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decodebin3: Add new about-to-finish signal
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c136acf27a
commit
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1 changed files with 47 additions and 0 deletions
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@ -278,6 +278,12 @@ struct _DecodebinInput
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gulong pad_added_sigid;
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gulong pad_added_sigid;
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gulong pad_removed_sigid;
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gulong pad_removed_sigid;
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gulong drained_sigid;
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/* TRUE if the input got drained
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* FIXME : When do we reset it if re-used ?
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*/
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gboolean drained;
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/* HACK : Remove these fields */
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/* HACK : Remove these fields */
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/* List of PendingPad structures */
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/* List of PendingPad structures */
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@ -357,6 +363,7 @@ enum
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enum
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enum
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{
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{
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SIGNAL_SELECT_STREAM,
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SIGNAL_SELECT_STREAM,
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SIGNAL_ABOUT_TO_FINISH,
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LAST_SIGNAL
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LAST_SIGNAL
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};
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};
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static guint gst_decodebin3_signals[LAST_SIGNAL] = { 0 };
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static guint gst_decodebin3_signals[LAST_SIGNAL] = { 0 };
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@ -548,6 +555,17 @@ gst_decodebin3_class_init (GstDecodebin3Class * klass)
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_gst_int_accumulator, NULL, g_cclosure_marshal_generic,
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_gst_int_accumulator, NULL, g_cclosure_marshal_generic,
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G_TYPE_INT, 2, GST_TYPE_STREAM_COLLECTION, GST_TYPE_STREAM);
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G_TYPE_INT, 2, GST_TYPE_STREAM_COLLECTION, GST_TYPE_STREAM);
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/**
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* GstDecodebin3::about-to-finish:
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*
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* This signal is emitted when the data for the selected URI is
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* entirely buffered and it is safe to specify anothe URI.
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*/
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gst_decodebin3_signals[SIGNAL_ABOUT_TO_FINISH] =
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g_signal_new ("about-to-finish", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE,
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0, G_TYPE_NONE);
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element_class->request_new_pad =
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element_class->request_new_pad =
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GST_DEBUG_FUNCPTR (gst_decodebin3_request_new_pad);
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GST_DEBUG_FUNCPTR (gst_decodebin3_request_new_pad);
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@ -713,6 +731,30 @@ set_input_group_id (DecodebinInput * input, guint32 * group_id)
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return FALSE;
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return FALSE;
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}
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}
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static void
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parsebin_drained_cb (GstElement * parsebin, DecodebinInput * input)
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{
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GstDecodebin3 *dbin = input->dbin;
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gboolean all_drained;
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GList *tmp;
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GST_WARNING_OBJECT (dbin, "input %p drained", input);
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input->drained = TRUE;
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all_drained = dbin->main_input->drained;
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for (tmp = dbin->other_inputs; tmp; tmp = tmp->next) {
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DecodebinInput *data = (DecodebinInput *) tmp->data;
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all_drained &= data->drained;
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}
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if (all_drained) {
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GST_WARNING_OBJECT (dbin, "All inputs drained. Posting about-to-finish");
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g_signal_emit (dbin, gst_decodebin3_signals[SIGNAL_ABOUT_TO_FINISH], 0,
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NULL);
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}
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}
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/* Call with INPUT_LOCK taken */
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/* Call with INPUT_LOCK taken */
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static gboolean
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static gboolean
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ensure_input_parsebin (GstDecodebin3 * dbin, DecodebinInput * input)
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ensure_input_parsebin (GstDecodebin3 * dbin, DecodebinInput * input)
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@ -731,6 +773,9 @@ ensure_input_parsebin (GstDecodebin3 * dbin, DecodebinInput * input)
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input->pad_removed_sigid =
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input->pad_removed_sigid =
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g_signal_connect (input->parsebin, "pad-removed",
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g_signal_connect (input->parsebin, "pad-removed",
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(GCallback) parsebin_pad_removed_cb, input);
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(GCallback) parsebin_pad_removed_cb, input);
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input->drained_sigid =
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g_signal_connect (input->parsebin, "drained",
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(GCallback) parsebin_drained_cb, input);
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g_signal_connect (input->parsebin, "autoplug-continue",
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g_signal_connect (input->parsebin, "autoplug-continue",
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(GCallback) parsebin_autoplug_continue_cb, dbin);
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(GCallback) parsebin_autoplug_continue_cb, dbin);
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}
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}
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@ -853,6 +898,7 @@ gst_decodebin3_input_pad_unlink (GstPad * pad, GstObject * parent)
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gst_element_set_state (input->parsebin, GST_STATE_NULL);
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gst_element_set_state (input->parsebin, GST_STATE_NULL);
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g_signal_handler_disconnect (input->parsebin, input->pad_removed_sigid);
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g_signal_handler_disconnect (input->parsebin, input->pad_removed_sigid);
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g_signal_handler_disconnect (input->parsebin, input->pad_added_sigid);
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g_signal_handler_disconnect (input->parsebin, input->pad_added_sigid);
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g_signal_handler_disconnect (input->parsebin, input->drained_sigid);
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gst_pad_remove_probe (input->parsebin_sink, probe_id);
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gst_pad_remove_probe (input->parsebin_sink, probe_id);
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gst_object_unref (input->parsebin);
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gst_object_unref (input->parsebin);
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gst_object_unref (input->parsebin_sink);
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gst_object_unref (input->parsebin_sink);
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@ -882,6 +928,7 @@ free_input (GstDecodebin3 * dbin, DecodebinInput * input)
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if (input->parsebin) {
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if (input->parsebin) {
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g_signal_handler_disconnect (input->parsebin, input->pad_removed_sigid);
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g_signal_handler_disconnect (input->parsebin, input->pad_removed_sigid);
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g_signal_handler_disconnect (input->parsebin, input->pad_added_sigid);
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g_signal_handler_disconnect (input->parsebin, input->pad_added_sigid);
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g_signal_handler_disconnect (input->parsebin, input->drained_sigid);
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gst_element_set_state (input->parsebin, GST_STATE_NULL);
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gst_element_set_state (input->parsebin, GST_STATE_NULL);
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gst_object_unref (input->parsebin);
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gst_object_unref (input->parsebin);
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gst_object_unref (input->parsebin_sink);
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gst_object_unref (input->parsebin_sink);
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