Function ff_get_encode_buffer

libavcodec/encode.c:105–134

}

int ff_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int flags)
{
    int ret;

    if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
        return AVERROR(EINVAL);

    av_assert0(!avpkt->data && !avpkt->buf);

    avpkt->size = size;
    ret = avctx->get_encode_buffer(avctx, avpkt, flags);
    if (ret < 0)
        goto fail;

    if (!avpkt->data || !avpkt->buf) {
        av_log(avctx, AV_LOG_ERROR, "No buffer returned by get_encode_buffer()\n");
        ret = AVERROR(EINVAL);
        goto fail;
    }
    memset(avpkt->data + avpkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);

    ret = 0;
fail:
    if (ret < 0) {
        av_log(avctx, AV_LOG_ERROR, "get_encode_buffer() failed\n");
        av_packet_unref(avpkt);
    }

    return ret;
}

static int encode_make_refcounted(AVCodecContext *avctx, AVPacket *avpkt)
{