diff options
Diffstat (limited to 'src/libcamera/v4l2_device.cpp')
| -rw-r--r-- | src/libcamera/v4l2_device.cpp | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp index 207ba933..ca6bb4ee 100644 --- a/src/libcamera/v4l2_device.cpp +++ b/src/libcamera/v4l2_device.cpp @@ -538,13 +538,12 @@ int V4L2Device::requestBuffers(unsigned int count) } /** - * \brief Request \a count buffers to be allocated from the device and stored in - * the buffer pool provided. - * \param[in] count Number of buffers to allocate + * \brief Request buffers to be allocated from the device and stored in the + * buffer pool provided. * \param[out] pool BufferPool to populate with buffers * \return 0 on success or a negative error code otherwise */ -int V4L2Device::exportBuffers(unsigned int count, BufferPool *pool) +int V4L2Device::exportBuffers(BufferPool *pool) { unsigned int allocatedBuffers; unsigned int i; @@ -552,21 +551,19 @@ int V4L2Device::exportBuffers(unsigned int count, BufferPool *pool) memoryType_ = V4L2_MEMORY_MMAP; - ret = requestBuffers(count); + ret = requestBuffers(pool->count()); if (ret < 0) return ret; allocatedBuffers = ret; - if (allocatedBuffers < count) { + if (allocatedBuffers < pool->count()) { LOG(V4L2, Error) << "Not enough buffers provided by V4L2Device"; requestBuffers(0); return -ENOMEM; } - count = ret; - /* Map the buffers. */ - for (i = 0; i < count; ++i) { + for (i = 0; i < pool->count(); ++i) { struct v4l2_plane planes[VIDEO_MAX_PLANES] = {}; struct v4l2_buffer buf = {}; struct Buffer &buffer = pool->buffers()[i]; |