2 * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @file mediademuxer_port_gst.c
19 * @brief Handling for GStreamer Port, defined function and there implementation
24 #include <mediademuxer_error.h>
25 #include <mediademuxer_private.h>
26 #include <mediademuxer_port.h>
27 #include <mediademuxer_port_gst.h>
28 #include <media_packet_internal.h>
30 static int gst_demuxer_init(MMHandleType *pHandle);
31 static int gst_demuxer_prepare(MMHandleType pHandle, char *uri);
32 static int gst_demuxer_get_data_count(MMHandleType pHandle, int *count);
33 static int gst_demuxer_set_track(MMHandleType pHandle, int track);
34 static int gst_demuxer_start(MMHandleType pHandle);
35 static int gst_demuxer_read_sample(MMHandleType pHandle,
36 media_packet_h *outbuf, int track_indx);
37 static int gst_demuxer_get_track_info(MMHandleType pHandle,
38 media_format_h *format, int index);
39 static int gst_demuxer_seek(MMHandleType pHandle, gint64 pos1);
40 static int gst_demuxer_unset_track(MMHandleType pHandle, int track);
41 static int gst_demuxer_stop(MMHandleType pHandle);
42 static int gst_demuxer_unprepare(MMHandleType pHandle);
43 static int gst_demuxer_destroy(MMHandleType pHandle);
44 static int gst_set_error_cb(MMHandleType pHandle,
45 gst_error_cb callback, void* user_data);
46 static int gst_set_eos_cb(MMHandleType pHandle,
47 gst_eos_cb callback, void *user_data);
48 static int __gst_eos_callback(int track_num, void* user_data);
50 /* Media Demuxer API common */
51 static media_port_demuxer_ops def_demux_ops = {
53 .init = gst_demuxer_init,
54 .prepare = gst_demuxer_prepare,
55 .get_track_count = gst_demuxer_get_data_count,
56 .set_track = gst_demuxer_set_track,
57 .start = gst_demuxer_start,
58 .get_track_info = gst_demuxer_get_track_info,
59 .read_sample = gst_demuxer_read_sample,
60 .seek = gst_demuxer_seek,
61 .unset_track = gst_demuxer_unset_track,
62 .stop = gst_demuxer_stop,
63 .unprepare = gst_demuxer_unprepare,
64 .destroy = gst_demuxer_destroy,
65 .set_error_cb = gst_set_error_cb,
66 .set_eos_cb = gst_set_eos_cb,
69 int gst_mediademxer_port_register(media_port_demuxer_ops *pOps)
71 MEDIADEMUXER_FENTER();
72 int ret = MD_ERROR_NONE;
73 MEDIADEMUXER_CHECK_NULL(pOps);
74 def_demux_ops.n_size = sizeof(def_demux_ops);
76 memcpy((char *)pOps + sizeof(pOps->n_size),
77 (char *)&def_demux_ops + sizeof(def_demux_ops.n_size),
78 pOps->n_size - sizeof(pOps->n_size));
80 MEDIADEMUXER_FLEAVE();
84 static int gst_demuxer_init(MMHandleType *pHandle)
86 MEDIADEMUXER_FENTER();
87 int ret = MD_ERROR_NONE;
88 mdgst_handle_t *new_mediademuxer = NULL;
89 new_mediademuxer = (mdgst_handle_t *) g_malloc(sizeof(mdgst_handle_t));
90 MD_I("gst_demuxer_init allocating new_mediademuxer:%p\n", new_mediademuxer);
91 if (!new_mediademuxer) {
92 MD_E("Cannot allocate memory for demuxer\n");
96 memset(new_mediademuxer, 0, sizeof(mdgst_handle_t));
97 new_mediademuxer->is_prepared = false;
98 (new_mediademuxer->info).num_audio_track = 0;
99 (new_mediademuxer->info).num_video_track = 0;
100 (new_mediademuxer->info).num_subtitle_track = 0;
101 (new_mediademuxer->info).num_other_track = 0;
102 (new_mediademuxer->info).head = NULL;
103 *pHandle = (MMHandleType) new_mediademuxer;
104 new_mediademuxer->total_tracks = 0;
105 MEDIADEMUXER_FLEAVE();
108 MEDIADEMUXER_FLEAVE();
112 gboolean __gst_bus_call(GstBus *bus, GstMessage *msg, gpointer data)
114 MEDIADEMUXER_FENTER();
115 int ret = MD_ERROR_NONE;
116 switch (GST_MESSAGE_TYPE(msg)) {
117 case GST_MESSAGE_EOS: {
121 case GST_MESSAGE_ERROR: {
122 GError *error = NULL;
123 gst_message_parse_error(msg, &error, NULL);
125 MD_I("GST error message parsing failed");
128 MD_E("Error: %s\n", error->message);
135 MEDIADEMUXER_FLEAVE();
139 static void __gst_no_more_pad(GstElement *element, gpointer data)
141 MEDIADEMUXER_FENTER();
142 mdgst_handle_t *gst_handle = (mdgst_handle_t *) data;
144 track_info *head_track = &(gst_handle->info);
145 track *head = head_track->head;
146 gst_handle->selected_tracks =
147 (bool *) g_malloc(sizeof(bool) * (gst_handle->total_tracks));
148 MD_I("Allocating %p to core->selected_tracks \n", gst_handle->selected_tracks);
149 if (!gst_handle->selected_tracks) {
150 MD_E("[%s]Memory allocation failed\n", __FUNCTION__);
153 for (loop_track = 0; loop_track < gst_handle->total_tracks;
155 gst_handle->selected_tracks[loop_track] = false;
157 MD_I("Number of video tracks are %d\n", head_track->num_video_track);
158 MD_I("Number of audio tracks are %d\n", head_track->num_audio_track);
159 MD_I("Number of subtitle tracks are %d\n",
160 head_track->num_subtitle_track);
161 MD_I("Number of other tracks are %d\n", head_track->num_other_track);
163 MD_I("track caps[%s]\n", head->name);
166 gst_handle->is_prepared = true;
167 MD_I("core->is_prepared: ");
168 gst_handle->is_prepared ? MD_I("true\n") : MD_I("false\n");
169 MEDIADEMUXER_FLEAVE();
172 void __gst_free_stuct(track **head)
174 MEDIADEMUXER_FENTER();
180 MD_I("deallocate GST_PAD %p\n", temp->pad);
181 gst_object_unref(temp->pad);
184 MD_I("deallocate GST_PAD caps_ %p\n", temp->caps);
185 gst_caps_unref(temp->caps);
188 MD_I("deallocate GST_PAD name %p\n", temp->name);
191 if (temp->caps_string) {
192 MD_I("deallocate GST_PAD caps_string %p\n",
194 g_free(temp->caps_string);
197 MD_I("unref media_format %p\n", temp->format);
198 media_format_unref(temp->format);
201 track *next = temp->next;
202 MD_I("deallocate memory %p\n", temp);
206 MD_I("deallocate memory %p\n", temp);
212 MEDIADEMUXER_FLEAVE();
215 int __gst_add_track_info(GstPad *pad, gchar *name, track **head,
216 GstElement *pipeline)
218 MEDIADEMUXER_FENTER();
219 GstPad *apppad = NULL;
220 GstPad *queue_sink_pad = NULL;
221 GstPad *queue_src_pad = NULL;
222 GstCaps *outcaps = NULL;
223 GstPad *parse_sink_pad = NULL;
224 GstElement *parse_element = NULL;
227 temp = (track *)(g_malloc(sizeof(track)));
229 MD_E("Not able to allocate memory");
232 MD_I("allocate memory %p", temp);
235 temp->caps = gst_pad_get_current_caps(pad);
237 temp->caps_string = gst_caps_to_string(temp->caps);
241 /* Link demuxer - queue */
242 temp->queue = gst_element_factory_make("queue", NULL);
244 MD_E("factory not able to make queue");
248 if (!gst_bin_add(GST_BIN(pipeline), temp->queue)) {
249 MD_E("fail add queue in pipeline");
253 queue_sink_pad = gst_element_get_static_pad(temp->queue, "sink");
254 if (!queue_sink_pad) {
255 MD_E("queue_sink_pad of appsink not avaible");
259 MEDIADEMUXER_SET_STATE(temp->queue, GST_STATE_PAUSED, ERROR);
260 MEDIADEMUXER_LINK_PAD(pad, queue_sink_pad, ERROR);
262 temp->appsink = gst_element_factory_make("appsink", NULL);
263 if (!temp->appsink) {
264 MD_E("factory not able to make appsink");
268 if (!gst_bin_add(GST_BIN(pipeline), temp->appsink)) {
269 MD_E("fail add queue in pipeline");
273 gst_app_sink_set_max_buffers((GstAppSink *) temp->appsink, (guint) 0);
274 gst_app_sink_set_drop((GstAppSink *) temp->appsink, true);
275 MEDIADEMUXER_SET_STATE(temp->appsink, GST_STATE_PAUSED, ERROR);
277 queue_src_pad = gst_element_get_static_pad(temp->queue, "src");
278 if (!queue_src_pad) {
279 MD_E("queue_src_pad of appsink not avaible");
282 apppad = gst_element_get_static_pad(temp->appsink, "sink");
284 MD_E("sink pad of appsink not avaible");
287 /* Check for type video and it should be h264 */
288 if (strstr(name, "video") && strstr(temp->caps_string, "h264")) {
289 parse_element = gst_element_factory_make("h264parse", NULL);
290 if (!parse_element) {
291 MD_E("factory not able to make h264parse");
294 if (!gst_bin_add(GST_BIN(pipeline), parse_element)) {
295 MD_E("fail add h264parse in pipeline");
298 parse_sink_pad = gst_element_get_static_pad(parse_element, "sink");
299 if (!parse_sink_pad) {
300 gst_object_unref(parse_element);
301 MD_E("sink pad of h264parse not available");
305 MEDIADEMUXER_SET_STATE(parse_element, GST_STATE_PAUSED, ERROR);
307 /* Link demuxer pad with sink pad of parse element */
308 MEDIADEMUXER_LINK_PAD(queue_src_pad, parse_sink_pad, ERROR);
310 outcaps = gst_caps_new_simple("video/x-h264", "stream-format", G_TYPE_STRING, "byte-stream", NULL);
311 gst_element_link_filtered(parse_element, temp->appsink, outcaps);
312 gst_caps_unref(outcaps);
313 } else if (strstr(name, "video") && strstr(temp->caps_string, "mpeg")) {
314 parse_element = gst_element_factory_make("mpeg4videoparse", NULL);
315 if (!parse_element) {
316 MD_E("factory not able to make mpeg4videoparse");
319 if (!gst_bin_add(GST_BIN(pipeline), parse_element)) {
320 MD_E("fail add mpeg4videoparse in pipeline");
323 parse_sink_pad = gst_element_get_static_pad(parse_element, "sink");
324 if (!parse_sink_pad) {
325 gst_object_unref(parse_element);
326 MD_E("sink pad of mpeg4videoparse not available");
330 g_object_set(G_OBJECT(parse_element), "config-interval", 1, NULL);
332 MEDIADEMUXER_SET_STATE(parse_element, GST_STATE_PAUSED, ERROR);
334 /* Link demuxer pad with sink pad of parse element */
335 MEDIADEMUXER_LINK_PAD(queue_src_pad, parse_sink_pad, ERROR);
336 gst_element_link(parse_element, temp->appsink);
338 MEDIADEMUXER_LINK_PAD(queue_src_pad, apppad, ERROR);
340 /* gst_pad_link(pad, fpad) */
350 gst_object_unref(queue_sink_pad);
352 gst_object_unref(queue_src_pad);
354 gst_object_unref(apppad);
356 gst_object_unref(parse_sink_pad);
357 MEDIADEMUXER_FLEAVE();
358 return MD_ERROR_NONE;
362 gst_object_unref(temp->caps);
363 if (temp->caps_string)
364 g_free(temp->caps_string);
366 gst_object_unref(temp->queue);
368 gst_object_unref(temp->appsink);
370 gst_object_unref(queue_sink_pad);
372 gst_object_unref(queue_src_pad);
374 gst_object_unref(apppad);
376 gst_object_unref(parse_sink_pad);
377 __gst_free_stuct(head);
378 MEDIADEMUXER_FLEAVE();
382 static void __gst_on_pad_added(GstElement *element, GstPad *pad, gpointer data)
384 MEDIADEMUXER_FENTER();
385 MD_I("Dynamic pad created, linking demuxer/decoder\n");
387 mdgst_handle_t *gst_handle = (mdgst_handle_t *) data;
388 track_info *head_track = &(gst_handle->info);
389 gchar *name = gst_pad_get_name(pad);
390 gst_handle->total_tracks++;
391 if (__gst_add_track_info(pad, name, &(head_track->head), gst_handle->pipeline)
393 MD_E("unable to added track info");
394 head_track->num_audio_track = 0;
395 head_track->num_video_track = 0;
396 head_track->num_subtitle_track = 0;
397 head_track->num_other_track = 0;
398 __gst_free_stuct(&(head_track->head));
401 tmp = head_track->head;
404 if (!tmp || !tmp->caps_string) {
405 MD_I("trak or trak caps_string is NULL\n");
406 MEDIADEMUXER_FLEAVE();
409 if (tmp->caps_string[0] == 'v') {
410 MD_I("found Video Pad\n");
411 (head_track->num_video_track)++;
412 } else if (tmp->caps_string[0] == 'a') {
413 MD_I("found Audio Pad\n");
414 (head_track->num_audio_track)++;
415 } else if (tmp->caps_string[0] == 's') {
416 MD_I("found subtitle(or Text) Pad\n");
417 (head_track->num_subtitle_track)++;
419 MD_W("found Pad %s\n", name);
420 (head_track->num_other_track)++;
422 MEDIADEMUXER_FLEAVE();
425 static int __gst_create_audio_only_pipeline(gpointer data, GstCaps *caps)
427 MEDIADEMUXER_FENTER();
428 mdgst_handle_t *gst_handle = (mdgst_handle_t *) data;
430 GstPad *aud_pad = NULL;
431 GstPad *queue_srcpad = NULL;
432 GstPad *queue_sinkpad = NULL;
433 GstPad *aud_srcpad = NULL;
434 GstPad *fake_pad = NULL;
435 GstElement *id3tag = NULL;
436 GstElement *adif_queue = NULL;
439 track_info *head_track = &(gst_handle->info);
441 gst_handle->is_valid_container = true;
442 type = gst_caps_to_string(caps);
443 if (strstr(type, "adts") || strstr(type, "adif")) {
444 gst_handle->demux = gst_element_factory_make("aacparse", NULL);
445 } else if (strstr(type, "audio/mpeg")) {
446 gst_handle->demux = gst_element_factory_make("mpegaudioparse", NULL);
447 } else if (strstr(type, "application/x-id3")) {
448 id3tag = gst_element_factory_make("id3demux", NULL);
449 gst_handle->demux = gst_element_factory_make("mpegaudioparse", NULL);
450 } else if (strstr(type, "audio/x-amr-nb-sh")
451 || strstr(type, "audio/x-amr-wb-sh")) {
452 gst_handle->demux = gst_element_factory_make("amrparse", NULL);
453 } else if (strstr(type, "audio/x-wav")) {
454 gst_handle->demux = gst_element_factory_make("wavparse", NULL);
455 } else if (strstr(type, "audio/x-flac")) {
456 gst_handle->demux = gst_element_factory_make("flacparse", NULL);
459 if (!gst_handle->demux) {
460 gst_handle->is_valid_container = false;
461 MD_E("factory not able to create audio parse element\n");
464 gst_bin_add_many(GST_BIN(gst_handle->pipeline),
465 gst_handle->demux, id3tag, NULL);
466 pad = gst_element_get_static_pad(gst_handle->typefind, "src");
468 MD_E("fail to get typefind src pad.\n");
472 aud_pad = gst_element_get_static_pad(gst_handle->demux, "sink");
474 aud_pad = gst_element_get_static_pad(id3tag, "sink");
476 MD_E("fail to get audio parse sink pad.\n");
479 fake_pad = gst_element_get_static_pad(gst_handle->fakesink, "sink");
481 MD_E("fail to get fakesink sink pad.\n");
484 gst_pad_unlink(pad, fake_pad);
486 MEDIADEMUXER_SET_STATE(gst_handle->demux,
487 GST_STATE_PAUSED, ERROR);
489 MEDIADEMUXER_SET_STATE(id3tag, GST_STATE_PAUSED, ERROR);
490 MEDIADEMUXER_SET_STATE(gst_handle->demux,
491 GST_STATE_PAUSED, ERROR);
492 gst_element_link(id3tag, gst_handle->demux);
496 /* calling "on_pad_added" function to set the caps */
497 aud_srcpad = gst_element_get_static_pad(gst_handle->demux, "src");
499 MD_E("fail to get audioparse source pad.\n");
502 gst_handle->total_tracks++;
503 name = gst_pad_get_name(aud_srcpad);
504 if (__gst_add_track_info(aud_srcpad, name, &(head_track->head), gst_handle->pipeline)
506 MD_E("unable to added track info");
507 head_track->num_audio_track = 0;
508 head_track->num_video_track = 0;
509 head_track->num_subtitle_track = 0;
510 head_track->num_other_track = 0;
511 __gst_free_stuct(&(head_track->head));
514 if (strstr(type, "adif")) {
515 adif_queue = gst_element_factory_make("queue", NULL);
517 MD_E("factory not able to make queue in case of adif aac\n");
520 /* Add this queue to the pipeline */
521 gst_bin_add_many(GST_BIN(gst_handle->pipeline), adif_queue, NULL);
522 queue_srcpad = gst_element_get_static_pad(adif_queue, "src");
524 MD_E("fail to get queue src pad for adif aac.\n");
527 queue_sinkpad = gst_element_get_static_pad(adif_queue, "sink");
528 if (!queue_sinkpad) {
529 MD_E("fail to get queue sink pad for adif aac.\n");
532 /* link typefind with queue */
533 MEDIADEMUXER_LINK_PAD(pad, queue_sinkpad, ERROR);
534 /* link queue with aacparse */
535 MEDIADEMUXER_LINK_PAD(queue_srcpad, aud_pad, ERROR);
537 MEDIADEMUXER_LINK_PAD(pad, aud_pad, ERROR);
540 MEDIADEMUXER_SET_STATE(adif_queue, GST_STATE_PAUSED, ERROR);
542 trck = head_track->head;
543 while (trck != NULL && aud_srcpad != trck->pad)
548 gst_caps_unref(trck->caps);
550 if (trck->caps_string)
551 g_free(trck->caps_string);
552 trck->caps_string = gst_caps_to_string(trck->caps);
553 MD_I("caps set to %s\n", trck->caps_string);
556 g_strlcpy(name, "audio", strlen(name));
559 (head_track->num_audio_track)++;
563 gst_object_unref(pad);
565 gst_object_unref(aud_pad);
567 gst_object_unref(fake_pad);
569 gst_object_unref(queue_sinkpad);
571 gst_object_unref(queue_srcpad);
573 gst_object_unref(aud_srcpad);
575 __gst_no_more_pad(gst_handle->demux, data);
577 MEDIADEMUXER_FLEAVE();
578 return MD_ERROR_NONE;
580 gst_handle->is_valid_container = false;
581 if (gst_handle->demux)
582 gst_object_unref(gst_handle->demux);
584 gst_object_unref(pad);
586 gst_object_unref(aud_pad);
588 gst_object_unref(fake_pad);
590 gst_object_unref(aud_srcpad);
592 gst_object_unref(queue_sinkpad);
594 gst_object_unref(queue_srcpad);
596 MEDIADEMUXER_FLEAVE();
600 static void __gst_cb_typefind(GstElement *tf, guint probability,
601 GstCaps *caps, gpointer data)
603 MEDIADEMUXER_FENTER();
604 mdgst_handle_t *gst_handle = (mdgst_handle_t *) data;
606 GstPad *demuxer_pad = NULL;
607 GstPad *fake_pad = NULL;
609 type = gst_caps_to_string(caps);
611 MD_I("Media type %s found, probability %d%%\n", type, probability);
612 if (strstr(type, "quicktime") || (strstr(type, "audio/x-m4a")) || strstr(type, "x-3gp")
613 || strstr(type, "ogg") || strstr(type, "flv")) {
614 gst_handle->is_valid_container = true;
615 if (strstr(type, "ogg"))
616 gst_handle->demux = gst_element_factory_make("oggdemux", NULL);
617 else if (strstr(type, "flv"))
618 gst_handle->demux = gst_element_factory_make("flvdemux", NULL);
620 gst_handle->demux = gst_element_factory_make("qtdemux", NULL);
622 if (!gst_handle->demux) {
623 gst_handle->is_valid_container = false;
624 MD_E("factory not able to create qtdemux\n");
627 g_signal_connect(gst_handle->demux, "pad-added",
628 G_CALLBACK(__gst_on_pad_added), gst_handle);
629 g_signal_connect(gst_handle->demux, "no-more-pads",
630 G_CALLBACK(__gst_no_more_pad), gst_handle);
631 gst_bin_add_many(GST_BIN(gst_handle->pipeline),
632 gst_handle->demux, NULL);
633 pad = gst_element_get_static_pad(gst_handle->typefind, "src");
635 MD_E("fail to get typefind src pad.\n");
638 demuxer_pad = gst_element_get_static_pad(gst_handle->demux, "sink");
640 MD_E("fail to get qtdemuc sink pad.\n");
643 fake_pad = gst_element_get_static_pad(gst_handle->fakesink, "sink");
645 MD_E("fail to get fakesink sink pad.\n");
648 gst_pad_unlink(pad, fake_pad);
649 MEDIADEMUXER_LINK_PAD(pad, demuxer_pad, ERROR);
650 MEDIADEMUXER_SET_STATE(gst_handle->demux,
651 GST_STATE_PAUSED, ERROR);
653 gst_object_unref(pad);
655 gst_object_unref(demuxer_pad);
657 gst_object_unref(fake_pad);
659 } else if ((strstr(type, "adts"))
660 || (strstr(type, "audio/mpeg"))
661 || (strstr(type, "audio/x-wav"))
662 || (strstr(type, "audio/x-flac"))
663 || (strstr(type, "application/x-id3"))
664 || (strstr(type, "audio/x-amr-nb-sh"))
665 || (strstr(type, "audio/x-amr-wb-sh"))) {
666 MD_I("Audio only format is found\n");
667 __gst_create_audio_only_pipeline(data, caps);
669 gst_handle->is_valid_container = false;
670 MD_E("Not supported container %s\n", type);
674 MEDIADEMUXER_FLEAVE();
677 gst_handle->is_valid_container = false;
678 if (gst_handle->demux)
679 gst_object_unref(gst_handle->demux);
683 gst_object_unref(pad);
685 gst_object_unref(demuxer_pad);
687 gst_object_unref(fake_pad);
688 MEDIADEMUXER_FLEAVE();
692 static int _gst_create_pipeline(mdgst_handle_t *gst_handle, char *uri)
694 MEDIADEMUXER_FENTER();
695 int ret = MD_ERROR_NONE;
698 int remote_streaming = 0;
699 /* Initialize GStreamer */
700 /* Note: Replace the arguments of gst_init to pass the command line args to GStreamer. */
701 gst_init(NULL, NULL);
703 /* Create the empty pipeline */
704 gst_handle->pipeline = gst_pipeline_new("Demuxer Gst pipeline");
705 if (!gst_handle->pipeline) {
706 MD_E("pipeline create fail");
711 /* Create the elements */
712 if ((path = strstr(uri, "http://"))) {
713 gst_handle->filesrc = gst_element_factory_make("souphttpsrc", NULL);
714 remote_streaming = 1;
715 MD_I("Source is http stream. \n");
717 gst_handle->filesrc = gst_element_factory_make("filesrc", NULL);
718 MD_I("Source is file stream \n");
720 if (!gst_handle->filesrc) {
721 MD_E("filesrc creation failed");
726 /* Modify the source's properties */
727 if (remote_streaming == 1)
728 g_object_set(G_OBJECT(gst_handle->filesrc), "location", uri, NULL);
730 g_object_set(G_OBJECT(gst_handle->filesrc), "location", uri + 7, NULL);
731 gst_handle->typefind = gst_element_factory_make("typefind", NULL);
732 if (!gst_handle->typefind) {
733 MD_E("typefind creation failed");
737 g_signal_connect(gst_handle->typefind, "have-type",
738 G_CALLBACK(__gst_cb_typefind), gst_handle);
739 gst_handle->fakesink = gst_element_factory_make("fakesink", NULL);
740 if (!gst_handle->fakesink) {
741 MD_E("fakesink creation failed");
746 /* Build the pipeline */
747 gst_bin_add_many(GST_BIN(gst_handle->pipeline),
749 gst_handle->typefind,
750 gst_handle->fakesink,
752 gst_element_link_many(gst_handle->filesrc,
753 gst_handle->typefind,
754 gst_handle->fakesink,
757 /* connect signals, bus watcher */
758 bus = gst_pipeline_get_bus(GST_PIPELINE(gst_handle->pipeline));
759 gst_handle->bus_watch_id = gst_bus_add_watch(bus, __gst_bus_call, gst_handle);
760 gst_handle->thread_default = g_main_context_get_thread_default();
761 gst_object_unref(GST_OBJECT(bus));
763 /* set pipeline state to PAUSED */
764 MEDIADEMUXER_SET_STATE(gst_handle->pipeline, GST_STATE_PAUSED, ERROR);
767 while (gst_handle->is_prepared != true) {
769 usleep(POLLING_INTERVAL);
770 MD_I("Inside while loop\n");
771 if (count > POLLING_INTERVAL) {
772 MD_E("Error occure\n");
778 MEDIADEMUXER_FLEAVE();
781 MEDIADEMUXER_FLEAVE();
785 static int gst_demuxer_prepare(MMHandleType pHandle, char *uri)
787 MEDIADEMUXER_FENTER();
788 int ret = MD_ERROR_NONE;
789 MEDIADEMUXER_CHECK_NULL(pHandle);
790 mdgst_handle_t *new_mediademuxer = (mdgst_handle_t *) pHandle;
792 MD_I("gst_demuxer_prepare Creating pipeline %p", new_mediademuxer);
793 ret = _gst_create_pipeline(new_mediademuxer, uri);
794 if (ret != MD_ERROR_NONE) {
795 MD_E("_gst_create_pipeline() failed. returned %d\n", ret);
798 MEDIADEMUXER_FLEAVE();
801 MEDIADEMUXER_FLEAVE();
805 static int gst_demuxer_get_data_count(MMHandleType pHandle, int *count)
807 MEDIADEMUXER_FENTER();
808 int ret = MD_ERROR_NONE;
809 MEDIADEMUXER_CHECK_NULL(pHandle);
810 mdgst_handle_t *new_mediademuxer = (mdgst_handle_t *) pHandle;
812 *count = (new_mediademuxer->info).num_video_track +
813 (new_mediademuxer->info).num_audio_track +
814 (new_mediademuxer->info).num_subtitle_track +
815 (new_mediademuxer->info).num_other_track;
816 MEDIADEMUXER_FLEAVE();
820 int _gst_set_appsink(track *temp, int index, int loop)
822 MEDIADEMUXER_FENTER();
823 int ret = MD_ERROR_NONE;
826 while (count != index) {
830 gst_app_sink_set_max_buffers((GstAppSink *)(temp->appsink), (guint) MAX_APP_BUFFER);
831 gst_app_sink_set_drop((GstAppSink *)(temp->appsink), false);
832 MEDIADEMUXER_FLEAVE();
836 static int gst_demuxer_set_track(MMHandleType pHandle, int track)
838 MEDIADEMUXER_FENTER();
839 int ret = MD_ERROR_NONE;
840 MEDIADEMUXER_CHECK_NULL(pHandle);
841 mdgst_handle_t *new_mediademuxer = (mdgst_handle_t *) pHandle;
843 MD_I("total_tracks (%d) :: selected track (%d)", new_mediademuxer->total_tracks, track);
844 if (track >= new_mediademuxer->total_tracks || track < 0) {
845 MD_E("total_tracks is less then selected track, So not support this track");
846 ret = MD_ERROR_INVALID_ARGUMENT;
849 new_mediademuxer->selected_tracks[track] = true;
850 _gst_set_appsink((((mdgst_handle_t *) pHandle)->info).head, track,
851 new_mediademuxer->total_tracks);
852 MEDIADEMUXER_FLEAVE();
853 return MD_ERROR_NONE;
855 MEDIADEMUXER_FLEAVE();
859 static int _gst_unlink_unselected_track(track *temp, int index)
861 MEDIADEMUXER_FENTER();
862 int ret = MD_ERROR_NONE;
864 GstPad *queue_sink_pad = NULL;
865 while (count != index) {
869 queue_sink_pad = gst_element_get_static_pad(temp->queue, "sink");
870 if (!queue_sink_pad) {
871 MD_E("queue_sink_pad of appsink not avaible\n");
874 if (gst_pad_unlink(temp->pad, queue_sink_pad) != TRUE)
875 MD_W("demuxer is already unlinked from queue for track %d\n", index);
877 gst_object_unref(queue_sink_pad);
878 MEDIADEMUXER_FLEAVE();
882 static int gst_demuxer_start(MMHandleType pHandle)
884 MEDIADEMUXER_FENTER();
885 int ret = MD_ERROR_NONE;
886 MEDIADEMUXER_CHECK_NULL(pHandle);
887 mdgst_handle_t *gst_handle = (mdgst_handle_t *) pHandle;
890 for (indx = 0; indx < gst_handle->total_tracks; indx++) {
891 MD_I("track indx[%d] is marked as [%d]. (0- not selected, 1= selected)\n",
892 indx, gst_handle->selected_tracks[indx]);
894 if (gst_handle->selected_tracks[indx] == false)
895 _gst_demuxer_unset(pHandle, indx);
897 if (gst_handle->selected_tracks[indx] != true) {
898 if (_gst_unlink_unselected_track((((mdgst_handle_t *) pHandle)->info).head, indx) != MD_ERROR_NONE) {
899 MD_E("Failed to unlink unselected tracks\n");
900 ret = MD_INTERNAL_ERROR;
907 track_info *head_track = &(gst_handle->info);
908 MD_I("Total Audio track=%d, Video track=%d, text track=%d\n",
909 head_track->num_audio_track, head_track->num_video_track,
910 head_track->num_subtitle_track);
912 track *temp = head_track->head;
915 MD_I("Got one element %p\n", temp->appsink);
916 if (gst_element_set_state(temp->appsink, GST_STATE_PLAYING) ==
917 GST_STATE_CHANGE_FAILURE) {
918 MD_E("Failed to set into PLAYING state");
919 ret = MD_INTERNAL_ERROR;
922 MD_I("set the state to playing\n");
925 track *next = temp->next;
932 MD_I("gst_demuxer_start pipeine %p", gst_handle);
933 MEDIADEMUXER_FLEAVE();
936 MEDIADEMUXER_FLEAVE();
940 int _set_mime_text(media_format_h format, track *head)
942 MEDIADEMUXER_FENTER();
943 int ret = MD_ERROR_NONE;
944 GstStructure *struc = NULL;
945 struc = gst_caps_get_structure(head->caps, 0);
947 MD_E("cannot get structure from caps.\n");
950 if (gst_structure_has_name(struc, "text/x-raw")) {
951 if (media_format_set_text_mime(format, MEDIA_FORMAT_TEXT_MP4))
954 MD_I("Text mime not supported so far\n");
958 MEDIADEMUXER_FLEAVE();
961 MEDIADEMUXER_FLEAVE();
965 int _set_mime_video(media_format_h format, track *head)
967 MEDIADEMUXER_FENTER();
968 int ret = MD_ERROR_NONE;
969 GstStructure *struc = NULL;
972 int frame_rate_numerator = 0;
973 int frame_rate_denominator = 0;
974 media_format_mimetype_e mime_type = MEDIA_FORMAT_MAX;
975 struc = gst_caps_get_structure(head->caps, 0);
977 MD_E("cannot get structure from caps.\n");
980 if (gst_structure_has_name(struc, "video/x-h264")) {
981 const gchar *version = gst_structure_get_string(struc, "stream-format");
982 if (strncmp(version, "avc", 3) == 0) {
983 mime_type = MEDIA_FORMAT_H264_SP;
985 MD_W("Video mime (%s) not supported so far\n", gst_structure_get_name(struc));
988 } else if (gst_structure_has_name(struc, "video/x-h263")) {
989 mime_type = MEDIA_FORMAT_H263;
990 } else if (gst_structure_has_name(struc, "video/mpeg")) {
991 mime_type = MEDIA_FORMAT_MPEG4_SP;
993 MD_W("Video mime (%s) not supported so far\n", gst_structure_get_name(struc));
996 if (media_format_set_video_mime(format, mime_type)) {
997 MD_E("Unable to set video mime type (%x)\n", mime_type);
1000 gst_structure_get_int(struc, "width", &src_width);
1001 gst_structure_get_int(struc, "height", &src_height);
1002 if (media_format_set_video_width(format, src_width)) {
1003 MD_E("Unable to set video width\n");
1006 if (media_format_set_video_height(format, src_height)) {
1007 MD_E("Unable to set video height\n");
1010 gst_structure_get_fraction(struc, "framerate", &frame_rate_numerator, &frame_rate_denominator);
1011 if (media_format_set_video_frame_rate(format, frame_rate_numerator)) {
1012 MD_E("Unable to set video frame rate\n");
1015 MEDIADEMUXER_FLEAVE();
1018 MEDIADEMUXER_FLEAVE();
1022 int _set_mime_audio(media_format_h format, track *head)
1024 MEDIADEMUXER_FENTER();
1025 int ret = MD_ERROR_NONE;
1026 GstStructure *struc = NULL;
1031 const gchar *stream_format;
1032 media_format_mimetype_e mime_type = MEDIA_FORMAT_MAX;
1034 struc = gst_caps_get_structure(head->caps, 0);
1036 MD_E("cannot get structure from caps.\n");
1040 if (gst_structure_has_name(struc, "application/x-id3"))
1042 if (gst_structure_has_name(struc, "audio/mpeg") || id3_flag) {
1045 gst_structure_get_int(struc, "mpegversion", &mpegversion);
1046 if (mpegversion == 4 || mpegversion == 2) {
1047 mime_type = MEDIA_FORMAT_AAC_LC;
1048 stream_format = gst_structure_get_string(struc, "stream-format");
1049 if (strncmp(stream_format, "adts", 4) == 0)
1050 media_format_set_audio_aac_type(format, 1);
1052 media_format_set_audio_aac_type(format, 0);
1053 } else if (mpegversion == 1 || id3_flag) {
1054 gst_structure_get_int(struc, "layer", &layer);
1055 if ((layer == 3) || (id3_flag == 1)) {
1056 mime_type = MEDIA_FORMAT_MP3;
1058 MD_I("No Support for MPEG%d Layer %d media\n", mpegversion, layer);
1062 } else if (gst_structure_has_name(struc, "audio/x-amr-nb-sh") ||
1063 gst_structure_has_name(struc, "audio/x-amr-wb-sh")) {
1064 if (gst_structure_has_name(struc, "audio/x-amr-nb-sh")) {
1065 mime_type = MEDIA_FORMAT_AMR_NB;
1068 mime_type = MEDIA_FORMAT_AMR_WB;
1071 } else if (gst_structure_has_name(struc, "audio/AMR")) {
1072 mime_type = MEDIA_FORMAT_AMR_NB;
1073 } else if (gst_structure_has_name(struc, "audio/AMR-WB")) {
1074 mime_type = MEDIA_FORMAT_AMR_WB;
1075 } else if (gst_structure_has_name(struc, "audio/x-wav")) {
1076 mime_type = MEDIA_FORMAT_PCM;
1077 } else if (gst_structure_has_name(struc, "audio/x-flac")) {
1078 mime_type = MEDIA_FORMAT_FLAC;
1079 } else if (gst_structure_has_name(struc, "audio/x-vorbis")) {
1080 mime_type = MEDIA_FORMAT_VORBIS;
1082 MD_W("Audio mime (%s) not supported so far\n", gst_structure_get_name(struc));
1085 if (media_format_set_audio_mime(format, mime_type))
1087 gst_structure_get_int(struc, "channels", &channels);
1088 if (channels == 0) { /* default */
1089 if (mime_type == MEDIA_FORMAT_AMR_NB || mime_type == MEDIA_FORMAT_AMR_WB)
1094 if (media_format_set_audio_channel(format, channels))
1097 gst_structure_get_int(struc, "rate", &rate);
1099 rate = 44100; /* default */
1100 if (media_format_set_audio_samplerate(format, rate))
1102 gst_structure_get_int(struc, "bit", &bit);
1104 bit = 16; /* default */
1105 if (media_format_set_audio_bit(format, bit))
1107 MEDIADEMUXER_FLEAVE();
1110 MEDIADEMUXER_FLEAVE();
1114 static int gst_demuxer_get_track_info(MMHandleType pHandle,
1115 media_format_h *format, int index)
1117 MEDIADEMUXER_FENTER();
1118 int ret = MD_ERROR_NONE;
1119 MEDIADEMUXER_CHECK_NULL(pHandle);
1120 mdgst_handle_t *new_mediademuxer = (mdgst_handle_t *) pHandle;
1125 temp = (new_mediademuxer->info).head;
1126 loop = (new_mediademuxer->info).num_video_track +
1127 (new_mediademuxer->info).num_audio_track +
1128 (new_mediademuxer->info).num_subtitle_track +
1129 (new_mediademuxer->info).num_other_track;
1130 if (index >= loop || index < 0) {
1131 MD_E("total tracks(loop) is less then selected track(index), So not support this track");
1136 while (count != index) {
1140 if (temp->format != NULL) {
1141 ret = media_format_ref(temp->format);
1142 if (ret != MEDIA_FORMAT_ERROR_NONE) {
1143 MD_E("Mediaformat reference count increment failed. returned %d\n", ret);
1144 ret = MD_INTERNAL_ERROR;
1147 ret = media_format_make_writable(temp->format, format); /* copy the content */
1148 if (ret != MEDIA_FORMAT_ERROR_NONE) {
1149 MD_E("Mediaformat create copy failed. returned %d\n", ret);
1150 media_format_unref(temp->format);
1151 ret = MD_INTERNAL_ERROR;
1154 MEDIADEMUXER_FLEAVE();
1157 ret = media_format_create(&(temp->format));
1158 if (ret != MEDIA_FORMAT_ERROR_NONE) {
1159 MD_E("Mediaformat creation failed. returned %d\n", ret);
1160 ret = MD_INTERNAL_ERROR;
1164 MD_I("CAPS for selected track [%d] is [%s]\n", index, temp->caps_string);
1165 MD_I("format ptr[%p]\n", temp->format);
1166 if (temp->caps_string[0] == 'a') {
1167 MD_I("Setting for Audio \n");
1168 _set_mime_audio(temp->format, temp);
1169 } else if (temp->caps_string[0] == 'v') {
1170 MD_I("Setting for Video \n");
1171 _set_mime_video(temp->format, temp);
1172 } else if (temp->caps_string[0] == 't') {
1173 MD_I("Setting for Subtitle\n");
1174 _set_mime_text(temp->format, temp);
1176 MD_W("Not supported so far (except audio, video and subtitle)\n");
1179 ret = media_format_ref(temp->format); /* increment the ref to retain the original content */
1180 if (ret != MEDIA_FORMAT_ERROR_NONE) {
1181 MD_E("Mediaformat reference count increment failed. returned %d\n", ret);
1182 ret = MD_INTERNAL_ERROR;
1185 ret = media_format_make_writable(temp->format, format); /* copy the content */
1186 if (ret != MEDIA_FORMAT_ERROR_NONE) {
1187 MD_E("Mediaformat create copy failed. returned %d\n", ret);
1188 media_format_unref(temp->format);
1189 ret = MD_INTERNAL_ERROR;
1192 MEDIADEMUXER_FLEAVE();
1195 MEDIADEMUXER_FLEAVE();
1199 static int _gst_copy_buf_to_media_packet(media_packet_h out_pkt,
1200 GstBuffer *buffer, GstBuffer *codec_data)
1202 MEDIADEMUXER_FENTER();
1203 int ret = MD_ERROR_NONE;
1204 MEDIADEMUXER_CHECK_NULL(out_pkt);
1209 if (!gst_buffer_map(buffer, &map, GST_MAP_READ)) {
1210 MD_E("gst_buffer_map failed\n");
1211 ret = MD_ERROR_UNKNOWN;
1215 media_packet_get_buffer_size(out_pkt, &size);
1216 MD_I("Media packet Buffer capacity: %llu GST Buffer size = %d\n", size, map.size);
1217 if (size < (uint64_t)map.size) {
1218 MD_W("Media packet Buffer capacity[%llu] is \
1219 less than the GST Buffer size[%d]. Resizing...\n", size, map.size);
1220 ret = media_packet_set_buffer_size(out_pkt, (uint64_t)map.size);
1221 media_packet_get_buffer_size(out_pkt, &size);
1222 MD_I("Media packet Buffer NEW capacity: %llu \n", size);
1224 if (media_packet_get_buffer_data_ptr(out_pkt, &pkt_data)) {
1225 MD_E("unable to get the buffer pointer from media_packet_get_buffer_data_ptr\n");
1226 ret = MD_ERROR_UNKNOWN;
1229 memcpy((char *)pkt_data, map.data, map.size);
1230 if (media_packet_set_pts(out_pkt, GST_BUFFER_PTS(buffer))) {
1231 MD_E("unable to set the pts\n");
1232 ret = MD_ERROR_UNKNOWN;
1235 if (media_packet_set_dts(out_pkt, GST_BUFFER_DTS(buffer))) {
1236 MD_E("unable to set the dts\n");
1237 ret = MD_ERROR_UNKNOWN;
1240 if (media_packet_set_duration(out_pkt, GST_BUFFER_DURATION(buffer))) {
1241 MD_E("unable to set the duration\n");
1242 ret = MD_ERROR_UNKNOWN;
1245 if (media_packet_set_buffer_size(out_pkt, gst_buffer_get_size(buffer))) {
1246 MD_E("unable to set the buffer size\n");
1247 ret = MD_ERROR_UNKNOWN;
1250 if (media_packet_set_flags(out_pkt, GST_BUFFER_FLAGS(buffer))) {
1251 MD_E("unable to set the buffer size\n");
1252 ret = MD_ERROR_UNKNOWN;
1255 /* set codec data into media packet */
1257 GstMapInfo codec_data_map;
1258 if (!gst_buffer_map(codec_data, &codec_data_map, GST_MAP_READ)) {
1259 MD_E("codec data buffer map failed\n");
1260 ret = MD_ERROR_UNKNOWN;
1263 if (media_packet_set_codec_data(out_pkt, (void*)codec_data_map.data,
1264 (unsigned int)codec_data_map.size)) {
1265 MD_E("unable to set the codec data\n");
1266 ret = MD_ERROR_UNKNOWN;
1267 gst_buffer_unmap(codec_data, &codec_data_map);
1270 gst_buffer_unmap(codec_data, &codec_data_map);
1273 gst_buffer_unmap(buffer, &map);
1274 MEDIADEMUXER_FLEAVE();
1278 static int gst_demuxer_read_sample(MMHandleType pHandle,
1279 media_packet_h *outbuf, int track_indx)
1281 MEDIADEMUXER_FENTER();
1282 int ret = MD_ERROR_NONE;
1283 MEDIADEMUXER_CHECK_NULL(pHandle);
1284 mdgst_handle_t *demuxer = (mdgst_handle_t *) pHandle;
1286 media_packet_h mediabuf = NULL;
1289 track *atrack = demuxer->info.head;
1290 if ((demuxer->selected_tracks)[track_indx] == false) {
1291 MD_E("Track Not selected\n");
1296 if (indx == track_indx) /* Got the requird track details */
1299 track *next = atrack->next;
1302 MD_E("Invalid track Index\n");
1303 ret = MD_ERROR_INVALID_ARGUMENT;
1310 MD_E("atrack is NULL\n");
1314 if (indx != track_indx) {
1315 MD_E("Invalid track Index\n");
1316 ret = MD_ERROR_INVALID_ARGUMENT;
1319 GstElement *sink = atrack->appsink;
1320 GstSample *sample = NULL;
1322 sample = gst_app_sink_pull_sample((GstAppSink *) sink);
1323 if (sample == NULL) {
1324 if (gst_app_sink_is_eos((GstAppSink *) sink)) {
1325 MD_W("End of stream (EOS) reached, triggering the eos callback\n");
1326 ret = MD_ERROR_NONE;
1328 __gst_eos_callback(track_indx, demuxer);
1331 MD_E("gst_demuxer_read_sample failed\n");
1333 ret = MD_ERROR_UNKNOWN;
1338 if (media_packet_create_alloc(atrack->format, NULL, NULL, &mediabuf)) {
1339 MD_E("media_packet_create_alloc failed\n");
1344 GstBuffer *buffer = gst_sample_get_buffer(sample);
1345 if (buffer == NULL) {
1346 MD_E("gst_sample_get_buffer returned NULL pointer\n");
1347 ret = MD_ERROR_UNKNOWN;
1351 /* Create the codec data and pass to _gst_copy_buf_to_media_packet() to add into the media packet */
1352 GstStructure *structure = NULL;
1353 const GValue *value = NULL;
1354 GstBuffer *codec_data_buffer = NULL;
1355 structure = gst_caps_get_structure(atrack->caps, 0);
1356 value = gst_structure_get_value(structure, "codec_data");
1358 codec_data_buffer = gst_value_get_buffer(value);
1360 /* Fill the media_packet with proper information */
1361 ret = _gst_copy_buf_to_media_packet(mediabuf, buffer, codec_data_buffer);
1362 gst_sample_unref(sample);
1365 MEDIADEMUXER_FLEAVE();
1369 media_packet_destroy(mediabuf);
1371 MEDIADEMUXER_FLEAVE();
1375 static int gst_demuxer_seek(MMHandleType pHandle, gint64 pos1)
1377 MEDIADEMUXER_FENTER();
1378 MEDIADEMUXER_CHECK_NULL(pHandle);
1379 mdgst_handle_t *gst_handle = (mdgst_handle_t *) pHandle;
1381 gint64 pos = 0, len = 0;
1383 track_info *head_track = &(gst_handle->info);
1384 track *temp = head_track->head;
1385 track *temp_track = head_track->head;
1388 /* Setting each appsink to paused state before seek */
1389 while (temp_track) {
1390 if (gst_handle->selected_tracks[indx] == true) {
1391 if (gst_element_set_state(temp_track->appsink, GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE) {
1392 MD_E("Failed to set into PAUSED state");
1395 MD_I("set the state to paused\n");
1398 if (temp_track->next) {
1399 track *next = temp_track->next;
1406 if (gst_element_query_position(gst_handle->pipeline, GST_FORMAT_TIME, &pos) &&
1407 gst_element_query_duration(gst_handle->pipeline, GST_FORMAT_TIME, &len)) {
1408 MD_I("Time: %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT "\r",
1410 GST_TIME_ARGS(len));
1412 pos1 = pos + (pos1 * GST_SECOND);
1415 MD_I("NEW Time: %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT "\r",
1416 GST_TIME_ARGS(pos1), GST_TIME_ARGS(len));
1420 MD_I("Got one element %p\n", temp->appsink);
1421 if (gst_handle->selected_tracks[indx] == true) {
1422 if (!gst_element_seek(temp->appsink, rate, GST_FORMAT_TIME,
1423 GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET, pos1,
1424 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) {
1425 MD_E("Seek failed!\n");
1428 MD_I("Seek success...setting appsink to playing state\n");
1429 if (gst_element_set_state(temp->appsink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
1430 MD_E("Failed to set into PLAYING state");
1437 track *next = temp->next;
1443 MEDIADEMUXER_FLEAVE();
1444 return MD_ERROR_NONE;
1446 MEDIADEMUXER_FLEAVE();
1450 int _gst_unset_appsink(track *temp, int index, int loop)
1452 MEDIADEMUXER_FENTER();
1453 int ret = MD_ERROR_NONE;
1456 while (count != index) {
1460 gst_app_sink_set_max_buffers((GstAppSink *)(temp->appsink), (guint) 0);
1461 gst_app_sink_set_drop((GstAppSink *)(temp->appsink), true);
1462 MEDIADEMUXER_FLEAVE();
1466 static int gst_demuxer_unset_track(MMHandleType pHandle, int track)
1468 MEDIADEMUXER_FENTER();
1469 int ret = MD_ERROR_NONE;
1470 MEDIADEMUXER_CHECK_NULL(pHandle);
1471 mdgst_handle_t *new_mediademuxer = (mdgst_handle_t *) pHandle;
1473 if (track >= new_mediademuxer->total_tracks || track < 0) {
1474 MD_E("total tracks is less then unselected track, So not support this track");
1475 ret = MD_ERROR_INVALID_ARGUMENT;
1478 new_mediademuxer->selected_tracks[track] = false;
1479 _gst_unset_appsink((((mdgst_handle_t *) pHandle)->info).head, track,
1480 new_mediademuxer->total_tracks);
1481 MEDIADEMUXER_FLEAVE();
1484 MEDIADEMUXER_FLEAVE();
1488 static int gst_demuxer_stop(MMHandleType pHandle)
1490 MEDIADEMUXER_FENTER();
1491 int ret = MD_ERROR_NONE;
1492 MEDIADEMUXER_CHECK_NULL(pHandle);
1493 mdgst_handle_t *gst_handle = (mdgst_handle_t *) pHandle;
1495 MD_I("gst_demuxer_stop pipeine %p", gst_handle);
1496 if (gst_element_set_state(gst_handle->pipeline, GST_STATE_PAUSED) ==
1497 GST_STATE_CHANGE_FAILURE) {
1498 MD_E("Failed to set into PAUSE state");
1499 ret = MD_INTERNAL_ERROR;
1502 MEDIADEMUXER_FLEAVE();
1505 MEDIADEMUXER_FLEAVE();
1509 void _gst_clear_struct(mdgst_handle_t *gst_handle)
1511 MEDIADEMUXER_FENTER();
1512 if (gst_handle->selected_tracks) {
1513 MD_I("Deallocating gst_handle->selected_tracks %p\n",
1514 gst_handle->selected_tracks);
1515 g_free(gst_handle->selected_tracks);
1516 gst_handle->selected_tracks = NULL;
1518 if ((gst_handle->info).head)
1519 __gst_free_stuct(&(gst_handle->info).head);
1520 MEDIADEMUXER_FLEAVE();
1523 int _md_gst_destroy_pipeline(GstElement *pipeline)
1525 MEDIADEMUXER_FENTER();
1526 int ret = MD_ERROR_NONE;
1528 MEDIADEMUXER_SET_STATE(pipeline, GST_STATE_NULL, ERROR);
1530 gst_object_unref(GST_OBJECT(pipeline));
1531 MEDIADEMUXER_FLEAVE();
1535 gst_object_unref(GST_OBJECT(pipeline));
1536 MEDIADEMUXER_FLEAVE();
1540 static int gst_demuxer_unprepare(MMHandleType pHandle)
1542 MEDIADEMUXER_FENTER();
1543 int ret = MD_ERROR_NONE;
1544 MEDIADEMUXER_CHECK_NULL(pHandle);
1545 mdgst_handle_t *gst_handle = (mdgst_handle_t *) pHandle;
1547 _gst_clear_struct(gst_handle);
1548 if (gst_handle->bus_watch_id) {
1549 GSource *source = NULL;
1550 source = g_main_context_find_source_by_id(gst_handle->thread_default, gst_handle->bus_watch_id);
1552 g_source_destroy(source);
1553 LOGD("Deallocation bus watch id");
1557 MD_I("gst_demuxer_stop pipeine %p\n", gst_handle->pipeline);
1558 if (_md_gst_destroy_pipeline(gst_handle->pipeline) != MD_ERROR_NONE) {
1562 MEDIADEMUXER_FLEAVE();
1565 MEDIADEMUXER_FLEAVE();
1569 static int gst_demuxer_destroy(MMHandleType pHandle)
1571 MEDIADEMUXER_FENTER();
1572 int ret = MD_ERROR_NONE;
1573 MEDIADEMUXER_CHECK_NULL(pHandle);
1574 mdgst_handle_t *new_mediademuxer = (mdgst_handle_t *) pHandle;
1576 MD_I("gst_demuxer_destroy deallocating new_mediademuxer:%p\n",
1578 g_free(new_mediademuxer);
1579 MEDIADEMUXER_FLEAVE();
1583 int gst_set_error_cb(MMHandleType pHandle,
1584 gst_error_cb callback, void *user_data)
1586 MEDIADEMUXER_FENTER();
1587 int ret = MD_ERROR_NONE;
1588 MEDIADEMUXER_CHECK_NULL(pHandle);
1589 mdgst_handle_t *gst_handle = (mdgst_handle_t *) pHandle;
1592 MD_E("fail invaild param (gst_handle)\n");
1593 ret = MD_INVALID_ARG;
1597 if (gst_handle->user_cb[_GST_EVENT_TYPE_ERROR]) {
1598 MD_E("Already set mediademuxer_error_cb\n");
1599 ret = MD_ERROR_INVALID_ARGUMENT;
1603 MD_E("fail invaild argument (callback)\n");
1604 ret = MD_ERROR_INVALID_ARGUMENT;
1609 MD_I("Set event handler callback(cb = %p, data = %p)\n", callback, user_data);
1611 gst_handle->user_cb[_GST_EVENT_TYPE_ERROR] = (gst_error_cb) callback;
1612 gst_handle->user_data[_GST_EVENT_TYPE_ERROR] = user_data;
1613 MEDIADEMUXER_FLEAVE();
1614 return MD_ERROR_NONE;
1616 MEDIADEMUXER_FLEAVE();
1620 int gst_set_eos_cb(MMHandleType pHandle, gst_eos_cb callback, void *user_data)
1622 MEDIADEMUXER_FENTER();
1623 int ret = MD_ERROR_NONE;
1624 MEDIADEMUXER_CHECK_NULL(pHandle);
1625 mdgst_handle_t *gst_handle = (mdgst_handle_t *) pHandle;
1628 MD_E("fail invaild param (gst_handle)\n");
1629 ret = MD_INVALID_ARG;
1633 if (gst_handle->user_cb[_GST_EVENT_TYPE_EOS]) {
1634 MD_E("Already set mediademuxer_eos_cb\n");
1635 ret = MD_ERROR_INVALID_ARGUMENT;
1639 MD_E("fail invaild argument (callback)\n");
1640 ret = MD_ERROR_INVALID_ARGUMENT;
1645 MD_I("Set event handler callback(cb = %p, data = %p)\n", callback, user_data);
1646 gst_handle->user_cb[_GST_EVENT_TYPE_EOS] = (gst_eos_cb) callback;
1647 gst_handle->user_data[_GST_EVENT_TYPE_EOS] = user_data;
1648 MEDIADEMUXER_FLEAVE();
1649 return MD_ERROR_NONE;
1651 MEDIADEMUXER_FLEAVE();
1655 static int __gst_eos_callback(int track_num, void* user_data)
1657 if (user_data == NULL) {
1658 MD_E("Invalid argument");
1661 mdgst_handle_t *gst_handle = (mdgst_handle_t *) user_data;
1662 if (gst_handle->user_cb[_GST_EVENT_TYPE_EOS])
1663 ((gst_eos_cb)gst_handle->user_cb[_GST_EVENT_TYPE_EOS])(track_num,
1664 gst_handle->user_data[_GST_EVENT_TYPE_EOS]);
1666 MD_E("EOS received, but callback is not set!!!");
1667 return MD_ERROR_NONE;