Function ff_alloc_packet

libavcodec/encode.c:61–81

}

int ff_alloc_packet(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
{
    if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
        av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
               size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
        return AVERROR(EINVAL);
    }

    av_assert0(!avpkt->data);

    av_fast_padded_malloc(&avctx->internal->byte_buffer,
                          &avctx->internal->byte_buffer_size, size);
    avpkt->data = avctx->internal->byte_buffer;
    if (!avpkt->data) {
        av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
        return AVERROR(ENOMEM);
    }
    avpkt->size = size;

    return 0;
}

int avcodec_default_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int flags)
{