gmyth: gmyth-stream/gmencoder/src/gmencoder.c@f1af7f8cd7d9

     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>

    11 #include <sys/types.h>

    12 #include <sys/socket.h>

    13 #include <libgnomevfs/gnome-vfs.h>

    14 #include <gst/interfaces/tuner.h>

    16 #include "gmencoder.h"

    18 #define G_MENCODER_GET_PRIVATE(obj) \

    19     (G_TYPE_INSTANCE_GET_PRIVATE ((obj), G_TYPE_MENCODER, GMencoderPrivate))

    21 #define USE_MANUAL_SINK

    22 #define GMENCODER_TIMEOUT	5000

    24 typedef struct _GMencoderPrivate GMencoderPrivate;

    25 typedef struct _SetupInfo SetupInfo;

    27 struct _SetupInfo {

    28     gchar          *video_encode;

    29     gchar          *mux_name;

    30     gchar         **video_encode_prop;

    31     gdouble         video_fps;

    32     gdouble         video_rate;

    33     guint           video_width;

    34     guint           video_height;

    35     gchar          *audio_encode;

    36     gchar         **audio_encode_prop;

    37     guint           audio_rate;

    38 };

    41 struct _GMencoderPrivate {

    42     GstElement     *pipe;

    43     GstElement     *abin;

    44     GstElement     *vbin;

    45     GstElement     *sink;

    46     GstElement     *src;

    48     GnomeVFSHandle  *handle;

    50     gboolean        ready;

    51     SetupInfo      *info;

    52     GstClockTime    videot;

    53     GstClockTime    audiot;

    54     gint            sources;

    55     gint            tick_id;

    56     gint64          duration;

    57     gboolean        send_chunked;

    58     gint 	    timeout_id;

    60     //V4l info

    61     GstElement *v4lsrc;

    62     gchar *channel;

    63     gchar *norm;

    64     glong frequency;

    65 };

    67 enum {

    68     PAUSED,

    69     PLAYING,

    70     STOPED,

    71     EOS,

    72     ERROR,

    73     LAST_SIGNAL

    74 };

    76 static void     g_mencoder_class_init(GMencoderClass * klass);

    77 static void     g_mencoder_init(GMencoder * object);

    78 static void     g_mencoder_dispose(GObject * object);

    79 static void     g_mencoder_finalize(GObject * object);

    80 static GstElement *_create_audio_bin(const gchar * encode,

    81                                      gchar ** encode_prop, gint rate);

    82 static GstElement *_create_video_bin(const gchar * encode,

    83                                      gchar ** encode_prop,

    84                                      gdouble fps,

    85                                      gint rate, guint width, guint height,

    86                                      gboolean use_deinterlace);

    88 static          gboolean

    89 _pipeline_bus_cb(GstBus * bus, GstMessage * msg, gpointer user_data);

    91 static void     _decodebin_new_pad_cb(GstElement * object,

    92                                       GstPad * pad,

    93                                       gboolean flag, gpointer user_data);

    95 static void     _decodebin_unknown_type_cb(GstElement * object,

    96                                            GstPad * pad,

    97                                            GstCaps * caps,

    98                                            gpointer user_data);

   100 static void     _close_output(GMencoder * self);

   101 static gboolean _open_output(GMencoder * self, const gchar * uri);

   103 static GstElement *_create_source(GMencoder *self, const gchar * uri);

   104 static GstElement *_create_pipeline(GMencoder * self,

   105                                     const gchar * video_encode,

   106                                     const gchar * mux_name,

   107                                     gchar ** video_encode_prop,

   108                                     gdouble video_fps,

   109                                     gdouble video_rate,

   110                                     guint video_width,

   111                                     guint video_height,

   112                                     const gchar * audio_encode,

   113                                     gchar ** audio_encode_prop,

   114                                     guint audio_rate,

   115 				    gboolean deinterlace);

   116 static gboolean	_process_timeout_cb (gpointer user_data);

   117 #ifdef USE_MANUAL_SINK

   118 static void _flush_queue	        (GMencoder *self);

   119 static void _buffer_arrive_cb       (GstElement* object,

   120                                      GstBuffer* buff,

   121                                      GstPad* pad,

   122                                      gpointer user_data);

   123 #endif

   126 static gboolean _tick_cb(gpointer data);

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

   130 G_DEFINE_TYPE(GMencoder, g_mencoder, G_TYPE_OBJECT)

   132 static void     g_mencoder_class_init(GMencoderClass * klass)

   133 {

   134     GObjectClass   *object_class;

   135     object_class = (GObjectClass *) klass;

   136     g_type_class_add_private(klass, sizeof(GMencoderPrivate));

   138     object_class->dispose = g_mencoder_dispose;

   139     object_class->finalize = g_mencoder_finalize;

   141     g_mencoder_signals[PAUSED] =

   142         g_signal_new("paused",

   143                      G_OBJECT_CLASS_TYPE(object_class),

   144                      G_SIGNAL_RUN_FIRST,

   145                      0, NULL, NULL,

   146                      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

   148     g_mencoder_signals[PLAYING] =

   149         g_signal_new("playing",

   150                      G_OBJECT_CLASS_TYPE(object_class),

   151                      G_SIGNAL_RUN_FIRST,

   152                      0, NULL, NULL,

   153                      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

   155     g_mencoder_signals[STOPED] =

   156         g_signal_new("stoped",

   157                      G_OBJECT_CLASS_TYPE(object_class),

   158                      G_SIGNAL_RUN_FIRST,

   159                      0, NULL, NULL,

   160                      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

   162     g_mencoder_signals[EOS] =

   163         g_signal_new("eos",

   164                      G_OBJECT_CLASS_TYPE(object_class),

   165                      G_SIGNAL_RUN_FIRST,

   166                      0, NULL, NULL,

   167                      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

   169     g_mencoder_signals[ERROR] =

   170         g_signal_new("error",

   171                      G_OBJECT_CLASS_TYPE(object_class),

   172                      G_SIGNAL_RUN_LAST,

   173                      0, NULL, NULL,

   174                      g_cclosure_marshal_VOID__STRING,

   175                      G_TYPE_NONE, 1, G_TYPE_STRING);

   176 }

   178 static void

   179 g_mencoder_init(GMencoder * self)

   180 {

   181     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   183 }

   185 static void

   186 g_mencoder_dispose(GObject * object)

   187 {

   188 }

   190 static void

   191 g_mencoder_finalize(GObject * object)

   192 {

   193     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(object);

   195     // TODO: clear vars

   196     g_mencoder_close_stream(G_MENCODER(object));

   197     g_free (priv->info);

   198 }

   200 GMencoder      *

   201 g_mencoder_new(void)

   202 {

   203     return g_object_new(G_TYPE_MENCODER, NULL);

   204 }

   207 static void

   208 _obj_set_prop(GObject * obj, const gchar * prop_name,

   209               const gchar * prop_val)

   210 {

   211     GValue          p = { 0 };

   212     GValue          v = { 0 };

   213     GParamSpec     *s = NULL;

   214     GObjectClass   *k = G_OBJECT_GET_CLASS(obj);

   217     g_value_init(&v, G_TYPE_STRING);

   218     g_value_set_string(&v, prop_val);

   220     s = g_object_class_find_property(k, prop_name);

   221     if (s == NULL) {

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

   223         return;

   224     }

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

   227     switch (s->value_type) {

   228     case G_TYPE_INT:

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

   230         break;

   231     case G_TYPE_ULONG:

   232         g_value_set_ulong (&p, atol(prop_val));

   233         break;

   234     case G_TYPE_STRING:

   235         g_value_set_string(&p, prop_val);

   236         break;

   237     case G_TYPE_BOOLEAN:

   238         g_value_set_boolean(&p, (gboolean) atoi (prop_val));

   239         break;

   240     case G_TYPE_DOUBLE:

   241         g_value_set_double(&p, atof (prop_val));

   242         break;

   243     case G_TYPE_FLOAT:

   244         g_value_set_float(&p, (float) atof (prop_val));

   245         break;

   246     default:

   247         g_value_set_enum(&p, atoi(prop_val));

   248         g_warning ("Property %s of type %s. Not supported using default enum",

   249                    prop_name, g_type_name (s->value_type));

   250         return;

   251     }

   253     g_object_set_property(obj, prop_name, &p);

   254     g_value_unset(&v);

   255     g_value_unset(&p);

   256 }

   258 static GstElement *

   259 _create_element_with_prop(const gchar * factory_name,

   260                           const gchar * element_name, gchar ** prop)

   261 {

   262     GstElement     *ret;

   263     int             i;

   265     ret = gst_element_factory_make(factory_name, element_name);

   266     if (ret == NULL)

   267         return NULL;

   269     if (prop != NULL) {

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

   271             if (prop[i] != NULL) {

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

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

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

   275                 }

   276                 g_strfreev(v);

   277             }

   278         }

   279     }

   281     return ret;

   283 }

   285 static GstElement *

   286 _create_audio_bin(const gchar * encode, gchar ** encode_prop, gint rate)

   287 {

   288     GstElement     *abin = NULL;

   289     GstElement     *aqueue = NULL;

   290     GstElement     *aconvert = NULL;

   291     GstElement     *aencode = NULL;

   292     GstElement     *aqueue_src = NULL;

   293     GstPad         *apad = NULL;

   295     // audio/x-raw-int ! queue ! audioconvert ! faac ! rtpmp4gpay !

   296     // udpsink name=upd_audio host=224.0.0.1 port=5002

   297     abin = gst_bin_new("abin");

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

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

   300     aencode =

   301         _create_element_with_prop((encode ? encode : "lame"), "aencode",

   302                                   encode_prop);

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

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

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

   307         g_warning("Audio elements not found");

   308         goto error;

   309     }

   311     /*

   312      * if (rate > 0) { g_object_set (G_OBJECT (aencode), "bitrate", 32,

   313      * NULL); }

   314      */

   316     gst_bin_add_many(GST_BIN(abin), aqueue, aconvert, aencode, aqueue_src,

   317                      NULL);

   318     if (gst_element_link_many(aqueue, aconvert, aencode, aqueue_src, NULL)

   319         == FALSE) {

   320         g_warning("Not Link audio elements");

   321     }

   322     // TODO: apply audio rate

   324     // ghost pad the audio bin

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

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

   327     gst_object_unref(apad);

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

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

   331     gst_object_unref(apad);

   333     return abin;

   334   error:

   335     if (abin != NULL)

   336         gst_object_unref(abin);

   338     if (aqueue != NULL)

   339         gst_object_unref(aqueue);

   341     if (aconvert != NULL)

   342         gst_object_unref(aconvert);

   344     if (aencode != NULL)

   345         gst_object_unref(aencode);

   347     if (aqueue_src != NULL)

   348         gst_object_unref(aqueue_src);

   350     if (apad != NULL)

   351         gst_object_unref(apad);

   353     return NULL;

   354 }

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

   360 // ! rate ! encode ! queue

   361 static GstElement *

   362 _create_video_bin(const gchar * encode,

   363                   gchar ** encode_prop,

   364                   gdouble fps, gint rate, guint width, guint height,

   365                   gboolean use_deinterlace)

   366 {

   367     GstElement     *vbin = NULL;

   368     GstElement     *vqueue = NULL;

   369     GstElement     *vqueue_src = NULL;

   370     GstElement     *vcolorspace = NULL;

   371     GstElement     *vencode = NULL;

   372     GstElement     *vrate = NULL;

   373     GstElement     *deinterlace = NULL;

   374     GstElement     *walk = NULL;

   375     GstPad         *vpad = NULL;

   377     vbin = gst_bin_new("vbin");

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

   379     vcolorspace =

   380         gst_element_factory_make("ffmpegcolorspace", "colorspace");

   382     if (use_deinterlace) {

   383         deinterlace = gst_element_factory_make ("ffdeinterlace", "deinterlace");

   384         if (deinterlace == NULL) {

   385            g_warning ("Fail to create deinterlace element: Continue without deinterlace.");

   386         }

   387     }

   390     vencode = _create_element_with_prop((encode !=

   391                                          NULL ? encode :

   392                                          "ffenc_mpeg1video"), "vencode",

   393                                         encode_prop);

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

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

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

   398         g_warning("Video elements not found");

   399         goto error;

   400     }

   402     gst_bin_add_many(GST_BIN(vbin), vqueue, vcolorspace, vencode,

   403                      vqueue_src, NULL);

   405     if (deinterlace != NULL) {

   406         gst_bin_add(GST_BIN(vbin), deinterlace);

   407         gst_element_link (vqueue, deinterlace);

   408         walk = deinterlace;

   409     } else {

   410         walk = vqueue;

   411     }

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

   414         // Scalling video

   415         GstCaps        *vcaps;

   416         GstElement     *vscale;

   418         vscale = gst_element_factory_make("videoscale", "vscale");

   419         //g_object_set (G_OBJECT (vscale), "method", 1, NULL);

   420         gst_bin_add(GST_BIN(vbin), vscale);

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

   423                                     "width", G_TYPE_INT, width,

   424                                     "height", G_TYPE_INT, height, NULL);

   426         gst_element_link(walk, vscale);

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

   429             g_warning("Fail to resize video");

   430             gst_object_unref(vcaps);

   431             gst_object_unref(vscale);

   432             goto error;

   433         }

   434         gst_caps_unref(vcaps);

   435     } else {

   436         gst_element_link(walk, vcolorspace);

   437     }

   439     if (fps > 0) {

   440         // Changing the video fps

   441         GstCaps        *vcaps;

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

   444         gst_bin_add(GST_BIN(vbin), vrate);

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

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

   448             goto error;

   449         }

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

   452                                     "framerate", GST_TYPE_FRACTION,

   453                                     (int) (fps * 1000), 1000, NULL);

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

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

   457             goto error;

   458         }

   459         gst_caps_unref(vcaps);

   460     } else {

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

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

   463             goto error;

   464         }

   465     }

   467     gst_element_link(vencode, vqueue_src);

   469     // ghost pad the video bin

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

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

   472     gst_object_unref(vpad);

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

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

   476     gst_object_unref(vpad);

   478     return vbin;

   480   error:

   481     if (vpad != NULL)

   482         gst_object_unref(vpad);

   484     if (vbin != NULL)

   485         gst_object_unref(vbin);

   487     if (vqueue != NULL)

   488         gst_object_unref(vqueue);

   490     if (vencode != NULL)

   491         gst_object_unref(vencode);

   493     if (vqueue_src != NULL)

   494         gst_object_unref(vqueue_src);

   496     if (vcolorspace != NULL)

   497         gst_object_unref(vcolorspace);

   499     return NULL;

   500 }

   504 gboolean

   505 g_mencoder_setup_stream(GMencoder * self,

   506 			gboolean chunked,

   507 			gboolean deinterlace,

   508                         const gchar * mux_name,

   509                         const gchar * video_encode,

   510                         gchar ** video_encode_prop,

   511                         gdouble video_fps,

   512                         gdouble video_rate,

   513                         guint video_width,

   514                         guint video_height,

   515                         const gchar * audio_encode,

   516                         gchar ** audio_encode_prop,

   517                         guint audio_rate, const gchar * out_uri)

   518 {

   519     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   521         g_warning

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

   523         return FALSE;

   524     }

   526     _close_output(self);

   527     if (_open_output(self, out_uri) == FALSE) {

   528         return FALSE;

   529     }

   531     priv->sources = 0;

   532     priv->send_chunked = chunked;

   533     priv->pipe = _create_pipeline(self,

   534                                   video_encode,

   535                                   mux_name,

   536                                   video_encode_prop,

   537                                   video_fps,

   538                                   video_rate,

   539                                   video_width,

   540                                   video_height,

   541                                   audio_encode, audio_encode_prop,

   542                                   audio_rate,

   543                                   deinterlace);

   545     return (priv->pipe != NULL);

   546 }

   549 gboolean

   550 g_mencoder_append_uri(GMencoder * self, const gchar * uri)

   551 {

   552     GstPad         *pad_src;

   553     GstPad         *pad_sink;

   554     GstElement     *src;

   555     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

   556     gboolean        ret = FALSE;

   557     GstElement     *ap = NULL;

   558     GstElement     *vp = NULL;

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

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

   564     src = _create_source(self, uri);

   565     if (src == NULL)

   566         return FALSE;

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

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

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

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

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

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

   577         goto error;

   578     }

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

   581     pad_sink = gst_element_get_compatible_pad(ap,

   582                                               pad_src,

   583                                               gst_pad_get_caps(pad_src));

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

   586         goto error;

   588     GstPadLinkReturn lret = gst_pad_link(pad_src, pad_sink);

   589     if (lret != GST_PAD_LINK_OK)

   590         goto error;

   592     gst_object_unref(pad_src);

   593     gst_object_unref(pad_sink);

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

   596     pad_sink = gst_element_get_compatible_pad(vp,

   597                                               pad_src,

   598                                               gst_pad_get_caps(pad_src));

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

   601         goto error;

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

   604         g_warning("invalid source. video");

   605         goto error;

   606     }

   608     priv->sources++;

   609     ret = TRUE;

   610   error:

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

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

   614         gst_object_unref(src);

   615     }

   617     if (ap != NULL)

   618         gst_object_unref(ap);

   620     if (vp != NULL)

   621         gst_object_unref(vp);

   623     if (pad_src != NULL)

   624         gst_object_unref(pad_src);

   626     if (pad_sink != NULL)

   627         gst_object_unref(pad_sink);

   629     return ret;

   630 }

   634 void

   635 g_mencoder_remove_uri(GMencoder * self, const gchar * uri)

   636 {

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

   638     // TODO: remove src

   639 }

   641 void

   642 g_mencoder_play_stream(GMencoder * self)

   643 {

   644     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   646     priv->ready = TRUE;

   647     gst_element_set_state(priv->pipe, GST_STATE_PLAYING);

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

   649         g_source_remove (priv->tick_id);

   650     }

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

   653     if (priv->timeout_id != 0) {

   654         g_source_remove (priv->timeout_id);

   655     }

   656     //priv->timeout_id = g_timeout_add(GMENCODER_TIMEOUT, _process_timeout_cb, self);

   657 }

   659 void

   660 g_mencoder_pause_stream(GMencoder * self)

   661 {

   662     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   664     gst_element_set_state(priv->pipe, GST_STATE_PAUSED);

   665 }

   667 void

   668 g_mencoder_close_stream(GMencoder * self)

   669 {

   671     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   673         g_source_remove(priv->tick_id);

   674         priv->tick_id = 0;

   675     }

   677     if (priv->timeout_id != 0) {

   678         g_source_remove (priv->timeout_id);

   679 	priv->timeout_id = 0;

   680     }

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

   683         // TODO: fixe pipeline dispose

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

   685         // g_debug ("SETING STATE TO NULL: OK");

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

   687         //gst_object_unref (priv->pipe);

   688         //gst_object_unref(priv->src);

   689         priv->src = NULL;

   690         priv->pipe = NULL;

   691         priv->abin = NULL;

   692         priv->vbin = NULL;

   693         priv->sink = NULL;

   694     }

   695     priv->ready = FALSE;

   696 }

   698 static GstElement *

   699 _create_pipeline(GMencoder * self,

   700                  const gchar * video_encode,

   701                  const gchar * mux_name,

   702                  gchar ** video_encode_prop,

   703                  gdouble video_fps,

   704                  gdouble video_rate,

   705                  guint video_width,

   706                  guint video_height,

   707                  const gchar * audio_encode,

   708                  gchar ** audio_encode_prop, guint audio_rate,

   709 		         gboolean deinterlace)

   710 {

   711     GstBus         *bus = NULL;

   712     GstElement     *pipe = NULL;

   713     GstElement     *sink = NULL;

   714     GstElement     *mux = NULL;

   715     GstElement     *abin = NULL;

   716     GstElement     *vbin = NULL;

   717     GstElement     *queue = NULL;

   718     GstPad         *aux_pad = NULL;

   719     GstPad         *mux_pad = NULL;

   721     pipe = gst_pipeline_new("pipe");

   723     mux =

   724         gst_element_factory_make((mux_name ? mux_name : "ffmux_mpeg"),

   725                                  "mux");

   726     if (mux == NULL)

   727         goto error;

   729     queue = gst_element_factory_make("queue", "queueu_sink");

   732     sink = gst_element_factory_make("fakesink", "sink");

   733     g_object_set (G_OBJECT (sink), "signal-handoffs", TRUE, NULL);

   734     g_signal_connect (G_OBJECT (sink),

   735                       "handoff",

   736                       G_CALLBACK (_buffer_arrive_cb),

   737                       self);

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

   740     if (abin == NULL)

   741         goto error;

   743     vbin =

   744         _create_video_bin(video_encode, video_encode_prop, video_fps,

   745                           video_rate, video_width, video_height, deinterlace);

   746     if (vbin == NULL)

   747         goto error;

   749     // Finish Pipe

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

   753     // Link bins with mux

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

   755     mux_pad =

   756         gst_element_get_compatible_pad(mux, aux_pad,

   757                                        GST_PAD_CAPS(aux_pad));

   758     if (mux_pad == NULL) {

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

   760         goto error;

   761     }

   762     GstPadLinkReturn ret = gst_pad_link(aux_pad, mux_pad);

   763     if (ret != GST_PAD_LINK_OK) {

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

   765         goto error;

   767     }

   768     gst_object_unref(aux_pad);

   769     gst_object_unref(mux_pad);

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

   772     mux_pad =

   773         gst_element_get_compatible_pad(mux, aux_pad,

   774                                        GST_PAD_CAPS(aux_pad));

   775     if (mux_pad == NULL) {

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

   777         goto error;

   778     }

   779     ret = gst_pad_link(aux_pad, mux_pad);

   780     if (ret != GST_PAD_LINK_OK) {

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

   782         goto error;

   783     }

   784     gst_object_unref(aux_pad);

   785     gst_object_unref(mux_pad);

   786     aux_pad = NULL;

   787     mux_pad = NULL;

   789     // Link mux with sink

   790     gst_element_link_many(mux, queue, sink, NULL);

   792     bus = gst_pipeline_get_bus(GST_PIPELINE(pipe));

   793     gst_bus_add_watch(bus, _pipeline_bus_cb, self);

   794     gst_object_unref(bus);

   795     return pipe;

   797   error:

   798     g_warning("Invalid uri");

   800     if (pipe != NULL) {

   801         gst_object_unref(pipe);

   802     }

   805     if (mux != NULL) {

   806         gst_object_unref(mux);

   807     }

   809     if (mux_pad != NULL) {

   810         gst_object_unref(mux_pad);

   811     }

   813     if (aux_pad != NULL) {

   814         gst_object_unref(mux_pad);

   815     }

   817     if (sink != NULL) {

   818         gst_object_unref(sink);

   819     }

   821     if (abin != NULL) {

   822         gst_object_unref(abin);

   823     }

   825     if (vbin != NULL) {

   826         gst_object_unref(vbin);

   827     }

   829     return FALSE;

   830 }

   833 static void

   834 _close_output(GMencoder * self)

   835 {

   836 }

   838 static GstElement *

   839 _create_v4l_source (GMencoder *self, const gchar * uri)

   840 {

   841     gchar **info;

   842     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

   845     info = g_strsplit (uri+6, ":", 3);

   846     if (g_strv_length (info) != 3) {

   847         return NULL;

   848     }

   850     priv->v4lsrc = gst_element_factory_make ("v4l2src", "src");

   851     g_debug ("channel %s, norm %s, frequ %s", info[0], info[1], info[2]);

   852     g_object_set (G_OBJECT (priv->v4lsrc),

   853                   "channel", info[0],

   854                   "norm", info[1],

   855                   "frequency", atoi (info[2]),

   856                   NULL);

   858     return priv->v4lsrc;

   859 }

   861 static GstElement *

   862 _create_source(GMencoder *self, const gchar * uri)

   863 {

   865     GstElement     *bsrc = NULL;

   866     GstElement     *src = NULL;

   867     GstElement     *aqueue = NULL;

   868     GstElement     *vqueue = NULL;

   869     GstElement     *decode = NULL;

   870     GstPad         *src_pad = NULL;

   873     bsrc = gst_bin_new(NULL);

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

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

   877     if (strncmp (uri, "v4l://", 6) == 0) {

   878         g_debug ("V4L");

   879         src = _create_v4l_source (self, uri);

   880     }

   881     else {

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

   883     }

   885     if (src == NULL)

   886         goto error;

   889     if (g_getenv ("USE_DECODEBIN1"))

   890       decode = gst_element_factory_make("decodebin", "decode");

   891     else

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

   893     if (decode == NULL)

   894         goto error;

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

   897     if (aqueue == NULL)

   898         goto error;

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

   901     if (vqueue == NULL)

   902         goto error;

   904     gst_bin_add_many(GST_BIN(bsrc), src, decode, aqueue, vqueue,

   905                      NULL);

   906     gst_element_link (src, decode);

   908     g_signal_connect(G_OBJECT(decode),

   909                      "new-decoded-pad",

   910                      G_CALLBACK(_decodebin_new_pad_cb), bsrc);

   912     g_signal_connect(G_OBJECT(decode),

   913                      "unknown-type",

   914                      G_CALLBACK(_decodebin_unknown_type_cb), pipe);

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

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

   918     gst_object_unref(src_pad);

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

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

   922     gst_object_unref(src_pad);

   924     return bsrc;

   926   error:

   927     g_debug ("Fail to create source element");

   928     if (src != NULL) {

   929         gst_object_unref(src);

   930     }

   932     if (decode != NULL) {

   933         gst_object_unref(decode);

   934     }

   936     if (aqueue != NULL) {

   937         gst_object_unref(aqueue);

   938     }

   940     if (vqueue != NULL) {

   941         gst_object_unref(vqueue);

   942     }

   944     return NULL;

   945 }

   947 static gboolean

   948 _open_output(GMencoder * self, const gchar * uri)

   949 {

   950     gchar         **i;

   951     GnomeVFSResult result;

   952     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

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

   956         result = gnome_vfs_open_fd (&priv->handle, atoi(i[1]));

   957     } else {

   958         if (g_file_test (i[1], G_FILE_TEST_EXISTS) == FALSE) {

   959             result = gnome_vfs_create (&priv->handle, uri, GNOME_VFS_OPEN_WRITE, FALSE,

   960                               GNOME_VFS_PERM_USER_WRITE | GNOME_VFS_PERM_USER_READ | GNOME_VFS_PERM_GROUP_READ);

   961         } else {

   962             result = gnome_vfs_open (&priv->handle, uri,

   963                                      GNOME_VFS_OPEN_WRITE | GNOME_VFS_OPEN_TRUNCATE);

   964         }

   965     }

   967     g_strfreev(i);

   968     return (result == GNOME_VFS_OK);

   969 }

   971 static          gboolean

   972 _pipeline_bus_cb(GstBus * bus, GstMessage * msg, gpointer user_data)

   973 {

   974     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

   976     switch (GST_MESSAGE_TYPE(msg)) {

   978     case GST_MESSAGE_STATE_CHANGED:

   979         {

   980             GstState        oldstate;

   981             GstState        newstate;

   982             GstState        pendingstate;

   985             gst_message_parse_state_changed(msg, &oldstate,

   986                                             &newstate, &pendingstate);

   988             if (pendingstate != GST_STATE_VOID_PENDING)

   989                 break;

   991             if ((oldstate == GST_STATE_READY)

   992                 && (newstate == GST_STATE_PAUSED)) {

   993                 if (priv->ready)

   994                     g_signal_emit(user_data, g_mencoder_signals[PAUSED],

   995                                   0);

   996             } else if ((oldstate == GST_STATE_PAUSED)

   997                        && (newstate == GST_STATE_PLAYING)) {

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

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

  1000                        (newstate == GST_STATE_NULL)) {

  1001                 g_signal_emit(user_data, g_mencoder_signals[STOPED], 0);

  1002             }

  1003             break;

  1004         }

  1006     case GST_MESSAGE_ERROR:

  1007         {

  1008             GError         *error;

  1009             gchar          *debug;

  1010             gchar          *err_str;

  1012             if (priv->tick_id != 0) {

  1013                 g_source_remove(priv->tick_id);

  1014                 priv->tick_id = 0;

  1015             }

  1017             gst_message_parse_error(msg, &error, &debug);

  1018             err_str = g_strdup_printf("Error [%d] %s (%s)", error->code,

  1019                                       error->message, debug);

  1020             priv->ready = FALSE;

  1021             g_signal_emit(user_data, g_mencoder_signals[ERROR], 0,

  1022                           err_str);

  1023             g_free(err_str);

  1024             g_clear_error(&error);

  1025             g_free(debug);

  1026             break;

  1027         }

  1029     case GST_MESSAGE_EOS:

  1030         priv->ready = FALSE;

  1031 #ifdef USE_MANUAL_SINK

  1032         _flush_queue (G_MENCODER (user_data));

  1033 #endif

  1034         g_signal_emit(user_data, g_mencoder_signals[EOS], 0);

  1035         break;

  1037     case GST_MESSAGE_DURATION:

  1038         {

  1039             GstFormat       format;

  1040             gint64          duration;

  1041             gst_message_parse_duration(msg, &format, &duration);

  1042             if (format == GST_FORMAT_BYTES)

  1043                 priv->duration = duration;

  1044             break;

  1045         }

  1046     default:

  1047         {

  1048             break;

  1049         }

  1050     }

  1051     return TRUE;

  1052 }

  1056 static void

  1057 _decodebin_new_pad_cb(GstElement * object,

  1058                       GstPad * pad, gboolean flag, gpointer user_data)

  1059 {

  1060     GstCaps        *caps;

  1061     gchar          *str_caps = NULL;

  1062     GstElement     *sink_element;

  1063     GstPad         *sink_pad;

  1065     caps = gst_pad_get_caps(pad);

  1066     str_caps = gst_caps_to_string(caps);

  1067     if (strstr(str_caps, "audio") != NULL) {

  1068         sink_element = gst_bin_get_by_name(GST_BIN(user_data), "aqueue");

  1069     } else if (strstr(str_caps, "video") != NULL) {

  1070         sink_element = gst_bin_get_by_name(GST_BIN(user_data), "vqueue");

  1071     } else {

  1072         g_warning("invalid caps %s", str_caps);

  1073     }

  1075     sink_pad = gst_element_get_pad(sink_element, "sink");

  1076     gst_pad_link(pad, sink_pad);

  1078     gst_object_unref(sink_element);

  1079     gst_object_unref(sink_pad);

  1080     g_free(str_caps);

  1081     gst_caps_unref(caps);

  1082 }

  1084 static void

  1085 _decodebin_unknown_type_cb(GstElement * object,

  1086                            GstPad * pad, GstCaps * caps,

  1087                            gpointer user_data)

  1088 {

  1089     g_warning("Unknown Type");

  1090     // priv->ready = FALSE;

  1091 }

  1093 static          gboolean

  1094 _tick_cb(gpointer user_data)

  1095 {

  1096     GstFormat       format = GST_FORMAT_BYTES;

  1097     gint64          cur = 0;

  1099     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1101     if (priv->duration == 0) {

  1102         gint64          d = 0;

  1103         if (gst_element_query_duration(priv->src, &format, &d))

  1104             priv->duration = d;

  1105     }

  1107     if (priv->duration != 0) {

  1108         gst_element_query_position(priv->src, &format, &cur);

  1109         g_print("PROGRESS:%lli\n", (99 * cur) / priv->duration);

  1110     }

  1112     return TRUE;

  1113 }

  1115 static gboolean

  1116 _process_timeout_cb (gpointer user_data)

  1117 {

  1118     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1120     g_signal_emit(user_data, g_mencoder_signals[ERROR], 0, "timeout");

  1121     priv->timeout_id = 0;

  1122     return FALSE;

  1123 }

  1126 #ifdef USE_MANUAL_SINK

  1127 static gboolean

  1128 _send_buffer (GnomeVFSHandle *handle, gpointer buff, gint size)

  1129 {

  1130     gchar *msg;

  1131     GByteArray *b_send;

  1132     GnomeVFSResult result;

  1133     GnomeVFSFileSize bytes_written;

  1135     b_send = g_byte_array_new ();

  1136     msg = g_strdup_printf ("%x\r\n", size);

  1137     b_send = g_byte_array_append (b_send, (const guint8*) msg, strlen (msg) * sizeof (gchar));

  1138     g_free (msg);

  1140     b_send = g_byte_array_append (b_send, buff, size);

  1142     msg = g_strdup ("\r\n");

  1143     b_send = g_byte_array_append (b_send, (const guint8*) msg, strlen (msg) * sizeof (gchar));

  1144     g_free (msg);

  1146     result = gnome_vfs_write (handle, b_send->data, b_send->len, &bytes_written);

  1147     g_byte_array_free (b_send, TRUE);

  1149     return (result == GNOME_VFS_OK);

  1150 }

  1152 static void

  1153 _flush_queue (GMencoder *self)

  1154 {

  1155     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

  1157     if (priv->send_chunked) {

  1158         GnomeVFSFileSize bytes_written;

  1159         gchar *end_msg;

  1160         end_msg = g_strdup ("0\r\n\r\n");

  1161         gnome_vfs_write (priv->handle,

  1162                          (const guint8*) end_msg,

  1163                          strlen(end_msg) * sizeof(gchar),

  1164                          &bytes_written);

  1165         g_free (end_msg);

  1166     }

  1167 }

  1169 static void

  1170 _buffer_arrive_cb (GstElement* object,

  1171                    GstBuffer* buff,

  1172                    GstPad* pad,

  1173                    gpointer user_data)

  1174 {

  1175     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1177     if (priv->timeout_id != 0) {

  1178 	g_source_remove (priv->timeout_id);

  1179 	priv->timeout_id = 0;

  1180     }

  1182     if (priv->send_chunked) {

  1183         if (_send_buffer (priv->handle, GST_BUFFER_DATA (buff), GST_BUFFER_SIZE (buff)) == FALSE)

  1184             goto error;

  1185     } else {

  1186         GnomeVFSResult result;

  1187         GnomeVFSFileSize bytes_written;

  1189         result = gnome_vfs_write (priv->handle,

  1190                                   GST_BUFFER_DATA (buff),

  1191                                   GST_BUFFER_SIZE (buff),

  1192                                   &bytes_written);

  1194         if (result != GNOME_VFS_OK)

  1195             goto error;

  1196     }

  1198     return;

  1200 error:

  1201     if (priv->tick_id != 0) {

  1202         g_source_remove(priv->tick_id);

  1203         priv->tick_id = 0;

  1204     }

  1205     g_signal_emit(user_data, g_mencoder_signals[ERROR], 0, "Fail to write on socket");

  1206     gst_element_set_state (priv->pipe, GST_STATE_PAUSED);

  1207 }

  1209 #endif

author	renatofilho
	Mon Jan 07 18:49:22 2008 +0000 (2008-01-07)
branch	trunk
changeset 888	f1af7f8cd7d9
parent 857	dda04b6cf0b2
child 889	83851e17c385
permissions	-rw-r--r--