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gst-play: add --gapless mode

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so we can test about-to-finish.
This commit is contained in:
Tim-Philipp Müller 2013-08-21 15:39:30 +01:00
parent 121235511a
commit fd873b1067
1 changed files with 57 additions and 9 deletions
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66
tools/gst-play.c
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@ -48,15 +48,20 @@ typedef struct
gboolean buffering;
gboolean is_live;
/* configuration */
gboolean gapless;
} GstPlay;
static gboolean play_bus_msg (GstBus * bus, GstMessage * msg, gpointer data);
static gboolean play_next (GstPlay * play);
static gboolean play_timeout (gpointer user_data);
static void play_about_to_finish (GstElement * playbin, gpointer user_data);
static void play_reset (GstPlay * play);
static GstPlay *
play_new (gchar ** uris, const gchar * audio_sink, const gchar * video_sink)
play_new (gchar ** uris, const gchar * audio_sink, const gchar * video_sink,
gboolean gapless)
{
GstElement *sink;
GstPlay *play;
@ -96,6 +101,12 @@ play_new (gchar ** uris, const gchar * audio_sink, const gchar * video_sink)
play->buffering = FALSE;
play->is_live = FALSE;
play->gapless = gapless;
if (gapless) {
g_signal_connect (play->playbin, "about-to-finish",
G_CALLBACK (play_about_to_finish), play);
}
return play;
}
@ -283,6 +294,23 @@ play_timeout (gpointer user_data)
return TRUE;
}
static gchar *
play_uri_get_display_name (GstPlay * play, const gchar * uri)
{
gchar *loc;
if (gst_uri_has_protocol (uri, "file")) {
loc = g_filename_from_uri (uri, NULL, NULL);
} else if (gst_uri_has_protocol (uri, "pushfile")) {
loc = g_filename_from_uri (uri + 4, NULL, NULL);
} else {
loc = g_strdup (uri);
}
/* Maybe additionally use glib's filename to display name function */
return loc;
}
/* returns FALSE if we have reached the end of the playlist */
static gboolean
play_next (GstPlay * play)
@ -298,13 +326,7 @@ play_next (GstPlay * play)
play_reset (play);
next_uri = play->uris[play->cur_idx];
if (gst_uri_has_protocol (next_uri, "file")) {
loc = g_filename_from_uri (next_uri, NULL, NULL);
} else if (gst_uri_has_protocol (next_uri, "pushfile")) {
loc = g_filename_from_uri (next_uri + 4, NULL, NULL);
} else {
loc = g_strdup (next_uri);
}
loc = play_uri_get_display_name (play, next_uri);
g_print ("Now playing %s\n", loc);
g_free (loc);
@ -329,6 +351,29 @@ play_next (GstPlay * play)
return TRUE;
}
static void
play_about_to_finish (GstElement * playbin, gpointer user_data)
{
GstPlay *play = user_data;
const gchar *next_uri;
gchar *loc;
guint next_idx;
if (!play->gapless)
return;
next_idx = play->cur_idx + 1;
if (next_idx >= play->num_uris)
return;
next_uri = play->uris[next_idx];
loc = play_uri_get_display_name (play, next_uri);
g_print ("About to finish, preparing next title: %s\n", loc);
g_free (loc);
g_object_set (play->playbin, "uri", next_uri, NULL);
}
static void
do_play (GstPlay * play)
{
@ -384,6 +429,7 @@ main (int argc, char **argv)
GstPlay *play;
GPtrArray *playlist;
gboolean print_version = FALSE;
gboolean gapless = FALSE;
gchar **filenames = NULL;
gchar *audio_sink = NULL;
gchar *video_sink = NULL;
@ -398,6 +444,8 @@ main (int argc, char **argv)
N_("Video sink to use (default is autovideosink)"), NULL},
{"audiosink", 0, 0, G_OPTION_ARG_STRING, &audio_sink,
N_("Audio sink to use (default is autoaudiosink)"), NULL},
{"gapless", 0, 0, G_OPTION_ARG_NONE, &gapless,
N_("Enable gapless playback"), NULL},
{G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL},
{NULL}
};
@ -455,7 +503,7 @@ main (int argc, char **argv)
/* play */
uris = (gchar **) g_ptr_array_free (playlist, FALSE);
play = play_new (uris, audio_sink, video_sink);
play = play_new (uris, audio_sink, video_sink, gapless);
do_play (play);