void fillV4L2InputBuffer(struct v4l2_buffer& buf, const VideoFrameRawData& frame)
{
if (inputMemoryType == V4L2_MEMORY_USERPTR) {
uint32_t width[3];
uint32_t height[3];
uint32_t planes;
bool ret;
ret = getPlaneResolution(frame.fourcc, frame.width, frame.height, width, height, planes);
ASSERT(ret && "get planes resolution failed");
unsigned long data = (unsigned long)frame.handle;
for (uint32_t i = 0; i < planes; i++) {
buf.m.planes[i].bytesused = width[i] * height[i];
buf.m.planes[i].m.userptr = data + frame.offset[i];
}
}
#if ANDROID
else if (inputMemoryType == V4L2_MEMORY_ANDROID_BUFFER_HANDLE) {
// !!! FIXME, v4l2 use long for userptr. so bad
DEBUG("ANativeWindowBuffer->handle: %p", (void*)frame.handle);
buf.m.planes[0].m.userptr = (long)((intptr_t)frame.handle);
buf.m.planes[0].bytesused = sizeof(buf.m.planes[0].m.userptr);
}
#endif
else
ASSERT(0 && "unknown memory type");
}
bool VaapiImageRaw::copy(uint8_t* destBase, const uint32_t destOffsets[3], const uint32_t destPitches[3],
const uint8_t* srcBase, const uint32_t srcOffsets[3], const uint32_t srcPitches[3])
{
ASSERT(srcBase && destBase);
if (m_memoryType != VIDEO_DATA_MEMORY_TYPE_RAW_COPY)
return false;
uint32_t width[3];
uint32_t height[3];
uint32_t planes;
getPlaneResolution(width,height, planes);
return copy(destBase, destOffsets, destPitches, srcBase, srcOffsets, srcPitches, width, height, planes);
}
VideoFrameRawData* convert(VideoFrameRawData* frame)
{
if (frame->fourcc == m_destFourcc) {
//pass through
return frame;
}
assert(m_destFourcc == VA_FOURCC_I420 && frame->fourcc == VA_FOURCC_NV12);
uint32_t width[3];
uint32_t height[3];
uint32_t planes;
if (!getPlaneResolution(frame->fourcc, frame->width, frame->height, width, height, planes))
return NULL;
return NV12ToI420(frame, width, height);
}
bool VaapiImageRaw::copyFrom(const uint8_t* src, uint32_t size)
{
if (!src || !size)
return false;
uint32_t width[3];
uint32_t height[3];
uint32_t offset[3];
uint32_t off = 0;
uint32_t planes;
getPlaneResolution(width, height, planes);
for (int i = 0; i < planes; i++) {
offset[i] = off;
off += width[i] * height[i];
}
if (size != off)
return false;
VAImagePtr& image = m_image->m_image;
uint8_t* dest = reinterpret_cast<uint8_t*>(m_handle);
return copy(dest, image->offsets, image->pitches,
(uint8_t*)src, offset, width, width, height, planes);
}
