gecko-dev/media/libvpx/1237848-check-lookahead-ctx.patch
2016-02-04 11:29:02 +11:00

51 lines
1.5 KiB
Diff

# HG changeset patch
# User Gerald Squelart <gsquelart@mozilla.com>
# Parent 5f9ba76eb3b1fd9377bbdb4cc2f98a7e75eabdfb
Bug 1237848 - Check lookahead ctx - r=rillian
Copied from https://chromium-review.googlesource.com/324510
diff --git a/media/libvpx/vp8/encoder/lookahead.c b/media/libvpx/vp8/encoder/lookahead.c
--- a/media/libvpx/vp8/encoder/lookahead.c
+++ b/media/libvpx/vp8/encoder/lookahead.c
@@ -176,16 +176,17 @@ vp8_lookahead_push(struct lookahead_ctx
struct lookahead_entry*
vp8_lookahead_pop(struct lookahead_ctx *ctx,
int drain)
{
struct lookahead_entry* buf = NULL;
+ assert(ctx != NULL);
if(ctx->sz && (drain || ctx->sz == ctx->max_sz - 1))
{
buf = pop(ctx, &ctx->read_idx);
ctx->sz--;
}
return buf;
}
diff --git a/media/libvpx/vp9/encoder/vp9_lookahead.c b/media/libvpx/vp9/encoder/vp9_lookahead.c
--- a/media/libvpx/vp9/encoder/vp9_lookahead.c
+++ b/media/libvpx/vp9/encoder/vp9_lookahead.c
@@ -202,17 +202,17 @@ int vp9_lookahead_push(struct lookahead_
return 0;
}
struct lookahead_entry *vp9_lookahead_pop(struct lookahead_ctx *ctx,
int drain) {
struct lookahead_entry *buf = NULL;
- if (ctx->sz && (drain || ctx->sz == ctx->max_sz - MAX_PRE_FRAMES)) {
+ if (ctx && ctx->sz && (drain || ctx->sz == ctx->max_sz - MAX_PRE_FRAMES)) {
buf = pop(ctx, &ctx->read_idx);
ctx->sz--;
}
return buf;
}
struct lookahead_entry *vp9_lookahead_peek(struct lookahead_ctx *ctx,