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hi_mpi_venc_get_jpege_predicted_size
Atlas 200/300/500 推理产品，不支持该接口。
Atlas 训练系列产品，不支持该接口。
函数功能
预估JPEGE编码一帧图片所需的输出缓冲区大小。
函数原型
hi_s32 hi_mpi_venc_get_jpege_predicted_size(const hi_video_frame_info* frame, const hi_venc_jpeg_param* jpeg_param, hi_u32 *size)
参数说明
参数名 |
输入/输出 |
说明 |
|---|---|---|
frame |
输入 |
原始图像信息的指针。 |
jpeg_param |
输入 |
JPEG协议编码通道的高级参数集合的指针，预留参数。 |
size |
输出 |
输出缓冲区大小的指针，单位为Byte。 |
返回值说明
- 0：成功
- 非0：失败，参见VENC视频编码/JPEGE图片编码返回码
