1 /* Quicktime muxer plugin for GStreamer
2 * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
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15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 * Unless otherwise indicated, Source Code is licensed under MIT license.
21 * See further explanation attached in License Statement (distributed in the file
24 * Permission is hereby granted, free of charge, to any person obtaining a copy of
25 * this software and associated documentation files (the "Software"), to deal in
26 * the Software without restriction, including without limitation the rights to
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35 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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39 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
45 * SECTION:element-qtmoovrecover
46 * @short_description: Utility element for recovering unfinished quicktime files
50 * This element recovers quicktime files created with qtmux using the moov
53 * <title>Example pipelines</title>
66 #include <glib/gstdio.h>
69 #include "gstqtmoovrecover.h"
71 GST_DEBUG_CATEGORY_STATIC (gst_qt_moov_recover_debug);
72 #define GST_CAT_DEFAULT gst_qt_moov_recover_debug
74 /* QTMoovRecover signals and args */
90 #define gst_qt_moov_recover_parent_class parent_class
91 G_DEFINE_TYPE (GstQTMoovRecover, gst_qt_moov_recover, GST_TYPE_PIPELINE);
93 /* property functions */
94 static void gst_qt_moov_recover_set_property (GObject * object,
95 guint prop_id, const GValue * value, GParamSpec * pspec);
96 static void gst_qt_moov_recover_get_property (GObject * object,
97 guint prop_id, GValue * value, GParamSpec * pspec);
99 static GstStateChangeReturn gst_qt_moov_recover_change_state (GstElement *
100 element, GstStateChange transition);
102 static void gst_qt_moov_recover_finalize (GObject * object);
105 gst_qt_moov_recover_class_init (GstQTMoovRecoverClass * klass)
107 GObjectClass *gobject_class;
108 GstElementClass *gstelement_class;
110 gobject_class = (GObjectClass *) klass;
111 gstelement_class = (GstElementClass *) klass;
113 parent_class = g_type_class_peek_parent (klass);
115 gobject_class->finalize = gst_qt_moov_recover_finalize;
116 gobject_class->get_property = gst_qt_moov_recover_get_property;
117 gobject_class->set_property = gst_qt_moov_recover_set_property;
119 gstelement_class->change_state = gst_qt_moov_recover_change_state;
121 g_object_class_install_property (gobject_class, PROP_FIXED_OUTPUT,
122 g_param_spec_string ("fixed-output",
123 "Path to write the fixed file",
124 "Path to write the fixed file to (used as output)",
125 NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
126 g_object_class_install_property (gobject_class, PROP_BROKEN_INPUT,
127 g_param_spec_string ("broken-input",
128 "Path to broken input file",
129 "Path to broken input file. (If qtmux was on faststart mode, this "
130 "file is the faststart file)", NULL,
131 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
132 g_object_class_install_property (gobject_class, PROP_RECOVERY_INPUT,
133 g_param_spec_string ("recovery-input",
134 "Path to recovery file",
135 "Path to recovery file (used as input)", NULL,
136 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
137 g_object_class_install_property (gobject_class, PROP_FAST_START_MODE,
138 g_param_spec_boolean ("faststart-mode",
139 "If the broken input is from faststart mode",
140 "If the broken input is from faststart mode",
141 FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
143 GST_DEBUG_CATEGORY_INIT (gst_qt_moov_recover_debug, "qtmoovrecover", 0,
144 "QT Moovie Recover");
146 gst_element_class_set_static_metadata (gstelement_class, "QT Moov Recover",
147 "Util", "Recovers unfinished qtmux files",
148 "Thiago Santos <thiago.sousa.santos@collabora.co.uk>");
152 gst_qt_moov_recover_init (GstQTMoovRecover * qtmr)
157 gst_qt_moov_recover_finalize (GObject * object)
159 G_OBJECT_CLASS (parent_class)->finalize (object);
163 gst_qt_moov_recover_run (void *data)
165 FILE *moovrec = NULL;
166 FILE *mdatinput = NULL;
168 MdatRecovFile *mdat_recov = NULL;
169 MoovRecovFile *moov_recov = NULL;
170 GstQTMoovRecover *qtmr = GST_QT_MOOV_RECOVER_CAST (data);
173 GST_LOG_OBJECT (qtmr, "Starting task");
175 GST_DEBUG_OBJECT (qtmr, "Validating properties");
176 GST_OBJECT_LOCK (qtmr);
177 /* validate properties */
178 if (qtmr->broken_input == NULL) {
179 GST_OBJECT_UNLOCK (qtmr);
180 GST_ELEMENT_ERROR (qtmr, RESOURCE, SETTINGS,
181 ("Please set broken-input property"), (NULL));
184 if (qtmr->recovery_input == NULL) {
185 GST_OBJECT_UNLOCK (qtmr);
186 GST_ELEMENT_ERROR (qtmr, RESOURCE, SETTINGS,
187 ("Please set recovery-input property"), (NULL));
190 if (qtmr->fixed_output == NULL) {
191 GST_OBJECT_UNLOCK (qtmr);
192 GST_ELEMENT_ERROR (qtmr, RESOURCE, SETTINGS,
193 ("Please set fixed-output property"), (NULL));
197 GST_DEBUG_OBJECT (qtmr, "Opening input/output files");
199 moovrec = g_fopen (qtmr->recovery_input, "rb");
200 if (moovrec == NULL) {
201 GST_OBJECT_UNLOCK (qtmr);
202 GST_ELEMENT_ERROR (qtmr, RESOURCE, OPEN_READ,
203 ("Failed to open recovery-input file"), (NULL));
207 mdatinput = g_fopen (qtmr->broken_input, "rb");
208 if (mdatinput == NULL) {
209 GST_OBJECT_UNLOCK (qtmr);
210 GST_ELEMENT_ERROR (qtmr, RESOURCE, OPEN_READ,
211 ("Failed to open broken-input file"), (NULL));
214 output = g_fopen (qtmr->fixed_output, "wb+");
215 if (output == NULL) {
216 GST_OBJECT_UNLOCK (qtmr);
217 GST_ELEMENT_ERROR (qtmr, RESOURCE, OPEN_READ_WRITE,
218 ("Failed to open fixed-output file"), (NULL));
221 GST_OBJECT_UNLOCK (qtmr);
223 GST_DEBUG_OBJECT (qtmr, "Parsing input files");
224 /* now create our structures */
225 mdat_recov = mdat_recov_file_create (mdatinput, qtmr->faststart_mode, &err);
227 if (mdat_recov == NULL) {
228 GST_ELEMENT_ERROR (qtmr, RESOURCE, FAILED,
229 ("Broken file could not be parsed correctly"), (NULL));
232 moov_recov = moov_recov_file_create (moovrec, &err);
234 if (moov_recov == NULL) {
235 GST_ELEMENT_ERROR (qtmr, RESOURCE, FAILED,
236 ("Recovery file could not be parsed correctly"), (NULL));
240 /* now parse the buffers data from moovrec */
241 if (!moov_recov_parse_buffers (moov_recov, mdat_recov, &err)) {
245 GST_DEBUG_OBJECT (qtmr, "Writing fixed file to output");
246 if (!moov_recov_write_file (moov_recov, mdat_recov, output, &err)) {
250 /* here means success */
251 GST_DEBUG_OBJECT (qtmr, "Finished successfully, posting EOS");
252 gst_element_post_message (GST_ELEMENT_CAST (qtmr),
253 gst_message_new_eos (GST_OBJECT_CAST (qtmr)));
256 GST_LOG_OBJECT (qtmr, "Finalizing task");
258 GST_ELEMENT_ERROR (qtmr, RESOURCE, FAILED, ("%s", err->message), (NULL));
263 moov_recov_file_free (moov_recov);
268 mdat_recov_file_free (mdat_recov);
274 GST_LOG_OBJECT (qtmr, "Leaving task");
275 gst_task_stop (qtmr->task);
279 gst_qt_moov_recover_get_property (GObject * object,
280 guint prop_id, GValue * value, GParamSpec * pspec)
282 GstQTMoovRecover *qtmr = GST_QT_MOOV_RECOVER_CAST (object);
284 GST_OBJECT_LOCK (qtmr);
286 case PROP_FAST_START_MODE:
287 g_value_set_boolean (value, qtmr->faststart_mode);
289 case PROP_BROKEN_INPUT:
290 g_value_set_string (value, qtmr->broken_input);
292 case PROP_RECOVERY_INPUT:
293 g_value_set_string (value, qtmr->recovery_input);
295 case PROP_FIXED_OUTPUT:
296 g_value_set_string (value, qtmr->fixed_output);
299 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
302 GST_OBJECT_UNLOCK (qtmr);
306 gst_qt_moov_recover_set_property (GObject * object,
307 guint prop_id, const GValue * value, GParamSpec * pspec)
309 GstQTMoovRecover *qtmr = GST_QT_MOOV_RECOVER_CAST (object);
311 GST_OBJECT_LOCK (qtmr);
313 case PROP_FAST_START_MODE:
314 qtmr->faststart_mode = g_value_get_boolean (value);
316 case PROP_BROKEN_INPUT:
317 g_free (qtmr->broken_input);
318 qtmr->broken_input = g_value_dup_string (value);
320 case PROP_RECOVERY_INPUT:
321 g_free (qtmr->recovery_input);
322 qtmr->recovery_input = g_value_dup_string (value);
324 case PROP_FIXED_OUTPUT:
325 g_free (qtmr->fixed_output);
326 qtmr->fixed_output = g_value_dup_string (value);
329 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
332 GST_OBJECT_UNLOCK (qtmr);
335 static GstStateChangeReturn
336 gst_qt_moov_recover_change_state (GstElement * element,
337 GstStateChange transition)
339 GstStateChangeReturn ret;
340 GstQTMoovRecover *qtmr = GST_QT_MOOV_RECOVER_CAST (element);
342 switch (transition) {
343 case GST_STATE_CHANGE_NULL_TO_READY:
344 qtmr->task = gst_task_new (gst_qt_moov_recover_run, qtmr, NULL);
345 g_rec_mutex_init (&qtmr->task_mutex);
346 gst_task_set_lock (qtmr->task, &qtmr->task_mutex);
348 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
349 gst_task_start (qtmr->task);
355 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
357 switch (transition) {
358 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
359 gst_task_stop (qtmr->task);
360 gst_task_join (qtmr->task);
362 case GST_STATE_CHANGE_READY_TO_NULL:
363 if (gst_task_get_state (qtmr->task) != GST_TASK_STOPPED)
364 GST_ERROR ("task %p should be stopped by now", qtmr->task);
365 gst_object_unref (qtmr->task);
367 g_rec_mutex_clear (&qtmr->task_mutex);
377 gst_qt_moov_recover_register (GstPlugin * plugin)
379 return gst_element_register (plugin, "qtmoovrecover", GST_RANK_NONE,
380 GST_TYPE_QT_MOOV_RECOVER);