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Avoid using LFS64 interfaces with Musl

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This commit is contained in:
Cameron Gutman 2023-09-18 20:07:56 -05:00
commit 654be492a0
3 changed files with 10 additions and 6 deletions
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4
app/streaming/video/ffmpeg-renderers/drm.cpp
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@ -746,7 +746,11 @@ bool DrmRenderer::mapSoftwareFrame(AVFrame *frame, AVDRMFrameDescriptor *mappedF
// This leads to issues when DRM_IOCTL_MODE_MAP_DUMB returns a > 4GB offset. The high bits are
// chopped off when passed via the normal mmap() call using 32-bit off_t. We avoid this issue
// by explicitly calling mmap64() to ensure the 64-bit offset is never truncated.
#if defined(__GLIBC__) && QT_POINTER_SIZE == 4
drmFrame->mapping = (uint8_t*)mmap64(nullptr, drmFrame->size, PROT_WRITE, MAP_SHARED, m_DrmFd, mapBuf.offset);
#else
drmFrame->mapping = (uint8_t*)mmap(nullptr, drmFrame->size, PROT_WRITE, MAP_SHARED, m_DrmFd, mapBuf.offset);
#endif
if (drmFrame->mapping == MAP_FAILED) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"mmap() failed for dumb buffer: %d",