diff options
Diffstat (limited to 'gst-libs/gst/play/play.c')
| -rw-r--r-- | gst-libs/gst/play/play.c | 1233 |
1 files changed, 271 insertions, 962 deletions
diff --git a/gst-libs/gst/play/play.c b/gst-libs/gst/play/play.c index 33808579..d41c69a8 100644 --- a/gst-libs/gst/play/play.c +++ b/gst-libs/gst/play/play.c @@ -20,10 +20,13 @@ #ifdef HAVE_CONFIG_H #include "config.h" #endif + #include <string.h> +#include <unistd.h> +#include <gst/gst.h> +#include <gst/gst-i18n-plugin.h> #include "play.h" -#include <gst/gst-i18n-plugin.h> #define TICK_INTERVAL_MSEC 200 @@ -40,26 +43,21 @@ enum struct _GstPlayPrivate { - char *location; - - GHashTable *elements; - - gint64 time_nanos; - gint64 length_nanos; - + /* progress indicators */ + guint64 time_nanos; + guint64 length_nanos; gint get_length_attempt; - - gint tick_unblock_remaining; /* how many msecs left - to unblock due to seeking */ - guint tick_id; - guint length_id; - gulong handoff_hid; + /* playbin object */ + GstElement *playbin; - /* error/debug handling */ - GError *error; - gchar *debug; + /* visualization */ + gboolean enable_vis; + GstElement *vis_element; + + /* location */ + char *location; }; static guint gst_play_signals[LAST_SIGNAL] = { 0 }; @@ -72,546 +70,130 @@ 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 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; -} - -/* General GError creation */ -static void -gst_play_error_create (GError ** error, const gchar * message) -{ - /* check if caller wanted an error reported */ - if (error == NULL) - return; - - *error = g_error_new (GST_PLAY_ERROR, 0, message); - return; -} - -/* GError creation when plugin is missing */ -/* 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) -{ - 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); - gst_play_error_create (error, message); - g_free (message); - return; -} - -#define GST_PLAY_MAKE_OR_ERROR(el, factory, name, error) \ -G_STMT_START { \ - el = gst_element_factory_make (factory, name); \ - if (!GST_IS_ELEMENT (el)) { \ - gst_play_error_plugin (factory, error); \ - return FALSE; \ - } \ -} G_STMT_END - -/* Create a colorspace element from the list of acceptable ones; - * set error and fail if none found. */ -#define GST_PLAY_MAKE_CS_OR_ERROR(el, name, error) \ -G_STMT_START { \ - el = gst_element_factory_make ("ffmpegcolorspace", name); \ - if (!GST_IS_ELEMENT (el)) \ - el = gst_element_factory_make ("ffcolorspace", name); \ - if (!GST_IS_ELEMENT (el)) \ - el = gst_element_factory_make ("hermescolorspace", name); \ - if (!GST_IS_ELEMENT (el)) { \ - gst_play_error_create (error, \ - _("No usable colorspace element could be found.\n" \ - "Please install one and restart.")); \ - return FALSE; \ - } \ -} G_STMT_END - -#define GST_PLAY_ERROR_RETURN(error, message) \ -G_STMT_START { \ - gst_play_error_create (error, message); \ - return FALSE; \ -} G_STMT_END - -#define GST_PLAY_HASH_LOOKUP(element, key, retval_if_fail) \ -G_STMT_START { \ - (element) = g_hash_table_lookup (play->priv->elements, (key));\ - if (!element) \ - return (retval_if_fail); \ -} G_STMT_END - -/* setup parts of the pipeline - * only put decoding part in the thread - * create all others and keep them around - */ - -static gboolean -gst_play_pipeline_setup (GstPlay * play, GError ** error) +caps_set (GstPad * pad, GParamSpec * pspec, GstPlay * play) { - /* Threads */ - GstElement *work_thread, *audio_thread, *video_thread; - - /* output bin */ - GstElement *output_bin; - - /* Main Thread elements */ - GstElement *source, *autoplugger; - - /* output bin elements */ - GstElement *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); - - GST_DEBUG_OBJECT (play, "setting up pipeline"); - /* 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); - - /* adding and linking */ - gst_bin_add_many (GST_BIN (work_thread), source, autoplugger, NULL); - if (!gst_element_link (source, autoplugger)) - GST_PLAY_ERROR_RETURN (error, "Could not link source and autoplugger"); - } - - /* output bin */ - { - GST_PLAY_MAKE_OR_ERROR (output_bin, "bin", "output_bin", error); - g_hash_table_insert (play->priv->elements, "output_bin", output_bin); - /* 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 (output_bin), audioconvert, tee, NULL); - if (!gst_element_link (audioconvert, tee)) - GST_PLAY_ERROR_RETURN (error, "Could not link audio thread elements"); - - /* identity ! colorspace ! switch */ - GST_PLAY_MAKE_OR_ERROR (identity, "identity", "identity", error); - g_hash_table_insert (play->priv->elements, "identity", identity); - GST_PLAY_MAKE_CS_OR_ERROR (identity_cs, "identity_cs", error); - g_hash_table_insert (play->priv->elements, "identity_cs", identity_cs); - gst_bin_add_many (GST_BIN (output_bin), identity, identity_cs, NULL); - if (!gst_element_link (identity, identity_cs)) - GST_PLAY_ERROR_RETURN (error, "Could not link work thread elements"); - /* we ref the output bin so we can put it in and out the work_thread - * whenever we want */ - gst_object_ref (GST_OBJECT (output_bin)); - GST_DEBUG_OBJECT (play, "adding output bin to work thread in setup"); - gst_bin_add (GST_BIN (work_thread), output_bin); - - } - - /* 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; + const GstCaps *caps = GST_PAD_CAPS (pad); + GstStructure *s = gst_caps_get_structure (caps, 0); + + if (s) { + const GValue *par; + gint w, h; + + /* get effective size */ + gst_structure_get_int (s, "width", &w); + gst_structure_get_int (s, "height", &h); + if ((par = gst_structure_get_value (s, "pixel-aspect-ratio"))) { + gint num = gst_value_get_fraction_numerator (par), + den = gst_value_get_fraction_denominator (par); + + if (num > den) + w *= (gfloat) num / den; + else + h *= (gfloat) den / num; } - 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 */ - GST_PLAY_MAKE_CS_OR_ERROR (vis_cs, "vis_cs", error); - 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 (output_bin), 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 */ - GST_PLAY_MAKE_CS_OR_ERROR (video_cs, "video_cs", error); - 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 */ - GST_PLAY_MAKE_CS_OR_ERROR (balance_cs, "balance_cs", error); - 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_signal_emit (play, gst_play_signals[HAVE_VIDEO_SIZE], 0, w, h); + g_signal_handlers_disconnect_by_func (pad, caps_set, play); } - /* 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 (output_bin), 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_DEBUG_OBJECT (play, "setting up pipeline succeeded."); - return TRUE; } static void -gst_play_have_video_size (GstElement * element, gint width, - gint height, GstPlay * play) +setup_size (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); -} - -static gboolean -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) { - 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"); - - if (!GST_IS_ELEMENT (audio_sink_element)) { - play->priv->tick_id = 0; - return FALSE; + const GList *streaminfo = NULL; + GstPad *pad = NULL; + + g_object_get (G_OBJECT (play->priv->playbin), + "stream-info", &streaminfo, NULL); + + for (; streaminfo != NULL; streaminfo = streaminfo->next) { + GObject *info = streaminfo->data; + gint type; + GParamSpec *pspec; + GEnumValue *val; + + g_object_get (info, "type", &type, NULL); + pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (info), "type"); + val = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, type); + + if (g_strrstr (val->value_name, "VIDEO")) { + g_object_get (info, "object", &pad, NULL); + pad = (GstPad *) GST_PAD_REALIZE (pad); + break; + } } - q = gst_element_query (audio_sink_element, GST_QUERY_POSITION, &format, - &(play->priv->time_nanos)); - - if (q) - g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], - 0, play->priv->time_nanos); - - if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) - return TRUE; - else { - play->priv->tick_id = 0; - return FALSE; + if (pad) { + /* handle explicit caps as well - they're set later */ + if (GST_PAD_CAPS (pad)) + caps_set (pad, NULL, play); + else + g_signal_connect (pad, "notify::caps", G_CALLBACK (caps_set), play); } } static gboolean -gst_play_get_length_callback (GstPlay * play) +gst_play_tick_callback (GstPlay * play) { - GstElement *audio_sink_element, *video_sink_element; - GstFormat format = GST_FORMAT_TIME; + GstFormat fmt = 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); - GST_DEBUG_OBJECT (play, "trying to get length"); - /* We try to get length from all real sink elements */ - audio_sink_element = g_hash_table_lookup (play->priv->elements, - "audio_sink_element"); - video_sink_element = g_hash_table_lookup (play->priv->elements, - "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)) { - GST_DEBUG_OBJECT (play, "querying for length on audio sink"); - q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format, - &value); - } else - GST_DEBUG_OBJECT (play, "no audio sink element"); - if (!q) { - GST_DEBUG_OBJECT (play, "no query result from audio sink"); - if (GST_IS_ELEMENT (video_sink_element)) { - GST_DEBUG_OBJECT (play, "querying for length on video sink"); - q = gst_element_query (video_sink_element, GST_QUERY_TOTAL, &format, - &value); + /* check length/pos of stream */ + if (!GST_CLOCK_TIME_IS_VALID (play->priv->length_nanos) && + play->priv->get_length_attempt < 16) { + if (gst_element_query (GST_ELEMENT (play->priv->playbin), + GST_QUERY_TOTAL, &fmt, &value)) { + play->priv->length_nanos = value; + g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], + 0, play->priv->length_nanos); } + play->priv->get_length_attempt++; } - - if (q) { - play->priv->length_nanos = value; - GST_DEBUG_OBJECT (play, "got length, %" GST_TIME_FORMAT, - GST_TIME_ARGS ((GstClockTime) value)); - g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], - 0, play->priv->length_nanos); - play->priv->length_id = 0; - return FALSE; - } - - play->priv->get_length_attempt++; - GST_DEBUG_OBJECT (play, "no length yet, was attempt %d", - play->priv->get_length_attempt); - - /* We try 16 times */ - if (play->priv->get_length_attempt > 15) { - play->priv->length_id = 0; - return FALSE; - } else - return TRUE; -} - -static GstCaps * -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; - - newcaps = gst_caps_copy (caps); - structure = gst_caps_get_structure (newcaps, 0); - - if (gst_structure_has_field (structure, "width") && - gst_caps_structure_fixate_field_nearest_int (structure, "width", 320)) { - return newcaps; - } - if (gst_structure_has_field (structure, "height") && - gst_caps_structure_fixate_field_nearest_int (structure, "height", 240)) { - return newcaps; - } - if (gst_structure_has_field (structure, "framerate") && - gst_caps_structure_fixate_field_nearest_double (structure, "framerate", - 30.0)) { - return newcaps; + if (gst_element_query (GST_ELEMENT (play->priv->playbin), + GST_QUERY_POSITION, &fmt, &value)) { + play->priv->time_nanos = value; + g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], + 0, play->priv->time_nanos); } - /* failed to fixate */ - gst_caps_free (newcaps); - return NULL; + return TRUE; } -static GstCaps * -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); - structure = gst_caps_get_structure (newcaps, 0); - - if (gst_structure_has_field (structure, "rate") && - gst_caps_structure_fixate_field_nearest_int (structure, "rate", 44100)) { - return newcaps; - } - if (gst_structure_has_field (structure, "depth") && - gst_caps_structure_fixate_field_nearest_int (structure, "depth", 16)) { - return newcaps; - } - if (gst_structure_has_field (structure, "width") && - gst_caps_structure_fixate_field_nearest_int (structure, "width", 16)) { - return newcaps; - } - if (gst_structure_has_field (structure, "channels") && - gst_caps_structure_fixate_field_nearest_int (structure, "channels", 2)) { - return newcaps; - } - - gst_caps_free (newcaps); - - return NULL; -} +/* + * Virtual function. + */ -/* this is a signal handler because we want this called AFTER the state - * change has passed. FIXME: core should rename signal to state-changed - * to make this clear. */ static void -gst_play_state_change (GstElement * element, GstElementState old, - GstElementState state) +gst_play_change_state (GstElement * element, + GstElementState old, GstElementState new, gpointer data) { - 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); - - 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 { - if (play->priv->tick_id) { - g_source_remove (play->priv->tick_id); - play->priv->tick_id = 0; - } - if (play->priv->length_id) { - g_source_remove (play->priv->length_id); - play->priv->length_id = 0; - } + GstPlay *play = GST_PLAY (data); + gint t = (old << 8) | new; + + /* now set up tickers */ + switch (t) { + case GST_STATE_PAUSED_TO_PLAYING: + play->priv->tick_id = g_timeout_add (TICK_INTERVAL_MSEC, + (GSourceFunc) gst_play_tick_callback, play); + break; + case GST_STATE_PLAYING_TO_PAUSED: + if (play->priv->tick_id != 0) { + g_source_remove (play->priv->tick_id); + play->priv->tick_id = 0; + } + break; + case GST_STATE_PAUSED_TO_READY: + play->priv->length_nanos = GST_CLOCK_TIME_NONE; + play->priv->time_nanos = GST_CLOCK_TIME_NONE; + play->priv->get_length_attempt = 0; + break; + case GST_STATE_READY_TO_PAUSED: + setup_size (play); + break; + default: + break; } - - 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) -{ - g_signal_handler_disconnect (G_OBJECT (identity), play->priv->handoff_hid); - play->priv->handoff_hid = 0; - gst_play_connect_visualization (play, FALSE); } /* =========================================== */ @@ -623,38 +205,21 @@ gst_play_identity_handoff (GstElement * identity, GstBuffer * buf, static void gst_play_dispose (GObject * object) { - GstPlay *play; - GstElement *output_bin; + GstPlay *play = GST_PLAY (object); - g_return_if_fail (object != NULL); - g_return_if_fail (GST_IS_PLAY (object)); + /* reset */ + gst_element_set_state (GST_ELEMENT (play), GST_STATE_NULL); - 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; + /* no vis */ + if (play->priv->vis_element) { + gst_object_unref (GST_OBJECT (play->priv->vis_element)); + play->priv->vis_element = NULL; } - if (play->priv->location) { - g_free (play->priv->location); - play->priv->location = NULL; - } - /* since we reffed our output bin to keep it around, unref it here */ - output_bin = g_hash_table_lookup (play->priv->elements, "output_bin"); - if (output_bin) - gst_object_unref (GST_OBJECT (output_bin)); - - if (play->priv->elements) { - g_hash_table_destroy (play->priv->elements); - play->priv->elements = NULL; - } + g_free (play->priv->location); + play->priv->location = NULL; + /* parent will clean up the rest */ G_OBJECT_CLASS (parent_class)->dispose (object); } @@ -662,16 +227,24 @@ static void gst_play_init (GstPlay * play) { play->priv = g_new0 (GstPlayPrivate, 1); + + /* default */ + play->priv->length_nanos = GST_CLOCK_TIME_NONE; + play->priv->time_nanos = GST_CLOCK_TIME_NONE; + play->priv->tick_id = 0; + play->priv->get_length_attempt = 0; + + play->priv->enable_vis = FALSE; + play->priv->vis_element = NULL; + play->priv->location = NULL; - play->priv->length_nanos = 0; - play->priv->time_nanos = 0; - 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)) { - g_warning ("libgstplay: failed initializing pipeline, error: %s", - play->priv->error->message); + + /* make playbin */ + play->priv->playbin = gst_element_factory_make ("playbin", "player"); + if (play->priv->playbin) { + gst_bin_add (GST_BIN (play), play->priv->playbin); + g_signal_connect (play->priv->playbin, "state-change", + G_CALLBACK (gst_play_change_state), play); } } @@ -679,14 +252,11 @@ static void 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); + parent_class = g_type_class_ref (GST_TYPE_PIPELINE); 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, @@ -701,7 +271,9 @@ gst_play_class_init (GstPlayClass * 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); + GST_DEBUG_CATEGORY_INIT (play_debug, "GST_PLAY", 0, "GStreamer Play library"); + GST_DEBUG ("Play class initialized"); } @@ -720,62 +292,41 @@ gst_play_class_init (GstPlayClass * klass) * * Returns: TRUE if location was set successfully. */ + gboolean gst_play_set_location (GstPlay * play, const char *location) { - GstElement *work_thread, *source, *autoplugger; - GstElement *audioconvert, *identity; + char *uri; g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); + g_return_val_if_fail (location != NULL, FALSE); + /* cache */ if (play->priv->location) g_free (play->priv->location); - play->priv->location = g_strdup (location); - if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) { - GstElementStateReturn ret; + /* get file */ + gst_element_set_state (play->priv->playbin, GST_STATE_READY); + if (strchr (location, ':')) + uri = g_strdup (location); + else if (location[0] == '/') + uri = g_strdup_printf ("file://%s", location); + else { + char cwd[256]; - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } + getcwd (cwd, 255); + uri = g_strdup_printf ("file://%s/%s", cwd, location); } + g_object_set (play->priv->playbin, "uri", uri, NULL); + g_free (uri); - GST_PLAY_HASH_LOOKUP (work_thread, "work_thread", FALSE); - GST_PLAY_HASH_LOOKUP (source, "source", FALSE); - GST_PLAY_HASH_LOOKUP (autoplugger, "autoplugger", FALSE); - GST_PLAY_HASH_LOOKUP (audioconvert, "audioconvert", FALSE); - GST_PLAY_HASH_LOOKUP (identity, "identity", FALSE); - - /* Spider can autoplug 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)) + /* open */ + if (gst_element_set_state (play->priv->playbin, + GST_STATE_PAUSED) != GST_STATE_SUCCESS) { 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; } @@ -786,13 +337,15 @@ gst_play_set_location (GstPlay * play, const char *location) * * Get current location of @play. * - * Returns: a const #char* pointer to current location. + * Returns: a #char* pointer to current location. */ + char * gst_play_get_location (GstPlay * play) { g_return_val_if_fail (play != NULL, NULL); g_return_val_if_fail (GST_IS_PLAY (play), NULL); + return g_strdup (play->priv->location); } @@ -803,58 +356,16 @@ gst_play_get_location (GstPlay * play) * * Performs a seek on @play until @time_nanos. */ -/* FIXME: use GstClockTime for 0.9 */ + +/* + * FIXME: use GstClockTime for 0.9 + */ + gboolean gst_play_seek_to_time (GstPlay * play, gint64 time_nanos) { - GstElement *audio_seek_element, *video_seek_element, *audio_sink_element; - GstClockTime seek_to; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - g_return_val_if_fail (time_nanos >= 0L, FALSE); - - seek_to = (GstClockTime) time_nanos; - GST_DEBUG_OBJECT (play, "seeking to time %" GST_TIME_FORMAT, - GST_TIME_ARGS (seek_to)); - - audio_seek_element = g_hash_table_lookup (play->priv->elements, - "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"); - - 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); - if (!s) { - s = gst_element_seek (audio_seek_element, GST_FORMAT_TIME | - 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)); - - if (q) - g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], - 0, play->priv->time_nanos); - } - } - - return TRUE; + return gst_element_seek (play->priv->playbin, + GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, time_nanos); } /** @@ -866,46 +377,12 @@ 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) { - 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); - - GST_DEBUG_OBJECT (play, "setting new data src element %s", - GST_ELEMENT_NAME (data_src)); - /* We bring back the pipeline to READY */ - if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) { - GstElementStateReturn ret; - - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } - } - - /* Getting needed objects */ - GST_PLAY_HASH_LOOKUP (work_thread, "work_thread", FALSE); - GST_PLAY_HASH_LOOKUP (old_data_src, "source", FALSE); - GST_PLAY_HASH_LOOKUP (autoplugger, "autoplugger", 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 */ - gst_element_unlink (old_data_src, autoplugger); - gst_bin_remove (GST_BIN (work_thread), old_data_src); - gst_bin_add (GST_BIN (work_thread), data_src); - if (!gst_element_link (data_src, autoplugger)) { - GST_ERROR_OBJECT (play, "could not link source to autoplugger"); - return FALSE; - } - - g_hash_table_replace (play->priv->elements, "source", data_src); - - return TRUE; + /* deprecated - use URIs */ + return FALSE; } /** @@ -917,61 +394,11 @@ 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) { - GstElement *video_thread, *old_video_sink, *video_scaler, *video_sink_element; - GstElementStateReturn ret; - - 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) { - GstElementStateReturn ret; - - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } - } - - /* Getting needed objects */ - GST_PLAY_HASH_LOOKUP (video_thread, "video_thread", FALSE); - GST_PLAY_HASH_LOOKUP (old_video_sink, "video_sink", FALSE); - GST_PLAY_HASH_LOOKUP (video_scaler, "video_scaler", 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); - if (!gst_element_link (video_scaler, video_sink)) { - GST_ERROR_OBJECT (play, "could not link video_scaler to video_sink"); - return FALSE; - } - - 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); - if (GST_IS_ELEMENT (video_sink_element)) { - g_hash_table_replace (play->priv->elements, "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); - } - } - - ret = gst_element_set_state (video_sink, GST_STATE (GST_ELEMENT (play))); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } + g_object_set (G_OBJECT (play->priv->playbin), "video-sink", video_sink, NULL); return TRUE; } @@ -985,57 +412,11 @@ 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) { - GstElement *old_audio_sink, *audio_thread, *volume, *audio_sink_element; - GstElementStateReturn ret; - - 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) { - GstElementStateReturn ret; - - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } - } - - /* Getting needed objects */ - GST_PLAY_HASH_LOOKUP (audio_thread, "audio_thread", FALSE); - GST_PLAY_HASH_LOOKUP (volume, "volume", FALSE); - GST_PLAY_HASH_LOOKUP (old_audio_sink, "audio_sink", 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); - if (!gst_element_link (volume, audio_sink)) { - GST_ERROR_OBJECT (play, "could not link volume to audio_sink"); - return FALSE; - } - - 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); - if (GST_IS_ELEMENT (audio_sink_element)) { - g_hash_table_replace (play->priv->elements, "audio_sink_element", - audio_sink_element); - } - - ret = gst_element_set_state (audio_sink, GST_STATE (GST_ELEMENT (play))); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } + g_object_set (G_OBJECT (play->priv->playbin), "audio-sink", audio_sink, NULL); return TRUE; } @@ -1049,53 +430,28 @@ 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) { - 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 */ - GST_PLAY_HASH_LOOKUP (vis_bin, "vis_bin", FALSE); - GST_PLAY_HASH_LOOKUP (vis_queue, "vis_queue", FALSE); - GST_PLAY_HASH_LOOKUP (old_vis_element, "vis_element", FALSE); - GST_PLAY_HASH_LOOKUP (vis_cs, "vis_cs", FALSE); - - /* We bring back the pipeline to PAUSED */ - if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { - GstElementStateReturn ret; - - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } - was_playing = TRUE; + /* unset old */ + if (play->priv->vis_element) { + gst_object_unref (GST_OBJECT (play->priv->vis_element)); + play->priv->vis_element = NULL; } - gst_element_unlink_many (vis_queue, old_vis_element, vis_cs, NULL); - gst_bin_remove (GST_BIN (vis_bin), old_vis_element); - gst_bin_add (GST_BIN (vis_bin), vis_element); - if (!gst_element_link_many (vis_queue, vis_element, vis_cs, NULL)) { - GST_ERROR_OBJECT (play, "could not link vis bin elements"); - return FALSE; + /* set new */ + if (vis_element) { + gst_object_ref (GST_OBJECT (vis_element)); + play->priv->vis_element = vis_element; } - g_hash_table_replace (play->priv->elements, "vis_element", vis_element); - - if (was_playing) { - GstElementStateReturn ret; - - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } + /* use */ + if (play->priv->vis_element && play->priv->enable_vis) { + g_object_set (G_OBJECT (play->priv->playbin), + "vis-plugin", vis_element, NULL); + } else { + g_object_set (G_OBJECT (play->priv->playbin), "vis-plugin", NULL, NULL); } return TRUE; @@ -1111,101 +467,18 @@ gst_play_set_visualization (GstPlay * play, GstElement * vis_element) * * Returns: TRUE if call succeeded. */ + gboolean 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 */ - GST_PLAY_HASH_LOOKUP (video_thread, "video_thread", FALSE); - GST_PLAY_HASH_LOOKUP (vis_bin, "vis_bin", FALSE); - GST_PLAY_HASH_LOOKUP (vis_queue, "vis_queue", FALSE); - GST_PLAY_HASH_LOOKUP (video_switch, "video_switch", FALSE); - GST_PLAY_HASH_LOOKUP (identity, "identity", FALSE); - - GST_PLAY_HASH_LOOKUP (tee_pad1, "tee_pad1", 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) { - GstElementStateReturn ret; + play->priv->enable_vis = connect; - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } - was_playing = TRUE; - } - - /* Unlinking, removing */ - gst_pad_unlink (tee_pad1, vis_queue_pad); - vis_bin_pad = gst_element_get_pad (vis_bin, "src"); - switch_pad = gst_pad_get_peer (vis_bin_pad); - gst_pad_unlink (vis_bin_pad, switch_pad); - 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); + /* use */ + if (play->priv->vis_element && play->priv->enable_vis) { + g_object_set (G_OBJECT (play->priv->playbin), + "vis-plugin", play->priv->vis_element, NULL); } 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) { - GstElementStateReturn ret; - - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } - was_playing = TRUE; - } - - /* Adding, linking */ - play->priv->handoff_hid = g_signal_connect (G_OBJECT (identity), - "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); - if (!gst_element_link (vis_bin, video_switch)) { - GST_ERROR_OBJECT (play, "could not link vis bin to video switch"); - return FALSE; - } - } - - if (was_playing) { - GstElementStateReturn ret; - - ret = gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING); - if (ret == GST_STATE_FAILURE) { - GST_ERROR_OBJECT (play, "failed setting to READY"); - return FALSE; - } + g_object_set (G_OBJECT (play->priv->playbin), "vis-plugin", NULL, NULL); } return TRUE; @@ -1219,34 +492,46 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect) * * Returns: a #gdouble indicating video framerate in frame per second. */ + gdouble gst_play_get_framerate (GstPlay * play) { - GstElement *video_element = NULL; - GstPad *video_pad = NULL; - GstCaps *video_pad_caps = NULL; - GstStructure *structure = NULL; - - g_return_val_if_fail (GST_IS_PLAY (play), 0); - - GST_PLAY_HASH_LOOKUP (video_element, "video_sink", 0); - video_pad = gst_element_get_pad (video_element, "sink"); - if (!GST_IS_PAD (video_pad)) - return 0; - video_pad_caps = (GstCaps *) gst_pad_get_negotiated_caps (video_pad); - if (!GST_IS_CAPS (video_pad_caps)) - return 0; - - structure = gst_caps_get_structure (video_pad_caps, 0); + const GList *streaminfo = NULL; + const GstStructure *str = NULL; + gdouble value; + + g_object_get (G_OBJECT (play->priv->playbin), + "stream-info", &streaminfo, NULL); + + for (; streaminfo != NULL; streaminfo = streaminfo->next) { + GObject *info = streaminfo->data; + gint type; + GParamSpec *pspec; + GEnumValue *val; + + g_object_get (info, "type", &type, NULL); + pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (info), "type"); + val = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, type); + + if (strstr (val->value_name, "VIDEO")) { + const GstCaps *caps = NULL; + GstPad *pad = NULL; + + g_object_get (info, "object", &pad, NULL); + g_assert (GST_IS_PAD (pad)); + pad = (GstPad *) GST_PAD_REALIZE (pad); + caps = GST_PAD_CAPS (pad); + str = gst_caps_get_structure (caps, 0); + break; + } + } - if (structure) { - gdouble value; + if (!str) + return 0.; - gst_structure_get_double (structure, "framerate", &value); - return value; - } + gst_structure_get_double (str, "framerate", &value); - return 0; + return value; } /** @@ -1260,6 +545,11 @@ gst_play_get_framerate (GstPlay * play) * * Returns: the sink #GstElement of @element. */ + +/* + * (Ronald) what is this? + */ + GstElement * gst_play_get_sink_element (GstPlay * play, GstElement * element, GstPlaySinkType sink_type) @@ -1389,30 +679,49 @@ gst_play_get_sink_element (GstPlay * play, * * Returns: a #GList of #GstElement implementing the interface. */ + GList * -gst_play_get_all_by_interface (GstPlay * play, GType interface) +gst_play_get_all_by_interface (GstPlay * play, GType interface_type) { - GstElement *output_bin; + GstElement *videosink = NULL, *audiosink = NULL; + GList *res = NULL; - GST_PLAY_HASH_LOOKUP (output_bin, "output_bin", NULL); - return gst_bin_get_all_by_interface (GST_BIN (output_bin), interface); + g_object_get (G_OBJECT (play->priv->playbin), + "video-sink", &videosink, "audio-sink", &audiosink, NULL); + + /* ehw... */ + if (videosink && GST_IS_BIN (videosink)) { + res = gst_bin_get_all_by_interface (GST_BIN (videosink), interface_type); + } + if (!res && audiosink && GST_IS_BIN (audiosink)) { + res = gst_bin_get_all_by_interface (GST_BIN (audiosink), interface_type); + } + + return res; } +/** + * gst_play_new: + * @error: a pointer to a #GError, which will be filled in on error. + * + * Creates a new GstPlay object. + * + * Returns: a newly created #GstPlay, or NULL on error (the #GError + * will be set accordingly). + */ + GstPlay * gst_play_new (GError ** error) { GstPlay *play = g_object_new (GST_TYPE_PLAY, NULL); - 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); - g_error_free (play->priv->error); - } + if (!play->priv->playbin) { + g_set_error (error, 0, 0, _("Failed to create playbin object")); + g_object_unref (G_OBJECT (play)); + + return NULL; } + return play; } |