ref: f749905d0ad0c5dba4f85d8e003a4a317b9a98ec
parent: ec4afbf74a4beebadee3e1b15b43c5d4e3d3bd1c
author: James Zern <jzern@google.com>
date: Wed Jun 21 16:16:26 EDT 2017
roll libwebm snapshot git log --no-merges --oneline 9732ae9..a97c484 9096786 mkvparser: fix float conversion warning 84e8257 disable -Wdeprecated-declarations in legacy code a98f495 AddGenericFrame: fix memory leak on failure da131dd AddCuePoint: fix memory leak on failure b0cea9c Add(Audio|Video)Track: fix memory leak on failure 5261a67 webm_info: check vp9 ParseUncompressedHeader return 85f7e2e webm_info,PrintVP9Info: validate alt ref sizes 9b97ca1 vp9_header_parser_tests: check parser return 300d6d8 CuePoint::Find: check Track pointer 50c44bb webm_info,OutputCues: fix indexing of tracks a0d27f0 mkvparser,Block::Parse: remove incorrect assert 784fc1b vttdemux,CloseFiles: check file pointer before closing b4522c1 .gitattributes: force mkv/webm to be treated as binary a118f3d Add test for projection parse failures. d398479 Add test for primary chromaticity parse failures. 9bbec4c Fix permissions on test file. 2cef4d5 mkvparser:Parse: s/FLT_MIN/-FLT_MAX/ 35a3c88 mkvmuxer: Turn off estimate_file_duration_ by default 5a41830 mkvparser: Avoid double free when Chromaticity parse fails. 67e3ffa mkvparser: Avoid casts of values too large for float in Projection elements. 87bcddf vttdemux::ChapterAtomParser: check for NULL display string a534a24 Update .gitignore a0d67d0 mkvmuxer: Fix hard-coded data size in EbmlElementSize c36112c mkvparser: #include sys/type.h 686664e Fix cmake generation warnings on Windows. 2b2c196 cmake: Fix required flag check. 166e40f Cmake refactor. 9fb774a Add missing include in webm2pes.cc. 4956b2d mkvmuxer: Force new clusters when audio queue gets too long. 54f1559 cmake: Cache results of CXX flag tests. 81c73fc mkvparser: Avoid alloc failures in SeekHead::Parse. Change-Id: Ib81b1772ec81e7af3852dcfef2d312416f6db53d
--- a/third_party/libwebm/README.libvpx
+++ b/third_party/libwebm/README.libvpx
@@ -1,5 +1,5 @@
URL: https://chromium.googlesource.com/webm/libwebm
-Version: 9732ae991efb71aced4267d4794918279e362d99
+Version: a97c484bfd6b5de4b1b61efe33089b55d810b412
License: BSD
License File: LICENSE.txt
--- a/third_party/libwebm/common/hdr_util.h
+++ b/third_party/libwebm/common/hdr_util.h
@@ -47,7 +47,15 @@
int chroma_subsampling;
};
+// disable deprecation warnings for auto_ptr
+#if defined(__GNUC__) && __GNUC__ >= 5
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
typedef std::auto_ptr<mkvmuxer::PrimaryChromaticity> PrimaryChromaticityPtr;
+#if defined(__GNUC__) && __GNUC__ >= 5
+#pragma GCC diagnostic pop
+#endif
bool CopyPrimaryChromaticity(const mkvparser::PrimaryChromaticity& parser_pc,
PrimaryChromaticityPtr* muxer_pc);
--- a/third_party/libwebm/mkvmuxer/mkvmuxer.cc
+++ b/third_party/libwebm/mkvmuxer/mkvmuxer.cc
@@ -24,6 +24,11 @@
#include "mkvmuxer/mkvwriter.h"
#include "mkvparser/mkvparser.h"
+// disable deprecation warnings for auto_ptr
+#if defined(__GNUC__) && __GNUC__ >= 5
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
namespace mkvmuxer {
const float PrimaryChromaticity::kChromaticityMin = 0.0f;
@@ -3053,7 +3058,7 @@
output_cues_(true),
accurate_cluster_duration_(false),
fixed_size_cluster_timecode_(false),
- estimate_file_duration_(true),
+ estimate_file_duration_(false),
payload_pos_(0),
size_position_(0),
doc_type_version_(kDefaultDocTypeVersion),
@@ -3361,7 +3366,10 @@
track->set_width(width);
track->set_height(height);
- tracks_.AddTrack(track, number);
+ if (!tracks_.AddTrack(track, number)) {
+ delete track;
+ return 0;
+ }
has_video_ = true;
return track->number();
@@ -3383,8 +3391,10 @@
cue->set_block_number(cluster->blocks_added());
cue->set_cluster_pos(cluster->position_for_cues());
cue->set_track(track);
- if (!cues_.AddCue(cue))
+ if (!cues_.AddCue(cue)) {
+ delete cue;
return false;
+ }
new_cuepoint_ = false;
return true;
@@ -3401,7 +3411,10 @@
track->set_sample_rate(sample_rate);
track->set_channels(channels);
- tracks_.AddTrack(track, number);
+ if (!tracks_.AddTrack(track, number)) {
+ delete track;
+ return 0;
+ }
return track->number();
}
@@ -3490,6 +3503,19 @@
if (frame->discard_padding() != 0)
doc_type_version_ = 4;
+ if (cluster_list_size_ > 0) {
+ const uint64_t timecode_scale = segment_info_.timecode_scale();
+ const uint64_t frame_timecode = frame->timestamp() / timecode_scale;
+
+ const Cluster* const last_cluster = cluster_list_[cluster_list_size_ - 1];
+ const uint64_t last_cluster_timecode = last_cluster->timecode();
+
+ const uint64_t rel_timecode = frame_timecode - last_cluster_timecode;
+ if (rel_timecode > kMaxBlockTimecode) {
+ force_new_cluster_ = true;
+ }
+ }
+
// If the segment has a video track hold onto audio frames to make sure the
// audio that is associated with the start time of a video key-frame is
// muxed into the same cluster.
@@ -3496,10 +3522,14 @@
if (has_video_ && tracks_.TrackIsAudio(frame->track_number()) &&
!force_new_cluster_) {
Frame* const new_frame = new (std::nothrow) Frame();
- if (!new_frame || !new_frame->CopyFrom(*frame))
+ if (!new_frame || !new_frame->CopyFrom(*frame)) {
+ delete new_frame;
return false;
- if (!QueueFrame(new_frame))
+ }
+ if (!QueueFrame(new_frame)) {
+ delete new_frame;
return false;
+ }
track_frames_written_[frame->track_number() - 1]++;
return true;
}
@@ -3522,8 +3552,10 @@
if (!frame->CanBeSimpleBlock() && !frame->is_key() &&
!frame->reference_block_timestamp_set()) {
Frame* const new_frame = new (std::nothrow) Frame();
- if (!new_frame->CopyFrom(*frame))
+ if (!new_frame || !new_frame->CopyFrom(*frame)) {
+ delete new_frame;
return false;
+ }
new_frame->set_reference_block_timestamp(
last_track_timestamp_[frame->track_number() - 1]);
frame = new_frame;
--- a/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
+++ b/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
@@ -288,7 +288,7 @@
ebml_size += strlen(value);
// Size of Datasize
- ebml_size++;
+ ebml_size += GetCodedUIntSize(strlen(value));
return ebml_size;
}
--- a/third_party/libwebm/mkvmuxer/mkvwriter.cc
+++ b/third_party/libwebm/mkvmuxer/mkvwriter.cc
@@ -8,6 +8,8 @@
#include "mkvmuxer/mkvwriter.h"
+#include <sys/types.h>
+
#ifdef _MSC_VER
#include <share.h> // for _SH_DENYWR
#endif
--- a/third_party/libwebm/mkvparser/mkvparser.cc
+++ b/third_party/libwebm/mkvparser/mkvparser.cc
@@ -22,6 +22,11 @@
#include "common/webmids.h"
+// disable deprecation warnings for auto_ptr
+#if defined(__GNUC__) && __GNUC__ >= 5
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
namespace mkvparser {
const float MasteringMetadata::kValueNotPresent = FLT_MAX;
const long long Colour::kValueNotPresent = LLONG_MAX;
@@ -1528,15 +1533,19 @@
if (pos != stop)
return E_FILE_FORMAT_INVALID;
- m_entries = new (std::nothrow) Entry[entry_count];
+ if (entry_count > 0) {
+ m_entries = new (std::nothrow) Entry[entry_count];
- if (m_entries == NULL)
- return -1;
+ if (m_entries == NULL)
+ return -1;
+ }
- m_void_elements = new (std::nothrow) VoidElement[void_element_count];
+ if (void_element_count > 0) {
+ m_void_elements = new (std::nothrow) VoidElement[void_element_count];
- if (m_void_elements == NULL)
- return -1;
+ if (m_void_elements == NULL)
+ return -1;
+ }
// now parse the entries and void elements
@@ -1555,7 +1564,7 @@
if (status < 0) // error
return status;
- if (id == libwebm::kMkvSeek) {
+ if (id == libwebm::kMkvSeek && entry_count > 0) {
if (ParseEntry(pReader, pos, size, pEntry)) {
Entry& e = *pEntry++;
@@ -1562,7 +1571,7 @@
e.element_start = idpos;
e.element_size = (pos + size) - idpos;
}
- } else if (id == libwebm::kMkvVoid) {
+ } else if (id == libwebm::kMkvVoid && void_element_count > 0) {
VoidElement& e = *pVoidElement++;
e.element_start = idpos;
@@ -2426,7 +2435,9 @@
}
const CuePoint::TrackPosition* CuePoint::Find(const Track* pTrack) const {
- assert(pTrack);
+ if (pTrack == NULL) {
+ return NULL;
+ }
const long long n = pTrack->GetNumber();
@@ -4026,7 +4037,7 @@
}
const double rollover_check = m_duration * m_timecodeScale;
- if (rollover_check > LLONG_MAX)
+ if (rollover_check > static_cast<double>(LLONG_MAX))
return E_FILE_FORMAT_INVALID;
if (pos != stop)
@@ -4975,29 +4986,27 @@
if (!reader)
return false;
- std::auto_ptr<PrimaryChromaticity> chromaticity_ptr;
+ if (!*chromaticity)
+ *chromaticity = new PrimaryChromaticity();
- if (!*chromaticity) {
- chromaticity_ptr.reset(new PrimaryChromaticity());
- } else {
- chromaticity_ptr.reset(*chromaticity);
- }
-
- if (!chromaticity_ptr.get())
+ if (!*chromaticity)
return false;
- float* value = is_x ? &chromaticity_ptr->x : &chromaticity_ptr->y;
+ PrimaryChromaticity* pc = *chromaticity;
+ float* value = is_x ? &pc->x : &pc->y;
double parser_value = 0;
- const long long value_parse_status =
+ const long long parse_status =
UnserializeFloat(reader, read_pos, value_size, parser_value);
- *value = static_cast<float>(parser_value);
-
- if (value_parse_status < 0 || *value < 0.0 || *value > 1.0)
+ // Valid range is [0, 1]. Make sure the double is representable as a float
+ // before casting.
+ if (parse_status < 0 || parser_value < 0.0 || parser_value > 1.0 ||
+ (parser_value > 0.0 && parser_value < FLT_MIN))
return false;
- *chromaticity = chromaticity_ptr.release();
+ *value = static_cast<float>(parser_value);
+
return true;
}
@@ -5228,7 +5237,9 @@
double value = 0;
const long long value_parse_status =
UnserializeFloat(reader, read_pos, child_size, value);
- if (value_parse_status < 0) {
+ // Make sure value is representable as a float before casting.
+ if (value_parse_status < 0 || value < -FLT_MAX || value > FLT_MAX ||
+ (value > 0.0 && value < FLT_MIN)) {
return false;
}
@@ -7932,7 +7943,6 @@
pf = m_frames;
while (pf != pf_end) {
Frame& f = *pf++;
- assert((pos + f.len) <= stop);
if ((pos + f.len) > stop)
return E_FILE_FORMAT_INVALID;
--- a/third_party/libwebm/mkvparser/mkvreader.cc
+++ b/third_party/libwebm/mkvparser/mkvreader.cc
@@ -7,6 +7,8 @@
// be found in the AUTHORS file in the root of the source tree.
#include "mkvparser/mkvreader.h"
+#include <sys/types.h>
+
#include <cassert>
namespace mkvparser {