packages/libs/libv4l/patches/002-allow-disabling-libjpeg.patch

--- a/lib/libv4lconvert/Makefile
+++ b/lib/libv4lconvert/Makefile
@@ -1,6 +1,6 @@
 override CPPFLAGS += -I../include -fvisibility=hidden
 
-LIBS_libv4lconvert = -lrt -lm -ljpeg
+LIBS_libv4lconvert = -lrt -lm
 
 ifeq ($(LINKTYPE),static)
 CONVERT_LIB   = libv4lconvert.a
@@ -10,16 +10,22 @@ override CPPFLAGS += -fPIC
 endif
 
 CONVERT_OBJS  = libv4lconvert.o tinyjpeg.o sn9c10x.o sn9c20x.o pac207.o \
-		jl2005bcd.o \
 		mr97310a.o flip.o crop.o jidctflt.o spca561-decompress.o \
 		rgbyuv.o sn9c2028-decomp.o spca501.o sq905c.o bayer.o hm12.o \
-		stv0680.o cpia1.o se401.o jpgl.o jpeg.o jpeg_memsrcdest.o \
+		stv0680.o cpia1.o se401.o jpgl.o jpeg.o \
 		control/libv4lcontrol.o processing/libv4lprocessing.o \
 		processing/whitebalance.o processing/autogain.o \
 		processing/gamma.o helper.o
 TARGETS       = $(CONVERT_LIB) libv4lconvert.pc ov511-decomp ov518-decomp
 INCLUDES      = ../include/libv4lconvert.h
 
+ifeq ($(DISABLE_LIBJPEG),1)
+override CFLAGS += -DDISABLE_LIBJPEG
+else
+LIBS_libv4lconvert += -ljpeg
+CONVERT_OBJS += jl2005bcd.o jpeg_memsrcdest.o
+endif
+
 override CPPFLAGS += -DLIBDIR=\"$(LIBDIR)\" -DLIBSUBDIR=\"$(LIBSUBDIR)\"
 
 all: $(TARGETS)
--- a/lib/libv4lconvert/jpeg.c
+++ b/lib/libv4lconvert/jpeg.c
@@ -19,7 +19,9 @@
 #include <errno.h>
 #include <stdlib.h>
 #include "libv4lconvert-priv.h"
+#ifndef DISABLE_LIBJPEG
 #include "jpeg_memsrcdest.h"
+#endif
 
 int v4lconvert_decode_jpeg_tinyjpeg(struct v4lconvert_data *data,
 	unsigned char *src, int src_size, unsigned char *dest,
@@ -107,6 +109,8 @@ int v4lconvert_decode_jpeg_tinyjpeg(stru
 	return 0;
 }
 
+#ifndef DISABLE_LIBJPEG
+
 static void jerr_error_exit(j_common_ptr cinfo)
 {
 	struct v4lconvert_data *data = cinfo->client_data;
@@ -405,3 +409,6 @@ int v4lconvert_decode_jpeg_libjpeg(struc
 
 	return result;
 }
+
+#endif
+
--- a/lib/libv4lconvert/libv4lconvert-priv.h
+++ b/lib/libv4lconvert/libv4lconvert-priv.h
@@ -22,7 +22,9 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <sys/types.h>
+#ifndef DISABLE_LIBJPEG
 #include <jpeglib.h>
+#endif
 #include <setjmp.h>
 #include "libv4lconvert.h"
 #include "control/libv4lcontrol.h"
@@ -50,11 +52,13 @@ struct v4lconvert_data {
 	int64_t supported_src_formats; /* bitfield */
 	char error_msg[V4LCONVERT_ERROR_MSG_SIZE];
 	struct jdec_private *tinyjpeg;
+#ifndef DISABLE_LIBJPEG
 	struct jpeg_error_mgr jerr;
 	int jerr_errno;
 	jmp_buf jerr_jmp_state;
 	struct jpeg_decompress_struct cinfo;
 	int cinfo_initialized;
+#endif
 	struct v4l2_frmsizeenum framesizes[V4LCONVERT_MAX_FRAMESIZES];
 	unsigned int no_framesizes;
 	int bandwidth;
--- a/lib/libv4lconvert/libv4lconvert.c
+++ b/lib/libv4lconvert/libv4lconvert.c
@@ -78,7 +78,9 @@ static const struct v4lconvert_pixfmt su
 	{ V4L2_PIX_FMT_SN9C2028,	 0,	 9,	 9,	1 },
 	{ V4L2_PIX_FMT_PAC207,		 0,	 9,	 9,	1 },
 	{ V4L2_PIX_FMT_MR97310A,	 0,	 9,	 9,	1 },
+#ifndef DISABLE_LIBJPEG
 	{ V4L2_PIX_FMT_JL2005BCD,	 0,	 9,	 9,	1 },
+#endif
 	{ V4L2_PIX_FMT_SQ905C,		 0,	 9,	 9,	1 },
 	/* special */
 	{ V4L2_PIX_FMT_SE401,		 0,	 8,	 9,	1 },
@@ -186,8 +188,10 @@ void v4lconvert_destroy(struct v4lconver
 		tinyjpeg_set_components(data->tinyjpeg, comps, 3);
 		tinyjpeg_free(data->tinyjpeg);
 	}
+#ifndef DISABLE_LIBJPEG
 	if (data->cinfo_initialized)
 		jpeg_destroy_decompress(&data->cinfo);
+#endif
 	v4lconvert_helper_cleanup(data);
 	free(data->convert1_buf);
 	free(data->convert2_buf);
@@ -634,10 +638,13 @@ static int v4lconvert_convert_pixfmt(str
 	/* JPG and variants */
 	case V4L2_PIX_FMT_MJPEG:
 	case V4L2_PIX_FMT_JPEG:
+#ifndef DISABLE_LIBJPEG
 		if (data->flags & V4LCONVERT_USE_TINYJPEG) {
+#endif
 			result = v4lconvert_decode_jpeg_tinyjpeg(data,
 							src, src_size, dest,
 							fmt, dest_pix_fmt, 0);
+#ifndef DISABLE_LIBJPEG
 		} else {
 			result = v4lconvert_decode_jpeg_libjpeg(data,
 							src, src_size, dest,
@@ -652,6 +659,7 @@ static int v4lconvert_convert_pixfmt(str
 							fmt, dest_pix_fmt, 0);
 			}
 		}
+#endif
 		break;
 	case V4L2_PIX_FMT_PJPG:
 		result = v4lconvert_decode_jpeg_tinyjpeg(data, src, src_size,
@@ -777,7 +785,9 @@ static int v4lconvert_convert_pixfmt(str
 	case V4L2_PIX_FMT_SN9C10X:
 	case V4L2_PIX_FMT_PAC207:
 	case V4L2_PIX_FMT_MR97310A:
+#ifndef DISABLE_LIBJPEG
 	case V4L2_PIX_FMT_JL2005BCD:
+#endif
 	case V4L2_PIX_FMT_SN9C2028:
 	case V4L2_PIX_FMT_SQ905C:
 	case V4L2_PIX_FMT_STV0680: { /* Not compressed but needs some shuffling */
@@ -816,6 +826,7 @@ static int v4lconvert_convert_pixfmt(str
 			}
 			tmpfmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8;
 			break;
+#ifndef DISABLE_LIBJPEG
 		case V4L2_PIX_FMT_JL2005BCD:
 			if (v4lconvert_decode_jl2005bcd(data, src, src_size,
 							tmpbuf,
@@ -826,6 +837,7 @@ static int v4lconvert_convert_pixfmt(str
 			}
 			tmpfmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SRGGB8;
 			break;
+#endif
 		case V4L2_PIX_FMT_SN9C2028:
 			v4lconvert_decode_sn9c2028(src, tmpbuf, width, height);
 			tmpfmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8;