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libcamera: update buffers datas information according to plane info

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This commit is contained in:
Elliot Chen 2024-11-04 19:59:14 +09:00 • committed by Wim Taymans
parent 359b70e2ba
commit d5e2a0df6c
1 changed files with 26 additions and 3 deletions
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29
spa/plugins/libcamera/libcamera-utils.cpp
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@ -822,11 +822,34 @@ mmap_init(struct impl *impl, struct port *port,
d[j].type = port->memtype;
d[j].flags = SPA_DATA_FLAG_READABLE;
d[j].mapoffset = 0;
d[j].maxsize = port->streamConfig.frameSize;
d[j].chunk->offset = 0;
d[j].chunk->size = port->streamConfig.frameSize;
d[j].chunk->stride = port->streamConfig.stride;
d[j].chunk->flags = 0;
/* Update parameters according to the plane information */
unsigned int numPlanes = bufs[i]->planes().size();
if (buffers[i]->n_datas < numPlanes) {
if (j < buffers[i]->n_datas - 1) {
d[j].maxsize = bufs[i]->planes()[j].length;
d[j].chunk->offset = bufs[i]->planes()[j].offset;
d[j].chunk->size = bufs[i]->planes()[j].length;
} else {
d[j].chunk->offset = bufs[i]->planes()[j].offset;
for (uint8_t k = j; k < numPlanes; k++) {
d[j].maxsize += bufs[i]->planes()[k].length;
d[j].chunk->size += bufs[i]->planes()[k].length;
}
}
} else if (buffers[i]->n_datas == numPlanes) {
d[j].maxsize = bufs[i]->planes()[j].length;
d[j].chunk->offset = bufs[i]->planes()[j].offset;
d[j].chunk->size = bufs[i]->planes()[j].length;
} else {
spa_log_warn(impl->log, "buffer index: i: %d, data member "
"numbers: %d is greater than plane number: %d",
i, buffers[i]->n_datas, numPlanes);
d[j].maxsize = port->streamConfig.frameSize;
d[j].chunk->offset = 0;
d[j].chunk->size = port->streamConfig.frameSize;
}
if (port->memtype == SPA_DATA_DmaBuf ||
port->memtype == SPA_DATA_MemFd) {