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v4l2: add support for DMABUF

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Export dmafd on buffers and use those directly to send to the client.
Do some v4l2 cleanup.
This commit is contained in:
Wim Taymans 2016-07-13 19:56:39 +02:00
parent 17ef36c9c1
commit 16d2a3a69c
3 changed files with 61 additions and 18 deletions
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4
spa/plugins/v4l2/v4l2-source.c
View file

@ -58,6 +58,7 @@ struct _V4l2Buffer {
bool outstanding;
struct v4l2_buffer v4l2_buffer;
V4l2Buffer *next;
int dmafd;
};
typedef struct {
@ -79,6 +80,7 @@ typedef struct {
SpaPortInfo info;
SpaAllocParam *params[1];
SpaAllocParamBuffers param_buffers;
bool export_buf;
SpaPortStatus status;
} SpaV4l2State;
@ -598,6 +600,8 @@ v4l2_source_init (const SpaHandleFactory *factory,
this->state[0].info.flags = SPA_PORT_INFO_FLAG_NONE;
this->state[0].status.flags = SPA_PORT_STATUS_FLAG_NONE;
this->state[0].export_buf = true;
return SPA_RESULT_OK;
}