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media: add signal to notify of pending state changes
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parent
099a10f61f
commit
5eca958d5e
2 changed files with 18 additions and 1 deletions
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@ -157,6 +157,7 @@ enum
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SIGNAL_REMOVED_STREAM,
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SIGNAL_PREPARED,
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SIGNAL_UNPREPARED,
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SIGNAL_TARGET_STATE,
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SIGNAL_NEW_STATE,
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SIGNAL_LAST
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};
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@ -293,6 +294,11 @@ gst_rtsp_media_class_init (GstRTSPMediaClass * klass)
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G_STRUCT_OFFSET (GstRTSPMediaClass, unprepared), NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0, G_TYPE_NONE);
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gst_rtsp_media_signals[SIGNAL_TARGET_STATE] =
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g_signal_new ("target-state", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRTSPMediaClass, new_state), NULL,
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NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
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gst_rtsp_media_signals[SIGNAL_NEW_STATE] =
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g_signal_new ("new-state", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstRTSPMediaClass, new_state), NULL, NULL,
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@ -1939,8 +1945,10 @@ start_preroll (GstRTSPMedia * media)
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GST_INFO ("setting pipeline to PAUSED for media %p", media);
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/* first go to PAUSED */
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ret = gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
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priv->target_state = GST_STATE_PAUSED;
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g_signal_emit (media, gst_rtsp_media_signals[SIGNAL_TARGET_STATE], 0,
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priv->target_state, NULL);
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ret = gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
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switch (ret) {
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case GST_STATE_CHANGE_SUCCESS:
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@ -2320,6 +2328,8 @@ gst_rtsp_media_unprepare (GstRTSPMedia * media)
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GST_INFO ("unprepare media %p", media);
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priv->target_state = GST_STATE_NULL;
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g_signal_emit (media, gst_rtsp_media_signals[SIGNAL_TARGET_STATE], 0,
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priv->target_state, NULL);
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success = TRUE;
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if (priv->status == GST_RTSP_MEDIA_STATUS_PREPARED) {
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@ -2559,6 +2569,8 @@ gst_rtsp_media_suspend (GstRTSPMedia * media)
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case GST_RTSP_SUSPEND_MODE_PAUSE:
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GST_DEBUG ("media %p suspend to PAUSED", media);
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priv->target_state = GST_STATE_PAUSED;
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g_signal_emit (media, gst_rtsp_media_signals[SIGNAL_TARGET_STATE], 0,
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priv->target_state, NULL);
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ret = gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
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if (ret == GST_STATE_CHANGE_FAILURE)
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goto state_failed;
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@ -2566,6 +2578,8 @@ gst_rtsp_media_suspend (GstRTSPMedia * media)
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case GST_RTSP_SUSPEND_MODE_RESET:
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GST_DEBUG ("media %p suspend to NULL", media);
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priv->target_state = GST_STATE_NULL;
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g_signal_emit (media, gst_rtsp_media_signals[SIGNAL_TARGET_STATE], 0,
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priv->target_state, NULL);
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ret = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
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if (ret == GST_STATE_CHANGE_FAILURE)
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goto state_failed;
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@ -2670,6 +2684,8 @@ media_set_pipeline_state_locked (GstRTSPMedia * media, GstState state)
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} else {
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GST_INFO ("state %s media %p", gst_element_state_get_name (state), media);
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priv->target_state = state;
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g_signal_emit (media, gst_rtsp_media_signals[SIGNAL_TARGET_STATE], 0,
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priv->target_state, NULL);
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/* when we are buffering, don't update the state yet, this will be done
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* when buffering finishes */
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if (priv->buffering) {
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@ -134,6 +134,7 @@ struct _GstRTSPMediaClass {
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void (*prepared) (GstRTSPMedia *media);
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void (*unprepared) (GstRTSPMedia *media);
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void (*target_state) (GstRTSPMedia *media, GstState state);
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void (*new_state) (GstRTSPMedia *media, GstState state);
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/*< private >*/
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