input: test slaves

test_media_has_slaves_from_player is deactivated for now since there is now way
to test inputs in a reliable way. Indeed, demux modules may depend on
configuration and systems libs.

TODO: test libvlc_media_player_add_slave

test/Makefile.am

@@ -18,6 +18,7 @@ check_PROGRAMS = \
 	test_libvlc_media \
 	test_libvlc_media_list \
 	test_libvlc_media_player \
+	test_libvlc_slaves \
 	test_src_config_chain \
 	test_src_misc_variables \
 	test_src_crypto_update \
@@ -80,6 +81,8 @@ test_libvlc_media_list_SOURCES = libvlc/media_list.c
 test_libvlc_media_list_LDADD = $(LIBVLC)
 test_libvlc_media_player_SOURCES = libvlc/media_player.c
 test_libvlc_media_player_LDADD = $(LIBVLC)
+test_libvlc_slaves_SOURCES = libvlc/slaves.c
+test_libvlc_slaves_LDADD = $(LIBVLCCORE) $(LIBVLC)
 test_libvlc_meta_SOURCES = libvlc/meta.c
 test_libvlc_meta_LDADD = $(LIBVLC)
 test_src_misc_variables_SOURCES = src/misc/variables.c

test/libvlc/slaves.c

+/*****************************************************************************
+ * slaves.c: test libvlc_media_t and libvlc_media_player_t slaves API
+ *****************************************************************************
+ * Copyright © 2016 VLC authors, VideoLAN and VideoLabs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#include "test.h"
+
+#include <vlc_common.h>
+#include <vlc_threads.h>
+
+#define SLAVES_DIR SRCDIR "/samples/slaves"
+#define MAIN_MEDIA_PATH SLAVES_DIR "/test.mp4"
+
+static void
+finished_event(const libvlc_event_t *p_ev, void *p_data)
+{
+    (void) p_ev;
+    vlc_sem_t *p_sem = p_data;
+    vlc_sem_post(p_sem);
+}
+
+static void
+media_parse_sync(libvlc_media_t *p_m)
+{
+    vlc_sem_t sem;
+    vlc_sem_init(&sem, 0);
+
+    libvlc_event_manager_t *p_em = libvlc_media_event_manager(p_m);
+    libvlc_event_attach(p_em, libvlc_MediaParsedChanged, finished_event, &sem);
+
+    int i_ret = libvlc_media_parse_with_options(p_m, libvlc_media_parse_local);
+    assert(i_ret == 0);
+
+    vlc_sem_wait (&sem);
+
+    libvlc_event_detach(p_em, libvlc_MediaParsedChanged, finished_event, &sem);
+
+    vlc_sem_destroy (&sem);
+}
+
+static char *
+path_to_mrl(libvlc_instance_t *p_vlc, const char *psz_path)
+{
+    libvlc_media_t *p_m = libvlc_media_new_path(p_vlc, psz_path);
+    char *psz_mrl = libvlc_media_get_mrl(p_m);
+    libvlc_media_release(p_m);
+    return psz_mrl;
+}
+
+static void
+test_expected_slaves(libvlc_media_t *p_m,
+                     libvlc_media_slave_t *p_expected_slaves,
+                     unsigned int i_expected_slaves)
+{
+    printf("Check if slaves are correclty attached to media\n");
+
+    libvlc_media_slave_t **pp_slaves;
+    unsigned int i_slave_count = libvlc_media_slaves_get(p_m, &pp_slaves);
+    assert(i_expected_slaves == i_slave_count);
+
+    if (i_expected_slaves > 0)
+    {
+        bool *p_found_list = calloc(i_expected_slaves, sizeof(bool));
+        assert(p_found_list != NULL);
+        for (unsigned int i = 0; i < i_slave_count; ++i)
+        {
+            libvlc_media_slave_t *p_slave1 = pp_slaves[i];
+            for (unsigned int j = 0; i < i_expected_slaves; ++j)
+            {
+                libvlc_media_slave_t *p_slave2 = &p_expected_slaves[j];
+                if (strcmp(p_slave1->psz_uri, p_slave2->psz_uri) == 0)
+                {
+                    assert(p_found_list[j] == false);
+                    assert(p_slave1->i_type == p_slave2->i_type);
+                    assert(p_slave1->i_priority == p_slave2->i_priority);
+                    p_found_list[j] = true;
+                    break;
+                }
+            }
+        }
+        for (unsigned int i = 0; i < i_expected_slaves; ++i)
+        {
+            printf("Check if slaves[%d] is found\n", i);
+            assert(p_found_list[i]);
+        }
+        free(p_found_list);
+    }
+
+    libvlc_media_slaves_release(pp_slaves, i_slave_count);
+}
+
+#if 0
+static void
+mediaplayer_play_sync(libvlc_media_player_t *p_mp)
+{
+    vlc_sem_t sem;
+    vlc_sem_init(&sem, 0);
+
+    libvlc_event_manager_t *p_em = libvlc_media_player_event_manager(p_mp);
+    libvlc_event_attach(p_em, libvlc_MediaPlayerPlaying, finished_event, &sem);
+    libvlc_event_attach(p_em, libvlc_MediaPlayerEndReached, finished_event, &sem);
+    libvlc_event_attach(p_em, libvlc_MediaPlayerEncounteredError, finished_event, &sem);
+
+    int i_ret = libvlc_media_player_play(p_mp);
+    assert(i_ret == 0);
+
+    vlc_sem_wait (&sem);
+
+    libvlc_event_detach(p_em, libvlc_MediaPlayerPlaying, finished_event, &sem);
+    libvlc_event_detach(p_em, libvlc_MediaPlayerEndReached, finished_event, &sem);
+    libvlc_event_detach(p_em, libvlc_MediaPlayerEncounteredError, finished_event, &sem);
+
+    libvlc_media_player_stop(p_mp);
+
+    vlc_sem_destroy (&sem);
+}
+
+static void
+test_media_has_slaves_from_player(libvlc_instance_t *p_vlc,
+                                  libvlc_media_slave_t *p_expected_slaves,
+                                  unsigned i_expected_slaves)
+{
+    /* This function test subtitles_Detect() when playing a local file */
+    libvlc_media_t *p_m = libvlc_media_new_path(p_vlc, MAIN_MEDIA_PATH);
+    assert(p_m != NULL);
+
+    libvlc_media_player_t *p_mp = libvlc_media_player_new_from_media(p_m);
+    assert(p_mp != NULL);
+    mediaplayer_play_sync(p_mp);
+
+    test_expected_slaves(p_m, p_expected_slaves, i_expected_slaves);
+
+    libvlc_media_release(p_m);
+    libvlc_media_player_release(p_mp);
+}
+#endif
+
+static void
+test_media_has_slaves_from_parent(libvlc_instance_t *p_vlc,
+                                  libvlc_media_slave_t *p_expected_slaves,
+                                  unsigned i_expected_slaves)
+{
+    libvlc_media_t *p_m = libvlc_media_new_path(p_vlc, SLAVES_DIR);
+    assert(p_m != NULL);
+
+    printf("Parse media dir to get subitems\n");
+    media_parse_sync(p_m);
+
+    char *psz_main_media_mrl = path_to_mrl(p_vlc, MAIN_MEDIA_PATH);
+    assert(psz_main_media_mrl != NULL);
+    printf("Main media mrl: '%s'\n", psz_main_media_mrl);
+
+    printf("Fetch main media from subitems\n");
+    libvlc_media_list_t *p_ml = libvlc_media_subitems(p_m);
+    assert(p_ml != NULL);
+    libvlc_media_list_lock(p_ml);
+    int i_count = libvlc_media_list_count(p_ml);
+    assert(i_count > 0);
+    libvlc_media_t *p_subm = NULL;
+    for (int i = 0; i < i_count; ++i)
+    {
+        p_subm = libvlc_media_list_item_at_index(p_ml, i);
+        assert(p_subm != NULL);
+        char *psz_mrl = libvlc_media_get_mrl(p_subm);
+        assert(psz_mrl != NULL);
+        if (strcmp(psz_main_media_mrl, psz_mrl) == 0)
+        {
+            printf("Found main media\n");
+            free(psz_mrl);
+            break;
+        }
+        free(psz_mrl);
+        libvlc_media_release(p_subm);
+        p_subm = NULL;
+    }
+    free(psz_main_media_mrl);
+    libvlc_media_list_unlock(p_ml);
+    libvlc_media_list_release(p_ml);
+
+    assert(p_subm != NULL);
+    test_expected_slaves(p_subm, p_expected_slaves, i_expected_slaves);
+    libvlc_media_release(p_subm);
+
+    libvlc_media_release(p_m);
+}
+
+int
+main (void)
+{
+    test_init();
+
+    const char *pp_slave_paths[] = {
+        SLAVES_DIR "/nomatch.srt",
+        SLAVES_DIR "/left-test.srt",
+        SLAVES_DIR "/test-right.srt",
+        SLAVES_DIR "/test.aac",
+    };
+
+    libvlc_media_slave_t p_expected_slaves[] = {
+        { NULL, libvlc_media_slave_type_subtitle, 0 /* none */ },
+        { NULL, libvlc_media_slave_type_subtitle, 1 /* left */ },
+        { NULL, libvlc_media_slave_type_subtitle, 2 /* right */ },
+        { NULL, libvlc_media_slave_type_audio, 3 /* all */ },
+    };
+
+    #define EXPECTED_SLAVES_COUNT (sizeof(p_expected_slaves) / sizeof(*p_expected_slaves))
+    static_assert((sizeof(pp_slave_paths) / sizeof(*pp_slave_paths)) == EXPECTED_SLAVES_COUNT,
+                  "pp_slave_paths and p_expected_slaves mismatch");
+
+    const char *pp_args[] = {
+        "-v", "--sub-autodetect-fuzzy", "1",
+        "--no-video", "--no-audio",
+        "--codec", "none", /* to ensure we don't depend on codec modules */
+        NULL /* "sub-autodetect-file" place holder */
+    };
+    #define ARGC (sizeof(pp_args) / sizeof(*pp_args))
+
+    libvlc_instance_t *p_vlc = libvlc_new(ARGC - 1, pp_args);
+    assert(p_vlc != NULL);
+
+    /* Fill p_expected_slaves with correct VLC mrls */
+    for (unsigned int i = 0; i < EXPECTED_SLAVES_COUNT; ++i)
+    {
+        p_expected_slaves[i].psz_uri = path_to_mrl(p_vlc, pp_slave_paths[i]);
+        assert(p_expected_slaves[i].psz_uri != NULL);
+    }
+
+#if 0
+    printf("== Test if a media has slaves from a media player ==\n");
+    test_media_has_slaves_from_player(p_vlc, p_expected_slaves,
+                                      EXPECTED_SLAVES_COUNT - 1);
+#endif
+
+    printf("== Test if a media has slaves from its parent ==\n");
+    test_media_has_slaves_from_parent(p_vlc, p_expected_slaves,
+                                      EXPECTED_SLAVES_COUNT);
+    libvlc_release(p_vlc);
+
+    printf("== Test if a media doesn't have slaves from its parent ==\n");
+    pp_args[ARGC - 1] = "--no-sub-autodetect-file";
+    p_vlc = libvlc_new(ARGC, pp_args);
+    assert(p_vlc != NULL);
+    test_media_has_slaves_from_parent(p_vlc, NULL, 0);
+    libvlc_release(p_vlc);
+
+    for (unsigned int i = 0; i < EXPECTED_SLAVES_COUNT; ++i)
+        free(p_expected_slaves[i].psz_uri);
+
+    return 0;
+}

test/samples/slaves/nomatch.srt

+