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libcamera: use the data type mask to select a type

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In alloc_buffers we need to look at the data types mask.
Select DmaBuf when not invalid and the DmaBuf flag is set, otherwise
select memptr.

See #1054
This commit is contained in:
Wim Taymans 2021-04-15 20:40:16 +02:00
parent 6e0ba50a9c
commit cd79cdfb40
1 changed files with 14 additions and 4 deletions
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18
spa/plugins/libcamera/libcamera-utils.c
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@ -756,7 +756,19 @@ mmap_init(struct impl *this,
spa_log_info(this->log, "libcamera: In mmap_init()");
port->memtype = SPA_DATA_DmaBuf;
if (n_buffers > 0) {
d = buffers[0]->datas;
if (d[0].type != SPA_ID_INVALID &&
d[0].type & (1u << SPA_DATA_DmaBuf)) {
port->memtype = SPA_DATA_DmaBuf;
} else if (d[0].type & (1u << SPA_DATA_MemPtr)) {
port->memtype = SPA_DATA_MemPtr;
} else {
spa_log_error(this->log, "v4l2: can't use buffers of type %d", d[0].type);
return -EINVAL;
}
}
/* get n_buffers from libcamera */
uint32_t libcamera_nbuffers = libcamera_get_nbuffers(port->dev.camera);
@ -778,7 +790,7 @@ mmap_init(struct impl *this,
d = buffers[i]->datas;
for(j = 0; j < buffers[i]->n_datas; ++j) {
d[j].type = SPA_DATA_DmaBuf;
d[j].type = port->memtype;
d[j].flags = SPA_DATA_FLAG_READABLE;
d[j].mapoffset = 0;
d[j].maxsize = libcamera_get_max_size(port->dev.camera);
@ -787,8 +799,6 @@ mmap_init(struct impl *this,
d[j].chunk->stride = port->fmt.bytesperline; /* FIXME:: This needs to be appropriately filled */
d[j].chunk->flags = 0;
d[j].flags = SPA_DATA_FLAG_READABLE;
if(port->memtype == SPA_DATA_DmaBuf) {
d[j].fd = libcamera_get_fd(port->dev.camera, i, j);
spa_log_info(this->log, "libcamera: Got fd = %ld for buffer: #%d\n", d[j].fd, i);