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