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| author | Mike Lockwood <lockwood@android.com> | 2011-04-24 18:40:17 -0700 |
|---|---|---|
| committer | Mike Lockwood <lockwood@android.com> | 2011-04-25 17:40:33 -0700 |
| commit | 64000788211f4c7e78c80a4a155390d1316e1176 (patch) | |
| tree | 5cd67cc35f9df8ffcef27438430c6a087adfa69c /media/mtp/MtpDataPacket.cpp | |
| parent | c0502468a29aa2f2b3457e0e08c4a5650a70488d (diff) | |
| download | frameworks_av-64000788211f4c7e78c80a4a155390d1316e1176.zip frameworks_av-64000788211f4c7e78c80a4a155390d1316e1176.tar.gz frameworks_av-64000788211f4c7e78c80a4a155390d1316e1176.tar.bz2 | |
MTP: Implement GetThumb command
This allows the PC to access thumbnails in JPEG files over MTP/PTP
Bug: 3219495
Change-Id: I4964f8b4826dffb7f0f77464ec91bd2e97a2f007
Signed-off-by: Mike Lockwood <lockwood@android.com>
Diffstat (limited to 'media/mtp/MtpDataPacket.cpp')
| -rw-r--r-- | media/mtp/MtpDataPacket.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/media/mtp/MtpDataPacket.cpp b/media/mtp/MtpDataPacket.cpp index 0b0c80d..817eac0 100644 --- a/media/mtp/MtpDataPacket.cpp +++ b/media/mtp/MtpDataPacket.cpp @@ -388,6 +388,16 @@ int MtpDataPacket::writeDataHeader(int fd, uint32_t length) { int ret = ::write(fd, mBuffer, MTP_CONTAINER_HEADER_SIZE); return (ret < 0 ? ret : 0); } + +int MtpDataPacket::writeData(int fd, void* data, uint32_t length) { + MtpPacket::putUInt32(MTP_CONTAINER_LENGTH_OFFSET, length + MTP_CONTAINER_HEADER_SIZE); + MtpPacket::putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_DATA); + int ret = ::write(fd, mBuffer, MTP_CONTAINER_HEADER_SIZE); + if (ret == MTP_CONTAINER_HEADER_SIZE) + ret = ::write(fd, data, length); + return (ret < 0 ? ret : 0); +} + #endif // MTP_DEVICE #ifdef MTP_HOST |