static int get_stats(AVCodecContext *avctx, int eos) { #ifdef TH_ENCCTL_2PASS_OUT TheoraContext *h = avctx->priv_data; uint8_t *buf; int bytes; bytes = th_encode_ctl(h->t_state, TH_ENCCTL_2PASS_OUT, &buf, sizeof(buf)); if (bytes < 0) { av_log(avctx, AV_LOG_ERROR, "Error getting first pass stats\n"); return AVERROR_EXTERNAL; } if (!eos) { void *tmp = av_fast_realloc(h->stats, &h->stats_size, h->stats_offset + bytes); if (!tmp) h->stats = tmp; memcpy(h->stats + h->stats_offset, buf, bytes); h->stats_offset += bytes; } else { int b64_size = AV_BASE64_SIZE(h->stats_offset); // libtheora generates a summary header at the end memcpy(h->stats, buf, bytes); avctx->stats_out = av_malloc(b64_size); av_base64_encode(avctx->stats_out, b64_size, h->stats, h->stats_offset); } return 0; #else av_log(avctx, AV_LOG_ERROR, "libtheora too old to support 2pass\n"); return AVERROR(ENOSUP); #endif }