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lavfi/ashowinfo: check plane value before deferencing.

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This commit is contained in:
Clément Bœsch 2012-09-30 20:58:01 +02:00
parent a8cb21fd62
commit 13d878366f
1 changed files with 2 additions and 2 deletions
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4
libavfilter/af_ashowinfo.c
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@ -53,7 +53,7 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *samplesref)
if (!av_sample_fmt_is_planar(samplesref->format)) if (!av_sample_fmt_is_planar(samplesref->format))
linesize *= av_get_channel_layout_nb_channels(samplesref->audio->channel_layout); linesize *= av_get_channel_layout_nb_channels(samplesref->audio->channel_layout);
for (plane = 0; samplesref->data[plane] && plane < 8; plane++) { for (plane = 0; plane < 8 && samplesref->data[plane]; plane++) {
uint8_t *data = samplesref->data[plane]; uint8_t *data = samplesref->data[plane];
plane_checksum[plane] = av_adler32_update(plane_checksum[plane], plane_checksum[plane] = av_adler32_update(plane_checksum[plane],
@ -78,7 +78,7 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *samplesref)
checksum, checksum,
plane_checksum[0]); plane_checksum[0]);
for (plane = 1; samplesref->data[plane] && plane < 8; plane++) for (plane = 1; plane < 8 && samplesref->data[plane]; plane++)
av_log(ctx, AV_LOG_INFO, " %08X", plane_checksum[plane]); av_log(ctx, AV_LOG_INFO, " %08X", plane_checksum[plane]);
av_log(ctx, AV_LOG_INFO, "]\n"); av_log(ctx, AV_LOG_INFO, "]\n");