55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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/***********************************************************************
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* 这个文件仅仅是中转数据,主要为了一些硬件模块是插入才有数据,所以外部希望
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* 绑定的时候,可能硬件没有准备好,所以创建一个中转msi,硬件准备好就发送到
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* 中转msi,然后中转msi帮忙转发出去,外部调用就是用中转msi帮定就可以了,
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* 这样硬件准备好会自动通过中转msi去转发
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***********************************************************************/
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#include "basic_include.h"
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#include "lib/multimedia/msi.h"
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#include "lib/heap/av_heap.h"
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#include "lib/heap/av_psram_heap.h"
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// data申请空间函数
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#define STREAM_MALLOC av_psram_malloc
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#define STREAM_FREE av_psram_free
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#define STREAM_ZALLOC av_psram_zalloc
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// 结构体申请空间函数
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#define STREAM_LIBC_MALLOC av_malloc
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#define STREAM_LIBC_FREE av_free
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#define STREAM_LIBC_ZALLOC av_zalloc
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static int32_t route_msi_action(struct msi *msi, uint32_t cmd_id, uint32_t param1, uint32_t param2)
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{
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int32_t ret = RET_OK;
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switch (cmd_id)
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{
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// 帮忙转发,但是永远不需要放在队列中
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case MSI_CMD_TRANS_FB:
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{
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struct framebuff *fb = (struct framebuff *)param1;
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fb_get(fb);
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msi_output_fb(msi, fb);
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ret = RET_OK + 1;
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}
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break;
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default:
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{
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}
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break;
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}
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return ret;
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}
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// 中转(路由)msi,不需要接收,仅仅发送就可以了
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struct msi *route_msi(const char *name)
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{
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// 设置1个接收,只是为了可以output_fb给到这个msi
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struct msi *msi = msi_new(name, 0, NULL);
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if (msi)
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{
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msi->action = route_msi_action;
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msi->enable = 1;
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}
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return msi;
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}
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