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Bug 1480003 - Update libnestegg to 7bafcb95. r=bryce

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--HG--
extra : rebase_source : d49e929e5e462ffc57c5eccde1d97238c8d10631
This commit is contained in:
Matthew Gregan 2018-08-26 20:30:18 +12:00
parent e126996d9b
commit 574fed09a7
4 changed files with 46 additions and 28 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
media/libnestegg/README_MOZILLA
View file

@ -5,4 +5,4 @@ Makefile.in build files for the Mozilla build system.
The nestegg git repository is: https://github.com/kinetiknz/nestegg
The git commit ID used was 89ed0daf2edccb25f744e5faff88b8b4684adceb.
The git commit ID used was 7bafcb950eb0a8fa66858a6f272886f6b3ef40af (2018-08-09 16:39:37 +1200)

2
media/libnestegg/include/nestegg.h
View file

@ -187,7 +187,7 @@ void nestegg_destroy(nestegg * context);
int nestegg_duration(nestegg * context, uint64_t * duration);
/** Query the tstamp scale of the media stream in nanoseconds.
@note Timecodes presented by nestegg have been scaled by this value
@note Timestamps presented by nestegg have been scaled by this value
before presentation to the caller.
@param context Stream context initialized by #nestegg_init.
@param scale Storage for the queried scale factor.

64
media/libnestegg/src/nestegg.c
View file

@ -1052,9 +1052,9 @@ ne_read_simple(nestegg * ctx, struct ebml_element_desc * desc, size_t length)
storage = (struct ebml_type *) (ctx->ancestor->data + desc->offset);
if (storage->read) {
ctx->log(ctx, NESTEGG_LOG_DEBUG, "element %llx (%s) already read, skipping",
desc->id, desc->name);
return 0;
ctx->log(ctx, NESTEGG_LOG_DEBUG, "element %llx (%s) already read, skipping %u",
desc->id, desc->name, length);
return ne_io_read_skip(ctx->io, length);
}
storage->type = desc->type;
@ -1642,6 +1642,11 @@ ne_read_block(nestegg * ctx, uint64_t block_id, uint64_t block_size, nestegg_pac
} else {
encryption_size = 0;
}
if (encryption_size > frame_sizes[i]) {
ne_free_frame(f);
nestegg_free_packet(pkt);
return -1;
}
data_size = frame_sizes[i] - encryption_size;
/* Encryption parsed */
f->data = ne_alloc(data_size);
@ -1955,17 +1960,18 @@ static int
ne_buffer_read(void * buffer, size_t length, void * userdata)
{
struct io_buffer * iob = userdata;
int rv = 1;
size_t available = iob->length - iob->offset;
if (available < length)
if (available == 0)
return 0;
if (available < length)
return -1;
memcpy(buffer, iob->buffer + iob->offset, length);
iob->offset += length;
return rv;
return 1;
}
static int
@ -2074,6 +2080,17 @@ ne_match_webm(nestegg_io io, int64_t max_offset)
return 1;
}
static void
ne_free_block_additions(struct block_additional * block_additional)
{
while (block_additional) {
struct block_additional * tmp = block_additional;
block_additional = block_additional->next;
free(tmp->data);
free(tmp);
}
}
int
nestegg_init(nestegg ** context, nestegg_io io, nestegg_log callback, int64_t max_offset)
{
@ -2789,7 +2806,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
while (ne_io_tell(ctx->io) < block_group_end) {
r = ne_read_element(ctx, &id, &size);
if (r != 1) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2799,9 +2816,14 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
switch (id) {
case ID_BLOCK: {
if (*pkt) {
ctx->log(ctx, NESTEGG_LOG_DEBUG,
"read_packet: multiple Blocks in BlockGroup, dropping previously read Block");
nestegg_free_packet(*pkt);
}
r = ne_read_block(ctx, id, size, pkt);
if (r != 1) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2815,7 +2837,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
case ID_BLOCK_DURATION: {
r = ne_read_uint(ctx->io, &block_duration, size);
if (r != 1) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2824,7 +2846,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
}
tc_scale = ne_get_timecode_scale(ctx);
if (tc_scale == 0) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2838,7 +2860,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
case ID_DISCARD_PADDING: {
r = ne_read_int(ctx->io, &discard_padding, size);
if (r != 1) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2851,7 +2873,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
case ID_BLOCK_ADDITIONS: {
/* There should only be one BlockAdditions; treat multiple as an error. */
if (block_additional) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2860,7 +2882,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
}
r = ne_read_block_additions(ctx, size, &block_additional);
if (r != 1) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2872,7 +2894,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
case ID_REFERENCE_BLOCK: {
r = ne_read_int(ctx->io, &reference_block, size);
if (r != 1) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2889,7 +2911,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
"read_packet: unknown element %llx in BlockGroup", id);
r = ne_io_read_skip(ctx->io, size);
if (r != 1) {
free(block_additional);
ne_free_block_additions(block_additional);
if (*pkt) {
nestegg_free_packet(*pkt);
*pkt = NULL;
@ -2913,7 +2935,7 @@ nestegg_read_packet(nestegg * ctx, nestegg_packet ** pkt)
predictive frames and no keyframes */
(*pkt)->keyframe = NESTEGG_PACKET_HAS_KEYFRAME_FALSE;
} else {
free(block_additional);
ne_free_block_additions(block_additional);
}
break;
}
@ -2932,7 +2954,6 @@ void
nestegg_free_packet(nestegg_packet * pkt)
{
struct frame * frame;
struct block_additional * block_additional;
while (pkt->frame) {
frame = pkt->frame;
@ -2941,12 +2962,7 @@ nestegg_free_packet(nestegg_packet * pkt)
ne_free_frame(frame);
}
while (pkt->block_additional) {
block_additional = pkt->block_additional;
pkt->block_additional = block_additional->next;
free(block_additional->data);
free(block_additional);
}
ne_free_block_additions(pkt->block_additional);
free(pkt);
}

4
media/libnestegg/update.sh
View file

@ -6,6 +6,7 @@ cp $1/README.md .
cp $1/AUTHORS .
if [ -d $1/.git ]; then
rev=$(cd $1 && git rev-parse --verify HEAD)
date=$(cd $1 && git show -s --format=%ci HEAD)
dirty=$(cd $1 && git diff-index --name-only HEAD)
fi
@ -15,7 +16,8 @@ if [ -n "$rev" ]; then
version=$version-dirty
echo "WARNING: updating from a dirty git repository."
fi
sed -i "/The git commit ID used was/ s/[0-9a-f]\+\(-dirty\)\?\./$version./" README_MOZILLA
sed -i.bak -e "/The git commit ID used was/ s/[0-9a-f]\{40\}\(-dirty\)\{0,1\} .\{1,100\}/$version ($date)/" README_MOZILLA
rm README_MOZILLA.bak
else
echo "Remember to update README_MOZILLA with the version details."
fi