ardour/gtk2_ardour/video_timeline.cc
Tim Mayberry e6d2eef929 Remove LocaleGuards from VideoTimeLine class
float <=> string conversion is done using PBD::string_to/to_string() via
XMLNode::get/set_property so the LocaleGuards are no longer necessary
2017-06-22 10:48:38 +10:00

925 lines
26 KiB
C++

/*
Copyright (C) 2010 Paul Davis
Author: Robin Gareus <robin@gareus.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <algorithm>
#include <sigc++/bind.h>
#include "ardour/tempo.h"
#include "pbd/file_utils.h"
#include "pbd/types_convert.h"
#include "ardour/session_directory.h"
#include "ardour_ui.h"
#include "ardour_http.h"
#include "public_editor.h"
#include "gui_thread.h"
#include "utils_videotl.h"
#include "rgb_macros.h"
#include "video_timeline.h"
#include "video_tool_paths.h"
#include <gtkmm2ext/utils.h>
#include <pthread.h>
#include <curl/curl.h>
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Timecode;
using namespace VideoUtils;
VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Container *vbg, int initial_height)
: editor (ed)
, videotl_group(vbg)
, bar_height(initial_height)
{
video_start_offset = 0L;
video_offset = 0L;
video_offset_p = 0L;
video_duration = 0L;
auto_set_session_fps = false;
video_offset_lock = false;
video_aspect_ratio = 4.0/3.0;
Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
video_filename = "";
local_file = true;
video_file_fps = 25.0;
flush_frames = false;
vmonitor=0;
reopen_vmonitor=false;
find_xjadeo();
find_harvid();
video_server_url = video_get_server_url(Config);
server_docroot = video_get_docroot(Config);
VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
}
VideoTimeLine::~VideoTimeLine ()
{
close_session();
}
/* close and save settings */
void
VideoTimeLine::save_session ()
{
if (!_session) {
return;
}
XMLNode* node = new XMLNode(X_("Videomonitor"));
if (!node) return;
node->set_property (X_("active"), (vmonitor && vmonitor->is_started()));
_session->add_extra_xml (*node);
if (vmonitor) {
if (vmonitor->is_started()) {
vmonitor->query_full_state(true);
}
vmonitor->save_session();
}
/* VTL settings */
node = _session->extra_xml (X_("Videotimeline"));
if (!node) return;
node->set_property (X_("id"), id());
node->set_property (X_("Height"), editor->get_videotl_bar_height());
node->set_property (X_("VideoOffsetLock"), video_offset_lock);
node->set_property (X_("VideoOffset"), video_offset);
node->set_property (X_("AutoFPS"), auto_set_session_fps);
}
/* close and save settings */
void
VideoTimeLine::close_session ()
{
if (video_duration == 0) {
return;
}
sessionsave.disconnect();
close_video_monitor();
remove_frames();
video_filename = "";
video_duration = 0;
GuiUpdate("set-xjadeo-sensitive-off");
GuiUpdate("video-unavailable");
}
void
VideoTimeLine::sync_session_state ()
{
if (!_session || !vmonitor || !vmonitor->is_started()) {
return;
}
save_session();
}
/** load settings from session */
void
VideoTimeLine::set_session (ARDOUR::Session *s)
{
SessionHandlePtr::set_session (s);
if (!_session) { return ; }
_session->SessionSaveUnderway.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
XMLNode* node = _session->extra_xml (X_("Videotimeline"));
if (!node || !node->property (X_("Filename"))) {
return;
}
ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
set_id(*node);
int height;
if (node->get_property (X_("Height"), height)) {
editor->set_video_timeline_height(height);
}
#if 0 /* TODO THINK: set FPS first time only ?! */
XMLProperty const * propasfps = node->property (X_("AutoFPS"));
if (propasfps) {
auto_set_session_fps = atoi(propasfps->value())?true:false;
}
#endif
if (node->get_property (X_("VideoOffset"), video_offset)) {
video_offset_p = video_offset;
}
node->get_property (X_("VideoOffsetLock"), video_offset_lock);
node->get_property (X_("LocalFile"), local_file);
std::string filename;
if (node->get_property (X_("Filename"), filename)) {
video_file_info (filename, local_file);
}
if ((node = _session->extra_xml (X_("Videomonitor")))) {
bool active;
if (node->get_property (X_("active"), active) && active && found_xjadeo () &&
!video_filename.empty () && local_file) {
open_video_monitor();
}
}
_session->register_with_memento_command_factory(id(), this);
_session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
}
void
VideoTimeLine::set_offset_locked (bool v) {
if (_session && v != video_offset_lock) {
_session->set_dirty ();
}
video_offset_lock = v;
}
void
VideoTimeLine::toggle_offset_locked () {
video_offset_lock = !video_offset_lock;
if (_session) {
_session->set_dirty ();
}
}
void
VideoTimeLine::save_undo ()
{
if (_session && video_offset_p != video_offset) {
_session->set_dirty ();
}
video_offset_p = video_offset;
}
int
VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
{
node.get_property (X_("VideoOffset"), video_offset);
ARDOUR_UI::instance()->flush_videotimeline_cache(true);
return 0;
}
XMLNode&
VideoTimeLine::get_state ()
{
XMLNode* node = new XMLNode (X_("Videotimeline"));
node->set_property (X_("VideoOffset"), video_offset_p);
return *node;
}
void
VideoTimeLine::remove_frames ()
{
for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
VideoImageFrame *frame = (*i);
delete frame;
(*i) = 0;
}
video_frames.clear();
}
VideoImageFrame *
VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
{
if (vfn==0) cut=0;
for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
VideoImageFrame *frame = (*i);
if (abs(frame->get_video_frame_number()-vfn)<=cut
&& frame->get_rightend() == rightend) { return frame; }
}
return 0;
}
float
VideoTimeLine::get_apv()
{
// XXX: dup code - TODO use this fn in update_video_timeline()
float apv = -1; /* audio samples per video frame; */
if (!_session) return apv;
if (_session->config.get_use_video_file_fps()) {
if (video_file_fps == 0 ) return apv;
} else {
if (_session->timecode_frames_per_second() == 0 ) return apv;
}
if (_session->config.get_videotimeline_pullup()) {
apv = _session->frame_rate();
} else {
apv = _session->nominal_frame_rate();
}
if (_session->config.get_use_video_file_fps()) {
apv /= video_file_fps;
} else {
apv /= _session->timecode_frames_per_second();
}
return apv;
}
void
VideoTimeLine::update_video_timeline()
{
if (!_session) return;
if (_session->config.get_use_video_file_fps()) {
if (video_file_fps == 0 ) return;
} else {
if (_session->timecode_frames_per_second() == 0 ) return;
}
const double samples_per_pixel = editor->get_current_zoom();
const framepos_t leftmost_sample = editor->leftmost_sample();
/* Outline:
* 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
* 2) calculate first frame and distance between video-frames (according to zoom)
* 3) destroy/add frames
* 4) reposition existing frames
* 5) assign framenumber to frames -> request/decode video.
*/
/* video-file and session properties */
double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
float apv; /* audio samples per video frame; */
framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
/* variables needed to render videotimeline -- what needs to computed first */
framepos_t vtl_start; /* unit: audio-samples ; first displayed video-frame */
framepos_t vtl_dist; /* unit: audio-samples ; distance between displayed video-frames */
unsigned int visible_video_frames; /* number of frames that fit on current canvas */
if (_session->config.get_videotimeline_pullup()) {
apv = _session->frame_rate();
} else {
apv = _session->nominal_frame_rate();
}
if (_session->config.get_use_video_file_fps()) {
apv /= video_file_fps;
} else {
apv /= _session->timecode_frames_per_second();
}
display_vframe_width = bar_height * video_aspect_ratio;
if (apv > samples_per_pixel * display_vframe_width) {
/* high-zoom: need space between successive video-frames */
vtl_dist = rint(apv);
} else {
/* continous timeline: skip video-frames */
vtl_dist = ceil(display_vframe_width * samples_per_pixel / apv) * apv;
}
assert (vtl_dist > 0);
assert (apv > 0);
leftmost_video_frame = floor (floor((long double)(leftmost_sample - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
visible_video_frames = 2 + ceil((double)editor->current_page_samples() / vtl_dist); /* +2 left+right partial frames */
/* expand timeline (cache next/prev page images) */
vtl_start -= visible_video_frames * vtl_dist;
visible_video_frames *=3;
/* don't request frames that are too far to the right */
if (vtl_start < video_offset) {
visible_video_frames = std::max((double)0.0, (double)visible_video_frames + ceil((double)(vtl_start - video_offset)/vtl_dist));
vtl_start = video_offset;
}
/* apply video-file constraints
* (first frame in video is at video_start_offset) */
if (vtl_start > video_start_offset + video_duration + video_offset ) {
visible_video_frames = 0;
}
/* trim end.
* end = position on timeline (video-offset) minus video-file's first frame position
* TODO optimize: compute rather than iterate */
while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + video_offset) {
--visible_video_frames;
}
if (flush_frames) {
remove_frames();
flush_frames=false;
}
while (video_frames.size() < visible_video_frames) {
VideoImageFrame *frame;
frame = new VideoImageFrame(*editor, *videotl_group, display_vframe_width, bar_height, video_server_url, translated_filename());
frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
video_frames.push_back(frame);
}
VideoFrames outdated_video_frames;
std::list<int> remaining;
outdated_video_frames = video_frames;
#if 1
/* when zoomed out, ignore shifts by +-1 frame
* which can occur due to rounding errors when
* scrolling to a new leftmost-audio frame.
*/
int cut =1;
if (vtl_dist/apv < 3.0) cut =0;
#else
int cut =0;
#endif
for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
framepos_t vframeno = rint ( (vfpos - video_offset) / apv); /* unit: video-frames */
vfpos = (vframeno * apv ) + video_offset; /* audio-frame corresponding to /rounded/ video-frame */
int rightend = -1; /* unit: pixels */
if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
//printf("lf(e): %lu\n", vframeno); // XXX
}
VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
if (frame) {
frame->set_position(vfpos);
outdated_video_frames.remove(frame);
} else {
remaining.push_back(vfcount);
}
}
for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
VideoImageFrame *frame = (*i);
if (remaining.empty()) {
frame->set_position(-2 * vtl_dist + leftmost_sample); /* move off screen */
} else {
int vfcount=remaining.front();
remaining.pop_front();
framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
framepos_t vframeno = rint ((vfpos - video_offset) / apv); /* unit: video-frames */
int rightend = -1; /* unit: pixels */
if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
//printf("lf(n): %lu\n", vframeno); // XXX
}
frame->set_position(vfpos);
frame->set_videoframe(vframeno, rightend);
}
}
}
std::string
VideoTimeLine::translated_filename ()
{
if (!local_file){
return video_filename;
} else {
return video_map_path(server_docroot, video_filename);
}
}
bool
VideoTimeLine::video_file_info (std::string filename, bool local)
{
local_file = local;
if (Glib::path_is_absolute(filename) || !local_file)
{
video_filename = filename;
} else {
video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
}
long long int _duration;
double _start_offset;
if (!video_query_info(
video_server_url, translated_filename(),
video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
warning << _("Parsing video file info failed. Is the Video Server running? Is the file readable by the Video Server? Does the docroot match? Is it a video file?") << endmsg;
video_duration = 0;
GuiUpdate("set-xjadeo-sensitive-off");
GuiUpdate("video-unavailable");
return false;
}
video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
video_start_offset = _start_offset * _session->nominal_frame_rate();
if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
switch ((int)floorf(video_file_fps*1000.0)) {
case 23976:
_session->config.set_timecode_format(timecode_23976);
break;
case 24000:
_session->config.set_timecode_format(timecode_24);
break;
case 24975:
case 24976:
_session->config.set_timecode_format(timecode_24976);
break;
case 25000:
_session->config.set_timecode_format(timecode_25);
break;
case 29970:
_session->config.set_timecode_format(timecode_2997drop);
break;
case 30000:
_session->config.set_timecode_format(timecode_30);
break;
case 59940:
_session->config.set_timecode_format(timecode_5994);
break;
case 60000:
_session->config.set_timecode_format(timecode_60);
break;
default:
warning << string_compose (
_("Failed to set session-framerate: '%1' does not have a corresponding option setting in %2."),
video_file_fps, PROGRAM_NAME ) << endmsg;
break;
}
_session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
}
if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
warning << string_compose(
_("Video file's framerate is not equal to %1 session timecode's framerate: '%2' vs '%3'"),
PROGRAM_NAME, video_file_fps, _session->timecode_frames_per_second())
<< endmsg;
}
flush_local_cache ();
if (found_xjadeo() && local_file) {
GuiUpdate("set-xjadeo-sensitive-on");
if (vmonitor && vmonitor->is_started()) {
#if 1
/* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
* if the geometry changes to a different line-size alignment
*/
reopen_vmonitor = true;
vmonitor->quit();
#else
vmonitor->set_fps(video_file_fps);
vmonitor->open(video_filename);
#endif
}
} else if (!local_file) {
#if 1 /* temp debug/devel message */
// TODO - call xjremote remotely.
printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
GuiUpdate("set-xjadeo-sensitive-off");
#endif
}
VtlUpdate();
GuiUpdate("video-available");
return true;
}
bool
VideoTimeLine::check_server ()
{
bool ok = false;
char url[1024];
snprintf(url, sizeof(url), "%s%sstatus"
, video_server_url.c_str()
, (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
);
char* res = ArdourCurl::http_get (url, NULL);
if (res) {
if (strstr(res, "status: ok, online.")) { ok = true; }
free(res);
}
return ok;
}
bool
VideoTimeLine::check_server_docroot ()
{
bool ok = true;
char url[1024];
std::vector<std::vector<std::string> > lines;
if (video_server_url.find("/localhost:") == string::npos) {
return true;
}
snprintf(url, sizeof(url), "%s%src?format=csv"
, video_server_url.c_str()
, (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
);
char* res = ArdourCurl::http_get (url, NULL);
if (!res) {
return false;
}
ParseCSV(std::string(res), lines);
if ( lines.empty()
|| lines.at(0).empty()
|| lines.at(0).at(0) != video_get_docroot(Config)) {
warning << string_compose(
_("Video-server docroot mismatch. %1: '%2', video-server: '%3'. This usually means that the video server was not started by %1 and uses a different document-root."),
PROGRAM_NAME, video_get_docroot(Config), lines.at(0).at(0))
<< endmsg;
ok = false; // TODO allow to override
}
free(res);
return ok;
}
void
VideoTimeLine::gui_update(std::string const & t) {
/* this is to be called via GuiUpdate() only. */
ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
if (t == "videotimeline-update") {
editor->queue_visual_videotimeline_update();
} else if (t == "set-xjadeo-active-off") {
editor->toggle_xjadeo_proc(0);
} else if (t == "set-xjadeo-active-on") {
editor->toggle_xjadeo_proc(1);
} else if (t == "set-xjadeo-sensitive-on") {
editor->set_xjadeo_sensitive(true);
} else if (t == "set-xjadeo-sensitive-off") {
editor->toggle_xjadeo_proc(0);
//close_video_monitor();
editor->set_xjadeo_sensitive(false);
} else if (t == "xjadeo-window-ontop-on") {
editor->toggle_xjadeo_viewoption(1, 1);
} else if (t == "xjadeo-window-ontop-off") {
editor->toggle_xjadeo_viewoption(1, 0);
} else if (t == "xjadeo-window-osd-timecode-on") {
editor->toggle_xjadeo_viewoption(2, 1);
} else if (t == "xjadeo-window-osd-timecode-off") {
editor->toggle_xjadeo_viewoption(2, 0);
} else if (t == "xjadeo-window-osd-frame-on") {
editor->toggle_xjadeo_viewoption(3, 1);
} else if (t == "xjadeo-window-osd-frame-off") {
editor->toggle_xjadeo_viewoption(3, 0);
} else if (t == "xjadeo-window-osd-box-on") {
editor->toggle_xjadeo_viewoption(4, 1);
} else if (t == "xjadeo-window-osd-box-off") {
editor->toggle_xjadeo_viewoption(4, 0);
} else if (t == "xjadeo-window-fullscreen-on") {
editor->toggle_xjadeo_viewoption(5, 1);
} else if (t == "xjadeo-window-fullscreen-off") {
editor->toggle_xjadeo_viewoption(5, 0);
} else if (t == "xjadeo-window-letterbox-on") {
editor->toggle_xjadeo_viewoption(6, 1);
} else if (t == "xjadeo-window-letterbox-off") {
editor->toggle_xjadeo_viewoption(6, 0);
} else if (t == "video-available") {
editor->set_close_video_sensitive(true);
} else if (t == "video-unavailable") {
editor->set_close_video_sensitive(false);
}
}
void
VideoTimeLine::set_height (int height) {
if (_session && bar_height != height) {
_session->set_dirty ();
}
bar_height = height;
flush_local_cache();
}
void
VideoTimeLine::vmon_update () {
if (vmonitor && vmonitor->is_started()) {
vmonitor->set_offset(video_offset); // TODO proper re-init xjadeo w/o restart not just offset.
}
}
void
VideoTimeLine::flush_local_cache () {
flush_frames = true;
vmon_update();
}
void
VideoTimeLine::flush_cache () {
flush_local_cache();
char url[1024];
snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
, video_server_url.c_str()
, (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
);
char* res = ArdourCurl::http_get (url, NULL);
if (res) {
free (res);
}
if (vmonitor && vmonitor->is_started()) {
reopen_vmonitor=true;
vmonitor->quit();
}
video_file_info(video_filename, local_file);
}
/* config */
void
VideoTimeLine::parameter_changed (std::string const & p)
{
if (p == "video-server-url") {
set_video_server_url (video_get_server_url(Config));
} else if (p == "video-server-docroot") {
set_video_server_docroot (video_get_docroot(Config));
} else if (p == "video-advanced-setup") {
set_video_server_url (video_get_server_url(Config));
set_video_server_docroot (video_get_docroot(Config));
}
if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
VtlUpdate();
}
}
void
VideoTimeLine::set_video_server_url(std::string vsu) {
flush_local_cache ();
video_server_url = vsu;
VtlUpdate();
}
void
VideoTimeLine::set_video_server_docroot(std::string vsr) {
flush_local_cache ();
server_docroot = vsr;
VtlUpdate();
}
/* video-monitor for this timeline */
void
VideoTimeLine::xjadeo_readversion (std::string d, size_t /* s */) {
xjadeo_version += d;
}
void
VideoTimeLine::find_xjadeo () {
if (!ArdourVideoToolPaths::xjadeo_exe(_xjadeo_bin)) {
warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
"(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
"It should point to an application compatible with xjadeo's remote-control interface 'xjremote').\n"
"\n"
"see also http://manual.ardour.org/video-timeline/setup/")
<< endmsg;
}
if (found_xjadeo ()) {
ARDOUR::SystemExec version_check(_xjadeo_bin, X_("--version"));
xjadeo_version = "";
version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, _1 ,_2));
version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, "\n" ,1));
if (version_check.start(2)) {
warning << _(
"Video-monitor 'xjadeo' cannot be launched."
) << endmsg;
_xjadeo_bin = X_("");
return;
}
#ifdef PLATFORM_WINDOWS
version_check.wait (); // 40ms timeout
#else
version_check.wait (WNOHANG);
#endif
int timeout = 300;
while (xjadeo_version.empty() && --timeout) {
Glib::usleep(10000);
}
bool v_ok = false;
size_t vo = xjadeo_version.find(" version ");
if (vo != string::npos) {
int v_major, v_minor, v_micro;
if(sscanf(xjadeo_version.substr(vo + 9, string::npos).c_str(),"%d.%d.%d",
&v_major, &v_minor, &v_micro) == 3)
{
if (v_major >= 1) v_ok = true;
else if (v_major == 0 && v_minor >= 8) v_ok = true;
else if (v_major == 0 && v_minor >= 7 && v_micro >= 7) v_ok = true;
}
}
if (!v_ok) {
_xjadeo_bin = X_("");
warning << _(
"Video-monitor 'xjadeo' is too old. "
"Please install xjadeo version 0.7.7 or later. http://xjadeo.sf.net/"
) << endmsg;
}
}
}
void
VideoTimeLine::harvid_readversion (std::string d, size_t /* s */) {
harvid_version += d;
}
void
VideoTimeLine::find_harvid () {
/* This is mainly for the benefit of the windows version:
* harvid >= 0.8.2 allows an empty docroot and ardour can
* pass the drive-letter along.
*
* It is a chicken/egg w.r.t. the video-server dialog
* but needed for default preferences and initial settings.
*/
std::string harvid_bin;
if (VideoUtils::harvid_version != 0x0) {
return;
}
if (!ArdourVideoToolPaths::harvid_exe(harvid_bin)) {
return;
}
if (harvid_bin.empty ()) {
return;
}
ARDOUR::SystemExec version_check(harvid_bin, X_("--version"));
harvid_version = "";
version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, _1 ,_2));
version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, "\n" ,1));
if (version_check.start(2)) {
return;
}
#ifdef PLATFORM_WINDOWS
version_check.wait (); // 40ms timeout
#else
version_check.wait (WNOHANG);
#endif
int timeout = 300;
while (harvid_version.empty() && --timeout) {
Glib::usleep(10000);
}
size_t vo = harvid_version.find("harvid v");
if (vo != string::npos) {
int v_major, v_minor, v_micro;
if(sscanf(harvid_version.substr(vo + 8, string::npos).c_str(),"%d.%d.%d",
&v_major, &v_minor, &v_micro) == 3)
{
VideoUtils::harvid_version = (v_major << 16) | (v_minor << 8) | v_micro;
info << "harvid version: "<< hex << VideoUtils::harvid_version << endmsg;
}
}
}
void
VideoTimeLine::open_video_monitor() {
if (!found_xjadeo()) return;
if (!vmonitor) {
vmonitor = new VideoMonitor(editor, _xjadeo_bin);
vmonitor->set_session(_session);
vmonitor->set_offset(video_offset);
vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
} else if (vmonitor->is_started()) {
return;
}
#if 0
/* unused for now.
* the idea is to selective ignore certain monitor window
* states if xjadeo is not running on the same host as ardour.
* However with the removal of the video-monitor-startup-dialogue
* (git rev 5a4d0fff0) these settings are currently not accessible.
*/
int xj_settings_mask = vmonitor->restore_settings_mask();
if (_session) {
/* load mask from Session */
XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
if (node) {
XMLProperty const * prop = node->property (X_("mask"));
if (prop) {
xj_settings_mask = atoi(prop->value());
}
}
}
vmonitor->restore_settings_mask(xj_settings_mask);
#endif
if (!vmonitor->start()) {
warning << "launching xjadeo failed.." << endmsg;
close_video_monitor();
} else {
GuiUpdate("set-xjadeo-active-on");
vmonitor->set_fps(video_file_fps);
vmonitor->open(video_filename);
if (_session) {
XMLNode* node = _session->extra_xml (X_("Videomonitor"));
if (node) {
bool active;
if (node->get_property (X_("active"), active) && !active) {
_session->set_dirty ();
}
} else {
_session->set_dirty ();
}
}
}
}
void
VideoTimeLine::close_video_monitor() {
if (vmonitor && vmonitor->is_started()) {
vmonitor->quit();
}
}
void
VideoTimeLine::control_video_monitor(int what, int param) {
if (!vmonitor || !vmonitor->is_started()) {
return;
}
vmonitor->send_cmd(what, param);
}
void
VideoTimeLine::terminated_video_monitor () {
if (vmonitor) {
vmonitor->save_session();
delete vmonitor;
}
vmonitor=0;
GuiUpdate("set-xjadeo-active-off");
if (reopen_vmonitor) {
reopen_vmonitor=false;
open_video_monitor();
} else {
if (_session) {
_session->set_dirty ();
}
}
}
void
VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
{
if (!vmonitor) { return; }
if (!vmonitor->is_started()) { return; }
if (!vmonitor->synced_by_manual_seeks()) { return; }
vmonitor->manual_seek(pos, false, video_offset); // XXX -> set offset in xjadeo
}