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svc_encodeframe: quiet -Warray-bounds warnings

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si->layers is validated prior to assignment; add an assertion prior to
first use as a loop bound

Change-Id: I727d4e24be3c352c3e5320d92e89d3f787944812
This commit is contained in:
James Zern 2014-03-14 18:37:20 -07:00
parent 7c6337ba9e
commit 6c0565a4cc
1 changed files with 2 additions and 0 deletions
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2
vpx/src/svc_encodeframe.c
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@ -13,6 +13,7 @@
* VP9 SVC encoding support via libvpx
*/
#include <assert.h>
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
@ -550,6 +551,7 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
float total = 0;
float alloc_ratio[VPX_SS_MAX_LAYERS] = {0};
assert(si->layers <= VPX_SS_MAX_LAYERS);
for (i = 0; i < si->layers; ++i) {
int pos = i + VPX_SS_MAX_LAYERS - svc_ctx->spatial_layers;
if (pos < VPX_SS_MAX_LAYERS && si->scaling_factor_den[pos] > 0) {