Add automatic detection of drm, fimc and mfc. Update dates

Signed-off-by: Mateusz Krawczuk <m.krawczuk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>

6 files changed, 298 insertions, 14 deletions

diff --git a/v4l2-mfc-example/args.c b/v4l2-mfc-example/args.c
index 3756001..bfb9f29 100644
--- a/v4l2-mfc-example/args.c
+++ b/v4l2-mfc-example/args.c
@@ -4,7 +4,7 @@
  *
  * Argument parser
  *
- * Copyright 2012 Samsung Electronics Co., Ltd.
+ * Copyright 2012 - 2015 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,11 +25,13 @@
 #include <string.h>
 #include <unistd.h>
 #include <linux/videodev2.h>
+#include <sys/ioctl.h>
+#include <glob.h>
+#include <fcntl.h>
 
 #include "common.h"
 #include "parser.h"
 
-
 void print_usage(char *name)
 {
 	// "d:f:i:m:c:V"
@@ -41,6 +43,7 @@ void print_usage(char *name)
 	printf("\t-f <device> - FIMC device (e.g. /dev/video4)\n");
 	printf("\t-i <file> - Input file name\n");
 	printf("\t-m <device> - MFC device (e.g. /dev/video8)\n");
+	printf("\t-A Autodetect mode \n");
 	printf("\t-D <module>:<crtc>:<conn> - DRM module (e.g. exynos:4:17)\n");
 	printf("\t-B - use DMABUF instead of userptr for sharing buffers\n");
 	printf("\t-V - synchronise to vsync\n");
@@ -51,6 +54,70 @@ void print_usage(char *name)
 	printf("\n");
 }
 
+static int read_file(char const *name, char *buf, int len)
+{
+	int fd;
+	int ret;
+
+	fd = open(name, O_RDONLY);
+	if (fd < 0)
+		return fd;
+	ret = read(fd, buf, len);
+	if (ret > 0 && ret < len)
+		buf[buf[ret - 1] == '\n' ? ret - 1 : ret] = 0;
+	close(fd);
+
+	return ret >= 0 ? 0 : ret;
+}
+
+int detect_video(struct instance *i)
+{
+	char buf[256];
+	glob_t gb;
+	int ret, g, ndigits;
+	static char dev_prefix[] = "/dev/video";
+
+	ret = glob("/sys/class/video4linux/video*/name", 0, NULL, &gb);
+	if (ret != 0)
+		return ret;
+
+	for (g = 0; g < gb.gl_pathc; ++g) {
+		ret = read_file(gb.gl_pathv[g], buf, sizeof buf);
+		if (ret != 0)
+			goto finish;
+		printf("Name:\t\t '%s'\n", buf);
+
+		if (!strcmp("fimc.0.m2m", buf)) {
+			i->fimc.name=(char *) malloc(100);
+			strcpy(i->fimc.name, dev_prefix);
+			ndigits = strlen(gb.gl_pathv[g]) - sizeof "/sys/class/video4linux/video/name" + 1;
+			strncat(i->fimc.name, gb.gl_pathv[g] + sizeof "/sys/class/video4linux/video" - 1, ndigits);
+			printf("Name:\t\t '%s'\n", i->fimc.name);
+		}
+		if (!strcmp("s5p-mfc-dec", buf)) {
+			i->mfc.name=(char *) malloc(100);
+			strcpy(i->mfc.name, dev_prefix);
+			ndigits = strlen(gb.gl_pathv[g]) - sizeof "/sys/class/video4linux/video/name" + 1;
+			strncat(i->mfc.name, gb.gl_pathv[g] + sizeof "/sys/class/video4linux/video" - 1, ndigits);
+			printf("Name:\t\t '%s'\n", i->mfc.name);
+		}
+	}
+
+	if (g == gb.gl_pathc) {
+		ret = -1;
+		goto finish;
+	}
+
+finish:
+	globfree(&gb);
+	return ret;
+
+
+}
+
+
+
+
 void init_to_defaults(struct instance *i)
 {
 	memset(i, 0, sizeof(*i));
@@ -81,7 +148,7 @@ int parse_args(struct instance *i, int argc, char **argv)
 
 	init_to_defaults(i);
 
-	while ((c = getopt(argc, argv, "c:d:f:i:m:VXD:B")) != -1) {
+	while ((c = getopt(argc, argv, "c:d:f:i:m:VXAD:B")) != -1) {
 		switch (c) {
 		case 'c':
 			i->parser.codec = get_codec(optarg);
@@ -109,6 +176,13 @@ int parse_args(struct instance *i, int argc, char **argv)
 		case 'B':
 			i->fimc.dmabuf = 1;
 			break;
+		case 'A':
+			detect_video(i);
+			i->drm.autodetect = 1;
+			i->drm.enabled = 1;
+			i->fimc.dmabuf = 1;
+			i->fimc.enabled = 1;
+			break;
 		case 'D':
 			/* Name */
 			tmp = optarg;
diff --git a/v4l2-mfc-example/common.h b/v4l2-mfc-example/common.h
index 3b3e5a3..5d9cd3d 100644
--- a/v4l2-mfc-example/common.h
+++ b/v4l2-mfc-example/common.h
@@ -4,7 +4,7 @@
  *
  * Common stuff header file
  *
- * Copyright 2012 Samsung Electronics Co., Ltd.
+ * Copyright 2012 - 2015 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -117,6 +117,7 @@ struct instance {
 
 		char *p[MAX_BUFS];
 
+		unsigned int autodetect;
 		unsigned int conn_id;
 		unsigned int crtc_id;
 #ifdef DRM
diff --git a/v4l2-mfc-example/drm.c b/v4l2-mfc-example/drm.c
index b60b439..16d9ee5 100644
--- a/v4l2-mfc-example/drm.c
+++ b/v4l2-mfc-example/drm.c
@@ -4,7 +4,7 @@
  *
  * DRM operations
  *
- * Copyright 2014 Samsung Electronics Co., Ltd.
+ * Copyright 2014 - 2015 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,6 +30,24 @@
 #include "common.h"
 #include "drm.h"
 #include <string.h>
+#include <errno.h>
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+struct type_name {
+	int type;
+	char *name;
+};
+
+#define type_name_fn(res) \
+char * res##_str(int type) {			\
+	int i;						\
+	for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
+		if (res##_names[i].type == type)	\
+			return res##_names[i].name;	\
+	}						\
+	return "(invalid)";				\
+}
 
 #ifdef DRM
 
@@ -37,9 +55,54 @@
 #include <xf86drmMode.h>
 #include <exynos_drm.h>
 
-int drm_open(struct instance *i, char *name)
+struct type_name encoder_type_names[] = {
+	{ DRM_MODE_ENCODER_NONE, "none" },
+	{ DRM_MODE_ENCODER_DAC, "DAC" },
+	{ DRM_MODE_ENCODER_TMDS, "TMDS" },
+	{ DRM_MODE_ENCODER_LVDS, "LVDS" },
+	{ DRM_MODE_ENCODER_TVDAC, "TVDAC" },
+};
+
+type_name_fn(encoder_type)
+
+struct type_name connector_status_names[] = {
+	{ DRM_MODE_CONNECTED, "connected" },
+	{ DRM_MODE_DISCONNECTED, "disconnected" },
+	{ DRM_MODE_UNKNOWNCONNECTION, "unknown" },
+};
+
+type_name_fn(connector_status)
+
+struct type_name connector_type_names[] = {
+	{ DRM_MODE_CONNECTOR_Unknown, "unknown" },
+	{ DRM_MODE_CONNECTOR_VGA, "VGA" },
+	{ DRM_MODE_CONNECTOR_DVII, "DVI-I" },
+	{ DRM_MODE_CONNECTOR_DVID, "DVI-D" },
+	{ DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
+	{ DRM_MODE_CONNECTOR_Composite, "composite" },
+	{ DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
+	{ DRM_MODE_CONNECTOR_LVDS, "LVDS" },
+	{ DRM_MODE_CONNECTOR_Component, "component" },
+	{ DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
+	{ DRM_MODE_CONNECTOR_DisplayPort, "displayport" },
+	{ DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
+	{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
+	{ DRM_MODE_CONNECTOR_TV, "TV" },
+	{ DRM_MODE_CONNECTOR_eDP, "embedded displayport" },
+};
+
+type_name_fn(connector_type)
+
+
+int dump_encoders(struct instance *i);
+int dump_connectors(struct instance *i);
+int dump_crtcs(struct instance *i);
+int dump_framebuffers(struct instance *i);
+
+int drm_open(struct instance *i)
 {
 	char mode[32];
+	char *name = "exynos";
 	drmModeCrtc *crtc;
 	struct drm_gem_close args;
 	drmModeConnector *connector;
@@ -58,7 +121,12 @@ int drm_open(struct instance *i, char *name)
 	}
 
 	i->drm.resources = drmModeGetResources(i->drm.fd);
-
+	if(i->drm.autodetect) {
+		i->drm.crtc_id = dump_crtcs(i);
+		i->drm.conn_id=dump_connectors(i);
+	}
+	printf("Conn_id:%i \n",i->drm.conn_id);
+	printf("Crtc_id:%i \n",i->drm.crtc_id);
 	crtc = drmModeGetCrtc(i->drm.fd, i->drm.crtc_id);
 	if (!crtc) {
 		err("Failed to get crtc: %d", i->drm.crtc_id);
@@ -116,6 +184,7 @@ int drm_open(struct instance *i, char *name)
 
 	snprintf(mode, 32, "%dx%d", crtc->width, crtc->height);
 
+
 	connector = drmModeGetConnector(i->drm.fd, i->drm.conn_id);
 	if (!connector || connector->connector_id != i->drm.conn_id) {
 		err("Couldn't find the connector");
@@ -164,9 +233,136 @@ void drm_close(struct instance *i)
 	drmClose(i->drm.fd);
 }
 
+int dump_encoders(struct instance *i)
+{
+	drmModeEncoder *encoder;
+	int j;
+
+	printf("Encoders:\n");
+	printf("id\tcrtc\ttype\tpossible crtcs\tpossible clones\t\n");
+	for (j = 0; j < i->drm.resources->count_encoders; j++) {
+		encoder = drmModeGetEncoder(i->drm.fd, i->drm.resources->encoders[j]);
+
+		if (!encoder) {
+			fprintf(stderr, "could not get encoder %i: %s\n",
+				i->drm.resources->encoders[j], strerror(errno));
+			continue;
+		}
+		printf("%d\t%d\t%s\t0x%08x\t0x%08x\n",
+		       encoder->encoder_id,
+		       encoder->crtc_id,
+		       encoder_type_str(encoder->encoder_type),
+		       encoder->possible_crtcs,
+		       encoder->possible_clones);
+		drmModeFreeEncoder(encoder);
+	}
+	printf("\n");
+
+	return 0;
+}
+
+int dump_connectors(struct instance *i)
+{
+	drmModeConnector *connector;
+	int g , j;
+
+	printf("Connectors:\n");
+	printf("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\tencoders\n");
+	for (g = 0; g < i->drm.resources->count_connectors; g++) {
+		connector = drmModeGetConnector(i->drm.fd, i->drm.resources->connectors[g]);
+
+		if (!connector) {
+			fprintf(stderr, "could not get connector %i: %s\n",
+				i->drm.resources->connectors[g], strerror(errno));
+			continue;
+		}
+
+		printf("%d\t%d\t%s\t%s\t%dx%d\t\t%d\t",
+		       connector->connector_id,
+		       connector->encoder_id,
+		       connector_status_str(connector->connection),
+		       connector_type_str(connector->connector_type),
+		       connector->mmWidth, connector->mmHeight,
+		       connector->count_modes);
+
+		for (j = 0; j < connector->count_encoders; j++)
+			printf("%s%d", j > 0 ? ", " : "",
+							connector->encoders[j]);
+		printf("\n");
+
+		if (!connector->count_modes)
+			continue;
+
+		printf("  modes:\n");
+		printf("  name refresh (Hz) hdisp hss hse htot vdisp "
+		       "vss vse vtot)\n");
+		printf("  props:\n");
+	return connector->connector_id;
+
+		drmModeFreeConnector(connector);
+	}
+	printf("\n");
+
+	return 0;
+}
+
+int dump_crtcs(struct instance *i)
+{
+	drmModeCrtc *crtc;
+	int j,ret;
+
+	printf("CRTCs:\n");
+	printf("id\tfb\tpos\tsize\n");
+	for (j = 0; j < i->drm.resources->count_crtcs; j++) {
+		crtc = drmModeGetCrtc(i->drm.fd, i->drm.resources->crtcs[j]);
+
+		if (!crtc) {
+			fprintf(stderr, "could not get crtc %i: %s\n",
+				i->drm.resources->crtcs[j], strerror(errno));
+			continue;
+		}
+		ret = crtc->crtc_id;
+		printf("%d\t%d\t(%d,%d)\t(%dx%d)\n",
+			crtc->crtc_id,
+			crtc->buffer_id,
+			crtc->x, crtc->y,
+			crtc->width, crtc->height);
+		drmModeFreeCrtc(crtc);
+	}
+	printf("%i %i \n",crtc->crtc_id, ret);
+	return ret;
+}
+
+int dump_framebuffers(struct instance *i)
+{
+	drmModeFB *fb;
+	int j;
+
+	printf("Frame buffers:\n");
+	printf("id\tsize\tpitch\n");
+	for (j = 0; j < i->drm.resources->count_fbs; j++) {
+		fb = drmModeGetFB(i->drm.fd, i->drm.resources->fbs[j]);
+
+		if (!fb) {
+			fprintf(stderr, "could not get fb %i: %s\n",
+				i->drm.resources->fbs[j], strerror(errno));
+			continue;
+		}
+		printf("%u\t(%ux%u)\t%u\n",
+			fb->fb_id,
+			fb->width, fb->height,
+			fb->pitch);
+
+		drmModeFreeFB(fb);
+	}
+	printf("\n");
+
+	return 0;
+}
+
 #else /* DRM */
 
-int drm_open(struct instance *i, char *name)
+int drm_open(struct instance *i)
 {
 	return 0;
 };
diff --git a/v4l2-mfc-example/drm.h b/v4l2-mfc-example/drm.h
index 1cd31e4..ab2e4f0 100644
--- a/v4l2-mfc-example/drm.h
+++ b/v4l2-mfc-example/drm.h
@@ -4,7 +4,7 @@
  *
  * DRM operations header file
  *
- * Copyright 2014 Samsung Electronics Co., Ltd.
+ * Copyright 2014 - 2015 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,10 +26,22 @@
 #ifdef DRM
 
 /* Open and mmap DRM buffer. Also read its properties */
-int	drm_open(struct instance *i, char *name);
+int	drm_open(struct instance *i);
 /* Unmap and close the buffer */
 void	drm_close(struct instance *i);
 
+struct connector {
+	uint32_t id;
+	char mode_str[64];
+	drmModeModeInfo *mode;
+	drmModeEncoder *encoder;
+	int crtc;
+	unsigned int fb_id[2], current_fb_id;
+	struct timeval start;
+
+	int swap_count;
+};
+
 #endif /* DRM */
 
 #endif /* INCLUDE_DRM_H */
diff --git a/v4l2-mfc-example/main.c b/v4l2-mfc-example/main.c
index 6453c07..d3c32e3 100644
--- a/v4l2-mfc-example/main.c
+++ b/v4l2-mfc-example/main.c
@@ -4,7 +4,7 @@
  *
  * Main file of the application
  *
- * Copyright 2012 Samsung Electronics Co., Ltd.
+ * Copyright 2012 - 2015 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -439,7 +439,7 @@ int main(int argc, char **argv)
 
 	printf("V4L2 Codec decoding example application\n");
 	printf("Kamil Debski <k.debski@samsung.com>\n");
-	printf("Copyright 2012-2014 Samsung Electronics Co., Ltd.\n\n");
+	printf("Copyright 2012-2015 Samsung Electronics Co., Ltd.\n\n");
 
 	if (parse_args(&inst, argc, argv)) {
 		print_usage(argv[0]);
@@ -459,7 +459,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
-	if (inst.drm.enabled && drm_open(&inst, inst.drm.name)) {
+	if (inst.drm.enabled && drm_open(&inst)) {
 		cleanup(&inst);
 		return 1;
 	}
diff --git a/v4l2-mfc-example/parser.c b/v4l2-mfc-example/parser.c
index 4fd84db..972cdfc 100644
--- a/v4l2-mfc-example/parser.c
+++ b/v4l2-mfc-example/parser.c
@@ -4,7 +4,7 @@
  *
  * Really simple stream parser file
  *
- * Copyright 2012 Samsung Electronics Co., Ltd.
+ * Copyright 2012 - 2015 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -334,6 +334,7 @@ int parse_h264_stream(
 
 	if (ctx->got_start) {
 		if (out_size < frame_length) {
+			printf("out_size: %i frame_length: %i\n", out_size, frame_length);
 			err("Output buffer too small for current frame");
 			return 0;
 		}