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authorNick Hollinghurst <nick.hollinghurst@raspberrypi.com>2024-03-05 11:01:36 +0000
committerKieran Bingham <kieran.bingham@ideasonboard.com>2024-03-06 12:52:14 +0000
commitcaed5a551b9a1d590040e6aa92da56ffe5ff421e (patch)
treed6d248b9079a8f66324e9b92216460414dba4fcf
parenta63af956acb9966180d79366f02dc505222e07f0 (diff)
ipa: rpi: cam_helper: Extend embedded data parsing to RAW14 modes
Fix embedded data byte-skipping for 14-bit modes (4 out of 7 bytes carry register data), and allow 14-bit modes in IMX708 PDAF parsing. Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_imx708.cpp2
-rw-r--r--src/ipa/rpi/cam_helper/md_parser_smia.cpp11
2 files changed, 8 insertions, 5 deletions
diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
index dce39cd5..906c6fa2 100644
--- a/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
+++ b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
@@ -269,7 +269,7 @@ bool CamHelperImx708::parsePdafData(const uint8_t *ptr, size_t len,
{
size_t step = bpp >> 1; /* bytes per PDAF grid entry */
- if (bpp < 10 || bpp > 12 || len < 194 * step || ptr[0] != 0 || ptr[1] >= 0x40) {
+ if (bpp < 10 || bpp > 14 || len < 194 * step || ptr[0] != 0 || ptr[1] >= 0x40) {
LOG(IPARPI, Error) << "PDAF data in unsupported format";
return false;
}
diff --git a/src/ipa/rpi/cam_helper/md_parser_smia.cpp b/src/ipa/rpi/cam_helper/md_parser_smia.cpp
index 210787ed..c5b806d7 100644
--- a/src/ipa/rpi/cam_helper/md_parser_smia.cpp
+++ b/src/ipa/rpi/cam_helper/md_parser_smia.cpp
@@ -86,10 +86,13 @@ MdParserSmia::ParseStatus MdParserSmia::findRegs(libcamera::Span<const uint8_t>
while (1) {
int tag = buffer[currentOffset++];
- if ((bitsPerPixel_ == 10 &&
- (currentOffset + 1 - currentLineStart) % 5 == 0) ||
- (bitsPerPixel_ == 12 &&
- (currentOffset + 1 - currentLineStart) % 3 == 0)) {
+ /* Non-dummy bytes come in even-sized blocks: skip can only ever follow tag */
+ while ((bitsPerPixel_ == 10 &&
+ (currentOffset + 1 - currentLineStart) % 5 == 0) ||
+ (bitsPerPixel_ == 12 &&
+ (currentOffset + 1 - currentLineStart) % 3 == 0) ||
+ (bitsPerPixel_ == 14 &&
+ (currentOffset - currentLineStart) % 7 >= 4)) {
if (buffer[currentOffset++] != RegSkip)
return BadDummy;
}