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dm8168 swosd 添加dma通道问题



我用的是dvr_rdk4.03,我想改造swosd,在SWOSD_TI_algBlendFrame函数里面使用了3个edma通道,但是我想使用7个通道

当我使用了7个通道后,SWOSD_open函数就报错

我把SWOSD_DMA_CH_MAX这个宏设置成了7

然后把linked_params里面的值设置成{4,4,1,1,1,4,4,}后还是在SWOSD_open报错

 

请问还有那些地方需要设置的???????????????????????????????????????????????????????