed-by: Tomas Härdin
Signed-off-by: Andreas Rheinhardt
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=41519b29facb3727fae1744376ef79bc280c6597
---
libavcodec/cinepak.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c
index 9c5b254231..17148a3577 100644
--- a/libavcodec/cinepak.c
+++ b/libavcodec/cinepak.c
@@ -522,4 +522,5 @@ AVCodec ff_cinepak_decoder = {
.close = cinepak_decode_end,
.decode = cinepak_decode_frame,
.capabilities = AV_CODEC_CAP_DR1,
+.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
};
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[FFmpeg-cvslog] avcodec/idcinvideo: Mark decoder as init-threadsafe
ffmpeg | branch: master | Andreas Rheinhardt |
Mon Nov 30 18:24:37 2020 +0100| [bdfe51b44f01de89f794a307f0a59941bc0ec9fa] |
committer: Andreas Rheinhardt
avcodec/idcinvideo: Mark decoder as init-threadsafe
Reviewed-by: Tomas Härdin
Signed-off-by: Andreas Rheinhardt
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bdfe51b44f01de89f794a307f0a59941bc0ec9fa
---
libavcodec/idcinvideo.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/idcinvideo.c b/libavcodec/idcinvideo.c
index 6b2d8087ae..941a89d36d 100644
--- a/libavcodec/idcinvideo.c
+++ b/libavcodec/idcinvideo.c
@@ -258,4 +258,5 @@ AVCodec ff_idcin_decoder = {
.decode = idcin_decode_frame,
.capabilities = AV_CODEC_CAP_DR1,
.defaults = idcin_defaults,
+.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
};
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[FFmpeg-cvslog] avcodec/snow: Use ff_thread_once() in ff_snow_common_init()
ffmpeg | branch: master | Andreas Rheinhardt |
Wed Dec 2 00:10:13 2020 +0100| [6a94afbd5bf4aa3ccab12f038e8bbae7ef3973c0] |
committer: Andreas Rheinhardt
avcodec/snow: Use ff_thread_once() in ff_snow_common_init()
ff_snow_common_init() currently initializes static data every time it is
invoked; given that both the Snow encoder and decoder have the
FF_CODEC_CAP_INIT_THREADSAFE flag set, this can lead to data races (and
therefore undefined behaviour) even though all threads write the same
values. This commit fixes this by using ff_thread_once() for the
initializations.
Reviewed-by: Michael Niedermayer
Signed-off-by: Andreas Rheinhardt
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6a94afbd5bf4aa3ccab12f038e8bbae7ef3973c0
---
libavcodec/snow.c | 18 +-
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 066efc5171..bb65a6f43f 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -21,6 +21,7 @@
#include "libavutil/intmath.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
+#include "libavutil/thread.h"
#include "avcodec.h"
#include "me_cmp.h"
#include "snow_dwt.h"
@@ -427,10 +428,19 @@ mca( 8, 0,8)
mca( 0, 8,8)
mca( 8, 8,8)
+static av_cold void snow_static_init(void)
+{
+for (int i = 0; i < MAX_REF_FRAMES; i++)
+for (int j = 0; j < MAX_REF_FRAMES; j++)
+ff_scale_mv_ref[i][j] = 256 * (i + 1) / (j + 1);
+init_qexp();
+}
+
av_cold int ff_snow_common_init(AVCodecContext *avctx){
+static AVOnce init_static_once = AV_ONCE_INIT;
SnowContext *s = avctx->priv_data;
int width, height;
-int i, j;
+int i;
s->avctx= avctx;
s->max_ref_frames=1; //just make sure it's not an invalid value in case of
no initial keyframe
@@ -480,8 +490,6 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){
mcfh(0, 8)
mcfh(8, 8)
-init_qexp();
-
//dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift);
width= s->avctx->width;
@@ -495,8 +503,6 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){
return AVERROR(ENOMEM);
for(i=0; ilast_picture[i] = av_frame_alloc();
if (!s->last_picture[i])
return AVERROR(ENOMEM);
@@ -507,6 +513,8 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){
if (!s->mconly_picture || !s->current_picture)
return AVERROR(ENOMEM);
+ff_thread_once(&init_static_once, snow_static_init);
+
return 0;
}
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[FFmpeg-cvslog] avcodec/cinepakenc: Mark encoder as init-threadsafe
ffmpeg | branch: master | Andreas Rheinhardt |
Mon Nov 30 14:44:49 2020 +0100| [f79927990db8c01dfafe26aa98aee3bea87aa9fc] |
committer: Andreas Rheinhardt
avcodec/cinepakenc: Mark encoder as init-threadsafe
Reviewed-by: Tomas Härdin
Signed-off-by: Andreas Rheinhardt
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f79927990db8c01dfafe26aa98aee3bea87aa9fc
---
libavcodec/cinepakenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/cinepakenc.c b/libavcodec/cinepakenc.c
index cc125ed39e..9eaa972a9c 100644
--- a/libavcodec/cinepakenc.c
+++ b/libavcodec/cinepakenc.c
@@ -1189,5 +1189,5 @@ AVCodec ff_cinepak_encoder = {
.close = cinepak_encode_end,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB24,
AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE },
.priv_class = &cinepak_class,
-.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
+.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
};
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