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gstreamer/tools/ges-launcher.c
Thibault Saunier d1aa359c2b launch: Ensure to add required ref to profiles from project 
We were unreffing something we were not owning

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/224>
2021-01-05 11:52:43 -03:00

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/* GStreamer Editing Services
* Copyright (C) 2015 Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <glib/gprintf.h>
#include <stdlib.h>
#include <string.h>
#ifdef G_OS_UNIX
#include <glib-unix.h>
#endif
#include "ges-launcher.h"
#include "ges-validate.h"
#include "utils.h"
#include "ges-launcher-kb.h"
typedef enum
{
GST_PLAY_TRICK_MODE_NONE = 0,
GST_PLAY_TRICK_MODE_DEFAULT,
GST_PLAY_TRICK_MODE_DEFAULT_NO_AUDIO,
GST_PLAY_TRICK_MODE_KEY_UNITS,
GST_PLAY_TRICK_MODE_KEY_UNITS_NO_AUDIO,
GST_PLAY_TRICK_MODE_INSTANT_RATE,
GST_PLAY_TRICK_MODE_LAST
} GstPlayTrickMode;
struct _GESLauncherPrivate
{
GESTimeline *timeline;
GESPipeline *pipeline;
gboolean seenerrors;
#ifdef G_OS_UNIX
guint signal_watch_id;
#endif
GESLauncherParsedOptions parsed_options;
GstPlayTrickMode trick_mode;
gdouble rate;
GstState desired_state; /* as per user interaction, PAUSED or PLAYING */
};
G_DEFINE_TYPE_WITH_PRIVATE (GESLauncher, ges_launcher, G_TYPE_APPLICATION);
static const gchar *HELP_SUMMARY =
" `ges-launch-1.0` creates a multimedia timeline and plays it back,\n"
" or renders it to the specified format.\n\n"
" It can load a timeline from an existing project, or create one\n"
" using the 'Timeline description format', specified in the section\n"
" of the same name.\n\n"
" Updating an existing project can be done through `--set-scenario`\n"
" if ges-launch-1.0 has been compiled with gst-validate, see\n"
" `ges-launch-1.0 --inspect-action-type` for the available commands.\n\n"
" By default, ges-launch-1.0 is in \"playback-mode\".";
static gboolean
play_do_seek (GESLauncher * self, gint64 pos, gdouble rate,
GstPlayTrickMode mode)
{
GstSeekFlags seek_flags;
GstEvent *seek;
seek_flags = 0;
switch (mode) {
case GST_PLAY_TRICK_MODE_DEFAULT:
seek_flags |= GST_SEEK_FLAG_TRICKMODE;
break;
case GST_PLAY_TRICK_MODE_DEFAULT_NO_AUDIO:
seek_flags |= GST_SEEK_FLAG_TRICKMODE | GST_SEEK_FLAG_TRICKMODE_NO_AUDIO;
break;
case GST_PLAY_TRICK_MODE_KEY_UNITS:
seek_flags |= GST_SEEK_FLAG_TRICKMODE_KEY_UNITS;
break;
case GST_PLAY_TRICK_MODE_KEY_UNITS_NO_AUDIO:
seek_flags |=
GST_SEEK_FLAG_TRICKMODE_KEY_UNITS | GST_SEEK_FLAG_TRICKMODE_NO_AUDIO;
break;
case GST_PLAY_TRICK_MODE_NONE:
default:
break;
}
/* See if we can do an instant rate change (not changing dir) */
if (mode & GST_PLAY_TRICK_MODE_INSTANT_RATE && rate * self->priv->rate > 0) {
seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
seek_flags | GST_SEEK_FLAG_INSTANT_RATE_CHANGE,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
if (gst_element_send_event (GST_ELEMENT (self->priv->pipeline), seek)) {
goto done;
}
}
/* No instant rate change, need to do a flushing seek */
seek_flags |= GST_SEEK_FLAG_FLUSH;
if (rate >= 0)
seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
seek_flags | GST_SEEK_FLAG_ACCURATE,
/* start */ GST_SEEK_TYPE_SET, pos,
/* stop */ GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
else
seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
seek_flags | GST_SEEK_FLAG_ACCURATE,
/* start */ GST_SEEK_TYPE_SET, 0,
/* stop */ GST_SEEK_TYPE_SET, pos);
if (!gst_element_send_event (GST_ELEMENT (self->priv->pipeline), seek))
return FALSE;
done:
self->priv->rate = rate;
self->priv->trick_mode = mode & ~GST_PLAY_TRICK_MODE_INSTANT_RATE;
return TRUE;
}
static void
restore_terminal (void)
{
gst_play_kb_set_key_handler (NULL, NULL);
}
static void
toggle_paused (GESLauncher * self)
{
if (self->priv->desired_state == GST_STATE_PLAYING)
self->priv->desired_state = GST_STATE_PAUSED;
else
self->priv->desired_state = GST_STATE_PLAYING;
gst_element_set_state (GST_ELEMENT (self->priv->pipeline),
self->priv->desired_state);
}
static void
relative_seek (GESLauncher * self, gdouble percent)
{
gint64 pos = -1, step, dur;
g_return_if_fail (percent >= -1.0 && percent <= 1.0);
if (!gst_element_query_position (GST_ELEMENT (self->priv->pipeline),
GST_FORMAT_TIME, &pos))
goto seek_failed;
if (!gst_element_query_duration (GST_ELEMENT (self->priv->pipeline),
GST_FORMAT_TIME, &dur)) {
goto seek_failed;
}
step = dur * percent;
if (ABS (step) < GST_SECOND)
step = (percent < 0) ? -GST_SECOND : GST_SECOND;
pos = pos + step;
if (pos > dur) {
gst_print ("\n%s\n", "Reached end of self list.");
g_application_quit (G_APPLICATION (self));
} else {
if (pos < 0)
pos = 0;
play_do_seek (self, pos, self->priv->rate, self->priv->trick_mode);
}
return;
seek_failed:
{
gst_print ("\nCould not seek.\n");
}
}
static gboolean
play_set_rate_and_trick_mode (GESLauncher * self, gdouble rate,
GstPlayTrickMode mode)
{
gint64 pos = -1;
g_return_val_if_fail (rate != 0, FALSE);
if (!gst_element_query_position (GST_ELEMENT (self->priv->pipeline),
GST_FORMAT_TIME, &pos))
return FALSE;
return play_do_seek (self, pos, rate, mode);
}
static void
play_set_playback_rate (GESLauncher * self, gdouble rate)
{
GstPlayTrickMode mode = self->priv->trick_mode;
if (play_set_rate_and_trick_mode (self, rate, mode)) {
gst_print ("Playback rate: %.2f", rate);
gst_print (" \n");
} else {
gst_print ("\n");
gst_print ("Could not change playback rate to %.2f", rate);
gst_print (".\n");
}
}
static void
play_set_relative_playback_rate (GESLauncher * self, gdouble rate_step,
gboolean reverse_direction)
{
gdouble new_rate = self->priv->rate + rate_step;
play_set_playback_rate (self, new_rate);
}
static const gchar *
trick_mode_get_description (GstPlayTrickMode mode)
{
switch (mode) {
case GST_PLAY_TRICK_MODE_NONE:
return "normal playback, trick modes disabled";
case GST_PLAY_TRICK_MODE_DEFAULT:
return "trick mode: default";
case GST_PLAY_TRICK_MODE_DEFAULT_NO_AUDIO:
return "trick mode: default, no audio";
case GST_PLAY_TRICK_MODE_KEY_UNITS:
return "trick mode: key frames only";
case GST_PLAY_TRICK_MODE_KEY_UNITS_NO_AUDIO:
return "trick mode: key frames only, no audio";
default:
break;
}
return "unknown trick mode";
}
static void
play_switch_trick_mode (GESLauncher * self)
{
GstPlayTrickMode new_mode = ++self->priv->trick_mode;
const gchar *mode_desc;
if (new_mode == GST_PLAY_TRICK_MODE_LAST)
new_mode = GST_PLAY_TRICK_MODE_NONE;
mode_desc = trick_mode_get_description (new_mode);
if (play_set_rate_and_trick_mode (self, self->priv->rate, new_mode)) {
gst_print ("Rate: %.2f (%s) \n", self->priv->rate,
mode_desc);
} else {
gst_print ("\nCould not change trick mode to %s.\n", mode_desc);
}
}
static void
print_keyboard_help (void)
{
static struct
{
const gchar *key_desc;
const gchar *key_help;
} key_controls[] = {
{
"space", "pause/unpause"}, {
"q or ESC", "quit"}, {
"\342\206\222", "seek forward"}, {
"\342\206\220", "seek backward"}, {
"+", "increase playback rate"}, {
"-", "decrease playback rate"}, {
"t", "enable/disable trick modes"}, {
"s", "change subtitle track"}, {
"0", "seek to beginning"}, {
"k", "show keyboard shortcuts"},};
guint i, chars_to_pad, desc_len, max_desc_len = 0;
gst_print ("\n\n%s\n\n", "Interactive mode - keyboard controls:");
for (i = 0; i < G_N_ELEMENTS (key_controls); ++i) {
desc_len = g_utf8_strlen (key_controls[i].key_desc, -1);
max_desc_len = MAX (max_desc_len, desc_len);
}
++max_desc_len;
for (i = 0; i < G_N_ELEMENTS (key_controls); ++i) {
chars_to_pad = max_desc_len - g_utf8_strlen (key_controls[i].key_desc, -1);
gst_print ("\t%s", key_controls[i].key_desc);
gst_print ("%-*s: ", chars_to_pad, "");
gst_print ("%s\n", key_controls[i].key_help);
}
gst_print ("\n");
}
static gboolean
_parse_track_type (const gchar * option_name, const gchar * value,
GESLauncherParsedOptions * opts, GError ** error)
{
if (!get_flags_from_string (GES_TYPE_TRACK_TYPE, value, &opts->track_types))
return FALSE;
return TRUE;
}
static gboolean
_set_track_restriction_caps (GESTrack * track, const gchar * caps_str)
{
GstCaps *caps;
if (!caps_str)
return TRUE;
caps = gst_caps_from_string (caps_str);
if (!caps) {
g_error ("Could not create caps for %s from: %s",
G_OBJECT_TYPE_NAME (track), caps_str);
return FALSE;
}
ges_track_set_restriction_caps (track, caps);
gst_caps_unref (caps);
return TRUE;
}
static void
_set_restriction_caps (GESTimeline * timeline, GESLauncherParsedOptions * opts)
{
GList *tmp, *tracks = ges_timeline_get_tracks (timeline);
for (tmp = tracks; tmp; tmp = tmp->next) {
if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_VIDEO)
_set_track_restriction_caps (tmp->data, opts->video_track_caps);
else if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_AUDIO)
_set_track_restriction_caps (tmp->data, opts->audio_track_caps);
}
g_list_free_full (tracks, gst_object_unref);
}
static void
_check_has_audio_video (GESLauncher * self, gint * n_audio, gint * n_video)
{
GList *tmp, *tracks = ges_timeline_get_tracks (self->priv->timeline);
*n_video = *n_audio = 0;
for (tmp = tracks; tmp; tmp = tmp->next) {
if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_VIDEO)
*n_video = *n_video + 1;
else if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_AUDIO)
*n_audio = *n_audio + 1;
}
}
#define N_INSTANCES "__n_instances"
static gint
sort_encoding_profiles (gconstpointer a, gconstpointer b)
{
const gint acount =
GPOINTER_TO_INT (g_object_get_data ((GObject *) a, N_INSTANCES));
const gint bcount =
GPOINTER_TO_INT (g_object_get_data ((GObject *) b, N_INSTANCES));
if (acount < bcount)
return -1;
if (acount == bcount)
return 0;
return 1;
}
static GstEncodingProfile *
get_smart_profile (GESLauncher * self)
{
gint n_audio, n_video;
GList *tmp, *assets = NULL, *possible_profiles = NULL;
GstEncodingProfile *res = NULL;
_check_has_audio_video (self, &n_audio, &n_video);
for (tmp = self->priv->timeline->layers; tmp; tmp = tmp->next) {
GList *tclip, *clips = ges_layer_get_clips (tmp->data);
for (tclip = clips; tclip; tclip = tclip->next) {
if (GES_IS_URI_CLIP (tclip->data))
assets =
g_list_append (assets, ges_extractable_get_asset (tclip->data));
}
g_list_free_full (clips, gst_object_unref);
}
for (tmp = assets; tmp; tmp = tmp->next) {
GESAsset *asset = tmp->data;
GList *audio_streams, *video_streams;
GstDiscovererInfo *info;
if (!GES_IS_URI_CLIP_ASSET (asset))
continue;
info = ges_uri_clip_asset_get_info (GES_URI_CLIP_ASSET (asset));
audio_streams = gst_discoverer_info_get_audio_streams (info);
video_streams = gst_discoverer_info_get_video_streams (info);
if (g_list_length (audio_streams) >= n_audio
&& g_list_length (video_streams) >= n_video) {
GstEncodingProfile *prof = gst_encoding_profile_from_discoverer (info);
GList *prevprof;
prevprof =
g_list_find_custom (possible_profiles, prof,
(GCompareFunc) gst_encoding_profile_is_equal);
if (prevprof) {
g_object_unref (prof);
prof = prevprof->data;
} else {
possible_profiles = g_list_prepend (possible_profiles, prof);
}
g_object_set_data ((GObject *) prof, N_INSTANCES,
GINT_TO_POINTER (GPOINTER_TO_INT (g_object_get_data ((GObject *) prof,
N_INSTANCES)) + 1));
}
gst_discoverer_stream_info_list_free (audio_streams);
gst_discoverer_stream_info_list_free (video_streams);
}
g_list_free_full (assets, gst_object_unref);
if (possible_profiles) {
possible_profiles = g_list_sort (possible_profiles, sort_encoding_profiles);
res = gst_object_ref (possible_profiles->data);
g_list_free_full (possible_profiles, gst_object_unref);
}
return res;
}
static void
disable_bframe_for_smart_rendering_cb (GstBin * bin, GstBin * sub_bin,
GstElement * child)
{
GstElementFactory *factory = gst_element_get_factory (child);
if (factory && !g_strcmp0 (GST_OBJECT_NAME (factory), "x264enc")) {
g_object_set (child, "b-adapt", FALSE, "b-pyramid", FALSE, "bframes", 0,
NULL);
}
}
static gboolean
_set_rendering_details (GESLauncher * self)
{
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
gboolean smart_profile = FALSE;
GESPipelineFlags cmode = ges_pipeline_get_mode (self->priv->pipeline);
if (cmode & GES_PIPELINE_MODE_RENDER
|| cmode & GES_PIPELINE_MODE_SMART_RENDER) {
GST_INFO_OBJECT (self, "Rendering settings already set");
return TRUE;
}
/* Setup profile/encoding if needed */
if (opts->outputuri) {
GstEncodingProfile *prof = NULL;
if (!opts->format) {
GESProject *proj =
GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE (self->priv->
timeline)));
const GList *profiles = ges_project_list_encoding_profiles (proj);
if (profiles) {
prof = profiles->data;
if (opts->encoding_profile)
for (; profiles; profiles = profiles->next)
if (g_strcmp0 (opts->encoding_profile,
gst_encoding_profile_get_name (profiles->data)) == 0)
prof = profiles->data;
}
if (prof)
prof = gst_object_ref (prof);
}
if (!prof) {
if (opts->format == NULL) {
if (opts->smartrender)
prof = get_smart_profile (self);
if (prof)
smart_profile = TRUE;
else {
opts->format = get_file_extension (opts->outputuri);
prof = parse_encoding_profile (opts->format);
}
} else {
prof = parse_encoding_profile (opts->format);
if (!prof)
g_error ("Invalid format specified: %s", opts->format);
}
if (!prof) {
ges_warn
("No format specified and couldn't find one from output file extension, "
"falling back to theora+vorbis in ogg.");
g_free (opts->format);
opts->format =
g_strdup ("application/ogg:video/x-theora:audio/x-vorbis");
prof = parse_encoding_profile (opts->format);
}
if (!prof) {
ges_printerr ("Could not find any encoding format for %s\n",
opts->format);
return FALSE;
}
g_print ("\nEncoding details:\n");
g_print ("================\n");
g_print (" -> Output file: %s\n", opts->outputuri);
g_print (" -> Profile:%s\n",
smart_profile ?
" (selected from input files format for efficient smart rendering" :
"");
describe_encoding_profile (prof);
g_print ("\n");
}
opts->outputuri = ensure_uri (opts->outputuri);
if (opts->smartrender) {
g_signal_connect (self->priv->pipeline, "deep-element-added",
G_CALLBACK (disable_bframe_for_smart_rendering_cb), NULL);
}
if (!prof
|| !ges_pipeline_set_render_settings (self->priv->pipeline,
opts->outputuri, prof)
|| !ges_pipeline_set_mode (self->priv->pipeline,
opts->smartrender ? GES_PIPELINE_MODE_SMART_RENDER :
GES_PIPELINE_MODE_RENDER)) {
return FALSE;
}
gst_encoding_profile_unref (prof);
} else {
ges_pipeline_set_mode (self->priv->pipeline, GES_PIPELINE_MODE_PREVIEW);
}
return TRUE;
}
static void
_track_set_mixing (GESTrack * track, GESLauncherParsedOptions * opts)
{
static gboolean printed_mixing_disabled = FALSE;
if (opts->disable_mixing || opts->smartrender)
ges_track_set_mixing (track, FALSE);
if (!opts->disable_mixing && opts->smartrender && !printed_mixing_disabled) {
g_print ("**Mixing is disabled for smart rendering to work**\n");
printed_mixing_disabled = TRUE;
}
}
static gboolean
_timeline_set_user_options (GESLauncher * self, GESTimeline * timeline,
const gchar * load_path)
{
GList *tmp;
GESTrack *tracka, *trackv;
gboolean has_audio = FALSE, has_video = FALSE;
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
retry:
for (tmp = timeline->tracks; tmp; tmp = tmp->next) {
if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_VIDEO)
has_video = TRUE;
else if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_AUDIO)
has_audio = TRUE;
_track_set_mixing (tmp->data, opts);
if (!(GES_TRACK (tmp->data)->type & opts->track_types)) {
ges_timeline_remove_track (timeline, tmp->data);
goto retry;
}
}
if ((opts->scenario || opts->testfile) && !load_path) {
if (!has_video && opts->track_types & GES_TRACK_TYPE_VIDEO) {
trackv = GES_TRACK (ges_video_track_new ());
if (!_set_track_restriction_caps (trackv, opts->video_track_caps))
return FALSE;
_track_set_mixing (trackv, opts);
if (!(ges_timeline_add_track (timeline, trackv)))
return FALSE;
}
if (!has_audio && opts->track_types & GES_TRACK_TYPE_AUDIO) {
tracka = GES_TRACK (ges_audio_track_new ());
if (!_set_track_restriction_caps (tracka, opts->audio_track_caps))
return FALSE;
_track_set_mixing (tracka, opts);
if (!(ges_timeline_add_track (timeline, tracka)))
return FALSE;
}
} else {
_set_restriction_caps (timeline, opts);
}
return TRUE;
}
static void
_project_loading_error_cb (GESProject * project, GESTimeline * timeline,
GError * error, GESLauncher * self)
{
ges_printerr ("Error loading timeline: '%s'\n", error->message);
self->priv->seenerrors = TRUE;
g_application_quit (G_APPLICATION (self));
}
static void
_project_loaded_cb (GESProject * project, GESTimeline * timeline,
GESLauncher * self)
{
gchar *project_uri = NULL;
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
GST_INFO ("Project loaded, playing it");
if (opts->save_path) {
gchar *uri;
GError *error = NULL;
if (g_strcmp0 (opts->save_path, "+r") == 0) {
uri = ges_project_get_uri (project);
} else if (!(uri = ensure_uri (opts->save_path))) {
g_error ("couldn't create uri for '%s", opts->save_path);
self->priv->seenerrors = TRUE;
g_application_quit (G_APPLICATION (self));
}
g_print ("\nSaving project to %s\n", uri);
ges_project_save (project, timeline, uri, NULL, TRUE, &error);
g_free (uri);
g_assert_no_error (error);
if (error) {
self->priv->seenerrors = TRUE;
g_error_free (error);
g_application_quit (G_APPLICATION (self));
}
}
project_uri = ges_project_get_uri (project);
if (self->priv->parsed_options.load_path && project_uri
&& ges_validate_activate (GST_PIPELINE (self->priv->pipeline),
self, opts) == FALSE) {
if (opts->scenario)
g_error ("Could not activate scenario %s", opts->scenario);
else
g_error ("Could not activate testfile %s", opts->testfile);
self->priv->seenerrors = TRUE;
g_application_quit (G_APPLICATION (self));
}
_timeline_set_user_options (self, timeline, project_uri);
if (project_uri) {
if (!_set_rendering_details (self))
g_error ("Failed to setup rendering details\n");
}
g_free (project_uri);
if (!self->priv->seenerrors && opts->needs_set_state &&
gst_element_set_state (GST_ELEMENT (self->priv->pipeline),
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
g_error ("Failed to start the pipeline\n");
}
}
static void
_error_loading_asset_cb (GESProject * project, GError * error,
const gchar * failed_id, GType extractable_type, GESLauncher * self)
{
ges_printerr ("Error loading asset %s: %s\n", failed_id, error->message);
self->priv->seenerrors = TRUE;
g_application_quit (G_APPLICATION (self));
}
static gboolean
_create_timeline (GESLauncher * self, const gchar * serialized_timeline,
const gchar * proj_uri, gboolean validate)
{
GESProject *project;
GError *error = NULL;
if (proj_uri != NULL) {
project = ges_project_new (proj_uri);
} else if (!validate) {
GST_INFO ("serialized timeline is %s", serialized_timeline);
project = ges_project_new (serialized_timeline);
} else {
project = ges_project_new (NULL);
}
g_signal_connect (project, "error-loading-asset",
G_CALLBACK (_error_loading_asset_cb), self);
g_signal_connect (project, "loaded", G_CALLBACK (_project_loaded_cb), self);
g_signal_connect (project, "error-loading",
G_CALLBACK (_project_loading_error_cb), self);
self->priv->timeline =
GES_TIMELINE (ges_asset_extract (GES_ASSET (project), &error));
gst_object_unref (project);
if (error) {
ges_printerr ("\nERROR: Could not create timeline because: %s\n\n",
error->message);
g_error_free (error);
return FALSE;
}
return TRUE;
}
typedef void (*sinkSettingFunction) (GESPipeline * pipeline,
GstElement * element);
static gboolean
_set_sink (GESLauncher * self, const gchar * sink_desc,
sinkSettingFunction set_func)
{
if (sink_desc != NULL) {
GError *err = NULL;
GstElement *sink = gst_parse_bin_from_description_full (sink_desc, TRUE,
NULL, GST_PARSE_FLAG_NO_SINGLE_ELEMENT_BINS, &err);
if (sink == NULL) {
GST_ERROR ("could not create the requested videosink %s (err: %s), "
"exiting", err ? err->message : "", sink_desc);
if (err)
g_error_free (err);
return FALSE;
}
set_func (self->priv->pipeline, sink);
}
return TRUE;
}
static gboolean
_set_playback_details (GESLauncher * self)
{
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
if (!_set_sink (self, opts->videosink, ges_pipeline_preview_set_video_sink) ||
!_set_sink (self, opts->audiosink, ges_pipeline_preview_set_audio_sink))
return FALSE;
return TRUE;
}
static void
bus_message_cb (GstBus * bus, GstMessage * message, GESLauncher * self)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_WARNING:{
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (self->priv->pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "ges-launch.warning");
break;
}
case GST_MESSAGE_ERROR:{
GError *err = NULL;
gchar *dbg_info = NULL;
gst_message_parse_error (message, &err, &dbg_info);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (self->priv->pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "ges-launch-error");
ges_printerr ("ERROR from element %s: %s\n",
GST_OBJECT_NAME (message->src), err->message);
ges_printerr ("Debugging info: %s\n", (dbg_info) ? dbg_info : "none");
g_clear_error (&err);
g_free (dbg_info);
self->priv->seenerrors = TRUE;
g_application_quit (G_APPLICATION (self));
break;
}
case GST_MESSAGE_EOS:
if (!self->priv->parsed_options.ignore_eos) {
ges_ok ("\nDone\n");
g_application_quit (G_APPLICATION (self));
}
break;
case GST_MESSAGE_STATE_CHANGED:
if (GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (self->priv->pipeline)) {
gchar *dump_name;
GstState old, new, pending;
gchar *state_transition_name;
gst_message_parse_state_changed (message, &old, &new, &pending);
state_transition_name = g_strdup_printf ("%s_%s",
gst_element_state_get_name (old), gst_element_state_get_name (new));
dump_name = g_strconcat ("ges-launch.", state_transition_name, NULL);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (self->priv->pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
g_free (dump_name);
g_free (state_transition_name);
}
break;
case GST_MESSAGE_REQUEST_STATE:
ges_validate_handle_request_state_change (message, G_APPLICATION (self));
break;
default:
break;
}
}
#ifdef G_OS_UNIX
static gboolean
intr_handler (GESLauncher * self)
{
g_print ("interrupt received.\n");
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (self->priv->pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "ges-launch.interrupted");
g_application_quit (G_APPLICATION (self));
/* remove signal handler */
return TRUE;
}
#endif /* G_OS_UNIX */
static gboolean
_save_timeline (GESLauncher * self)
{
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
if (opts->embed_nesteds) {
GList *tmp, *assets;
GESProject *proj =
GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE (self->priv->
timeline)));
assets = ges_project_list_assets (proj, GES_TYPE_URI_CLIP);
for (tmp = assets; tmp; tmp = tmp->next) {
gboolean is_nested;
g_object_get (tmp->data, "is-nested-timeline", &is_nested, NULL);
if (is_nested) {
GESAsset *subproj =
ges_asset_request (GES_TYPE_TIMELINE, ges_asset_get_id (tmp->data),
NULL);
ges_project_add_asset (proj, subproj);
}
}
g_list_free_full (assets, gst_object_unref);
}
if (opts->save_only_path) {
gchar *uri;
if (!(uri = ensure_uri (opts->save_only_path))) {
g_error ("couldn't create uri for '%s", opts->save_only_path);
return FALSE;
}
return ges_timeline_save_to_uri (self->priv->timeline, uri, NULL, TRUE,
NULL);
}
if (opts->save_path && !opts->load_path) {
gchar *uri;
if (!(uri = ensure_uri (opts->save_path))) {
g_error ("couldn't create uri for '%s", opts->save_path);
return FALSE;
}
return ges_timeline_save_to_uri (self->priv->timeline, uri, NULL, TRUE,
NULL);
}
return TRUE;
}
static gboolean
_run_pipeline (GESLauncher * self)
{
GstBus *bus;
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
if (!opts->load_path) {
if (ges_validate_activate (GST_PIPELINE (self->priv->pipeline),
self, opts) == FALSE) {
g_error ("Could not activate scenario %s", opts->scenario);
return FALSE;
}
if (!_timeline_set_user_options (self, self->priv->timeline, NULL)) {
ges_printerr ("Could not properly set tracks\n");
return FALSE;
}
if (!_set_rendering_details (self)) {
g_error ("Failed to setup rendering details\n");
return FALSE;
}
print_timeline (self->priv->timeline);
}
bus = gst_pipeline_get_bus (GST_PIPELINE (self->priv->pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), self);
if (!opts->load_path) {
if (opts->needs_set_state
&& gst_element_set_state (GST_ELEMENT (self->priv->pipeline),
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
g_error ("Failed to start the pipeline\n");
return FALSE;
}
}
g_application_hold (G_APPLICATION (self));
return TRUE;
}
static gboolean
_create_pipeline (GESLauncher * self, const gchar * serialized_timeline)
{
gchar *uri = NULL;
gboolean res = TRUE;
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
/* Timeline creation */
if (opts->load_path) {
g_printf ("Loading project from : %s\n", opts->load_path);
if (!(uri = ensure_uri (opts->load_path))) {
g_error ("couldn't create uri for '%s'", opts->load_path);
goto failure;
}
}
self->priv->pipeline = ges_pipeline_new ();
if (!_create_timeline (self, serialized_timeline, uri, opts->scenario
|| opts->testfile)) {
GST_ERROR ("Could not create the timeline");
goto failure;
}
if (!opts->load_path)
ges_timeline_commit (self->priv->timeline);
/* save project if path is given. we do this now in case GES crashes or
* hangs during playback. */
if (!_save_timeline (self))
goto failure;
if (opts->save_only_path)
goto done;
/* In order to view our timeline, let's grab a convenience pipeline to put
* our timeline in. */
if (opts->mute) {
GstElement *sink = gst_element_factory_make ("fakesink", NULL);
g_object_set (sink, "sync", TRUE, NULL);
ges_pipeline_preview_set_audio_sink (self->priv->pipeline, sink);
sink = gst_element_factory_make ("fakesink", NULL);
g_object_set (sink, "sync", TRUE, NULL);
ges_pipeline_preview_set_video_sink (self->priv->pipeline, sink);
}
/* Add the timeline to that pipeline */
if (!ges_pipeline_set_timeline (self->priv->pipeline, self->priv->timeline))
goto failure;
done:
if (uri)
g_free (uri);
return res;
failure:
{
if (self->priv->timeline)
gst_object_unref (self->priv->timeline);
if (self->priv->pipeline)
gst_object_unref (self->priv->pipeline);
self->priv->pipeline = NULL;
self->priv->timeline = NULL;
res = FALSE;
goto done;
}
}
static void
_print_transition_list (void)
{
print_enum (GES_VIDEO_STANDARD_TRANSITION_TYPE_TYPE);
}
static GOptionGroup *
ges_launcher_get_project_option_group (GESLauncherParsedOptions * opts)
{
GOptionGroup *group;
GOptionEntry options[] = {
{"load", 'l', 0, G_OPTION_ARG_STRING, &opts->load_path,
"Load project from file. The project can be saved "
"again with the --save option.",
"<path>"},
{"save", 's', 0, G_OPTION_ARG_STRING, &opts->save_path,
"Save project to file before rendering. "
"It can then be loaded with the --load option",
"<path>"},
{"save-only", 0, 0, G_OPTION_ARG_STRING, &opts->save_only_path,
"Same as save project, except exit as soon as the timeline "
"is saved instead of playing it back",
"<path>"},
{NULL}
};
group = g_option_group_new ("project", "Project Options",
"Show project-related options", NULL, NULL);
g_option_group_add_entries (group, options);
return group;
}
static GOptionGroup *
ges_launcher_get_info_option_group (GESLauncherParsedOptions * opts)
{
GOptionGroup *group;
GOptionEntry options[] = {
#ifdef HAVE_GST_VALIDATE
{"inspect-action-type", 0, 0, G_OPTION_ARG_NONE, &opts->inspect_action_type,
"Inspect the available action types that can be defined in a scenario "
"set with --set-scenario. "
"Will list all action-types if action-type is empty.",
"<[action-type]>"},
#endif
{"list-transitions", 0, 0, G_OPTION_ARG_NONE, &opts->list_transitions,
"List all valid transition types and exit. "
"See ges-launch-1.0 help transition for more information.",
NULL},
{NULL}
};
group = g_option_group_new ("informative", "Informative Options",
"Show informative options", NULL, NULL);
g_option_group_add_entries (group, options);
return group;
}
static GOptionGroup *
ges_launcher_get_rendering_option_group (GESLauncherParsedOptions * opts)
{
GOptionGroup *group;
GOptionEntry options[] = {
{"outputuri", 'o', 0, G_OPTION_ARG_STRING, &opts->outputuri,
"If set, ges-launch-1.0 will render the timeline instead of playing "
"it back. If no format `--format` is specified, the outputuri extension"
" will be used to determine an encoding format, or default to theora+vorbis"
" in ogg if that doesn't work out.",
"<URI>"},
{"format", 'f', 0, G_OPTION_ARG_STRING, &opts->format,
"Set an encoding profile on the command line. "
"See ges-launch-1.0 help profile for more information. "
"This will have no effect if no outputuri has been specified.",
"<profile>"},
{"encoding-profile", 'e', 0, G_OPTION_ARG_STRING, &opts->encoding_profile,
"Set an encoding profile from a preset file. "
"See ges-launch-1.0 help profile for more information. "
"This will have no effect if no outputuri has been specified.",
"<profile-name>"},
{"smart-rendering", 0, 0, G_OPTION_ARG_NONE, &opts->smartrender,
"Avoid reencoding when rendering. This option implies --disable-mixing.",
NULL},
{NULL}
};
group = g_option_group_new ("rendering", "Rendering Options",
"Show rendering options", NULL, NULL);
g_option_group_add_entries (group, options);
return group;
}
static GOptionGroup *
ges_launcher_get_playback_option_group (GESLauncherParsedOptions * opts)
{
GOptionGroup *group;
GOptionEntry options[] = {
{"videosink", 'v', 0, G_OPTION_ARG_STRING, &opts->videosink,
"Set the videosink used for playback.", "<videosink>"},
{"audiosink", 'a', 0, G_OPTION_ARG_STRING, &opts->audiosink,
"Set the audiosink used for playback.", "<audiosink>"},
{"mute", 'm', 0, G_OPTION_ARG_NONE, &opts->mute,
"Mute playback output. This has no effect when rendering.", NULL},
{NULL}
};
group = g_option_group_new ("playback", "Playback Options",
"Show playback options", NULL, NULL);
g_option_group_add_entries (group, options);
return group;
}
gboolean
ges_launcher_parse_options (GESLauncher * self,
gchar ** arguments[], gint * argc, GOptionContext * ctx, GError ** error)
{
gboolean res;
GOptionGroup *main_group;
gint nargs = 0, tmpargc;
gchar **commands = NULL, *help, *tmp;
GError *err = NULL;
gboolean owns_ctx = ctx == NULL;
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
gchar *prev_videosink = opts->videosink, *prev_audiosink = opts->audiosink;
GOptionEntry options[] = {
{"disable-mixing", 0, 0, G_OPTION_ARG_NONE, &opts->disable_mixing,
"Do not use mixing elements to mix layers together.", NULL}
,
{"track-types", 't', 0, G_OPTION_ARG_CALLBACK, &_parse_track_type,
"Specify the track types to be created. "
"When loading a project, only relevant tracks will be added to the "
"timeline.",
"<track-types>"}
,
{
"video-caps",
0,
0,
G_OPTION_ARG_STRING,
&opts->video_track_caps,
"Specify the track restriction caps of the video track.",
}
,
{
"audio-caps",
0,
0,
G_OPTION_ARG_STRING,
&opts->audio_track_caps,
"Specify the track restriction caps of the audio track.",
}
,
#ifdef HAVE_GST_VALIDATE
{"set-test-file", 0, 0, G_OPTION_ARG_STRING, &opts->testfile,
"ges-launch-1.0 exposes gst-validate functionalities, such as test files and scenarios."
" Scenarios describe actions to execute, such as seeks or setting of "
"properties. "
"GES implements editing-specific actions such as adding or removing "
"clips. "
"See gst-validate-1.0 --help for more info about validate and "
"scenarios, " "and --inspect-action-type.",
"</test/file/path>"}
,
{"set-scenario", 0, 0, G_OPTION_ARG_STRING, &opts->scenario,
"ges-launch-1.0 exposes gst-validate functionalities, such as scenarios."
" Scenarios describe actions to execute, such as seeks or setting of "
"properties. "
"GES implements editing-specific actions such as adding or removing "
"clips. "
"See gst-validate-1.0 --help for more info about validate and "
"scenarios, " "and --inspect-action-type.",
"<scenario_name>"}
,
{"disable-validate", 'n', 0, G_OPTION_ARG_NONE, &opts->disable_validate,
"Do not run inside GstValidate.",
"<scenario_name>"}
,
#endif
{
"embed-nesteds",
0,
0,
G_OPTION_ARG_NONE,
&opts->embed_nesteds,
"Embed nested timelines when saving.",
}
,
{"no-interactive", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,
&opts->interactive,
"Disable interactive control via the keyboard", NULL}
,
{NULL}
};
if (owns_ctx) {
opts->videosink = opts->audiosink = NULL;
ctx = g_option_context_new ("- plays or renders a timeline.");
}
tmpargc = argc ? *argc : g_strv_length (*arguments);
if (tmpargc > 2) {
nargs = tmpargc - 2;
commands = &(*arguments)[2];
}
tmp = ges_command_line_formatter_get_help (nargs, commands);
help =
g_strdup_printf ("%s\n\nTimeline description format:\n\n%s", HELP_SUMMARY,
tmp);
g_free (tmp);
g_option_context_set_summary (ctx, help);
g_free (help);
main_group =
g_option_group_new ("launcher", "launcher options",
"Main launcher options", opts, NULL);
g_option_group_add_entries (main_group, options);
g_option_context_set_main_group (ctx, main_group);
g_option_context_add_group (ctx, gst_init_get_option_group ());
g_option_context_add_group (ctx, ges_init_get_option_group ());
g_option_context_add_group (ctx,
ges_launcher_get_project_option_group (opts));
g_option_context_add_group (ctx,
ges_launcher_get_rendering_option_group (opts));
g_option_context_add_group (ctx,
ges_launcher_get_playback_option_group (opts));
g_option_context_add_group (ctx, ges_launcher_get_info_option_group (opts));
g_option_context_set_ignore_unknown_options (ctx, TRUE);
res = g_option_context_parse_strv (ctx, arguments, &err);
if (argc)
*argc = tmpargc;
if (err)
g_propagate_error (error, err);
if (owns_ctx) {
g_option_context_free (ctx);
/* sinks passed in the command line are preferred. */
if (prev_videosink) {
g_free (opts->videosink);
opts->videosink = prev_videosink;
}
if (prev_audiosink) {
g_free (opts->audiosink);
opts->audiosink = prev_audiosink;
}
_set_playback_details (self);
}
return res;
}
static gboolean
_local_command_line (GApplication * application, gchar ** arguments[],
gint * exit_status)
{
gboolean res = TRUE;
gint argc;
GError *error = NULL;
GESLauncher *self = GES_LAUNCHER (application);
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
GOptionContext *ctx = g_option_context_new ("- plays or renders a timeline.");
*exit_status = 0;
argc = g_strv_length (*arguments);
gst_init (&argc, arguments);
if (!ges_launcher_parse_options (self, arguments, &argc, ctx, &error)) {
gst_init (NULL, NULL);
g_option_context_free (ctx);
if (error) {
ges_printerr ("Error initializing: %s\n", error->message);
g_error_free (error);
} else {
ges_printerr ("Error parsing command line arguments\n");
}
*exit_status = 1;
goto done;
}
if (opts->inspect_action_type) {
ges_validate_print_action_types ((const gchar **) &((*arguments)[1]),
argc - 1);
goto done;
}
if (!opts->load_path && !opts->scenario && !opts->testfile
&& !opts->list_transitions && (argc <= 1)) {
g_printf ("%s", g_option_context_get_help (ctx, TRUE, NULL));
g_option_context_free (ctx);
*exit_status = 1;
goto done;
}
g_option_context_free (ctx);
opts->sanitized_timeline = sanitize_timeline_description (*arguments);
if (!g_application_register (application, NULL, &error)) {
*exit_status = 1;
g_clear_error (&error);
res = FALSE;
}
done:
return res;
}
static void
keyboard_cb (const gchar * key_input, gpointer user_data)
{
GESLauncher *self = (GESLauncher *) user_data;
gchar key = '\0';
/* only want to switch/case on single char, not first char of string */
if (key_input[0] != '\0' && key_input[1] == '\0')
key = g_ascii_tolower (key_input[0]);
switch (key) {
case 'k':
print_keyboard_help ();
break;
case ' ':
toggle_paused (self);
break;
case 'q':
case 'Q':
g_application_quit (G_APPLICATION (self));
break;
case '+':
if (ABS (self->priv->rate) < 2.0)
play_set_relative_playback_rate (self, 0.1, FALSE);
else if (ABS (self->priv->rate) < 4.0)
play_set_relative_playback_rate (self, 0.5, FALSE);
else
play_set_relative_playback_rate (self, 1.0, FALSE);
break;
case '-':
if (ABS (self->priv->rate) <= 2.0)
play_set_relative_playback_rate (self, -0.1, FALSE);
else if (ABS (self->priv->rate) <= 4.0)
play_set_relative_playback_rate (self, -0.5, FALSE);
else
play_set_relative_playback_rate (self, -1.0, FALSE);
break;
case 't':
play_switch_trick_mode (self);
break;
case 27: /* ESC */
if (key_input[1] == '\0') {
g_application_quit (G_APPLICATION (self));
break;
}
case '0':
play_do_seek (self, 0, self->priv->rate, self->priv->trick_mode);
break;
default:
if (strcmp (key_input, GST_PLAY_KB_ARROW_RIGHT) == 0) {
relative_seek (self, +0.08);
} else if (strcmp (key_input, GST_PLAY_KB_ARROW_LEFT) == 0) {
relative_seek (self, -0.01);
} else {
GST_INFO ("keyboard input:");
for (; *key_input != '\0'; ++key_input)
GST_INFO (" code %3d", *key_input);
}
break;
}
}
static void
_startup (GApplication * application)
{
GESLauncher *self = GES_LAUNCHER (application);
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
#ifdef G_OS_UNIX
self->priv->signal_watch_id =
g_unix_signal_add (SIGINT, (GSourceFunc) intr_handler, self);
#endif
/* Initialize the GStreamer Editing Services */
if (!ges_init ()) {
ges_printerr ("Error initializing GES\n");
goto done;
}
if (opts->interactive && !opts->outputuri) {
if (gst_play_kb_set_key_handler (keyboard_cb, self)) {
gst_print ("Press 'k' to see a list of keyboard shortcuts.\n");
atexit (restore_terminal);
} else {
gst_print ("Interactive keyboard handling in terminal not available.\n");
}
}
if (opts->list_transitions) {
_print_transition_list ();
goto done;
}
if (!_create_pipeline (self, opts->sanitized_timeline))
goto failure;
if (opts->save_only_path)
goto done;
if (!_set_playback_details (self))
goto failure;
if (!_set_rendering_details (self))
goto failure;
if (!_run_pipeline (self))
goto failure;
done:
G_APPLICATION_CLASS (ges_launcher_parent_class)->startup (application);
return;
failure:
self->priv->seenerrors = TRUE;
goto done;
}
static void
_shutdown (GApplication * application)
{
gint validate_res = 0;
GESLauncher *self = GES_LAUNCHER (application);
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
_save_timeline (self);
if (self->priv->pipeline) {
gst_element_set_state (GST_ELEMENT (self->priv->pipeline), GST_STATE_NULL);
validate_res = ges_validate_clean (GST_PIPELINE (self->priv->pipeline));
}
if (self->priv->seenerrors == FALSE)
self->priv->seenerrors = validate_res;
#ifdef G_OS_UNIX
g_source_remove (self->priv->signal_watch_id);
#endif
g_free (opts->sanitized_timeline);
G_APPLICATION_CLASS (ges_launcher_parent_class)->shutdown (application);
}
static void
_finalize (GObject * object)
{
GESLauncher *self = GES_LAUNCHER (object);
GESLauncherParsedOptions *opts = &self->priv->parsed_options;
g_free (opts->load_path);
g_free (opts->save_path);
g_free (opts->save_only_path);
g_free (opts->outputuri);
g_free (opts->format);
g_free (opts->encoding_profile);
g_free (opts->videosink);
g_free (opts->audiosink);
g_free (opts->video_track_caps);
g_free (opts->audio_track_caps);
g_free (opts->scenario);
g_free (opts->testfile);
G_OBJECT_CLASS (ges_launcher_parent_class)->finalize (object);
}
static void
ges_launcher_class_init (GESLauncherClass * klass)
{
G_APPLICATION_CLASS (klass)->local_command_line = _local_command_line;
G_APPLICATION_CLASS (klass)->startup = _startup;
G_APPLICATION_CLASS (klass)->shutdown = _shutdown;
G_OBJECT_CLASS (klass)->finalize = _finalize;
}
static void
ges_launcher_init (GESLauncher * self)
{
self->priv = ges_launcher_get_instance_private (self);
self->priv->parsed_options.track_types =
GES_TRACK_TYPE_AUDIO | GES_TRACK_TYPE_VIDEO;
self->priv->parsed_options.interactive = TRUE;
self->priv->desired_state = GST_STATE_PLAYING;
self->priv->rate = 1.0;
self->priv->trick_mode = GST_PLAY_TRICK_MODE_NONE;
}
gint
ges_launcher_get_exit_status (GESLauncher * self)
{
return self->priv->seenerrors;
}
GESLauncher *
ges_launcher_new (void)
{
return GES_LAUNCHER (g_object_new (ges_launcher_get_type (), "application-id",
"org.gstreamer.geslaunch", "flags",
G_APPLICATION_NON_UNIQUE | G_APPLICATION_HANDLES_COMMAND_LINE, NULL));
}
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