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af_hdcd: fix possible integer overflow

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Signed-off-by: Burt P <pburt0@gmail.com>
This commit is contained in:
Burt P 2016-09-04 09:28:39 -05:00
parent 5e553cab68
commit 91be2ad756
1 changed files with 4 additions and 5 deletions
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9
libavfilter/af_hdcd.c
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@ -1004,16 +1004,15 @@ AVFILTER_DEFINE_CLASS(hdcd);
static void hdcd_reset(hdcd_state *state, unsigned rate, unsigned cdt_ms)
{
int i;
uint64_t sustain_reset = (uint64_t)cdt_ms * rate / 1000;
state->window = 0;
state->readahead = 32;
state->arg = 0;
state->control = 0;
state->running_gain = 0;
state->sustain_reset = sustain_reset;
state->sustain = 0;
state->sustain_reset = cdt_ms*rate/1000;
state->code_counterA = 0;
state->code_counterA_almost = 0;
@ -1789,8 +1788,8 @@ static av_cold int init(AVFilterContext *ctx)
hdcd_reset(&s->state[c], 44100, s->cdt_ms);
}
av_log(ctx, AV_LOG_VERBOSE, "CDT period: %dms (%d samples @44100Hz)\n",
s->cdt_ms, s->cdt_ms*44100/1000 );
av_log(ctx, AV_LOG_VERBOSE, "CDT period: %dms (%u samples @44100Hz)\n",
s->cdt_ms, s->state[0].sustain_reset );
av_log(ctx, AV_LOG_VERBOSE, "Process mode: %s\n",
(s->process_stereo) ? "process stereo channels together" : "process each channel separately");
av_log(ctx, AV_LOG_VERBOSE, "Force PE: %s\n",