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avcodec/libvpxenc: use av_fast_realloc() to resize the stats buffer 

Reviewed-by: James Zern <jzern@google.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2022-08-23 20:20:10 -03:00
parent 48cb2c7a8a
commit 57041bb7b5
1 changed files with 10 additions and 5 deletions
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15
libavcodec/libvpxenc.c
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@ -80,6 +80,7 @@ typedef struct VPxEncoderContext {
struct vpx_image rawimg_alpha;
uint8_t is_alpha;
struct vpx_fixed_buf twopass_stats;
unsigned twopass_stats_size;
int deadline; //i.e., RT/GOOD/BEST
uint64_t sse[4];
int have_sse; /**< true if we have pending sse[] */
@ -1356,16 +1357,20 @@ static int queue_frames(AVCodecContext *avctx, struct vpx_codec_ctx *encoder,
break;
case VPX_CODEC_STATS_PKT: {
struct vpx_fixed_buf *stats = &ctx->twopass_stats;
int err;
uint8_t *tmp;
if (!pkt_out)
break;
if ((err = av_reallocp(&stats->buf,
stats->sz +
pkt->data.twopass_stats.sz)) < 0) {
tmp = av_fast_realloc(stats->buf,
&ctx->twopass_stats_size,
stats->sz +
pkt->data.twopass_stats.sz);
if (!tmp) {
av_freep(&stats->buf);
stats->sz = 0;
av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
return err;
return AVERROR(ENOMEM);
}
stats->buf = tmp;
memcpy((uint8_t*)stats->buf + stats->sz,
pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
stats->sz += pkt->data.twopass_stats.sz;