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authorEd Rogalsky <ed.rogalsky@googlemail.com>2014-03-02 16:56:15 (GMT)
committerEd Rogalsky <ed.rogalsky@googlemail.com>2014-03-02 16:56:15 (GMT)
commit8fd72a344483e436b396a1c288221a6e2f311dde (patch)
tree85e26caaa46f7149abb6985570648635e9c9a1a7
parent22f6ea68f792beba8a78cfa1b99cf7fc7bc40649 (diff)
jogshuttle: decode events with mediactrl
mediactrl: taken from kino project (Dan Dennedys jogshuttle decoder) this is the first playing version. code cleanup and refactoring has to be done
-rw-r--r--src/jogshuttle.cpp64
-rw-r--r--src/jogshuttle.h7
-rw-r--r--src/lib/external/CMakeLists.txt1
-rw-r--r--src/lib/external/media_ctrl/CMakeLists.txt18
-rw-r--r--src/lib/external/media_ctrl/mediactrl.c444
-rw-r--r--src/lib/external/media_ctrl/mediactrl.h156
6 files changed, 678 insertions, 12 deletions
diff --git a/src/jogshuttle.cpp b/src/jogshuttle.cpp
index 73985e5..00b0c79 100644
--- a/src/jogshuttle.cpp
+++ b/src/jogshuttle.cpp
@@ -88,35 +88,38 @@ bool ShuttleThread::isWorking()
void ShuttleThread::run()
{
kDebug() << "------- STARTING SHUTTLE: " << m_device;
+ struct media_ctrl mc;
+ media_ctrl_open2(&mc, m_device.toUtf8().data());
- /* open file descriptor */
- const int fd = KDE_open((char *) m_device.toUtf8().data(), O_RDONLY);
- if (fd < 0) {
+ /* open file descriptor */
+ //const int fd = KDE_open((char *) m_device.toUtf8().data(), O_RDONLY);
+ if (mc.fd < 0) {
perror("Can't open Jog Shuttle FILE DESCRIPTOR");
return;
}
EV ev[64];
-
+#if 0
if (ioctl(fd, EVIOCGRAB, 1) < 0) {
fprintf(stderr, "Can't get exclusive access on Jog Shuttle FILE DESCRIPTOR\n");
close(fd);
return;
}
+#endif
fd_set readset;
struct timeval timeout;
int num_warnings = 0, readResult = 0;
int result, iof = -1;
-
+#if 0
/* get fd settings */
if ((iof = fcntl(fd, F_GETFL, 0)) == -1) {
fprintf(stderr, "Can't get Jog Shuttle file status\n");
close(fd);
return;
}
-
+#endif
#if 0
else if (fcntl(fd, F_SETFL, iof | O_NONBLOCK) == -1) {
fprintf(stderr, "Can't set Jog Shuttle FILE DESCRIPTOR to O_NONBLOCK and stop thread\n");
@@ -124,19 +127,20 @@ void ShuttleThread::run()
return;
}
#endif
+ struct media_ctrl_event mev;
/* enter thread loop */
while (!stop_me) {
/* reset the read set */
FD_ZERO(&readset);
- FD_SET(fd, &readset);
+ FD_SET(mc.fd, &readset);
/* reinit the timeout structure */
timeout.tv_sec = 0;
timeout.tv_usec = 400000; /* 400 ms */
/* do select in blocked mode and wake up after timeout for eval stop_me */
- result = select(fd+1, &readset, NULL, NULL, &timeout);
+ result = select(mc.fd+1, &readset, NULL, NULL, &timeout);
/* see if there was an error or timeout else process event */
if (result < 0 && errno == EINTR) {
@@ -152,9 +156,14 @@ void ShuttleThread::run()
/* do nothing. reserved for future purposes */
} else {
/* we have input */
- if (FD_ISSET(fd, &readset)) {
+ if (FD_ISSET(mc.fd, &readset)) {
/* read input */
- readResult = read(fd, ev, sizeof(EV) * 64);
+ mev.type = MEDIA_CTRL_EVENT_NONE;
+ //readResult = read(fd, ev, sizeof(EV) * 64);
+ media_ctrl_read_event(&mc, &mev);
+ /* process event */
+ handle_event(mev);
+#if 0
if (readResult < 0) {
if (num_warnings % 10000 == 0) {
/* if device is not available anymore - dead or disconnected */
@@ -185,13 +194,25 @@ void ShuttleThread::run()
handle_event(ev[i]);
}
}
+#endif
}
}
}
kDebug() << "------- STOPPING SHUTTLE: ";
/* close the handle and return thread */
- close(fd);
+ //close(fd);
+ media_ctrl_close(&mc);
+}
+
+void ShuttleThread::handle_event(struct media_ctrl_event ev)
+{
+ if (ev.type == MEDIA_CTRL_EVENT_KEY)
+ key(ev);
+ else if (ev.type == MEDIA_CTRL_EVENT_JOG)
+ jog(ev);
+ else if (ev.type == MEDIA_CTRL_EVENT_SHUTTLE)
+ shuttle(ev);
}
void ShuttleThread::handle_event(EV ev)
@@ -209,6 +230,14 @@ void ShuttleThread::handle_event(EV ev)
}
}
+void ShuttleThread::key(struct media_ctrl_event ev)
+{
+ if (ev.value == KEY_PRESS) {
+ int code = ev.index + 1;
+ QApplication::postEvent(m_parent, new QEvent((QEvent::Type)(KEY_EVENT_OFFSET + code)));
+ }
+}
+
void ShuttleThread::key(unsigned short code, unsigned int value)
{
if (value == 0) {
@@ -226,6 +255,11 @@ void ShuttleThread::key(unsigned short code, unsigned int value)
}
+void ShuttleThread::shuttle(struct media_ctrl_event ev)
+{
+ QApplication::postEvent(m_parent, new QEvent((QEvent::Type) (JOG_STOP + (ev.value/2))));
+}
+
void ShuttleThread::shuttle(int value)
{
//gettimeofday( &last_shuttle, 0 );
@@ -245,6 +279,14 @@ void ShuttleThread::shuttle(int value)
QApplication::postEvent(m_parent, new QEvent((QEvent::Type) (JOG_STOP + value)));
}
+void ShuttleThread::jog(struct media_ctrl_event ev)
+{
+ if (ev.value < 0)
+ QApplication::postEvent(m_parent, new QEvent((QEvent::Type) JOG_BACK1));
+ else if (ev.value > 0)
+ QApplication::postEvent(m_parent, new QEvent((QEvent::Type) JOG_FWD1));
+}
+
void ShuttleThread::jog(unsigned int value)
{
// generate a synthetic event for the shuttle going
diff --git a/src/jogshuttle.h b/src/jogshuttle.h
index d1cf185..dbcd179 100644
--- a/src/jogshuttle.h
+++ b/src/jogshuttle.h
@@ -26,7 +26,8 @@
#include <QMap>
#include <linux/input.h>
-
+#include <sys/time.h>
+#include "lib/external/media_ctrl/mediactrl.h"
typedef struct input_event EV;
@@ -47,9 +48,13 @@ public:
private:
bool m_isWorking;
void handle_event(EV ev);
+ void handle_event(struct media_ctrl_event ev);
+ void jog(struct media_ctrl_event ev);
void jog(unsigned int value);
void shuttle(int value);
+ void shuttle(struct media_ctrl_event ev);
void key(unsigned short code, unsigned int value);
+ void key(struct media_ctrl_event ev);
};
typedef QMap<QString, QString> DeviceMap;
diff --git a/src/lib/external/CMakeLists.txt b/src/lib/external/CMakeLists.txt
index 978e5a6..066bd4d 100644
--- a/src/lib/external/CMakeLists.txt
+++ b/src/lib/external/CMakeLists.txt
@@ -1,5 +1,6 @@
add_subdirectory(kiss_fft)
+add_subdirectory(media_ctrl)
set(kdenlive_SRCS
${kdenlive_SRCS}
diff --git a/src/lib/external/media_ctrl/CMakeLists.txt b/src/lib/external/media_ctrl/CMakeLists.txt
new file mode 100644
index 0000000..6de4a0c
--- /dev/null
+++ b/src/lib/external/media_ctrl/CMakeLists.txt
@@ -0,0 +1,18 @@
+set(kdenlive_SRCS
+ ${kdenlive_SRCS}
+ lib/external/media_ctrl/mediactrl.h
+ lib/external/media_ctrl/mediactrl.c
+ PARENT_SCOPE
+)
+
+
+# Create a static library from kiss_fft
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --std=c99")
+include_directories(
+ ${CMAKE_BINARY_DIR}
+)
+add_library(media_ctrl STATIC
+ mediactrl.h
+ mediactrl.c
+)
diff --git a/src/lib/external/media_ctrl/mediactrl.c b/src/lib/external/media_ctrl/mediactrl.c
new file mode 100644
index 0000000..4ca6527
--- /dev/null
+++ b/src/lib/external/media_ctrl/mediactrl.c
@@ -0,0 +1,444 @@
+/*
+* mediactrl.c -- Jog Shuttle device support
+* Copyright (C) 2001-2007 Dan Dennedy <dan@dennedy.org>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software Foundation,
+* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <asm/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+
+#include <linux/input.h>
+#include "mediactrl.h"
+
+
+static char *_shuttle_name = "Shuttle";
+static char *_jog_name = "Jog";
+
+/*
+ ShuttlePro keys
+*/
+static struct media_ctrl_key mc_shuttle_pro_keys[] = {
+ { 0x100, "Button 1", MEDIA_CTRL_F1 },
+ { 0x101, "Button 2", MEDIA_CTRL_F2 },
+ { 0x102, "Button 3", MEDIA_CTRL_F3 },
+ { 0x103, "Button 4", MEDIA_CTRL_F4 },
+ { 0x104, "Button 5", MEDIA_CTRL_B4 },
+ { 0x105, "Button 6", MEDIA_CTRL_B2 },
+ { 0x106, "Button 7", MEDIA_CTRL_B1 },
+ { 0x107, "Button 8", MEDIA_CTRL_B3 },
+ { 0x108, "Button 9", MEDIA_CTRL_B5 },
+ { 0x109, "Button 10", MEDIA_CTRL_B6 },
+ { 0x10a, "Button 11", MEDIA_CTRL_B7 },
+ { 0x10b, "Button 12", MEDIA_CTRL_B8 },
+ { 0x10c, "Button 13", MEDIA_CTRL_B9 },
+ { 0, NULL, 0 }
+};
+
+
+/*
+ ShuttleXPress keys
+*/
+static struct media_ctrl_key _mc_shuttle_xpress_keys[] = {
+ { 0x104, "Button B4", MEDIA_CTRL_B4 },
+ { 0x105, "Button B2", MEDIA_CTRL_B2 },
+ { 0x106, "Button B1", MEDIA_CTRL_B1 },
+ { 0x107, "Button B3", MEDIA_CTRL_B3 },
+ { 0x108, "Button B5", MEDIA_CTRL_B5 },
+ { 0, NULL, 0 }
+};
+
+static struct media_ctrl_key mc_shuttle_xpress_keys[] = {
+ { 0x104, "Button B1", MEDIA_CTRL_B1},
+ { 0x105, "Button B2", MEDIA_CTRL_B2 },
+ { 0x106, "Button B3", MEDIA_CTRL_B3 },
+ { 0x107, "Button B4", MEDIA_CTRL_B4 },
+ { 0x108, "Button B5", MEDIA_CTRL_B5 },
+ { 0, NULL, 0 }
+};
+
+
+
+/*
+ JLCooper MCS3 Keys
+*/
+static struct media_ctrl_key mc_jlcooper_mcs3_keys[] = {
+ { 0x107, "F1", MEDIA_CTRL_F1 },
+ { 0x101, "F2", MEDIA_CTRL_F2 },
+ { 0x105, "F3", MEDIA_CTRL_F3 },
+ { 0x102, "F4", MEDIA_CTRL_F4 },
+ { 0x103, "F5", MEDIA_CTRL_F5 },
+ { 0x104, "F6", MEDIA_CTRL_F6 },
+ { 0x10d, "W1", MEDIA_CTRL_B6 },
+ { 0x10e, "W2", MEDIA_CTRL_B4 },
+ { 0x100, "W3", MEDIA_CTRL_B2 },
+ { 0x106, "W4", MEDIA_CTRL_B1 },
+ { 0x110, "W5", MEDIA_CTRL_B3 },
+ { 0x111, "W6", MEDIA_CTRL_B5 },
+ { 0x115, "W7", MEDIA_CTRL_B7 },
+ { 0x116, "STICK_LEFT", MEDIA_CTRL_STICK_LEFT },
+ { 0x113, "STICK_RIGHT", MEDIA_CTRL_STICK_RIGHT },
+ { 0x114, "STICK_UP", MEDIA_CTRL_STICK_UP },
+ { 0x112, "STICK_DOWN", MEDIA_CTRL_STICK_DOWN },
+ { 0x10f, "Rewind", MEDIA_CTRL_REWIND },
+ { 0x108, "Fast Forward", MEDIA_CTRL_FAST_FORWARD },
+ { 0x109, "Stop", MEDIA_CTRL_STOP },
+ { 0x10a, "Play", MEDIA_CTRL_PLAY },
+ { 0x10b, "Record", MEDIA_CTRL_RECORD },
+ { 0, NULL, 0 }
+};
+
+
+/*
+ Griffin PowerMate
+*/
+static struct media_ctrl_key mc_powermate_keys[] = {
+ { BTN_0, "Button", MEDIA_CTRL_B1 },
+ { 0, NULL, 0 }
+};
+
+
+/*
+ X-Keys Jog/Shuttle
+*/
+static struct media_ctrl_key mc_x_keys[] = {
+ { 0x102, "Button L1", MEDIA_CTRL_F1 },
+ { 0x103, "Button L2", MEDIA_CTRL_F9 },
+ { 0x104, "Button L3", MEDIA_CTRL_B1 },
+ { 0x105, "Button L4", MEDIA_CTRL_B3 },
+ { 0x106, "Button L5", MEDIA_CTRL_B5 },
+ { 0x10a, "Button L6", MEDIA_CTRL_F2 },
+ { 0x10b, "Button L7", MEDIA_CTRL_F10 },
+ { 0x10c, "Button L8", MEDIA_CTRL_B2 },
+ { 0x10d, "Button L9", MEDIA_CTRL_B4 },
+ { 0x10e, "Button L10", MEDIA_CTRL_B6 },
+ { 0x112, "Button C1", MEDIA_CTRL_F3 },
+ { 0x11a, "Button C2", MEDIA_CTRL_F4 },
+ { 0x122, "Button C3", MEDIA_CTRL_F5 },
+ { 0x12a, "Button C4", MEDIA_CTRL_F6 },
+ { 0x113, "Button C5", MEDIA_CTRL_F11 },
+ { 0x11b, "Button C6", MEDIA_CTRL_F12 },
+ { 0x123, "Button C7", MEDIA_CTRL_F13 },
+ { 0x12b, "Button C8", MEDIA_CTRL_F14 },
+ { 0x132, "Button R1", MEDIA_CTRL_F7 },
+ { 0x133, "Button R2", MEDIA_CTRL_F15 },
+ { 0x134, "Button R3", MEDIA_CTRL_B7 },
+ { 0x135, "Button R4", MEDIA_CTRL_B9 },
+ { 0x136, "Button R5", MEDIA_CTRL_B11 },
+ { 0x13a, "Button R6", MEDIA_CTRL_F8 },
+ { 0x13b, "Button R7", MEDIA_CTRL_F16 },
+ { 0x13c, "Button R8", MEDIA_CTRL_B8 },
+ { 0x13d, "Button R9", MEDIA_CTRL_B10 },
+ { 0x13e, "Button R10", MEDIA_CTRL_B12 },
+ { 0, NULL, 0 }
+};
+
+struct media_ctrl_key *media_ctrl_get_key(struct media_ctrl *ctrl, int code, int *index)
+{
+ int i = 0;
+ struct media_ctrl_key *keys = ctrl->device->keys;
+
+ while ( keys[i].key != 0 ) {
+ if (keys[i].key == code) {
+ if (index != NULL)
+ *index = i;
+ return &keys[i];
+ }
+ i++;
+ }
+
+ return NULL;
+}
+
+
+void translate_contour_hid_event(struct media_ctrl *ctrl, struct input_event *ev, struct media_ctrl_event *me)
+{
+
+ int lv, cv;
+
+ me->type = 0;
+
+ if (ev->type == EV_REL) {
+ /* First check the outer dial */
+ if (ev->code == REL_WHEEL) {
+
+ cv = (signed int)ev->value;
+ if (cv == 1 || cv == -1 ) cv = 0;
+
+
+ if ( cv == ctrl->lastshu ) return;
+ ctrl->lastshu = cv;
+
+ if ( cv > 0 ) cv -= 1;
+ if ( cv < 0) cv += 1;
+
+ //printf("Shuttle: %d\n", cv);
+ me->type = MEDIA_CTRL_EVENT_SHUTTLE;
+ me->value = cv*2;
+ me->name = _shuttle_name;
+
+ } else if (ev->code == REL_DIAL) {
+
+ if ( ctrl->lastval == -1 ) ctrl->lastval = ev->value;
+ lv = ctrl->lastval;
+ cv = ev->value;
+
+ if ( lv == cv ) return;
+
+ ctrl->lastval = cv;
+
+ if (cv < 10 && lv > 0xF0) cv +=0x100;
+ if (lv < 10 && cv > 0xF0) lv +=0x100;
+
+ me->type = MEDIA_CTRL_EVENT_JOG;
+ me->value = cv-lv;
+ me->name = _jog_name;
+
+ ctrl->jogpos += me->value;
+ //printf("Jog: %06ld (%d)\n", ctrl->jogpos, me->value);
+ }
+ return;
+ } else if (ev->type == EV_KEY) {
+ int index;
+ struct media_ctrl_key *key = media_ctrl_get_key(ctrl, ev->code, &index);
+ if ( key == NULL ) return;
+
+ me->type = MEDIA_CTRL_EVENT_KEY;
+ me->code = key->code;
+ me->value = ev->value;
+ me->name = ( char* )key->name;
+ me->index = index;
+
+ //printf("Key: %04x %02x: %s\n", ev->code, ev->value, key->name);
+
+ }
+
+}
+
+void translate_compliant(struct media_ctrl *ctrl, struct input_event *ev, struct media_ctrl_event *me)
+{
+ me->type = 0;
+
+ // printf("Translate %02x %02x\n", ev->type, ev->code );
+
+ if (ev->type == EV_REL) {
+ if (ev->code == REL_DIAL) {
+
+ me->type = MEDIA_CTRL_EVENT_JOG;
+ me->value = (signed int)ev->value;
+ me->name = _jog_name;
+
+ ctrl->jogpos += me->value;
+ //printf("Jog: %06ld (%d)\n", ctrl->jogpos, me->value);
+ }
+ return;
+ } else if (ev->type == EV_ABS) {
+ // printf("ABS\n" );
+ if ( ev->code == 0x1c || ev->code == ABS_THROTTLE ) {
+ //printf("ABS_MISC\n" );
+ me->type = MEDIA_CTRL_EVENT_SHUTTLE;
+ me->value = (signed int)ev->value;
+ me->name = _shuttle_name;
+
+ ctrl->shuttlepos = me->value;
+ //printf("Shuttle: %06d (%d)\n", ctrl->shuttlepos, me->value);
+ }
+ } else if (ev->type == EV_KEY) {
+ int index;
+ struct media_ctrl_key *key = media_ctrl_get_key(ctrl, ev->code, &index);
+ if ( key == NULL ) return;
+
+ me->type = MEDIA_CTRL_EVENT_KEY;
+ me->code = key->code;
+ me->value = ev->value;
+ me->name = ( char* )key->name;
+ me->index = index;
+
+ //printf("Key: %04x %02x: %s\n", ev->code, ev->value, key->name);
+
+ }
+}
+
+struct media_ctrl_device supported_devices[] = {
+ { 0x0b33, 0x0030, "Contour ShuttlePRO v2", mc_shuttle_pro_keys, translate_contour_hid_event },
+ { 0x0b33, 0x0020, "Contour ShuttleXPress", mc_shuttle_xpress_keys, translate_contour_hid_event },
+ { 0x0b33, 0x0010, "Contour ShuttlePro", mc_shuttle_pro_keys, translate_contour_hid_event },
+ { 0x0b33, 0x0011, "Contour ShuttlePro", mc_shuttle_pro_keys, translate_contour_hid_event }, /* Hercules OEM */
+ { 0x05f3, 0x0240, "Contour ShuttlePro", mc_shuttle_pro_keys, translate_contour_hid_event },
+ { 0x0760, 0x0001, "JLCooper MCS3", mc_jlcooper_mcs3_keys, translate_compliant },
+ { 0x077d, 0x0410, "Griffin PowerMate", mc_powermate_keys, translate_compliant },
+ { 0x05f3, 0x0241, "X-Keys Editor", mc_x_keys, translate_contour_hid_event },
+ { 0, 0, 0 }
+};
+
+
+void media_ctrl_translate(struct media_ctrl *ctrl, struct input_event *ev, struct media_ctrl_event *me)
+{
+ if ( ctrl->device ) ctrl->device->translate(ctrl, ev, me);
+}
+
+
+void media_ctrl_read_event(struct media_ctrl *ctrl, struct media_ctrl_event *me)
+{
+ ssize_t n;
+ struct input_event ev;
+
+ // struct media_ctrl_event me;
+
+ if ( ctrl->fd > 0 ) {
+ n = read(ctrl->fd, &ev, sizeof(ev));
+ } else {
+ return;
+ }
+
+ if (n != sizeof(ev)) {
+ //printf("JogShuttle::inputCallback: read: (%d) %s\n", errno, strerror(errno));
+ close(ctrl->fd);
+ ctrl->fd = 0;
+ return;
+ }
+
+ if ( ctrl->device && ctrl->device->translate)
+ ctrl->device->translate(ctrl, &ev, me);
+ else
+ me->type = 0;
+
+ if ( me->type == MEDIA_CTRL_EVENT_JOG ) {
+ struct timeval timev;
+ gettimeofday(&timev, NULL);
+ unsigned long now = (unsigned long)timev.tv_usec + (1000000*(unsigned long)timev.tv_sec);
+ if ( now < ctrl->last_jog_time + 40000 ) {
+ //printf("*** Fast Jog %02d %05d ***\n", me->value, now - ctrl->last_jog_time);
+ ctrl->jogrel = me->value;
+ me->type = MEDIA_CTRL_EVENT_NONE;
+ } else {
+ me->value += ctrl->jogrel;
+ ctrl->jogrel = 0;
+ ctrl->last_jog_time = now;
+ // printf("*** Jog %02d ***\n", me->value);
+ }
+ }
+
+ return;
+
+}
+
+
+int probe_device(struct media_ctrl *mc)
+{
+ short devinfo[4];
+ int i = 0;
+
+ if ( ioctl(mc->fd, EVIOCGID, &devinfo) ) {
+ perror("evdev ioctl");
+ return 0;
+ }
+
+ do {
+ if ( supported_devices[i].vendor == devinfo[1]
+ && supported_devices[i].product == devinfo[2] ) {
+
+ mc->device = &supported_devices[i];
+ //printf("Success on /dev/input/event%d: %s\n", mc->eventno, mc->device->name);
+ // mc->fd = fd;
+ // mc->translate = mc->device.translate_function;
+ // mc = malloc(sizeof(struct media_ctrl));
+ mc->jogpos = 0;
+ mc->lastval = -1;
+ mc->last_jog_time = 0;
+ return 1;
+ } else {
+ //mc->device = NULL;
+ }
+
+ } while ( supported_devices[++i].vendor != 0 );
+
+ return 0;
+}
+
+
+void media_ctrl_get_device_list()
+{
+ // TBD
+}
+
+
+
+void find_first_device(struct media_ctrl *mc)
+{
+ char buf[256];
+ int fd, i;
+
+ for ( i = 0; i < 32; i++ ) {
+ sprintf(buf, "/dev/input/event%d", i);
+ fd = open( buf, O_RDONLY );
+ if ( fd < 0 ) {
+ perror(buf);
+ } else {
+ mc->fd = fd;
+ mc->eventno = i;
+ if( probe_device(mc) ) {
+ return;
+ } else {
+ close(fd);
+ mc->fd = -1;
+ }
+ }
+ }
+ return;
+}
+
+
+void media_ctrl_close(struct media_ctrl *mc)
+{
+ if (mc->fd > 0)
+ close( mc->fd );
+ memset( mc, 0, sizeof( struct media_ctrl ) );
+}
+
+
+void media_ctrl_open(struct media_ctrl *mc)
+{
+ find_first_device(mc);
+}
+
+void media_ctrl_open2(struct media_ctrl *mc, const char *devname)
+{
+ int fd;
+
+ fd = open( devname, O_RDONLY );
+ if ( fd < 0 ) {
+ perror(devname);
+ } else {
+ mc->fd = fd;
+ //mc->eventno = i;
+ if( probe_device(mc) ) {
+ return;
+ } else {
+ close(fd);
+ mc->fd = -1;
+ }
+ }
+}
+
diff --git a/src/lib/external/media_ctrl/mediactrl.h b/src/lib/external/media_ctrl/mediactrl.h
new file mode 100644
index 0000000..652b4ff
--- /dev/null
+++ b/src/lib/external/media_ctrl/mediactrl.h
@@ -0,0 +1,156 @@
+/*
+* mediactrl.c -- Jog Shuttle device support
+* Copyright (C) 2001-2007 Dan Dennedy <dan@dennedy.org>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software Foundation,
+* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+#ifndef _MEDIA_CTRL_H
+#define _MEDIA_CTRL_H
+
+
+// just to make the code more readable
+#define KEY_RELEASE 0x00
+#define KEY_PRESS 0x01
+
+// not used yet
+#define MEDIA_ST_ACTIVE 0x02
+#define MEDIA_ST_INACTIVE 0x01
+
+// media ctrl event types
+#define MEDIA_CTRL_EVENT_NONE 0x00
+#define MEDIA_CTRL_EVENT_KEY 0x01
+#define MEDIA_CTRL_EVENT_JOG 0x02
+#define MEDIA_CTRL_EVENT_SHUTTLE 0x03
+#define MEDIA_CTRL_EVENT_STICK 0x04
+
+// the disconnect event - not used yet
+#define MEDIA_CTRL_DISCONNECT 0x01
+
+#define MEDIA_CTRL_SHIFT 0x01
+
+#define MEDIA_CTRL_PLAY 0x10
+#define MEDIA_CTRL_PLAY_FWD 0x10
+#define MEDIA_CTRL_REVERSE 0x11
+#define MEDIA_CTRL_PLAY_REV 0x11
+#define MEDIA_CTRL_STOP 0x12
+#define MEDIA_CTRL_PAUSE 0x13
+#define MEDIA_CTRL_NEXT 0x14
+#define MEDIA_CTRL_PREV 0x15
+#define MEDIA_CTRL_RECORD 0x16
+#define MEDIA_CTRL_FAST_FORWARD 0x17
+#define MEDIA_CTRL_REWIND 0x18
+
+#define MEDIA_CTRL_STICK_LEFT 0x20
+#define MEDIA_CTRL_STICK_RIGHT 0x21
+#define MEDIA_CTRL_STICK_UP 0x22
+#define MEDIA_CTRL_STICK_DOWN 0x23
+
+/* function keys, usually at top of device */
+#define MEDIA_CTRL_F1 0x100
+#define MEDIA_CTRL_F2 0x101
+#define MEDIA_CTRL_F3 0x102
+#define MEDIA_CTRL_F4 0x103
+#define MEDIA_CTRL_F5 0x104
+#define MEDIA_CTRL_F6 0x105
+#define MEDIA_CTRL_F7 0x106
+#define MEDIA_CTRL_F8 0x107
+#define MEDIA_CTRL_F9 0x108
+#define MEDIA_CTRL_F10 0x109
+#define MEDIA_CTRL_F11 0x10a
+#define MEDIA_CTRL_F12 0x10b
+#define MEDIA_CTRL_F13 0x10c
+#define MEDIA_CTRL_F14 0x10d
+#define MEDIA_CTRL_F15 0x10e
+#define MEDIA_CTRL_F16 0x10f
+
+#define MEDIA_CTRL_B1 0x110
+#define MEDIA_CTRL_B2 0x111
+#define MEDIA_CTRL_B3 0x112
+#define MEDIA_CTRL_B4 0x113
+#define MEDIA_CTRL_B5 0x114
+#define MEDIA_CTRL_B6 0x115
+#define MEDIA_CTRL_B7 0x116
+#define MEDIA_CTRL_B8 0x117
+#define MEDIA_CTRL_B9 0x118
+#define MEDIA_CTRL_B10 0x119
+#define MEDIA_CTRL_B11 0x11a
+#define MEDIA_CTRL_B12 0x11b
+#define MEDIA_CTRL_B13 0x11c
+#define MEDIA_CTRL_B14 0x11d
+#define MEDIA_CTRL_B15 0x11e
+#define MEDIA_CTRL_B16 0x11f
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct media_ctrl_device;
+
+struct media_ctrl_key {
+ int key; // internal keycode - do not use
+ const char *name;
+ int code; // eventcode
+ int action;
+};
+
+struct media_ctrl_event {
+ struct timeval time;
+ unsigned short type;
+ unsigned short code;
+ char *name;
+ int value;
+ unsigned short index;
+};
+
+struct media_ctrl {
+
+ int fd;
+ int eventno;
+
+ int status;
+
+ struct media_ctrl_device *device;
+
+ long jogpos;
+ int shuttlepos;
+
+ int lastval;
+ int lastshu;
+
+ int jogrel; // accumulate relative values if events come too fast
+ unsigned long last_jog_time; // last jog event
+
+};
+
+struct media_ctrl_device {
+ int vendor;
+ int product;
+ const char *name;
+ struct media_ctrl_key *keys;
+ void (*translate)(struct media_ctrl *ctrl, struct input_event *ev, struct media_ctrl_event *me);
+};
+
+void media_ctrl_open(struct media_ctrl *);
+void media_ctrl_open2(struct media_ctrl *, const char *devname);
+void media_ctrl_close(struct media_ctrl *);
+void media_ctrl_read_event(struct media_ctrl *, struct media_ctrl_event *);
+
+struct media_ctrl_key *media_ctrl_get_keys(struct media_ctrl *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif