src/mm_player_tracks.c

   1 /*
   2  * libmm-player
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: JongHyuk Choi <jhchoi.choi@samsung.com>, naveen cherukuri <naveen.ch@samsung.com>,
   7  * YeJin Cho <cho.yejin@samsung.com>, YoungHwan An <younghwan_.an@samsung.com>
   8  *
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  * http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  */
  22 #include <dlog.h>
  23 #include <mm_error.h>
  24 #include "mm_player_utils.h"
  25 #include "mm_player_tracks.h"
  26 #include "mm_player_attrs.h"
  27
  28 #define INVALID_TRACK_INDEX -1
  29 #define LANGUAGE_CODE_SIZE (3 + 1) /* Size of ISO-639-1, and considering the nul-terminator */
  30
  31 /*---------------------------------------------------------------------------------------
  32 |    LOCAL FUNCTION PROTOTYPES:                                                                               |
  33 ---------------------------------------------------------------------------------------*/
  34 static int __mmplayer_track_get_language(mmplayer_t *player, mmplayer_track_type_e type, gint stream_index, gchar **code);
  35
  36
  37 /*=======================================================================================
  38 |  FUNCTION DEFINITIONS                                                                                      |
  39 =======================================================================================*/
  40 int
  41 _mmplayer_get_track_count(MMHandleType hplayer,  mmplayer_track_type_e type, int *count)
  42 {
  43         int ret = MM_ERROR_NONE;
  44         mmplayer_t *player = (mmplayer_t *)hplayer;
  45         MMHandleType attrs = 0;
  46
  47         MMPLAYER_FENTER();
  48
  49         /* check player handle */
  50         MMPLAYER_RETURN_VAL_IF_FAIL(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
  51         MMPLAYER_RETURN_VAL_IF_FAIL(count, MM_ERROR_INVALID_ARGUMENT);
  52         MMPLAYER_RETURN_VAL_IF_FAIL((MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PAUSED)
  53                  || (MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PLAYING),
  54                 MM_ERROR_PLAYER_INVALID_STATE);
  55
  56         attrs = MMPLAYER_GET_ATTRS(player);
  57         if (!attrs) {
  58                 LOGE("cannot get content attribute");
  59                 return MM_ERROR_PLAYER_INTERNAL;
  60         }
  61
  62         *count = 0;
  63
  64         switch (type) {
  65         case MM_PLAYER_TRACK_TYPE_AUDIO:
  66                 if (player->track[MM_PLAYER_TRACK_TYPE_AUDIO].total_track_num > 0)
  67                         *count = player->track[MM_PLAYER_TRACK_TYPE_AUDIO].total_track_num;
  68                 break;
  69         case MM_PLAYER_TRACK_TYPE_TEXT: /* internal or external */
  70                 ret = mm_attrs_get_int_by_name(attrs, "content_text_track_num", count);
  71                 break;
  72         default:
  73                 ret = MM_ERROR_INVALID_ARGUMENT;
  74                 break;
  75         }
  76
  77         LOGD("type: %d, the num of track: %d", type, *count);
  78
  79         MMPLAYER_FLEAVE();
  80
  81         return ret;
  82 }
  83
  84 int
  85 _mmplayer_select_track(MMHandleType hplayer, mmplayer_track_type_e type, int index)
  86 {
  87         int ret = MM_ERROR_NONE;
  88         mmplayer_t *player = (mmplayer_t *)hplayer;
  89
  90         MMPLAYER_FENTER();
  91         MMPLAYER_RETURN_VAL_IF_FAIL(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
  92
  93         LOGD("track type: %d, index: %d", type, index);
  94
  95         MMPLAYER_SUBTITLE_INFO_LOCK(player);
  96
  97         if (type == MM_PLAYER_TRACK_TYPE_TEXT && player->subtitle_language_list) { /* external subtitle */
  98                 GstElement *subparse = NULL;
  99                 mmplayer_lang_info_t *temp = NULL;
 100                 guint num_of_list = 0;
 101
 102                 if (!player->pipeline || !player->pipeline->textbin[MMPLAYER_T_FAKE_SINK].gst) {
 103                         ret = MM_ERROR_PLAYER_NOT_INITIALIZED;
 104                         goto EXIT;
 105                 }
 106
 107                 num_of_list = g_list_length(player->subtitle_language_list);
 108                 if (index < 0 || index >= num_of_list) {
 109                         LOGE("req track index is wrong");
 110                         ret = MM_ERROR_INVALID_ARGUMENT;
 111                         goto EXIT;
 112                 }
 113
 114                 temp = g_list_nth_data(player->subtitle_language_list, index);
 115                 if (!temp) {
 116                         LOGE("fail to get lang from list");
 117                         ret = MM_ERROR_PLAYER_INTERNAL;
 118                         goto EXIT;
 119                 }
 120                 subparse = player->pipeline->mainbin[MMPLAYER_M_SUBPARSE].gst;
 121                 LOGD("setting to language %s", temp->language_code);
 122                 g_object_set(G_OBJECT(subparse), "current-language", temp->language_key, NULL);
 123
 124                 _mmplayer_sync_subtitle_pipeline(player);
 125
 126         } else { /* audio or internal subtitle */
 127                 ret = _mmplayer_change_track_language(hplayer, type, index);
 128                 if (ret != MM_ERROR_NONE) {
 129                         LOGE("failed to change track");
 130                         goto EXIT;
 131                 }
 132         }
 133
 134         if (type == MM_PLAYER_TRACK_TYPE_TEXT) {
 135                 if (mm_player_set_attribute(hplayer, NULL,
 136                                 "current_text_track_index", index, NULL) != MM_ERROR_NONE) {
 137                         LOGE("failed to set text track index");
 138                         ret = MM_ERROR_PLAYER_INTERNAL;
 139                         goto EXIT;
 140                 }
 141         }
 142
 143         LOGD("current index is updated");
 144
 145 EXIT:
 146         MMPLAYER_SUBTITLE_INFO_UNLOCK(player);
 147         MMPLAYER_FLEAVE();
 148         return ret;
 149 }
 150
 151 int
 152 _mmplayer_get_current_track(MMHandleType hplayer, mmplayer_track_type_e type, int *index)
 153 {
 154         int ret = MM_ERROR_NONE;
 155         mmplayer_t *player = (mmplayer_t *)hplayer;
 156         MMHandleType attrs = 0;
 157         gint count = 0;
 158
 159         MMPLAYER_FENTER();
 160         MMPLAYER_RETURN_VAL_IF_FAIL(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 161         MMPLAYER_RETURN_VAL_IF_FAIL(index, MM_ERROR_INVALID_ARGUMENT);
 162
 163         attrs = MMPLAYER_GET_ATTRS(player);
 164         MMPLAYER_RETURN_VAL_IF_FAIL(attrs, MM_ERROR_PLAYER_INTERNAL);
 165
 166         MMPLAYER_SUBTITLE_INFO_LOCK(player);
 167
 168         LOGD("track type: %d", type);
 169
 170         *index = INVALID_TRACK_INDEX;
 171
 172         switch (type) {
 173         case MM_PLAYER_TRACK_TYPE_AUDIO:
 174                 if (player->track[MM_PLAYER_TRACK_TYPE_AUDIO].total_track_num <= 0) {
 175                         LOGW("there is no audio track");
 176                         ret = MM_ERROR_PLAYER_NO_OP;
 177                         goto EXIT;
 178                 }
 179
 180                 *index = player->track[MM_PLAYER_TRACK_TYPE_AUDIO].active_track_index;
 181                 break;
 182         case MM_PLAYER_TRACK_TYPE_TEXT: /* internal or external */
 183                 mm_attrs_get_int_by_name(attrs, "content_text_track_num", &count);
 184                 if (count <= 0) {
 185                         LOGD("there is no text track");
 186                         ret = MM_ERROR_PLAYER_NO_OP;
 187                         goto EXIT;
 188                 }
 189
 190                 mm_attrs_get_int_by_name(attrs, "current_text_track_index", index);
 191                 break;
 192         default:
 193                 LOGD("invalid input type");
 194                 ret = MM_ERROR_INVALID_ARGUMENT;
 195                 goto EXIT;
 196         }
 197
 198         if (*index < 0) {
 199                 LOGE("invalid track index");
 200                 ret = MM_ERROR_PLAYER_INTERNAL;
 201                 goto EXIT;
 202         }
 203
 204         LOGD("current track index: %d", *index);
 205
 206 EXIT:
 207         MMPLAYER_SUBTITLE_INFO_UNLOCK(player);
 208         MMPLAYER_FLEAVE();
 209         return ret;
 210 }
 211
 212 int
 213 _mmplayer_get_track_language_code(MMHandleType hplayer, mmplayer_track_type_e type, int index, char **code)
 214 {
 215         int ret = MM_ERROR_NONE;
 216         mmplayer_t *player = (mmplayer_t *)hplayer;
 217         gchar *lang_code = NULL;
 218
 219         MMPLAYER_FENTER();
 220         MMPLAYER_RETURN_VAL_IF_FAIL(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 221         MMPLAYER_RETURN_VAL_IF_FAIL(code, MM_ERROR_INVALID_ARGUMENT);
 222
 223         MMPLAYER_SUBTITLE_INFO_LOCK(player);
 224
 225         if (type == MM_PLAYER_TRACK_TYPE_TEXT && player->subtitle_language_list) { /* external subtitle */
 226                 mmplayer_lang_info_t *language_list = NULL;
 227
 228                 lang_code = (gchar *)g_malloc0(LANGUAGE_CODE_SIZE * sizeof(char));
 229
 230                 language_list = g_list_nth_data(player->subtitle_language_list, index);
 231                 if (language_list == NULL) {
 232                         LOGE("invalid index %d", index);
 233                         ret = MM_ERROR_INVALID_ARGUMENT;
 234                         goto EXIT;
 235                 }
 236                 g_strlcpy(lang_code, language_list->language_code, LANGUAGE_CODE_SIZE);
 237         } else { /* audio or internal subtitle */
 238                 if (player->track[type].total_track_num <= 0) {
 239                         LOGW("language list is not available. [type:%d]", type);
 240                         ret = MM_ERROR_PLAYER_NO_OP;
 241                         goto EXIT;
 242                 }
 243
 244                 ret = __mmplayer_track_get_language(player, type, index, &lang_code);
 245         }
 246
 247 EXIT:
 248         MMPLAYER_SUBTITLE_INFO_UNLOCK(player);
 249
 250         *code = NULL;
 251         if (ret == MM_ERROR_NONE) {
 252                 if (g_strcmp0(lang_code, "und"))
 253                         *code = strndup(lang_code, 2);
 254                 else
 255                         *code = strndup("und", 3);
 256         }
 257         MMPLAYER_FREEIF(lang_code);
 258
 259         MMPLAYER_FLEAVE();
 260         return ret;
 261 }
 262
 263 void
 264 _mmplayer_track_initialize(mmplayer_t *player)
 265 {
 266         mmplayer_track_type_e type = MM_PLAYER_TRACK_TYPE_AUDIO;
 267
 268         MMPLAYER_FENTER();
 269
 270         for (; type < MM_PLAYER_TRACK_TYPE_MAX ; type++) {
 271                 /* active_track_index is initialized when player is created or destroyed.
 272                    and the value can be set by calling _mmplayer_change_track_language()
 273                    before pipeline is created.*/
 274                 player->track[type].total_track_num = 0;
 275                 player->track[type].streams = g_ptr_array_new();
 276         }
 277 }
 278
 279 void
 280 _mmplayer_track_destroy(mmplayer_t *player)
 281 {
 282         mmplayer_track_type_e type = MM_PLAYER_TRACK_TYPE_AUDIO;
 283         MMPLAYER_FENTER();
 284
 285         if (mm_player_set_attribute((MMHandleType)player, NULL, "content_text_track_num", 0,
 286                         "current_text_track_index", INVALID_TRACK_INDEX, NULL) != MM_ERROR_NONE)
 287                 LOGE("failed to reset track attr");
 288
 289         for (; type < MM_PLAYER_TRACK_TYPE_MAX ; type++) {
 290                 player->track[type].active_track_index = 0;
 291                 player->track[type].total_track_num = 0;
 292
 293                 if (player->track[type].streams)
 294                         g_ptr_array_free(player->track[type].streams, TRUE);
 295                 player->track[type].streams = NULL;
 296         }
 297 }
 298
 299 void
 300 _mmplayer_track_update_stream(mmplayer_t *player, mmplayer_track_type_e type, void *stream)
 301 {
 302         MMPLAYER_FENTER();
 303
 304         player->track[type].total_track_num++;
 305         g_ptr_array_add(player->track[type].streams, stream);
 306
 307         LOGD("type: %d, track cnt: %d", type, player->track[type].total_track_num);
 308 }
 309
 310 void
 311 _mmplayer_track_update_text_attr_info(mmplayer_t *player, GstMessage *msg)
 312 {
 313          const GValue *lang_list = NULL;
 314          mmplayer_lang_info_t *temp = NULL;
 315          gchar *current_lang = NULL;
 316          gint  track_index = INVALID_TRACK_INDEX;
 317          guint track_count = 0, index = 0;
 318
 319          MMPLAYER_FENTER();
 320          MMPLAYER_RETURN_IF_FAIL(player && msg);
 321
 322         if (!gst_message_get_structure(msg)) {
 323                 LOGE("failed to get msg structure");
 324                 return;
 325         }
 326
 327         lang_list = gst_structure_get_value(gst_message_get_structure(msg), "lang_list");
 328         if (!lang_list) {
 329                 LOGW("language list is null");
 330                 return;
 331         }
 332
 333         track_count = g_list_length((GList *)g_value_get_pointer(lang_list));
 334         if (track_count == 0) {
 335                 LOGW("track count is zero");
 336                 return;
 337         }
 338
 339         MMPLAYER_SUBTITLE_INFO_LOCK(player);
 340         player->subtitle_language_list = (GList *)g_value_get_pointer(lang_list);
 341         mm_player_set_attribute((MMHandleType)player, NULL,
 342                         "content_text_track_num", (gint)track_count, NULL);
 343         g_object_get(G_OBJECT(msg->src), "current-language", &current_lang, NULL);
 344
 345         LOGI("track count: %d, current track lang: %s", track_count, current_lang);
 346         if (!current_lang)
 347                 goto EXIT;
 348
 349         for (index = 0 ; index < track_count ; index++) {
 350                 temp = g_list_nth_data(player->subtitle_language_list, index);
 351                 if (temp) {
 352                         LOGI("[%d] lang_key: %s, lang_code: %s",
 353                                 index, temp->language_key, temp->language_code);
 354
 355                         if (!g_strcmp0(temp->language_key, current_lang)) {
 356                                 LOGD("current track index : %d", index);
 357                                 track_index = index;
 358                                 break;
 359                         }
 360                 }
 361         }
 362
 363         if (track_index > INVALID_TRACK_INDEX)
 364                 mm_player_set_attribute((MMHandleType)player, NULL,
 365                                 "current_text_track_index", track_index, NULL);
 366         else
 367                 LOGE("failed to find current track index");
 368
 369 EXIT:
 370         MMPLAYER_SUBTITLE_INFO_SIGNAL(player);
 371         MMPLAYER_SUBTITLE_INFO_UNLOCK(player);
 372
 373         MMPLAYER_FLEAVE();
 374 }
 375
 376 static int
 377 __mmplayer_track_get_language(mmplayer_t *player, mmplayer_track_type_e type, gint stream_index, gchar **code)
 378 {
 379         GstTagList *tag_list = NULL;
 380         gchar *tag = NULL;
 381
 382         MMPLAYER_FENTER();
 383         MMPLAYER_RETURN_VAL_IF_FAIL(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 384         MMPLAYER_RETURN_VAL_IF_FAIL((code && (stream_index >= 0) &&
 385                 (stream_index < player->track[type].total_track_num)), MM_ERROR_INVALID_ARGUMENT);
 386
 387         LOGD("type: %d, track count: %d, input idx: %d", type, player->track[type].total_track_num, stream_index);
 388
 389         *code = (gchar *)g_malloc0(LANGUAGE_CODE_SIZE * sizeof(char));
 390
 391         if (MMPLAYER_USE_DECODEBIN(player)) {
 392                 GstPad *sinkpad = g_ptr_array_index(player->track[type].streams, stream_index);
 393                 g_object_get(sinkpad, "tags", &tag_list, NULL);
 394         } else {
 395                 GstStream *stream = g_ptr_array_index(player->track[type].streams, stream_index);
 396                 tag_list = gst_stream_get_tags (stream);
 397         }
 398
 399         if (tag_list)
 400                 gst_tag_list_get_string(tag_list, GST_TAG_LANGUAGE_CODE, &tag);
 401
 402         if (tag) {
 403                 LOGD("language code: %s, len: %zu", tag, strlen(tag));
 404                 g_strlcpy(*code, tag, LANGUAGE_CODE_SIZE);
 405                 MMPLAYER_FREEIF(tag);
 406         } else {
 407                 LOGD("no language code info - und");
 408                 g_strlcpy(*code, "und", LANGUAGE_CODE_SIZE);
 409         }
 410
 411         if (tag_list)
 412                 gst_tag_list_unref(tag_list);
 413
 414         MMPLAYER_FLEAVE();
 415         return MM_ERROR_NONE;
 416 }