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spa: libcamera: source: query frame buffer planes just once

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Barnabás Pőcze 2025-08-18 18:32:00 +02:00 • committed by Wim Taymans
parent 47780884e1
commit 93941e5207
1 changed files with 13 additions and 11 deletions
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24
spa/plugins/libcamera/libcamera-source.cpp
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@ -1251,7 +1251,9 @@ spa_libcamera_alloc_buffers(struct impl *impl, struct port *port,
}
const auto& planes = bufs[i]->planes();
spa_data *d = buffers[i]->datas;
for(uint32_t j = 0; j < buffers[i]->n_datas; ++j) {
d[j].type = port->memtype;
d[j].flags = SPA_DATA_FLAG_READABLE;
@ -1259,23 +1261,23 @@ spa_libcamera_alloc_buffers(struct impl *impl, struct port *port,
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();
unsigned int numPlanes = 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;
d[j].maxsize = planes[j].length;
d[j].chunk->offset = planes[j].offset;
d[j].chunk->size = planes[j].length;
} else {
d[j].chunk->offset = bufs[i]->planes()[j].offset;
d[j].chunk->offset = 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;
d[j].maxsize += planes[k].length;
d[j].chunk->size += 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;
d[j].maxsize = planes[j].length;
d[j].chunk->offset = planes[j].offset;
d[j].chunk->size = planes[j].length;
} else {
spa_log_warn(impl->log, "buffer index: i: %d, data member "
"numbers: %d is greater than plane number: %d",
@ -1288,7 +1290,7 @@ spa_libcamera_alloc_buffers(struct impl *impl, struct port *port,
if (port->memtype == SPA_DATA_DmaBuf ||
port->memtype == SPA_DATA_MemFd) {
d[j].flags |= SPA_DATA_FLAG_MAPPABLE;
d[j].fd = bufs[i]->planes()[j].fd.get();
d[j].fd = planes[j].fd.get();
spa_log_debug(impl->log, "Got fd = %" PRId64 " for buffer: #%d", d[j].fd, i);
d[j].data = nullptr;
} else {