gmyth: gmyth-stream/gmemcoder/src/gmencoder.c@6c22199ff33e

     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_LAST,

   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 			if (prop[i] != NULL) {

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

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

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

   253             	}

   254             	g_strfreev (v);

   255 			}

   256         }

   257     }

   259     return ret;

   261 }

   263 static GstElement*

   264 _create_audio_bin (const gchar* encode,

   265                    gchar** encode_prop,

   266                    gint rate)

   267 {

   268     GstElement *abin = NULL;

   269     GstElement *aqueue = NULL;

   270     GstElement *aconvert = NULL;

   271     GstElement *aencode = NULL;

   272     GstElement *aqueue_src = NULL;

   273     GstPad *apad = NULL;

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

   276 	abin 	= gst_bin_new ("abin");

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

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

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

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

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

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

   284 		g_warning ("Audio elements not found");

   285 		goto error;

   286 	}

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

   289     /*

   290     if (rate > 0) {

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

   292     }

   293     */

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

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

   297         g_warning ("Not Link audio elements");

   298     }

   300     //TODO: apply audio rate

   302 	// ghost pad the audio bin

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

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

   305 	gst_object_unref (apad);

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

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

   309     gst_object_unref (apad);

   311     return abin;

   312 error:

   313    	if (abin != NULL)

   314 		gst_object_unref (abin);

   316 	if (aqueue != NULL)

   317 		gst_object_unref (aqueue);

   319 	if (aconvert != NULL)

   320 		gst_object_unref (aconvert);

   322 	if (aencode != NULL)

   323 		gst_object_unref (aencode);

   325 	if (aqueue_src != NULL)

   326 		gst_object_unref (aqueue_src);

   328     if (apad != NULL)

   329         gst_object_unref (apad);

   331     return NULL;

   332 }

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

   338 static GstElement*

   339 _create_video_bin (const gchar* encode,

   340                     gchar** encode_prop,

   341                     gdouble fps,

   342                     gint rate,

   343                     guint width,

   344                     guint height)

   345 {

   346     GstElement *vbin = NULL;

   347     GstElement *vqueue = NULL;

   348     GstElement* vqueue_src = NULL;

   349     GstElement *vcolorspace = NULL;

   350     GstElement *vencode = NULL;

   351     GstElement *vrate = NULL;

   352     GstPad *vpad = NULL;

   354 	vbin    = gst_bin_new ("vbin");

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

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

   358 	vencode = _create_element_with_prop (

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

   360             "vencode", encode_prop);

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

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

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

   365 		g_warning ("Video elements not found");

   366 		goto error;

   367 	}

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

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

   373         //Scalling video

   374         GstCaps *vcaps;

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

   377         gst_bin_add (GST_BIN (vbin), vscale);

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

   380                            "width", G_TYPE_INT, width,

   381                            "height", G_TYPE_INT, height,

   382                            NULL);

   384         gst_element_link (vqueue, vscale);

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

   387             g_warning ("Fail to resize video");

   388             gst_object_unref (vcaps);

   389             gst_object_unref (vscale);

   390             goto error;

   391         }

   392         gst_caps_unref (vcaps);

   393     } else {

   394         gst_element_link (vqueue, vcolorspace);

   395     }

   398     if (fps > 0) {

   399         //Changing the video fps

   400         GstCaps *vcaps;

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

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

   404         gst_bin_add (GST_BIN (vbin), vrate);

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

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

   408 	        goto error;

   409     	}

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

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

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

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

   416            goto error;

   417         }

   418         gst_caps_unref (vcaps);

   419     } else {

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

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

   422             goto error;

   423         }

   424     }

   426     gst_element_link (vencode, vqueue_src);

   428 	// ghost pad the video  bin

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

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

   431 	gst_object_unref (vpad);

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

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

   435 	gst_object_unref (vpad);

   437     return vbin;

   439 error:

   440     if (vpad != NULL)

   441         gst_object_unref (vpad);

   443 	if (vbin != NULL)

   444 		gst_object_unref (vbin);

   446 	if (vqueue != NULL)

   447 		gst_object_unref (vqueue);

   449 	if (vencode != NULL)

   450 		gst_object_unref (vencode);

   452 	if (vqueue_src != NULL)

   453 		gst_object_unref (vqueue_src);

   455     if (vcolorspace != NULL)

   456         gst_object_unref (vcolorspace);

   458     return NULL;

   459 }

   463 void

   464 g_mencoder_setup_stream (GMencoder *self,

   465                          const gchar* mux_name,

   466                          const gchar* video_encode,

   467                          gchar** video_encode_prop,

   468                          gdouble video_fps,

   469                          gdouble video_rate,

   470                          guint video_width,

   471                          guint video_height,

   472                          const gchar* audio_encode,

   473                          gchar** audio_encode_prop,

   474                          guint audio_rate,

   475                          const gchar* out_uri)

   476 {

   477     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

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

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

   480         return;

   481     }

   483     _close_output (self);

   484     _open_output (self, out_uri);

   486 	priv->sources = 0;

   487     priv->pipe = _create_pipeline (self,

   488             video_encode,

   489             mux_name,

   490             video_encode_prop,

   491             video_fps,

   492             video_rate,

   493             video_width,

   494             video_height,

   495             audio_encode,

   496             audio_encode_prop,

   497             audio_rate);

   499 }

   502 gboolean

   503 g_mencoder_append_uri (GMencoder *self,

   504                      const gchar* uri)

   505 {

   506     GstPad *pad_src;

   507     GstPad *pad_sink;

   508     GstElement *src;

   509     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   510     gboolean ret = FALSE;

   511     GstElement *ap = NULL;

   512     GstElement *vp = NULL;

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

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

   518 #ifndef SUPPORT_MULT_INPUT

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

   520 #endif

   522     src = _create_source (uri);

   523     if (src == NULL)

   524         return FALSE;

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

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

   530 #ifdef SUPPORT_MULT_INPUT

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

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

   533 #else

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

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

   536 #endif

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

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

   540         goto error;

   541 	}

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

   544     pad_sink = gst_element_get_compatible_pad (ap,

   545             pad_src,

   546             gst_pad_get_caps (pad_src));

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

   549         goto error;

   551     GstPadLinkReturn lret = gst_pad_link (pad_src, pad_sink);

   552     if (lret != GST_PAD_LINK_OK)

   553         goto error;

   555     gst_object_unref (pad_src);

   556     gst_object_unref (pad_sink);

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

   559     pad_sink = gst_element_get_compatible_pad (vp,

   560             pad_src,

   561             gst_pad_get_caps (pad_src));

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

   564         goto error;

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

   567         g_warning ("invalid source. video");

   568         goto error;

   569     }

   571 	priv->sources++;

   572     ret = TRUE;

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

   574 error:

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

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

   578         gst_object_unref (src);

   579     }

   581     if (ap != NULL)

   582         gst_object_unref (ap);

   584     if (vp != NULL)

   585         gst_object_unref (vp);

   587     if (pad_src != NULL)

   588         gst_object_unref (pad_src);

   590     if (pad_sink != NULL)

   591         gst_object_unref (pad_sink);

   593     return ret;

   594 }

   598 void

   599 g_mencoder_remove_uri (GMencoder *self,

   600                         const gchar* uri)

   601 {

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

   603     //TODO: remove src

   604 }

   606 void

   607 g_mencoder_play_stream (GMencoder *self)

   608 {

   609     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

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

   612     priv->ready = TRUE;

   613     gst_element_set_state (priv->pipe, GST_STATE_PLAYING);

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

   616 }

   618 void

   619 g_mencoder_pause_stream (GMencoder *self)

   620 {

   621     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

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

   624     gst_element_set_state (priv->pipe, GST_STATE_PAUSED);

   625 }

   627 void

   628 g_mencoder_close_stream (GMencoder *self)

   629 {

   631     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   633 	g_debug ("g_mencoder_close_stream");

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

   635 		g_source_remove (priv->tick_id);

   636 		priv->tick_id = 0;

   637 	}

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

   640 		GstState state;

   641 		GstState pending;

   642         //gst_element_set_state (priv->pipe, GST_STATE_NULL);

   643         //gst_object_unref (priv->pipe);

   644         gst_object_unref (priv->src);

   645 		priv->src = NULL;

   646         priv->pipe = NULL;

   647         priv->abin = NULL;

   648         priv->vbin = NULL;

   649         priv->sink = NULL;

   650     }

   651     priv->ready = FALSE;

   652 }

   654 static GstElement*

   655 _create_pipeline (GMencoder *self,

   656                   const gchar* video_encode,

   657                   const gchar* mux_name,

   658                   gchar** video_encode_prop,

   659                   gdouble video_fps,

   660                   gdouble video_rate,

   661                   guint video_width,

   662                   guint video_height,

   663                   const gchar* audio_encode,

   664                   gchar** audio_encode_prop,

   665                   guint audio_rate)

   666 {

   667 	GstBus *bus = NULL;

   668 	GstElement *pipe = NULL;

   669 	GstElement *sink = NULL;

   670     GstElement *mux = NULL;

   671     GstElement *abin = NULL;

   672     GstElement *vbin = NULL;

   673     GstPad *aux_pad = NULL;

   674     GstPad *mux_pad = NULL;

   675 #ifdef SUPPORT_MULT_INPUT

   676     GstElement *ap = NULL;

   677     GstElement *vp = NULL;

   678 #endif

   679     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

   681 	pipe = gst_pipeline_new ("pipe");

   683 #ifdef SUPPORT_MULT_INPUT

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

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

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

   687 #endif

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

   690     if (mux == NULL)

   691         goto error;

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

   695     if (sink == NULL)

   696         goto error;

   698     g_object_set (G_OBJECT(sink),

   699 			"fd", priv->fd,

   700             NULL);

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

   703     if (abin == NULL)

   704         goto error;

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

   707     if (vbin == NULL)

   708         goto error;

   710 	// Finish Pipe

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

   714 #ifdef SUPPORT_MULT_INPUT

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

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

   717 		goto error;

   718 	}

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

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

   722 	}

   723 #endif

   725     //Link bins with mux

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

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

   728     if (mux_pad == NULL) {

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

   730         goto error;

   731     }

   732     GstPadLinkReturn ret = gst_pad_link (aux_pad, mux_pad);

   733     if (ret != GST_PAD_LINK_OK) {

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

   735         goto error;

   737     }

   738 	gst_object_unref (aux_pad);

   739     gst_object_unref (mux_pad);

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

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

   743     if (mux_pad == NULL) {

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

   745         goto error;

   746     }

   747     ret = gst_pad_link (aux_pad, mux_pad);

   748     if (ret != GST_PAD_LINK_OK) {

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

   750         goto error;

   751     }

   752     gst_object_unref (aux_pad);

   753     gst_object_unref (mux_pad);

   754     aux_pad = NULL;

   755     mux_pad = NULL;

   757     //Link mux with sink

   758     gst_element_link (mux, sink);

   760 	bus = gst_pipeline_get_bus (GST_PIPELINE (pipe));

   761 	gst_bus_add_watch (bus, _pipeline_bus_cb, self);

   762 	gst_object_unref (bus);

   763     return pipe;

   765 error:

   766 	g_warning ("Invalid uri");

   768 	if (pipe != NULL) {

   769 		gst_object_unref (pipe);

   770     }

   773     if (mux != NULL) {

   774         gst_object_unref (mux);

   775     }

   777     if (mux_pad != NULL) {

   778         gst_object_unref (mux_pad);

   779     }

   781     if (aux_pad != NULL) {

   782         gst_object_unref (mux_pad);

   783     }

   785 	if (sink != NULL) {

   786 		gst_object_unref (sink);

   787     }

   789     if (abin != NULL) {

   790         gst_object_unref (abin);

   791     }

   793     if (vbin != NULL) {

   794         gst_object_unref (vbin);

   795     }

   797 	return FALSE;

   798 }

   801 static void

   802 _close_output (GMencoder *self)

   803 {

   805 }

   807 static GstElement*

   808 _create_source (const gchar* uri)

   809 {

   811     GstElement *bsrc = NULL;

   812     GstElement *src = NULL;

   813     GstElement *aqueue = NULL;

   814     GstElement *vqueue = NULL;

   815     GstElement *decode = NULL;

   816     GstPad *src_pad = NULL;

   819     bsrc = gst_bin_new (NULL);

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

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

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

   824 	if (src == NULL)

   825 		goto error;

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

   828 	if (decode == NULL)

   829 		goto error;

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

   832     if (aqueue == NULL)

   833         goto error;

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

   836     if (vqueue == NULL)

   837         goto error;

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

   840     gst_element_link (src, decode);

   842 	g_signal_connect (G_OBJECT (decode),

   843 				"new-decoded-pad",

   844 				G_CALLBACK (_decodebin_new_pad_cb),

   845 				bsrc);

   847 	g_signal_connect (G_OBJECT (decode),

   848 				"unknown-type",

   849 				G_CALLBACK (_decodebin_unknown_type_cb),

   850 				pipe);

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

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

   854     gst_object_unref (src_pad);

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

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

   858     gst_object_unref (src_pad);

   860     return bsrc;

   862 error:

   863 	if (src != NULL) {

   864 		gst_object_unref (src);

   865     }

   867 	if (decode != NULL) {

   868 		gst_object_unref (decode);

   869     }

   871 	if (aqueue != NULL) {

   872 		gst_object_unref (aqueue);

   873     }

   875 	if (vqueue != NULL) {

   876 		gst_object_unref (vqueue);

   877     }

   879     return NULL;

   880 }

   882 static void

   883 _open_output (GMencoder *self,

   884               const gchar* uri)

   885 {

   886     gchar** i;

   887     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (self);

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

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

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

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

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

   894     } else {

   895         g_warning ("Output uri not supported");

   896     }

   898     g_strfreev (i);

   899 }

   901 static gboolean

   902 _pipeline_bus_cb (GstBus     *bus,

   903 		  GstMessage *msg,

   904 		  gpointer    user_data)

   905 {

   906 	GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (user_data);

   908 	switch (GST_MESSAGE_TYPE (msg))

   909 	{

   910 		case GST_MESSAGE_STATE_CHANGED:

   911 		{

   912 			GstState oldstate;

   913 			GstState newstate;

   914 			GstState pendingstate;

   917 			gst_message_parse_state_changed (msg, &oldstate,

   918 				&newstate, &pendingstate);

   920             if (pendingstate != GST_STATE_VOID_PENDING)

   921                 break;

   923             if ((oldstate == GST_STATE_READY) &&

   924                 (newstate == GST_STATE_PAUSED)) {

   925                     if (priv->ready)

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

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

   928                        (newstate == GST_STATE_PLAYING)) {

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

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

   931                        (newstate == GST_STATE_NULL)) {

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

   933             }

   934             break;

   935 		}

   936 		case GST_MESSAGE_ERROR:

   937 		{

   938 		    GError *error;

   939 		    gchar *debug;

   940 		    gchar *err_str;

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

   943 				g_source_remove (priv->tick_id);

   944 				priv->tick_id = 0;

   945 			}

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

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

   949 		        error->message,

   950 		        debug);

   951 			g_debug ("%s", err_str);

   952             priv->ready = FALSE;

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

   954 		    g_free (err_str);

   955 		    g_clear_error (&error);

   956 		    g_free (debug);

   957 			g_debug ("ERROR DONE");

   958 		    break;

   959 		}

   961 		case GST_MESSAGE_EOS:

   962             priv->ready = FALSE;

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

   964 		    break;

   965 		case GST_MESSAGE_DURATION:

   966 		{

   967 			GstFormat format;

   968 			gint64 duration;

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

   970 			if (format == GST_FORMAT_BYTES)

   971 				priv->duration = duration;

   972 			break;

   973 		}

   974 		default:

   975 		{

   976 			break;

   977 		}

   978 	}

   979 	return TRUE;

   980 }

   984 static void

   985 _decodebin_new_pad_cb (GstElement* object,

   986                        GstPad* pad,

   987                        gboolean flag,

   988                        gpointer user_data)

   989 {

   990 	GstCaps *caps;

   991 	gchar *str_caps = NULL;

   992     GstElement *sink_element;

   993     GstPad *sink_pad;

   995 	caps = gst_pad_get_caps (pad);

   996 	str_caps = gst_caps_to_string (caps);

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

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

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

  1000 	} else if (strstr (str_caps, "video") != NULL) {

  1001         sink_element = gst_bin_get_by_name (GST_BIN (user_data), "vqueue");

  1002 	} else {

  1003 		g_warning ("invalid caps %s", str_caps);

  1004 	}

  1006     sink_pad = gst_element_get_pad (sink_element, "sink");

  1007 	gst_pad_link (pad, sink_pad);

  1009     gst_object_unref (sink_element);

  1010 	gst_object_unref (sink_pad);

  1011 	g_free (str_caps);

  1012 	gst_caps_unref (caps);

  1013 }

  1015 static void

  1016 _decodebin_unknown_type_cb (GstElement* object,

  1017                             GstPad* pad,

  1018                             GstCaps* caps,

  1019                             gpointer user_data)

  1020 {

  1021     g_warning  ("Unknown Type");

  1022     //priv->ready = FALSE;

  1023 }

  1025 static gboolean

  1026 _tick_cb (gpointer user_data)

  1027 {

  1028 	GstFormat format = GST_FORMAT_BYTES;

  1029 	gint64 cur = 0;

  1031 	GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE (user_data);

  1033 	if (priv->duration == 0) {

  1034 		gint64 d = 0;

  1035 		if (gst_element_query_duration (priv->src, &format, &d))

  1036 			priv->duration = d;

  1037 	}

  1039 	if (priv->duration != 0) {

  1040 		gst_element_query_position (priv->src, &format, &cur);

  1041 		g_print ("PROGRESS:%lli\n", (99 * cur) / priv->duration);

  1042 	}

  1044 	return TRUE;

  1045 }

author	morphbr
	Thu May 17 22:16:15 2007 +0100 (2007-05-17)
branch	trunk
changeset 687	6c22199ff33e
parent 671	a05b421242e4
child 691	726550e48c21
permissions	-rw-r--r--