libtheora: Check memory allocation

This commit is contained in:
Vittorio Giovara 2015-05-31 14:54:29 +02:00 committed by Luca Barbato
parent 8df5fbf0b0
commit 41658bc885

View File

@ -101,6 +101,8 @@ static int get_stats(AVCodecContext *avctx, int eos)
if (!eos) {
h->stats = av_fast_realloc(h->stats, &h->stats_size,
h->stats_offset + bytes);
if (!h->stats)
return AVERROR(ENOMEM);
memcpy(h->stats + h->stats_offset, buf, bytes);
h->stats_offset += bytes;
} else {
@ -108,6 +110,8 @@ static int get_stats(AVCodecContext *avctx, int eos)
// libtheora generates a summary header at the end
memcpy(h->stats, buf, bytes);
avctx->stats_out = av_malloc(b64_size);
if (!avctx->stats_out)
return AVERROR(ENOMEM);
av_base64_encode(avctx->stats_out, b64_size, h->stats, h->stats_offset);
}
return 0;
@ -131,6 +135,8 @@ static int submit_stats(AVCodecContext *avctx)
}
h->stats_size = strlen(avctx->stats_in) * 3/4;
h->stats = av_malloc(h->stats_size);
if (!h->stats)
return AVERROR(ENOMEM);
h->stats_size = av_base64_decode(h->stats, avctx->stats_in, h->stats_size);
}
while (h->stats_size - h->stats_offset > 0) {