gmyth: gmyth-stream/gmemcoder/src/gmencoder.c@4c7f6a9bfded

     1 #ifdef HAVE_CONFIG_H

     2 #include "config.h"

     3 #endif

     5 #include <sys/stat.h>

     6 #include <fcntl.h>

     7 #include <unistd.h>

     8 #include <glib.h>

     9 #include <gst/gst.h>

    10 #include <string.h>

    12 #include "gmencoder.h"

    14 #define G_MENCODER_GET_PRIVATE(obj) \

    15     (G_TYPE_INSTANCE_GET_PRIVATE ((obj), G_TYPE_MENCODER, GMencoderPrivate))

    17 //#define SUPPORT_MULT_INPUT  0

    19 typedef struct _GMencoderPrivate GMencoderPrivate;

    20 typedef struct _SetupInfo SetupInfo;

    22 struct _SetupInfo

    23 {

    24     gchar* video_encode;

    25     gchar* mux_name;

    26     gchar** video_encode_prop;

    27     gdouble video_fps;

    28     gdouble video_rate;

    29     guint video_width;

    30     guint video_height;

    31     gchar* audio_encode;

    32     gchar** audio_encode_prop;

    33     guint audio_rate;

    34 };

    37 struct _GMencoderPrivate

    38 {

    39 	GstElement *pipe;

    40 	GstElement *abin;

    41 	GstElement *vbin;

    42 	GstElement *sink;

    43 	GstElement *src;

    44 	gboolean ready;

    45     SetupInfo *info;

    46     GstClockTime videot;

    47     GstClockTime audiot;

    48     gint fd;

    49 	gint sources;

    50 	gint tick_id;

    51 	gint64 duration;

    52 };

    54 enum {

    55   PAUSED,

    56   PLAYING,

    57   STOPED,

    58   EOS,

    59   ERROR,

    60   LAST_SIGNAL

    61 };

    63 static void g_mencoder_class_init       (GMencoderClass *klass);

    64 static void g_mencoder_init             (GMencoder *object);

    65 static void g_mencoder_dispose  	    (GObject *object);

    66 static void g_mencoder_finalize 	    (GObject *object);

    67 static GstElement*

    68             _create_audio_bin           (const gchar* encode,

    69                                          gchar** encode_prop,

    70                                          gint rate);

    71 static GstElement*

    72             _create_video_bin           (const gchar* encode,

    73                                         gchar** encode_prop,

    74                                         gdouble fps,

    75                                         gint rate,

    76                                         guint width,

    77                                         guint height);

    79 static gboolean

    80             _pipeline_bus_cb            (GstBus     *bus,

    81 		                                 GstMessage *msg,

    82 		                                 gpointer    user_data);

    83 static void _decodebin_new_pad_cb 		(GstElement* object,

    84 				                         GstPad* pad,

    85 				                         gboolean flag,

    86 				                         gpointer user_data);

    87 static void  _decodebin_unknown_type_cb (GstElement* object,

    88 		                         	     GstPad* pad,

    89                                          GstCaps* caps,

    90                                          gpointer user_data);

    91 static void _close_output              (GMencoder *self);

    92 static void _open_output               (GMencoder *self,

    93                                          const gchar* uri);

    94 static GstElement* _create_source       (const gchar* uri);

    95 static GstElement*_create_pipeline      (GMencoder *self,

    96                                           const gchar* video_encode,

    97                                           const gchar* mux_name,

    98                                           gchar** video_encode_prop,

    99                                           gdouble video_fps,

   100                                           gdouble video_rate,

   101                                           guint video_width,

   102                                           guint video_height,

   103                                           const gchar* audio_encode,

   104                                           gchar** audio_encode_prop,

   105                                           guint audio_rate);

   106 static gboolean _tick_cb 				 (gpointer data);

   113 static guint g_mencoder_signals[LAST_SIGNAL] = { 0 };

   115 G_DEFINE_TYPE(GMencoder, g_mencoder, G_TYPE_OBJECT)

   117 static void

   118 g_mencoder_class_init (GMencoderClass *klass)

   119 {

   120 	GObjectClass *object_class;

   122 	object_class = (GObjectClass *) klass;

   124 	g_type_class_add_private (klass, sizeof (GMencoderPrivate));

   126 	object_class->dispose  = g_mencoder_dispose;

   127 	object_class->finalize = g_mencoder_finalize;

   129     g_mencoder_signals[PAUSED] =

   130         g_signal_new ("paused",

   131     		  G_OBJECT_CLASS_TYPE (object_class),

   132     		  G_SIGNAL_RUN_FIRST,

   133     		  0, NULL, NULL,

   134     		  g_cclosure_marshal_VOID__VOID,

   135     		  G_TYPE_NONE, 0);

   137     g_mencoder_signals[PLAYING] =

   138         g_signal_new ("playing",

   139     		  G_OBJECT_CLASS_TYPE (object_class),

   140     		  G_SIGNAL_RUN_FIRST,

   141     		  0, NULL, NULL,

   142               g_cclosure_marshal_VOID__VOID,

   143     		  G_TYPE_NONE, 0);

   145     g_mencoder_signals[STOPED] =

   146         g_signal_new ("stoped",

   147     		  G_OBJECT_CLASS_TYPE (object_class),

   148     		  G_SIGNAL_RUN_FIRST,

   149     		  0, NULL, NULL,

   150     		  g_cclosure_marshal_VOID__VOID,

   151     		  G_TYPE_NONE, 0);

   153     g_mencoder_signals[EOS] =

   154         g_signal_new ("eos",

   155     		  G_OBJECT_CLASS_TYPE (object_class),

   156     		  G_SIGNAL_RUN_FIRST,

   157     		  0, NULL, NULL,

   158     		  g_cclosure_marshal_VOID__VOID,

   159     		  G_TYPE_NONE, 0);

   162     g_mencoder_signals[ERROR] =

   163         g_signal_new ("error",

   164     		  G_OBJECT_CLASS_TYPE (object_class),

   165     		  G_SIGNAL_RUN_FIRST,

   166     		  0, NULL, NULL,

   167     		  g_cclosure_marshal_VOID__STRING,

   168     		  G_TYPE_NONE, 1, G_TYPE_STRING);

   169 }

   171 static void

   172 g_mencoder_init (GMencoder *self)

   173 {

   174 	GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   175     priv->info = g_new0 (SetupInfo, 1);

   176 }

   178 static void

   179 g_mencoder_dispose (GObject *object)

   180 {

   181 }

   183 static void

   184 g_mencoder_finalize (GObject *object)

   185 {

   186     //TODO: clear vars

   187 	g_mencoder_close_stream (G_MENCODER (object));

   188 }

   190 GMencoder*

   191 g_mencoder_new (void)

   192 {

   193     return g_object_new (G_TYPE_MENCODER, NULL);

   194 }

   197 static void

   198 _obj_set_prop (GObject *obj,

   199                 const gchar *prop_name,

   200                 const gchar *prop_val)

   201 {

   202     GValue p = {0};

   203     GValue v = {0};

   204     GParamSpec *s = NULL;

   205     GObjectClass *k = G_OBJECT_GET_CLASS (obj);

   208     g_value_init (&v, G_TYPE_STRING);

   209     g_value_set_string (&v, prop_val);

   211     s = g_object_class_find_property (k, prop_name);

   212     if (s == NULL) {

   213         g_print ("Invalid property name: %s\n", prop_name);

   214         return;

   215     }

   217     g_value_init (&p, s->value_type);

   218     switch (s->value_type)

   219     {

   220         case G_TYPE_INT:

   221             g_value_set_int (&p, atoi (prop_val));

   222             break;

   223         case G_TYPE_STRING:

   224             g_value_set_string (&p, prop_val);

   225             break;

   226         default:

   227             return;

   228     }

   230     g_object_set_property (obj, prop_name, &p);

   231     g_value_unset (&v);

   232     g_value_unset (&p);

   233 }

   235 static GstElement*

   236 _create_element_with_prop (const gchar* factory_name,

   237                             const gchar* element_name,

   238                             gchar** prop)

   239 {

   240     GstElement *ret;

   241     int i;

   243     ret = gst_element_factory_make (factory_name, element_name);

   244     if (ret == NULL)

   245         return NULL;

   247     if (prop != NULL) {

   248         for (i=0; i < g_strv_length (prop); i++) {

   249             char** v = g_strsplit(prop[i], "=", 2);

   250             if (g_strv_length (v) == 2) {

   251                 _obj_set_prop (G_OBJECT (ret), v[0], v[1]);

   252             }

   253             g_strfreev (v);

   254         }

   255     }

   257     return ret;

   259 }

   261 static GstElement*

   262 _create_audio_bin (const gchar* encode,

   263                    gchar** encode_prop,

   264                    gint rate)

   265 {

   266     GstElement *abin = NULL;

   267     GstElement *aqueue = NULL;

   268     GstElement *aconvert = NULL;

   269     GstElement *aencode = NULL;

   270     GstElement *aqueue_src = NULL;

   271     GstPad *apad = NULL;

   273     //audio/x-raw-int ! queue ! audioconvert ! faac ! rtpmp4gpay !  udpsink name=upd_audio host=224.0.0.1 port=5002

   274 	abin 	= gst_bin_new ("abin");

   275 	aqueue	= gst_element_factory_make ("queue", "aqueue");

   276 	aconvert= gst_element_factory_make ("audioconvert", "aconvert");

   277 	aencode = _create_element_with_prop ((encode ? encode : "lame"), "aencode", encode_prop);

   278 	aqueue_src= gst_element_factory_make ("queue", "aqueue_src");

   280 	if ((abin == NULL) || (aqueue == NULL) || (aconvert == NULL)

   281 		|| (aencode == NULL) || (aqueue_src == NULL)) {

   282 		g_warning ("Audio elements not found");

   283 		goto error;

   284 	}

   286     g_object_set (G_OBJECT (aencode), "bitrate", 32, NULL);

   287     /*

   288     if (rate > 0) {

   289         g_object_set (G_OBJECT (aencode), "bitrate", 32, NULL);

   290     }

   291     */

   293 	gst_bin_add_many (GST_BIN (abin), aqueue, aconvert, aencode, aqueue_src, NULL);

   294 	if (gst_element_link_many (aqueue, aconvert, aencode, aqueue_src, NULL) == FALSE) {

   295         g_warning ("Not Link audio elements");

   296     }

   298     //TODO: apply audio rate

   300 	// ghost pad the audio bin

   301    	apad = gst_element_get_pad (aqueue, "sink");

   302    	gst_element_add_pad (abin, gst_ghost_pad_new("sink", apad));

   303 	gst_object_unref (apad);

   305    	apad = gst_element_get_pad (aqueue_src, "src");

   306    	gst_element_add_pad (abin, gst_ghost_pad_new("src", apad));

   307     gst_object_unref (apad);

   309     return abin;

   310 error:

   311    	if (abin != NULL)

   312 		gst_object_unref (abin);

   314 	if (aqueue != NULL)

   315 		gst_object_unref (aqueue);

   317 	if (aconvert != NULL)

   318 		gst_object_unref (aconvert);

   320 	if (aencode != NULL)

   321 		gst_object_unref (aencode);

   323 	if (aqueue_src != NULL)

   324 		gst_object_unref (aqueue_src);

   326     if (apad != NULL)

   327         gst_object_unref (apad);

   329     return NULL;

   330 }

   335 //queue ! videoscale ! video/x-raw-yuv,width=240,height=144 ! colorspace ! rate ! encode ! queue

   336 static GstElement*

   337 _create_video_bin (const gchar* encode,

   338                     gchar** encode_prop,

   339                     gdouble fps,

   340                     gint rate,

   341                     guint width,

   342                     guint height)

   343 {

   344     GstElement *vbin = NULL;

   345     GstElement *vqueue = NULL;

   346     GstElement* vqueue_src = NULL;

   347     GstElement *vcolorspace = NULL;

   348     GstElement *vencode = NULL;

   349     GstElement *vrate = NULL;

   350     GstPad *vpad = NULL;

   352 	vbin    = gst_bin_new ("vbin");

   353 	vqueue	= gst_element_factory_make ("queue", "vqueue");

   354 	vcolorspace = gst_element_factory_make ("ffmpegcolorspace", "colorspace");

   356 	vencode = _create_element_with_prop (

   357             (encode != NULL ? encode : "ffenc_mpeg1video"),

   358             "vencode", encode_prop);

   359 	vqueue_src = gst_element_factory_make ("queue", "queue_src");

   361 	if ((vbin == NULL) || (vqueue == NULL) || (vcolorspace == NULL)

   362 		|| (vencode == NULL) || (vqueue_src == NULL)) {

   363 		g_warning ("Video elements not found");

   364 		goto error;

   365 	}

   367 	gst_bin_add_many (GST_BIN (vbin), vqueue, vcolorspace, vencode, vqueue_src, NULL);

   370     if ((width > 0) && (height > 0)) {

   371         //Scalling video

   372         GstCaps *vcaps;

   373 	    GstElement *vscale  = gst_element_factory_make ("videoscale", "vscale");

   375         gst_bin_add (GST_BIN (vbin), vscale);

   377         vcaps = gst_caps_new_simple ("video/x-raw-yuv",

   378                            "width", G_TYPE_INT, width,

   379                            "height", G_TYPE_INT, height,

   380                            NULL);

   382         gst_element_link (vqueue, vscale);

   384         if (gst_element_link_filtered (vscale, vcolorspace, vcaps) == FALSE) {

   385             g_warning ("Fail to resize video");

   386             gst_object_unref (vcaps);

   387             gst_object_unref (vscale);

   388             goto error;

   389         }

   390         gst_caps_unref (vcaps);

   391     } else {

   392         gst_element_link (vqueue, vcolorspace);

   393     }

   396     if (fps > 0) {

   397         //Changing the video fps

   398         GstCaps *vcaps;

   399         vrate   = gst_element_factory_make ("videorate", "vrate");

   401         g_debug ("Setting FPS: %.2f", fps);

   402         gst_bin_add (GST_BIN (vbin), vrate);

   404     	if (gst_element_link (vcolorspace, vrate) == FALSE) {

   405 	        g_warning ("Fail to link video elements");

   406 	        goto error;

   407     	}

   409     	vcaps = gst_caps_new_simple ("video/x-raw-yuv",

   410 					   "framerate", GST_TYPE_FRACTION,  (int) (fps * 1000), 1000, NULL);

   412         if (gst_element_link_filtered (vrate, vencode, vcaps) == FALSE) {

   413            g_warning ("Fail to link vrate with vencode.");

   414            goto error;

   415         }

   416         gst_caps_unref (vcaps);

   417     } else {

   418         if (gst_element_link (vcolorspace, vencode) == FALSE) {

   419             g_warning ("Fail to link colorspace and video encode element.");

   420             goto error;

   421         }

   422     }

   424     gst_element_link (vencode, vqueue_src);

   426 	// ghost pad the video  bin

   427    	vpad = gst_element_get_pad (vqueue, "sink");

   428    	gst_element_add_pad (vbin, gst_ghost_pad_new ("sink", vpad));

   429 	gst_object_unref (vpad);

   431    	vpad = gst_element_get_pad (vqueue_src, "src");

   432    	gst_element_add_pad (vbin, gst_ghost_pad_new ("src", vpad));

   433 	gst_object_unref (vpad);

   435     return vbin;

   437 error:

   438     if (vpad != NULL)

   439         gst_object_unref (vpad);

   441 	if (vbin != NULL)

   442 		gst_object_unref (vbin);

   444 	if (vqueue != NULL)

   445 		gst_object_unref (vqueue);

   447 	if (vencode != NULL)

   448 		gst_object_unref (vencode);

   450 	if (vqueue_src != NULL)

   451 		gst_object_unref (vqueue_src);

   453     if (vcolorspace != NULL)

   454         gst_object_unref (vcolorspace);

   456     return NULL;

   457 }

   461 void

   462 g_mencoder_setup_stream (GMencoder *self,

   463                          const gchar* mux_name,

   464                          const gchar* video_encode,

   465                          gchar** video_encode_prop,

   466                          gdouble video_fps,

   467                          gdouble video_rate,

   468                          guint video_width,

   469                          guint video_height,

   470                          const gchar* audio_encode,

   471                          gchar** audio_encode_prop,

   472                          guint audio_rate,

   473                          const gchar* out_uri)

   474 {

   475     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   476     if (priv->ready == TRUE) {

   477         g_warning ("Stream already configured. You need close stream first.");

   478         return;

   479     }

   481     _close_output (self);

   482     _open_output (self, out_uri);

   484 	priv->sources = 0;

   485     priv->pipe = _create_pipeline (self,

   486             video_encode,

   487             mux_name,

   488             video_encode_prop,

   489             video_fps,

   490             video_rate,

   491             video_width,

   492             video_height,

   493             audio_encode,

   494             audio_encode_prop,

   495             audio_rate);

   497 }

   500 gboolean

   501 g_mencoder_append_uri (GMencoder *self,

   502                      const gchar* uri)

   503 {

   504     GstPad *pad_src;

   505     GstPad *pad_sink;

   506     GstElement *src;

   507     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   508     gboolean ret = FALSE;

   509     GstElement *ap = NULL;

   510     GstElement *vp = NULL;

   513     g_return_val_if_fail (priv->pipe != NULL, FALSE);

   514     g_return_val_if_fail (priv->ready == FALSE, FALSE);

   516 #ifndef SUPPORT_MULT_INPUT

   517 	g_return_val_if_fail (priv->sources < 1, FALSE);

   518 #endif

   520     src = _create_source (uri);

   521     if (src == NULL)

   522         return FALSE;

   524 	priv->src = gst_bin_get_by_name (GST_BIN (src), "src");

   526     gst_bin_add (GST_BIN (priv->pipe), src);

   528 #ifdef SUPPORT_MULT_INPUT

   529     ap = gst_bin_get_by_name (GST_BIN (priv->pipe), "ap");

   530     vp = gst_bin_get_by_name (GST_BIN (priv->pipe), "vp");

   531 #else

   532     ap = gst_bin_get_by_name (GST_BIN (priv->pipe), "abin");

   533     vp = gst_bin_get_by_name (GST_BIN (priv->pipe), "vbin");

   534 #endif

   536     if ((vp == NULL)  || (ap == NULL)) {

   537 		g_warning  ("Fail to get output bin");

   538         goto error;

   539 	}

   541     pad_src = gst_element_get_pad (src, "src_audio");

   542     pad_sink = gst_element_get_compatible_pad (ap,

   543             pad_src,

   544             gst_pad_get_caps (pad_src));

   546     if ((pad_sink == NULL) || (pad_src == NULL))

   547         goto error;

   549     GstPadLinkReturn lret = gst_pad_link (pad_src, pad_sink);

   550     if (lret != GST_PAD_LINK_OK)

   551         goto error;

   553     gst_object_unref (pad_src);

   554     gst_object_unref (pad_sink);

   556     pad_src = gst_element_get_pad (src, "src_video");

   557     pad_sink = gst_element_get_compatible_pad (vp,

   558             pad_src,

   559             gst_pad_get_caps (pad_src));

   561     if ((pad_src == NULL) || (pad_sink == NULL))

   562         goto error;

   564     if (gst_pad_link (pad_src, pad_sink) != GST_PAD_LINK_OK) {

   565         g_warning ("invalid source. video");

   566         goto error;

   567     }

   569 	priv->sources++;

   570     ret = TRUE;

   571 	g_debug ("Uri: [%s] OK ", uri);

   572 error:

   574     if ((src != NULL) && (ret == FALSE)) {

   575         gst_bin_remove (GST_BIN (priv->pipe), src);

   576         gst_object_unref (src);

   577     }

   579     if (ap != NULL)

   580         gst_object_unref (ap);

   582     if (vp != NULL)

   583         gst_object_unref (vp);

   585     if (pad_src != NULL)

   586         gst_object_unref (pad_src);

   588     if (pad_sink != NULL)

   589         gst_object_unref (pad_sink);

   591     return ret;

   592 }

   596 void

   597 g_mencoder_remove_uri (GMencoder *self,

   598                         const gchar* uri)

   599 {

   600     // GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   601     //TODO: remove src

   602 }

   604 void

   605 g_mencoder_play_stream (GMencoder *self)

   606 {

   607     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   609     g_return_if_fail (priv->ready == FALSE);

   610     priv->ready = TRUE;

   611     gst_element_set_state (priv->pipe, GST_STATE_PLAYING);

   613 	priv->tick_id = g_timeout_add (500, _tick_cb, self);

   614 }

   616 void

   617 g_mencoder_pause_stream (GMencoder *self)

   618 {

   619     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   621     g_return_if_fail (priv->ready == TRUE);

   622     gst_element_set_state (priv->pipe, GST_STATE_PAUSED);

   623 }

   625 void

   626 g_mencoder_close_stream (GMencoder *self)

   627 {

   629     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   631 	g_debug ("g_mencoder_close_stream");

   632 	if (priv->tick_id != 0) {

   633 		g_source_remove (priv->tick_id);

   634 		priv->tick_id = 0;

   635 	}

   637     if (priv->pipe != NULL) {

   638         gst_element_set_state (priv->pipe, GST_STATE_NULL);

   639         gst_object_unref (priv->pipe);

   640         priv->pipe = NULL;

   641         priv->abin = NULL;

   642         priv->vbin = NULL;

   643         priv->sink = NULL;

   644     }

   645     priv->ready = FALSE;

   648 }

   650 static GstElement*

   651 _create_pipeline (GMencoder *self,

   652                   const gchar* video_encode,

   653                   const gchar* mux_name,

   654                   gchar** video_encode_prop,

   655                   gdouble video_fps,

   656                   gdouble video_rate,

   657                   guint video_width,

   658                   guint video_height,

   659                   const gchar* audio_encode,

   660                   gchar** audio_encode_prop,

   661                   guint audio_rate)

   662 {

   663 	GstBus *bus = NULL;

   664 	GstElement *pipe = NULL;

   665 	GstElement *sink = NULL;

   666     GstElement *mux = NULL;

   667     GstElement *abin = NULL;

   668     GstElement *vbin = NULL;

   669     GstPad *aux_pad = NULL;

   670     GstPad *mux_pad = NULL;

   671 #ifdef SUPPORT_MULT_INPUT

   672     GstElement *ap = NULL;

   673     GstElement *vp = NULL;

   674 #endif

   675     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   677 	pipe = gst_pipeline_new ("pipe");

   679 #ifdef SUPPORT_MULT_INPUT

   680 	ap = gst_element_factory_make ("concatmux", "ap");

   681     vp = gst_element_factory_make ("concatmux", "vp");

   682 	gst_bin_add_many (GST_BIN (pipe), ap, vp, NULL);

   683 #endif

   685     mux = gst_element_factory_make ((mux_name ? mux_name : "ffmux_mpeg"), "mux");

   686     if (mux == NULL)

   687         goto error;

   690     sink = gst_element_factory_make ("fdsink", "sink");

   691     if (sink == NULL)

   692         goto error;

   694     g_object_set (G_OBJECT(sink),

   695 			"fd", priv->fd,

   696             NULL);

   698     abin = _create_audio_bin (audio_encode, audio_encode_prop, audio_rate);

   699     if (abin == NULL)

   700         goto error;

   702     vbin = _create_video_bin (video_encode, video_encode_prop, video_fps, video_rate, video_width, video_height);

   703     if (vbin == NULL)

   704         goto error;

   706 	// Finish Pipe

   707     gst_bin_add_many (GST_BIN (pipe), abin, vbin, mux, sink, NULL);

   710 #ifdef SUPPORT_MULT_INPUT

   711 	if (gst_element_link (ap, abin) == FALSE) {

   712 		g_warning ("Fail to link concat and abin");

   713 		goto error;

   714 	}

   716 	if (gst_element_link (vp, vbin) == FALSE) {

   717 		g_warning ("Fail to link concat and vbin");

   718 	}

   719 #endif

   721     //Link bins with mux

   722     aux_pad = gst_element_get_pad (abin, "src");

   723     mux_pad = gst_element_get_compatible_pad (mux, aux_pad, GST_PAD_CAPS (aux_pad));

   724     if (mux_pad == NULL) {

   725         g_warning ("Mux element no have audio PAD");

   726         goto error;

   727     }

   728     GstPadLinkReturn ret = gst_pad_link (aux_pad, mux_pad);

   729     if (ret != GST_PAD_LINK_OK) {

   730         g_warning ("Fail link audio and mux: %d", ret);

   731         goto error;

   733     }

   734 	gst_object_unref (aux_pad);

   735     gst_object_unref (mux_pad);

   737     aux_pad = gst_element_get_pad (vbin, "src");

   738     mux_pad = gst_element_get_compatible_pad (mux, aux_pad, GST_PAD_CAPS (aux_pad));

   739     if (mux_pad == NULL) {

   740         g_warning ("Mux element no have video PAD");

   741         goto error;

   742     }

   743     ret = gst_pad_link (aux_pad, mux_pad);

   744     if (ret != GST_PAD_LINK_OK) {

   745         g_warning ("Fail link video and mux: %d", ret);

   746         goto error;

   747     }

   748     gst_object_unref (aux_pad);

   749     gst_object_unref (mux_pad);

   750     aux_pad = NULL;

   751     mux_pad = NULL;

   753     //Link mux with sink

   754     gst_element_link (mux, sink);

   756 	bus = gst_pipeline_get_bus (GST_PIPELINE (pipe));

   757 	gst_bus_add_watch (bus, _pipeline_bus_cb, self);

   758 	gst_object_unref (bus);

   759     return pipe;

   761 error:

   762 	g_warning ("Invalid uri");

   764 	if (pipe != NULL) {

   765 		gst_object_unref (pipe);

   766     }

   769     if (mux != NULL) {

   770         gst_object_unref (mux);

   771     }

   773     if (mux_pad != NULL) {

   774         gst_object_unref (mux_pad);

   775     }

   777     if (aux_pad != NULL) {

   778         gst_object_unref (mux_pad);

   779     }

   781 	if (sink != NULL) {

   782 		gst_object_unref (sink);

   783     }

   785     if (abin != NULL) {

   786         gst_object_unref (abin);

   787     }

   789     if (vbin != NULL) {

   790         gst_object_unref (vbin);

   791     }

   793 	return FALSE;

   794 }

   797 static void

   798 _close_output (GMencoder *self)

   799 {

   801 }

   803 static GstElement*

   804 _create_source (const gchar* uri)

   805 {

   807     GstElement *bsrc = NULL;

   808     GstElement *src = NULL;

   809     GstElement *aqueue = NULL;

   810     GstElement *vqueue = NULL;

   811     GstElement *decode = NULL;

   812     GstPad *src_pad = NULL;

   815     bsrc = gst_bin_new (NULL);

   817 	//src = gst_element_factory_make ("gnomevfssrc", "src");

   818     //g_object_set (G_OBJECT (src), "location", uri, NULL);

   819 	src = gst_element_make_from_uri (GST_URI_SRC, uri, "src");

   820 	if (src == NULL)

   821 		goto error;

   823 	decode = gst_element_factory_make ("decodebin2", "decode");

   824 	if (decode == NULL)

   825 		goto error;

   827     aqueue = gst_element_factory_make ("queue", "aqueue");

   828     if (aqueue == NULL)

   829         goto error;

   831     vqueue = gst_element_factory_make ("queue", "vqueue");

   832     if (vqueue == NULL)

   833         goto error;

   835     gst_bin_add_many (GST_BIN (bsrc), src, decode, aqueue, vqueue, NULL);

   836     gst_element_link (src, decode);

   838 	g_signal_connect (G_OBJECT (decode),

   839 				"new-decoded-pad",

   840 				G_CALLBACK (_decodebin_new_pad_cb),

   841 				bsrc);

   843 	g_signal_connect (G_OBJECT (decode),

   844 				"unknown-type",

   845 				G_CALLBACK (_decodebin_unknown_type_cb),

   846 				pipe);

   848     src_pad = gst_element_get_pad (aqueue, "src");

   849    	gst_element_add_pad (bsrc, gst_ghost_pad_new("src_audio", src_pad));

   850     gst_object_unref (src_pad);

   852     src_pad = gst_element_get_pad (vqueue, "src");

   853    	gst_element_add_pad (bsrc, gst_ghost_pad_new("src_video", src_pad));

   854     gst_object_unref (src_pad);

   856     return bsrc;

   858 error:

   859 	if (src != NULL) {

   860 		gst_object_unref (src);

   861     }

   863 	if (decode != NULL) {

   864 		gst_object_unref (decode);

   865     }

   867 	if (aqueue != NULL) {

   868 		gst_object_unref (aqueue);

   869     }

   871 	if (vqueue != NULL) {

   872 		gst_object_unref (vqueue);

   873     }

   875     return NULL;

   876 }

   878 static void

   879 _open_output (GMencoder *self,

   880               const gchar* uri)

   881 {

   882     gchar** i;

   883     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   885     i = g_strsplit (uri, "://", 0);

   886     if (strcmp (i[0], "fd") == 0) {

   887         priv->fd = atoi (i[1]);

   888     } else if (strcmp (i[0], "file") == 0) {

   889         priv->fd = open (i[1], O_WRONLY | O_CREAT | O_TRUNC);

   890     } else {

   891         g_warning ("Output uri not supported");

   892     }

   894     g_strfreev (i);

   895 }

   897 static gboolean

   898 _pipeline_bus_cb (GstBus     *bus,

   899 		  GstMessage *msg,

   900 		  gpointer    user_data)

   901 {

   902 	GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (user_data);

   904 	switch (GST_MESSAGE_TYPE (msg))

   905 	{

   906 		case GST_MESSAGE_STATE_CHANGED:

   907 		{

   908 			GstState oldstate;

   909 			GstState newstate;

   910 			GstState pendingstate;

   913 			gst_message_parse_state_changed (msg, &oldstate,

   914 				&newstate, &pendingstate);

   916             if (pendingstate != GST_STATE_VOID_PENDING)

   917                 break;

   919             if ((oldstate == GST_STATE_READY) &&

   920                 (newstate == GST_STATE_PAUSED)) {

   921                     if (priv->ready)

   922                         g_signal_emit (user_data, g_mencoder_signals[PAUSED], 0);

   923             } else if ((oldstate == GST_STATE_PAUSED) &&

   924                        (newstate == GST_STATE_PLAYING)) {

   925                         g_signal_emit (user_data, g_mencoder_signals[PLAYING], 0);

   926             } else if ((oldstate == GST_STATE_READY) &&

   927                        (newstate == GST_STATE_NULL)) {

   928                         g_signal_emit (user_data, g_mencoder_signals[STOPED], 0);

   929             }

   930             break;

   931 		}

   932 		case GST_MESSAGE_ERROR:

   933 		{

   934 		    GError *error;

   935 		    gchar *debug;

   936 		    gchar *err_str;

   938 		    gst_message_parse_error (msg, &error, &debug);

   939 		    err_str = g_strdup_printf ("Error [%d] %s (%s)", error->code,

   940 		        error->message,

   941 		        debug);

   942 		    g_signal_emit (user_data, g_mencoder_signals[ERROR], 0, err_str);

   943             priv->ready = FALSE;

   944 		    g_free (err_str);

   945 		    g_clear_error (&error);

   946 		    g_free (debug);

   947 		    break;

   948 		}

   950 		case GST_MESSAGE_EOS:

   951             priv->ready = FALSE;

   952 		    g_signal_emit (user_data, g_mencoder_signals[EOS], 0);

   953 		    break;

   954 		case GST_MESSAGE_DURATION:

   955 		{

   956 			GstFormat format;

   957 			gint64 duration;

   958 			gst_message_parse_duration (msg, &format, &duration);

   959 			if (format == GST_FORMAT_BYTES)

   960 				priv->duration = duration;

   961 			break;

   962 		}

   963 		default:

   964 		{

   965 			break;

   966 		}

   967 	}

   968 	return TRUE;

   969 }

   973 static void

   974 _decodebin_new_pad_cb (GstElement* object,

   975                        GstPad* pad,

   976                        gboolean flag,

   977                        gpointer user_data)

   978 {

   979 	GstCaps *caps;

   980 	gchar *str_caps = NULL;

   981     GstElement *sink_element;

   982     GstPad *sink_pad;

   984 	caps = gst_pad_get_caps (pad);

   985 	str_caps = gst_caps_to_string (caps);

   986 	g_debug ("New pad : %s", str_caps);

   987 	if (strstr (str_caps, "audio") != NULL) {

   988         sink_element = gst_bin_get_by_name (GST_BIN (user_data), "aqueue");

   989 	} else if (strstr (str_caps, "video") != NULL) {

   990         sink_element = gst_bin_get_by_name (GST_BIN (user_data), "vqueue");

   991 	} else {

   992 		g_warning ("invalid caps %s", str_caps);

   993 	}

   995     sink_pad = gst_element_get_pad (sink_element, "sink");

   996 	gst_pad_link (pad, sink_pad);

   998     gst_object_unref (sink_element);

   999 	gst_object_unref (sink_pad);

  1000 	g_free (str_caps);

  1001 	gst_caps_unref (caps);

  1002 }

  1004 static void

  1005 _decodebin_unknown_type_cb (GstElement* object,

  1006                             GstPad* pad,

  1007                             GstCaps* caps,

  1008                             gpointer user_data)

  1009 {

  1010     g_warning  ("Unknown Type");

  1011     //priv->ready = FALSE;

  1012 }

  1014 static gboolean

  1015 _tick_cb (gpointer user_data)

  1016 {

  1017 	GstFormat format = GST_FORMAT_BYTES;

  1018 	gint64 cur = 0;

  1020 	GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (user_data);

  1022 	if (priv->duration == 0) {

  1023 		gint64 d = 0;

  1024 		if (gst_element_query_duration (priv->src, &format, &d))

  1025 			priv->duration = d;

  1026 	}

  1028 	if (priv->duration != 0) {

  1029 		gst_element_query_position (priv->src, &format, &cur);

  1030 		g_print ("PROGRESS:%lli\n", (99 * cur) / priv->duration);

  1031 	}

  1033 	return TRUE;

  1034 }

author	rosfran
	Wed May 16 19:46:20 2007 +0100 (2007-05-16)
branch	trunk
changeset 675	4c7f6a9bfded
parent 654	76b9c97faada
child 678	89bdaa9e72bf
permissions	-rw-r--r--