diff options
Diffstat (limited to 'gst-libs/gst/play/play.c')
| -rw-r--r-- | gst-libs/gst/play/play.c | 876 |
1 files changed, 437 insertions, 439 deletions
diff --git a/gst-libs/gst/play/play.c b/gst-libs/gst/play/play.c index f46fbabc..97ce3060 100644 --- a/gst-libs/gst/play/play.c +++ b/gst-libs/gst/play/play.c @@ -16,7 +16,7 @@ * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ - + #ifdef HAVE_CONFIG_H #include "config.h" #endif @@ -34,22 +34,23 @@ enum LAST_SIGNAL }; -struct _GstPlayPrivate { +struct _GstPlayPrivate +{ char *location; - + GHashTable *elements; - + gint64 time_nanos; gint64 length_nanos; - + gint get_length_attempt; - - gint tick_unblock_remaining; /* how many msecs left - to unblock due to seeking */ + + gint tick_unblock_remaining; /* how many msecs left + to unblock due to seeking */ guint tick_id; guint length_id; - + gulong handoff_hid; /* error/debug handling */ @@ -67,13 +68,16 @@ static GstPipelineClass *parent_class = NULL; /* */ /* ======================================================= */ -static GstCaps * gst_play_video_fixate (GstPad *pad, const GstCaps *caps, gpointer user_data); -static GstCaps * gst_play_audio_fixate (GstPad *pad, const GstCaps *caps, gpointer user_data); +static GstCaps *gst_play_video_fixate (GstPad * pad, const GstCaps * caps, + gpointer user_data); +static GstCaps *gst_play_audio_fixate (GstPad * pad, const GstCaps * caps, + gpointer user_data); static GQuark gst_play_error_quark (void) { static GQuark quark = 0; + if (quark == 0) quark = g_quark_from_static_string ("gst-play-error-quark"); return quark; @@ -81,7 +85,7 @@ gst_play_error_quark (void) /* General GError creation */ static void -gst_play_error_create (GError ** error, const gchar *message) +gst_play_error_create (GError ** error, const gchar * message) { /* check if caller wanted an error reported */ if (error == NULL) @@ -95,15 +99,14 @@ gst_play_error_create (GError ** error, const gchar *message) /* FIXME: what if multiple elements could have been used and they're all * missing ? varargs ? */ static void -gst_play_error_plugin (const gchar *element, GError ** error) +gst_play_error_plugin (const gchar * element, GError ** error) { gchar *message; message = g_strdup_printf ("The %s element could not be found. " - "This element is essential for playback. " - "Please install the right plug-in and verify " - "that it works by running 'gst-inspect %s'", - element, element); + "This element is essential for playback. " + "Please install the right plug-in and verify " + "that it works by running 'gst-inspect %s'", element, element); gst_play_error_create (error, message); g_free (message); return; @@ -127,263 +130,273 @@ G_STMT_START { \ static gboolean -gst_play_pipeline_setup (GstPlay *play, GError **error) +gst_play_pipeline_setup (GstPlay * play, GError ** error) { /* Threads */ GstElement *work_thread, *audio_thread, *video_thread; + /* Main Thread elements */ GstElement *source, *autoplugger, *audioconvert, *volume, *tee, *identity; GstElement *identity_cs; + /* Visualization bin */ GstElement *vis_bin, *vis_queue, *vis_element, *vis_cs; + /* Video Thread elements */ GstElement *video_queue, *video_switch, *video_cs, *video_balance; GstElement *balance_cs, *video_scaler, *video_sink; + /* Audio Thread elements */ GstElement *audio_queue, *audio_sink; + /* Some useful pads */ GstPad *tee_pad1, *tee_pad2; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - + /* Creating main thread and its elements */ { - GST_PLAY_MAKE_OR_ERROR (work_thread, "thread", "work_thread", error); - g_hash_table_insert (play->priv->elements, "work_thread", work_thread); - gst_bin_add (GST_BIN (play), work_thread); - - /* Placeholder for datasrc */ - GST_PLAY_MAKE_OR_ERROR (source, "fakesrc", "source", error); - g_hash_table_insert (play->priv->elements, "source", source); - - /* Autoplugger */ - GST_PLAY_MAKE_OR_ERROR (autoplugger, "spider", "autoplugger", error); - g_hash_table_insert (play->priv->elements, "autoplugger", autoplugger); - - /* Make sure we convert audio to the needed format */ - GST_PLAY_MAKE_OR_ERROR (audioconvert, "audioconvert", "audioconvert", error); - g_hash_table_insert (play->priv->elements, "audioconvert", audioconvert); - - /* Duplicate audio signal to audio sink and visualization thread */ - GST_PLAY_MAKE_OR_ERROR (tee, "tee", "tee", error); - tee_pad1 = gst_element_get_request_pad (tee, "src%d"); - tee_pad2 = gst_element_get_request_pad (tee, "src%d"); - g_hash_table_insert (play->priv->elements, "tee_pad1", tee_pad1); - g_hash_table_insert (play->priv->elements, "tee_pad2", tee_pad2); - g_hash_table_insert (play->priv->elements, "tee", tee); - - gst_bin_add_many (GST_BIN (work_thread), source, autoplugger, audioconvert, tee, NULL); - if (!gst_element_link_many (source, autoplugger, audioconvert, tee, NULL)) - GST_PLAY_ERROR_RETURN (error, "Could not link source thread elements"); - - /* identity ! colorspace ! switch */ - GST_PLAY_MAKE_OR_ERROR (identity, "identity", "identity", error); - g_hash_table_insert (play->priv->elements, "identity", identity); - - identity_cs = gst_element_factory_make ("ffcolorspace", "identity_cs"); - if (!GST_IS_ELEMENT (identity_cs)) { - identity_cs = gst_element_factory_make ("colorspace", "identity_cs"); - if (!GST_IS_ELEMENT (identity_cs)) - { - gst_play_error_plugin ("colorspace", error); - return FALSE; + GST_PLAY_MAKE_OR_ERROR (work_thread, "thread", "work_thread", error); + g_hash_table_insert (play->priv->elements, "work_thread", work_thread); + gst_bin_add (GST_BIN (play), work_thread); + + /* Placeholder for datasrc */ + GST_PLAY_MAKE_OR_ERROR (source, "fakesrc", "source", error); + g_hash_table_insert (play->priv->elements, "source", source); + + /* Autoplugger */ + GST_PLAY_MAKE_OR_ERROR (autoplugger, "spider", "autoplugger", error); + g_hash_table_insert (play->priv->elements, "autoplugger", autoplugger); + + /* Make sure we convert audio to the needed format */ + GST_PLAY_MAKE_OR_ERROR (audioconvert, "audioconvert", "audioconvert", + error); + g_hash_table_insert (play->priv->elements, "audioconvert", audioconvert); + + /* Duplicate audio signal to audio sink and visualization thread */ + GST_PLAY_MAKE_OR_ERROR (tee, "tee", "tee", error); + tee_pad1 = gst_element_get_request_pad (tee, "src%d"); + tee_pad2 = gst_element_get_request_pad (tee, "src%d"); + g_hash_table_insert (play->priv->elements, "tee_pad1", tee_pad1); + g_hash_table_insert (play->priv->elements, "tee_pad2", tee_pad2); + g_hash_table_insert (play->priv->elements, "tee", tee); + + gst_bin_add_many (GST_BIN (work_thread), source, autoplugger, audioconvert, + tee, NULL); + if (!gst_element_link_many (source, autoplugger, audioconvert, tee, NULL)) + GST_PLAY_ERROR_RETURN (error, "Could not link source thread elements"); + + /* identity ! colorspace ! switch */ + GST_PLAY_MAKE_OR_ERROR (identity, "identity", "identity", error); + g_hash_table_insert (play->priv->elements, "identity", identity); + + identity_cs = gst_element_factory_make ("ffcolorspace", "identity_cs"); + if (!GST_IS_ELEMENT (identity_cs)) { + identity_cs = gst_element_factory_make ("colorspace", "identity_cs"); + if (!GST_IS_ELEMENT (identity_cs)) { + gst_play_error_plugin ("colorspace", error); + return FALSE; + } } + g_hash_table_insert (play->priv->elements, "identity_cs", identity_cs); + gst_bin_add_many (GST_BIN (work_thread), identity, identity_cs, NULL); + if (!gst_element_link_many (autoplugger, identity, identity_cs, NULL)) + GST_PLAY_ERROR_RETURN (error, "Could not link work thread elements"); } - g_hash_table_insert (play->priv->elements, "identity_cs", identity_cs); - gst_bin_add_many (GST_BIN (work_thread), identity, identity_cs, NULL); - if (!gst_element_link_many (autoplugger, identity, identity_cs, NULL)) - GST_PLAY_ERROR_RETURN (error, "Could not link work thread elements"); - } - + /* Visualization bin (note: it s not added to the pipeline yet) */ { - vis_bin = gst_bin_new ("vis_bin"); - if (!GST_IS_ELEMENT (vis_bin)) - { - gst_play_error_plugin ("bin", error); - return FALSE; - } - - g_hash_table_insert (play->priv->elements, "vis_bin", vis_bin); - - /* Buffer queue for video data */ - GST_PLAY_MAKE_OR_ERROR (vis_queue, "queue", "vis_queue", error); - g_hash_table_insert (play->priv->elements, "vis_queue", vis_queue); - - /* Visualization element placeholder */ - GST_PLAY_MAKE_OR_ERROR (vis_element, "identity", "vis_element", error); - g_hash_table_insert (play->priv->elements, "vis_element", vis_element); - - /* Colorspace conversion */ - vis_cs = gst_element_factory_make ("ffcolorspace", "vis_cs"); - if (!GST_IS_ELEMENT (vis_cs)) { - vis_cs = gst_element_factory_make ("colorspace", "vis_cs"); - if (!GST_IS_ELEMENT (vis_cs)) - { - gst_play_error_plugin ("colorspace", error); + vis_bin = gst_bin_new ("vis_bin"); + if (!GST_IS_ELEMENT (vis_bin)) { + gst_play_error_plugin ("bin", error); return FALSE; } - } - - g_hash_table_insert (play->priv->elements, "vis_cs", vis_cs); - - gst_bin_add_many (GST_BIN (vis_bin), vis_queue, vis_element, vis_cs, NULL); - if (!gst_element_link_many (vis_queue, vis_element, vis_cs, NULL)) - GST_PLAY_ERROR_RETURN (error, "Could not link visualisation thread elements"); - gst_element_add_ghost_pad (vis_bin, - gst_element_get_pad (vis_cs, "src"), "src"); + + g_hash_table_insert (play->priv->elements, "vis_bin", vis_bin); + + /* Buffer queue for video data */ + GST_PLAY_MAKE_OR_ERROR (vis_queue, "queue", "vis_queue", error); + g_hash_table_insert (play->priv->elements, "vis_queue", vis_queue); + + /* Visualization element placeholder */ + GST_PLAY_MAKE_OR_ERROR (vis_element, "identity", "vis_element", error); + g_hash_table_insert (play->priv->elements, "vis_element", vis_element); + + /* Colorspace conversion */ + vis_cs = gst_element_factory_make ("ffcolorspace", "vis_cs"); + if (!GST_IS_ELEMENT (vis_cs)) { + vis_cs = gst_element_factory_make ("colorspace", "vis_cs"); + if (!GST_IS_ELEMENT (vis_cs)) { + gst_play_error_plugin ("colorspace", error); + return FALSE; + } + } + + g_hash_table_insert (play->priv->elements, "vis_cs", vis_cs); + + gst_bin_add_many (GST_BIN (vis_bin), vis_queue, vis_element, vis_cs, NULL); + if (!gst_element_link_many (vis_queue, vis_element, vis_cs, NULL)) + GST_PLAY_ERROR_RETURN (error, + "Could not link visualisation thread elements"); + gst_element_add_ghost_pad (vis_bin, gst_element_get_pad (vis_cs, "src"), + "src"); } /* Creating our video output bin */ { - GST_PLAY_MAKE_OR_ERROR (video_thread, "thread", "video_thread", error); - g_hash_table_insert (play->priv->elements, "video_thread", video_thread); - gst_bin_add (GST_BIN (work_thread), video_thread); - - /* Buffer queue for video data */ - GST_PLAY_MAKE_OR_ERROR (video_queue, "queue", "video_queue", error); - g_hash_table_insert (play->priv->elements, "video_queue", video_queue); - - GST_PLAY_MAKE_OR_ERROR (video_switch, "switch", "video_switch", error); - g_hash_table_insert (play->priv->elements, "video_switch", video_switch); - - /* Colorspace conversion */ - video_cs = gst_element_factory_make ("ffcolorspace", "video_cs"); - if (!GST_IS_ELEMENT (video_cs)) { - video_cs = gst_element_factory_make ("colorspace", "video_cs"); - if (!GST_IS_ELEMENT (video_cs)) - { - gst_play_error_plugin ("colorspace", error); - return FALSE; + GST_PLAY_MAKE_OR_ERROR (video_thread, "thread", "video_thread", error); + g_hash_table_insert (play->priv->elements, "video_thread", video_thread); + gst_bin_add (GST_BIN (work_thread), video_thread); + + /* Buffer queue for video data */ + GST_PLAY_MAKE_OR_ERROR (video_queue, "queue", "video_queue", error); + g_hash_table_insert (play->priv->elements, "video_queue", video_queue); + + GST_PLAY_MAKE_OR_ERROR (video_switch, "switch", "video_switch", error); + g_hash_table_insert (play->priv->elements, "video_switch", video_switch); + + /* Colorspace conversion */ + video_cs = gst_element_factory_make ("ffcolorspace", "video_cs"); + if (!GST_IS_ELEMENT (video_cs)) { + video_cs = gst_element_factory_make ("colorspace", "video_cs"); + if (!GST_IS_ELEMENT (video_cs)) { + gst_play_error_plugin ("colorspace", error); + return FALSE; + } } - } - g_hash_table_insert (play->priv->elements, "video_cs", video_cs); - - /* Software colorbalance */ - GST_PLAY_MAKE_OR_ERROR (video_balance, "videobalance", "video_balance", error); - g_hash_table_insert (play->priv->elements, "video_balance", video_balance); - - /* Colorspace conversion */ - balance_cs = gst_element_factory_make ("ffcolorspace", "balance_cs"); - if (!GST_IS_ELEMENT (balance_cs)) { - balance_cs = gst_element_factory_make ("colorspace", "balance_cs"); - if (!GST_IS_ELEMENT (balance_cs)) - { - gst_play_error_plugin ("colorspace", error); - return FALSE; + g_hash_table_insert (play->priv->elements, "video_cs", video_cs); + + /* Software colorbalance */ + GST_PLAY_MAKE_OR_ERROR (video_balance, "videobalance", "video_balance", + error); + g_hash_table_insert (play->priv->elements, "video_balance", video_balance); + + /* Colorspace conversion */ + balance_cs = gst_element_factory_make ("ffcolorspace", "balance_cs"); + if (!GST_IS_ELEMENT (balance_cs)) { + balance_cs = gst_element_factory_make ("colorspace", "balance_cs"); + if (!GST_IS_ELEMENT (balance_cs)) { + gst_play_error_plugin ("colorspace", error); + return FALSE; + } } - } - g_hash_table_insert (play->priv->elements, "balance_cs", balance_cs); - - /* Software scaling of video stream */ - GST_PLAY_MAKE_OR_ERROR (video_scaler, "videoscale", "video_scaler", error); - g_hash_table_insert (play->priv->elements, "video_scaler", video_scaler); - g_signal_connect (gst_element_get_pad(video_scaler, "src"), "fixate", - G_CALLBACK (gst_play_video_fixate), play); - - /* Placeholder for future video sink bin */ - GST_PLAY_MAKE_OR_ERROR (video_sink, "fakesink", "video_sink", error); - g_hash_table_insert (play->priv->elements, "video_sink", video_sink); - - gst_bin_add_many (GST_BIN (video_thread), video_queue, video_switch, video_cs, - video_balance, balance_cs, video_scaler, video_sink, NULL); - /* break down linking so we can figure out what might be failing */ - if (!gst_element_link (video_queue, video_switch)) - GST_PLAY_ERROR_RETURN (error, "Could not link video output thread (queue and switch)"); - if (!gst_element_link (video_switch, video_cs)) - GST_PLAY_ERROR_RETURN (error, "Could not link video output thread (switch and cs)"); - if (!gst_element_link (video_cs, video_balance)) - GST_PLAY_ERROR_RETURN (error, "Could not link video output thread (cs and balance)"); - if (!gst_element_link (video_balance, balance_cs)) - GST_PLAY_ERROR_RETURN (error, "Could not link video output thread (balance and balance_cs)"); - if (!gst_element_link (balance_cs, video_scaler)) - GST_PLAY_ERROR_RETURN (error, "Could not link video output thread (balance_cs and scaler)"); - if (!gst_element_link (video_scaler, video_sink)) - GST_PLAY_ERROR_RETURN (error, "Could not link video output thread (balance_cs and scaler)"); - gst_element_add_ghost_pad (video_thread, - gst_element_get_pad (video_queue, "sink"), - "sink"); - if (!gst_element_link (identity_cs, video_thread)) - GST_PLAY_ERROR_RETURN (error, "Could not link video output thread elements"); + g_hash_table_insert (play->priv->elements, "balance_cs", balance_cs); + + /* Software scaling of video stream */ + GST_PLAY_MAKE_OR_ERROR (video_scaler, "videoscale", "video_scaler", error); + g_hash_table_insert (play->priv->elements, "video_scaler", video_scaler); + g_signal_connect (gst_element_get_pad (video_scaler, "src"), "fixate", + G_CALLBACK (gst_play_video_fixate), play); + + /* Placeholder for future video sink bin */ + GST_PLAY_MAKE_OR_ERROR (video_sink, "fakesink", "video_sink", error); + g_hash_table_insert (play->priv->elements, "video_sink", video_sink); + + gst_bin_add_many (GST_BIN (video_thread), video_queue, video_switch, + video_cs, video_balance, balance_cs, video_scaler, video_sink, NULL); + /* break down linking so we can figure out what might be failing */ + if (!gst_element_link (video_queue, video_switch)) + GST_PLAY_ERROR_RETURN (error, + "Could not link video output thread (queue and switch)"); + if (!gst_element_link (video_switch, video_cs)) + GST_PLAY_ERROR_RETURN (error, + "Could not link video output thread (switch and cs)"); + if (!gst_element_link (video_cs, video_balance)) + GST_PLAY_ERROR_RETURN (error, + "Could not link video output thread (cs and balance)"); + if (!gst_element_link (video_balance, balance_cs)) + GST_PLAY_ERROR_RETURN (error, + "Could not link video output thread (balance and balance_cs)"); + if (!gst_element_link (balance_cs, video_scaler)) + GST_PLAY_ERROR_RETURN (error, + "Could not link video output thread (balance_cs and scaler)"); + if (!gst_element_link (video_scaler, video_sink)) + GST_PLAY_ERROR_RETURN (error, + "Could not link video output thread (balance_cs and scaler)"); + gst_element_add_ghost_pad (video_thread, gst_element_get_pad (video_queue, + "sink"), "sink"); + if (!gst_element_link (identity_cs, video_thread)) + GST_PLAY_ERROR_RETURN (error, + "Could not link video output thread elements"); } /* Creating our audio output bin { queue ! fakesink } */ { - GST_PLAY_MAKE_OR_ERROR (audio_thread, "thread", "audio_thread", error); - g_hash_table_insert (play->priv->elements, "audio_thread", audio_thread); - gst_bin_add (GST_BIN (work_thread), audio_thread); - - /* Buffer queue for our audio thread */ - GST_PLAY_MAKE_OR_ERROR (audio_queue, "queue", "audio_queue", error); - g_hash_table_insert (play->priv->elements, "audio_queue", audio_queue); - - /* Volume control */ - GST_PLAY_MAKE_OR_ERROR (volume, "volume", "volume", error); - g_hash_table_insert (play->priv->elements, "volume", volume); - g_signal_connect (gst_element_get_pad(volume, "src"), "fixate", - G_CALLBACK (gst_play_audio_fixate), play); - - /* Placeholder for future audio sink bin */ - GST_PLAY_MAKE_OR_ERROR (audio_sink, "fakesink", "audio_sink", error); - g_hash_table_insert (play->priv->elements, "audio_sink", audio_sink); - - gst_bin_add_many (GST_BIN (audio_thread), audio_queue, volume, audio_sink, NULL); - if (!gst_element_link_many (audio_queue, volume, audio_sink, NULL)) - GST_PLAY_ERROR_RETURN (error, "Could not link audio output thread elements"); - gst_element_add_ghost_pad (audio_thread, - gst_element_get_pad (audio_queue, "sink"), - "sink"); - gst_pad_link (tee_pad2, gst_element_get_pad (audio_queue, "sink")); + GST_PLAY_MAKE_OR_ERROR (audio_thread, "thread", "audio_thread", error); + g_hash_table_insert (play->priv->elements, "audio_thread", audio_thread); + gst_bin_add (GST_BIN (work_thread), audio_thread); + + /* Buffer queue for our audio thread */ + GST_PLAY_MAKE_OR_ERROR (audio_queue, "queue", "audio_queue", error); + g_hash_table_insert (play->priv->elements, "audio_queue", audio_queue); + + /* Volume control */ + GST_PLAY_MAKE_OR_ERROR (volume, "volume", "volume", error); + g_hash_table_insert (play->priv->elements, "volume", volume); + g_signal_connect (gst_element_get_pad (volume, "src"), "fixate", + G_CALLBACK (gst_play_audio_fixate), play); + + /* Placeholder for future audio sink bin */ + GST_PLAY_MAKE_OR_ERROR (audio_sink, "fakesink", "audio_sink", error); + g_hash_table_insert (play->priv->elements, "audio_sink", audio_sink); + + gst_bin_add_many (GST_BIN (audio_thread), audio_queue, volume, audio_sink, + NULL); + if (!gst_element_link_many (audio_queue, volume, audio_sink, NULL)) + GST_PLAY_ERROR_RETURN (error, + "Could not link audio output thread elements"); + gst_element_add_ghost_pad (audio_thread, gst_element_get_pad (audio_queue, + "sink"), "sink"); + gst_pad_link (tee_pad2, gst_element_get_pad (audio_queue, "sink")); } - + return TRUE; } static void -gst_play_have_video_size (GstElement *element, gint width, - gint height, GstPlay *play) +gst_play_have_video_size (GstElement * element, gint width, + gint height, GstPlay * play) { g_return_if_fail (play != NULL); g_return_if_fail (GST_IS_PLAY (play)); g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIDEO_SIZE], - 0, width, height); + 0, width, height); } static gboolean -gst_play_tick_callback (GstPlay *play) +gst_play_tick_callback (GstPlay * play) { GstFormat format = GST_FORMAT_TIME; gboolean q = FALSE; GstElement *audio_sink_element = NULL; - + g_return_val_if_fail (play != NULL, FALSE); /* just return without updating the UI when we are in the middle of seeking */ - if (play->priv->tick_unblock_remaining > 0) - { + if (play->priv->tick_unblock_remaining > 0) { play->priv->tick_unblock_remaining -= TICK_INTERVAL_MSEC; return TRUE; } - + if (!GST_IS_PLAY (play)) { play->priv->tick_id = 0; return FALSE; } - + audio_sink_element = g_hash_table_lookup (play->priv->elements, - "audio_sink_element"); - + "audio_sink_element"); + if (!GST_IS_ELEMENT (audio_sink_element)) { play->priv->tick_id = 0; return FALSE; } - + q = gst_element_query (audio_sink_element, GST_QUERY_POSITION, &format, - &(play->priv->time_nanos)); - + &(play->priv->time_nanos)); + if (q) g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], - 0,play->priv->time_nanos); - + 0, play->priv->time_nanos); + if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) return TRUE; else { @@ -393,63 +406,63 @@ gst_play_tick_callback (GstPlay *play) } static gboolean -gst_play_get_length_callback (GstPlay *play) +gst_play_get_length_callback (GstPlay * play) { GstElement *audio_sink_element, *video_sink_element; GstFormat format = GST_FORMAT_TIME; gint64 value; gboolean q = FALSE; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - + /* We try to get length from all real sink elements */ audio_sink_element = g_hash_table_lookup (play->priv->elements, - "audio_sink_element"); + "audio_sink_element"); video_sink_element = g_hash_table_lookup (play->priv->elements, - "video_sink_element"); + "video_sink_element"); if (!GST_IS_ELEMENT (audio_sink_element) && !GST_IS_ELEMENT (video_sink_element)) { play->priv->length_id = 0; return FALSE; } - + /* Audio first and then Video */ if (GST_IS_ELEMENT (audio_sink_element)) q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format, - &value); - if ( (!q) && (GST_IS_ELEMENT (video_sink_element)) ) + &value); + if ((!q) && (GST_IS_ELEMENT (video_sink_element))) q = gst_element_query (video_sink_element, GST_QUERY_TOTAL, &format, - &value); - + &value); + if (q) { play->priv->length_nanos = value; g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], - 0,play->priv->length_nanos); + 0, play->priv->length_nanos); play->priv->length_id = 0; return FALSE; } - + play->priv->get_length_attempt++; - + /* We try 16 times */ if (play->priv->get_length_attempt > 15) { play->priv->length_id = 0; return FALSE; - } - else + } else return TRUE; } static GstCaps * -gst_play_video_fixate (GstPad *pad, const GstCaps *caps, gpointer user_data) +gst_play_video_fixate (GstPad * pad, const GstCaps * caps, gpointer user_data) { GstStructure *structure; GstCaps *newcaps; GST_DEBUG ("video fixate %p %" GST_PTR_FORMAT, pad, caps); - if (gst_caps_get_size (caps) > 1) return NULL; + if (gst_caps_get_size (caps) > 1) + return NULL; newcaps = gst_caps_copy (caps); structure = gst_caps_get_structure (newcaps, 0); @@ -461,7 +474,7 @@ gst_play_video_fixate (GstPad *pad, const GstCaps *caps, gpointer user_data) return newcaps; } if (gst_caps_structure_fixate_field_nearest_double (structure, "framerate", - 30.0)) { + 30.0)) { return newcaps; } @@ -471,15 +484,16 @@ gst_play_video_fixate (GstPad *pad, const GstCaps *caps, gpointer user_data) } static GstCaps * -gst_play_audio_fixate (GstPad *pad, const GstCaps *caps, gpointer user_data) +gst_play_audio_fixate (GstPad * pad, const GstCaps * caps, gpointer user_data) { GstCaps *newcaps; GstStructure *structure; GST_DEBUG ("audio fixate %p %" GST_PTR_FORMAT, pad, caps); - newcaps = gst_caps_new_full (gst_structure_copy ( - gst_caps_get_structure (caps, 0)), NULL); + newcaps = + gst_caps_new_full (gst_structure_copy (gst_caps_get_structure (caps, 0)), + NULL); structure = gst_caps_get_structure (newcaps, 0); if (gst_caps_structure_fixate_field_nearest_int (structure, "rate", 44100)) { @@ -501,38 +515,35 @@ gst_play_audio_fixate (GstPad *pad, const GstCaps *caps, gpointer user_data) } static void -gst_play_state_change (GstElement *element, GstElementState old, - GstElementState state) +gst_play_state_change (GstElement * element, GstElementState old, + GstElementState state) { GstPlay *play; - + g_return_if_fail (element != NULL); g_return_if_fail (GST_IS_PLAY (element)); - + play = GST_PLAY (element); - + if (state == GST_STATE_PLAYING) { if (play->priv->tick_id) { g_source_remove (play->priv->tick_id); play->priv->tick_id = 0; } - + play->priv->tick_id = g_timeout_add (TICK_INTERVAL_MSEC, - (GSourceFunc) gst_play_tick_callback, - play); - + (GSourceFunc) gst_play_tick_callback, play); + play->priv->get_length_attempt = 0; - + if (play->priv->length_id) { g_source_remove (play->priv->length_id); play->priv->length_id = 0; } - + play->priv->length_id = g_timeout_add (TICK_INTERVAL_MSEC, - (GSourceFunc) gst_play_get_length_callback, - play); - } - else { + (GSourceFunc) gst_play_get_length_callback, play); + } else { if (play->priv->tick_id) { g_source_remove (play->priv->tick_id); play->priv->tick_id = 0; @@ -542,13 +553,14 @@ gst_play_state_change (GstElement *element, GstElementState old, play->priv->length_id = 0; } } - + if (GST_ELEMENT_CLASS (parent_class)->state_change) GST_ELEMENT_CLASS (parent_class)->state_change (element, old, state); } static void -gst_play_identity_handoff (GstElement *identity, GstBuffer *buf, GstPlay *play) +gst_play_identity_handoff (GstElement * identity, GstBuffer * buf, + GstPlay * play) { g_signal_handler_disconnect (G_OBJECT (identity), play->priv->handoff_hid); play->priv->handoff_hid = 0; @@ -562,40 +574,40 @@ gst_play_identity_handoff (GstElement *identity, GstBuffer *buf, GstPlay *play) /* =========================================== */ static void -gst_play_dispose (GObject *object) +gst_play_dispose (GObject * object) { GstPlay *play; - + g_return_if_fail (object != NULL); g_return_if_fail (GST_IS_PLAY (object)); - + play = GST_PLAY (object); - + if (play->priv->length_id) { g_source_remove (play->priv->length_id); play->priv->length_id = 0; } - + if (play->priv->tick_id) { g_source_remove (play->priv->tick_id); play->priv->tick_id = 0; } - + if (play->priv->location) { g_free (play->priv->location); play->priv->location = NULL; } - + if (play->priv->elements) { g_hash_table_destroy (play->priv->elements); play->priv->elements = NULL; } - + G_OBJECT_CLASS (parent_class)->dispose (object); } static void -gst_play_init (GstPlay *play) +gst_play_init (GstPlay * play) { play->priv = g_new0 (GstPlayPrivate, 1); play->priv->location = NULL; @@ -604,41 +616,39 @@ gst_play_init (GstPlay *play) play->priv->elements = g_hash_table_new (g_str_hash, g_str_equal); play->priv->error = NULL; play->priv->debug = NULL; - - if (!gst_play_pipeline_setup (play, &play->priv->error)) - { + + if (!gst_play_pipeline_setup (play, &play->priv->error)) { g_warning ("libgstplay: failed initializing pipeline, error: %s", - play->priv->error->message); + play->priv->error->message); } } static void -gst_play_class_init (GstPlayClass *klass) +gst_play_class_init (GstPlayClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - + parent_class = g_type_class_peek_parent (klass); gobject_class->dispose = gst_play_dispose; element_class->state_change = gst_play_state_change; - + gst_play_signals[TIME_TICK] = - g_signal_new ("time-tick", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstPlayClass, time_tick), NULL, NULL, - gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64); + g_signal_new ("time-tick", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GstPlayClass, time_tick), NULL, NULL, + gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64); gst_play_signals[STREAM_LENGTH] = - g_signal_new ("stream-length", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstPlayClass, stream_length), NULL, NULL, - gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64); + g_signal_new ("stream-length", G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GstPlayClass, stream_length), NULL, NULL, + gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64); gst_play_signals[HAVE_VIDEO_SIZE] = - g_signal_new ("have-video-size", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstPlayClass, have_video_size), NULL, NULL, - gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2, - G_TYPE_INT, G_TYPE_INT); + g_signal_new ("have-video-size", G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GstPlayClass, have_video_size), NULL, NULL, + gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT); } /* ======================================================= */ @@ -657,22 +667,22 @@ gst_play_class_init (GstPlayClass *klass) * Returns: TRUE if location was set successfully. */ gboolean -gst_play_set_location (GstPlay *play, const char *location) +gst_play_set_location (GstPlay * play, const char *location) { GstElement *work_thread, *source, *autoplugger; GstElement *audioconvert, *identity; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - + if (play->priv->location) g_free (play->priv->location); - + play->priv->location = g_strdup (location); - + if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - + work_thread = g_hash_table_lookup (play->priv->elements, "work_thread"); if (!GST_IS_ELEMENT (work_thread)) return FALSE; @@ -688,34 +698,34 @@ gst_play_set_location (GstPlay *play, const char *location) identity = g_hash_table_lookup (play->priv->elements, "identity"); if (!GST_IS_ELEMENT (identity)) return FALSE; - + /* Spider can autoplugg only once. We remove the actual one and put a new autoplugger */ gst_element_unlink (source, autoplugger); gst_element_unlink (autoplugger, identity); gst_element_unlink (autoplugger, audioconvert); gst_bin_remove (GST_BIN (work_thread), autoplugger); - + autoplugger = gst_element_factory_make ("spider", "autoplugger"); if (!GST_IS_ELEMENT (autoplugger)) return FALSE; - + gst_bin_add (GST_BIN (work_thread), autoplugger); gst_element_link (source, autoplugger); gst_element_link (autoplugger, audioconvert); gst_element_link (autoplugger, identity); - + g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger); - + /* FIXME: Why don't we have an interface to do that kind of stuff ? */ g_object_set (G_OBJECT (source), "location", play->priv->location, NULL); - + play->priv->length_nanos = 0LL; play->priv->time_nanos = 0LL; - + g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], 0, 0LL); g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], 0, 0LL); - + return TRUE; } @@ -728,7 +738,7 @@ gst_play_set_location (GstPlay *play, const char *location) * Returns: a const #char* pointer to current location. */ char * -gst_play_get_location (GstPlay *play) +gst_play_get_location (GstPlay * play) { g_return_val_if_fail (play != NULL, NULL); g_return_val_if_fail (GST_IS_PLAY (play), NULL); @@ -746,52 +756,49 @@ gboolean gst_play_seek_to_time (GstPlay * play, gint64 time_nanos) { GstElement *audio_seek_element, *video_seek_element, *audio_sink_element; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - + if (time_nanos < 0LL) time_nanos = 0LL; - + audio_seek_element = g_hash_table_lookup (play->priv->elements, - "audioconvert"); + "audioconvert"); audio_sink_element = g_hash_table_lookup (play->priv->elements, - "audio_sink_element"); - video_seek_element = g_hash_table_lookup (play->priv->elements, - "identity"); - + "audio_sink_element"); + video_seek_element = g_hash_table_lookup (play->priv->elements, "identity"); + if (GST_IS_ELEMENT (audio_seek_element) && GST_IS_ELEMENT (video_seek_element) && GST_IS_ELEMENT (audio_sink_element)) { gboolean s = FALSE; - + /* HACK: block tick signal from idler for 500 msec */ /* GStreamer can't currently report when seeking is finished, so we just chose a .5 sec default block time */ play->priv->tick_unblock_remaining = 500; - + s = gst_element_seek (video_seek_element, GST_FORMAT_TIME | - GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, - time_nanos); + GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, time_nanos); if (!s) { s = gst_element_seek (audio_seek_element, GST_FORMAT_TIME | - GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, - time_nanos); + GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, time_nanos); } - + if (s) { GstFormat format = GST_FORMAT_TIME; gboolean q = FALSE; - + q = gst_element_query (audio_sink_element, GST_QUERY_POSITION, &format, - &(play->priv->time_nanos)); + &(play->priv->time_nanos)); if (q) - g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], - 0,play->priv->time_nanos); + g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], + 0, play->priv->time_nanos); } } - + return TRUE; } @@ -805,17 +812,17 @@ gst_play_seek_to_time (GstPlay * play, gint64 time_nanos) * Returns: TRUE if call succeeded. */ gboolean -gst_play_set_data_src (GstPlay *play, GstElement *data_src) +gst_play_set_data_src (GstPlay * play, GstElement * data_src) { GstElement *work_thread, *old_data_src, *autoplugger; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - + /* We bring back the pipeline to READY */ if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - + /* Getting needed objects */ work_thread = g_hash_table_lookup (play->priv->elements, "work_thread"); if (!GST_IS_ELEMENT (work_thread)) @@ -826,7 +833,7 @@ gst_play_set_data_src (GstPlay *play, GstElement *data_src) autoplugger = g_hash_table_lookup (play->priv->elements, "autoplugger"); if (!GST_IS_ELEMENT (autoplugger)) return FALSE; - + /* Unlinking old source from autoplugger, removing it from pipeline, adding the new one and connecting it to autoplugger FIXME: we should put a new autoplugger here as spider can autoplugg only once */ @@ -834,9 +841,9 @@ gst_play_set_data_src (GstPlay *play, GstElement *data_src) gst_bin_remove (GST_BIN (work_thread), old_data_src); gst_bin_add (GST_BIN (work_thread), data_src); gst_element_link (data_src, autoplugger); - + g_hash_table_replace (play->priv->elements, "source", data_src); - + return TRUE; } @@ -850,19 +857,19 @@ gst_play_set_data_src (GstPlay *play, GstElement *data_src) * Returns: TRUE if call succeeded. */ gboolean -gst_play_set_video_sink (GstPlay *play, GstElement *video_sink) +gst_play_set_video_sink (GstPlay * play, GstElement * video_sink) { GstElement *video_thread, *old_video_sink, *video_scaler, *video_sink_element; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); g_return_val_if_fail (video_sink != NULL, FALSE); g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE); - + /* We bring back the pipeline to READY */ if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - + /* Getting needed objects */ video_thread = g_hash_table_lookup (play->priv->elements, "video_thread"); if (!GST_IS_ELEMENT (video_thread)) @@ -873,30 +880,29 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink) video_scaler = g_hash_table_lookup (play->priv->elements, "video_scaler"); if (!GST_IS_ELEMENT (video_scaler)) return FALSE; - + /* Unlinking old video sink from video scaler, removing it from pipeline, adding the new one and linking it */ gst_element_unlink (video_scaler, old_video_sink); gst_bin_remove (GST_BIN (video_thread), old_video_sink); gst_bin_add (GST_BIN (video_thread), video_sink); gst_element_link (video_scaler, video_sink); - + g_hash_table_replace (play->priv->elements, "video_sink", video_sink); - + video_sink_element = gst_play_get_sink_element (play, video_sink, - GST_PLAY_SINK_TYPE_VIDEO); + GST_PLAY_SINK_TYPE_VIDEO); if (GST_IS_ELEMENT (video_sink_element)) { g_hash_table_replace (play->priv->elements, "video_sink_element", - video_sink_element); + video_sink_element); if (GST_IS_X_OVERLAY (video_sink_element)) { g_signal_connect (G_OBJECT (video_sink_element), - "desired_size_changed", - G_CALLBACK (gst_play_have_video_size), play); + "desired_size_changed", G_CALLBACK (gst_play_have_video_size), play); } - } - - gst_element_set_state (video_sink, GST_STATE (GST_ELEMENT(play))); - + } + + gst_element_set_state (video_sink, GST_STATE (GST_ELEMENT (play))); + return TRUE; } @@ -910,19 +916,19 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink) * Returns: TRUE if call succeeded. */ gboolean -gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink) +gst_play_set_audio_sink (GstPlay * play, GstElement * audio_sink) { GstElement *old_audio_sink, *audio_thread, *volume, *audio_sink_element; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); g_return_val_if_fail (audio_sink != NULL, FALSE); g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE); - + /* We bring back the pipeline to READY */ if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - + /* Getting needed objects */ old_audio_sink = g_hash_table_lookup (play->priv->elements, "audio_sink"); if (!GST_IS_ELEMENT (old_audio_sink)) @@ -933,25 +939,25 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink) volume = g_hash_table_lookup (play->priv->elements, "volume"); if (!GST_IS_ELEMENT (volume)) return FALSE; - + /* Unlinking old audiosink, removing it from pipeline, putting the new one and linking it */ gst_element_unlink (volume, old_audio_sink); gst_bin_remove (GST_BIN (audio_thread), old_audio_sink); gst_bin_add (GST_BIN (audio_thread), audio_sink); gst_element_link (volume, audio_sink); - + g_hash_table_replace (play->priv->elements, "audio_sink", audio_sink); - + audio_sink_element = gst_play_get_sink_element (play, audio_sink, - GST_PLAY_SINK_TYPE_AUDIO); + GST_PLAY_SINK_TYPE_AUDIO); if (GST_IS_ELEMENT (audio_sink_element)) { g_hash_table_replace (play->priv->elements, "audio_sink_element", - audio_sink_element); + audio_sink_element); } - - gst_element_set_state (audio_sink, GST_STATE (GST_ELEMENT(play))); - + + gst_element_set_state (audio_sink, GST_STATE (GST_ELEMENT (play))); + return TRUE; } @@ -965,16 +971,16 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink) * Returns: TRUE if call succeeded. */ gboolean -gst_play_set_visualization (GstPlay *play, GstElement *vis_element) +gst_play_set_visualization (GstPlay * play, GstElement * vis_element) { GstElement *vis_bin, *vis_queue, *old_vis_element, *vis_cs; gboolean was_playing = FALSE; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); g_return_val_if_fail (vis_element != NULL, FALSE); g_return_val_if_fail (GST_IS_ELEMENT (vis_element), FALSE); - + /* Getting needed objects */ vis_bin = g_hash_table_lookup (play->priv->elements, "vis_bin"); if (!GST_IS_ELEMENT (vis_bin)) @@ -982,14 +988,13 @@ gst_play_set_visualization (GstPlay *play, GstElement *vis_element) vis_queue = g_hash_table_lookup (play->priv->elements, "vis_queue"); if (!GST_IS_ELEMENT (vis_queue)) return FALSE; - old_vis_element = g_hash_table_lookup (play->priv->elements, - "vis_element"); + old_vis_element = g_hash_table_lookup (play->priv->elements, "vis_element"); if (!GST_IS_ELEMENT (old_vis_element)) return FALSE; vis_cs = g_hash_table_lookup (play->priv->elements, "vis_cs"); if (!GST_IS_ELEMENT (vis_cs)) return FALSE; - + /* We bring back the pipeline to PAUSED */ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); @@ -1000,12 +1005,12 @@ gst_play_set_visualization (GstPlay *play, GstElement *vis_element) gst_bin_remove (GST_BIN (vis_bin), old_vis_element); gst_bin_add (GST_BIN (vis_bin), vis_element); gst_element_link_many (vis_queue, vis_element, vis_cs, NULL); - + g_hash_table_replace (play->priv->elements, "vis_element", vis_element); - + if (was_playing) gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING); - + return TRUE; } @@ -1025,13 +1030,13 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect) GstElement *video_thread, *vis_queue, *vis_bin, *video_switch, *identity; GstPad *tee_pad1, *vis_queue_pad, *vis_bin_pad, *switch_pad; gboolean was_playing = FALSE; - + g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - + /* Until i fix the switch */ return TRUE; - + /* Getting needed objects */ video_thread = g_hash_table_lookup (play->priv->elements, "video_thread"); if (!GST_IS_ELEMENT (video_thread)) @@ -1051,26 +1056,26 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect) tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1"); if (!GST_IS_PAD (tee_pad1)) return FALSE; - + vis_queue_pad = gst_element_get_pad (vis_queue, "sink"); - + /* Check if the vis element is in the pipeline. That means visualization is connected already */ if (gst_element_get_managing_bin (vis_bin)) { - + /* If we are supposed to connect then nothing to do we return */ if (connect) { return TRUE; } - + /* Disconnecting visualization */ - + /* We bring back the pipeline to PAUSED */ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); was_playing = TRUE; } - + /* Unlinking, removing */ gst_pad_unlink (tee_pad1, vis_queue_pad); vis_bin_pad = gst_element_get_pad (vis_bin, "src"); @@ -1079,26 +1084,24 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect) gst_element_release_request_pad (video_switch, switch_pad); gst_object_ref (GST_OBJECT (vis_bin)); gst_bin_remove (GST_BIN (video_thread), vis_bin); - } - else { - + } else { + /* If we are supposed to disconnect then nothing to do we return */ if (!connect) { return TRUE; } - + /* Connecting visualization */ - + /* We bring back the pipeline to PAUSED */ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); was_playing = TRUE; } - + /* Adding, linking */ play->priv->handoff_hid = g_signal_connect (G_OBJECT (identity), - "handoff", - G_CALLBACK (gst_play_identity_handoff), play); + "handoff", G_CALLBACK (gst_play_identity_handoff), play); gst_bin_add (GST_BIN (video_thread), vis_bin); gst_pad_link (tee_pad1, vis_queue_pad); gst_element_link (vis_bin, video_switch); @@ -1106,7 +1109,7 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect) if (was_playing) gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING); - + return TRUE; } @@ -1122,8 +1125,8 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect) * Returns: the sink #GstElement of @element. */ GstElement * -gst_play_get_sink_element (GstPlay *play, - GstElement *element, GstPlaySinkType sink_type) +gst_play_get_sink_element (GstPlay * play, + GstElement * element, GstPlaySinkType sink_type) { GList *elements = NULL; const GList *pads = NULL; @@ -1152,91 +1155,86 @@ gst_play_get_sink_element (GstPlay *play, if (GST_IS_BIN (element)) { element = gst_play_get_sink_element (play, element, sink_type); if (GST_IS_ELEMENT (element)) - return element; - } - else { + return element; + } else { pads = gst_element_get_pad_list (element); has_src = FALSE; has_correct_type = FALSE; while (pads) { - /* check for src pad */ - if (GST_PAD_DIRECTION (GST_PAD (pads->data)) == GST_PAD_SRC) { - has_src = TRUE; - break; - } - else { - /* If not a src pad checking caps */ - GstCaps *caps; - GstStructure *structure; - gboolean has_video_cap = FALSE; - gboolean has_audio_cap = FALSE; - - caps = gst_pad_get_caps (GST_PAD (pads->data)); - structure = gst_caps_get_structure (caps, 0); - - if (strcmp (gst_structure_get_name (structure), - "audio/x-raw-int") == 0) { - has_audio_cap = TRUE; - } - - if (strcmp (gst_structure_get_name (structure), - "video/x-raw-yuv") == 0 || - strcmp (gst_structure_get_name (structure), - "video/x-raw-rgb") == 0) { - has_video_cap = TRUE; - } - - gst_caps_free (caps); - - switch (sink_type) { - case GST_PLAY_SINK_TYPE_AUDIO: - if (has_audio_cap) - has_correct_type = TRUE; - break; - case GST_PLAY_SINK_TYPE_VIDEO: - if (has_video_cap) - has_correct_type = TRUE; - break; - case GST_PLAY_SINK_TYPE_ANY: - if ((has_video_cap) || (has_audio_cap)) - has_correct_type = TRUE; - break; - default: - has_correct_type = FALSE; - } - } - - pads = g_list_next (pads); - + /* check for src pad */ + if (GST_PAD_DIRECTION (GST_PAD (pads->data)) == GST_PAD_SRC) { + has_src = TRUE; + break; + } else { + /* If not a src pad checking caps */ + GstCaps *caps; + GstStructure *structure; + gboolean has_video_cap = FALSE; + gboolean has_audio_cap = FALSE; + + caps = gst_pad_get_caps (GST_PAD (pads->data)); + structure = gst_caps_get_structure (caps, 0); + + if (strcmp (gst_structure_get_name (structure), + "audio/x-raw-int") == 0) { + has_audio_cap = TRUE; + } + + if (strcmp (gst_structure_get_name (structure), + "video/x-raw-yuv") == 0 || + strcmp (gst_structure_get_name (structure), + "video/x-raw-rgb") == 0) { + has_video_cap = TRUE; + } + + gst_caps_free (caps); + + switch (sink_type) { + case GST_PLAY_SINK_TYPE_AUDIO: + if (has_audio_cap) + has_correct_type = TRUE; + break; + case GST_PLAY_SINK_TYPE_VIDEO: + if (has_video_cap) + has_correct_type = TRUE; + break; + case GST_PLAY_SINK_TYPE_ANY: + if ((has_video_cap) || (has_audio_cap)) + has_correct_type = TRUE; + break; + default: + has_correct_type = FALSE; + } + } + + pads = g_list_next (pads); + } - + if ((!has_src) && (has_correct_type)) - return element; + return element; } - + elements = g_list_next (elements); } - + /* we didn't find a sink element */ - + return NULL; } GstPlay * -gst_play_new (GError **error) +gst_play_new (GError ** error) { GstPlay *play = g_object_new (GST_TYPE_PLAY, NULL); - if (play->priv->error) - { - if (error) - { + if (play->priv->error) { + if (error) { *error = play->priv->error; play->priv->error = NULL; - } - else - { - g_warning ("Error creating GstPlay object.\n%s", play->priv->error->message); + } else { + g_warning ("Error creating GstPlay object.\n%s", + play->priv->error->message); g_error_free (play->priv->error); } } @@ -1267,9 +1265,9 @@ gst_play_get_type (void) (GInstanceInitFunc) gst_play_init, NULL }; - + play_type = g_type_register_static (GST_TYPE_PIPELINE, "GstPlay", - &play_info, 0); + &play_info, 0); } return play_type; |