int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src) { int ret, i; av_assert0(!dst->f->buf[0]); av_assert0(src->f->buf[0]); av_assert0(src->tf.f == src->f); dst->tf.f = dst->f; ret = ff_thread_ref_frame(&dst->tf, &src->tf); if (ret < 0) goto fail; dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf); dst->mb_type_buf = av_buffer_ref(src->mb_type_buf); if (!dst->qscale_table_buf || !dst->mb_type_buf) goto fail; dst->qscale_table = src->qscale_table; dst->mb_type = src->mb_type; for (i = 0; i < 2; i++) { dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]); dst->ref_index_buf[i] = av_buffer_ref(src->ref_index_buf[i]); if (!dst->motion_val_buf[i] || !dst->ref_index_buf[i]) goto fail; dst->motion_val[i] = src->motion_val[i]; dst->ref_index[i] = src->ref_index[i]; } if (src->hwaccel_picture_private) { dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); if (!dst->hwaccel_priv_buf) goto fail; dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; } for (i = 0; i < 2; i++) dst->field_poc[i] = src->field_poc[i]; memcpy(dst->ref_poc, src->ref_poc, sizeof(src->ref_poc)); memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count)); dst->poc = src->poc; dst->frame_num = src->frame_num; dst->mmco_reset = src->mmco_reset; dst->long_ref = src->long_ref; dst->mbaff = src->mbaff; dst->field_picture = src->field_picture; dst->reference = src->reference; dst->recovered = src->recovered; dst->invalid_gap = src->invalid_gap; dst->sei_recovery_frame_cnt = src->sei_recovery_frame_cnt; return 0; fail: ff_h264_unref_picture(h, dst); return ret; }