gmyth: gmyth-stream/gmencoder/src/gmencoder.c@4bdd0f922b68

     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_UINT:

   232         g_value_set_uint (&p, (guint) atoi(prop_val));

   233         break;

   234     case G_TYPE_ULONG:

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

   236         break;

   237     case G_TYPE_STRING:

   238         g_value_set_string(&p, prop_val);

   239         break;

   240     case G_TYPE_BOOLEAN:

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

   242         break;

   243     case G_TYPE_DOUBLE:

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

   245         break;

   246     case G_TYPE_FLOAT:

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

   248         break;

   249     default:

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

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

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

   253         return;

   254     }

   256     g_object_set_property(obj, prop_name, &p);

   257     g_value_unset(&v);

   258     g_value_unset(&p);

   259 }

   261 static GstElement *

   262 _create_element_with_prop(const gchar * factory_name,

   263                           const gchar * element_name, gchar ** prop)

   264 {

   265     GstElement     *ret;

   266     int             i;

   268     ret = gst_element_factory_make(factory_name, element_name);

   269     if (ret == NULL)

   270         return NULL;

   272     if (prop != NULL) {

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

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

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

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

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

   278                 }

   279                 g_strfreev(v);

   280             }

   281         }

   282     }

   284     return ret;

   286 }

   288 static GstElement *

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

   290 {

   291     GstElement     *abin = NULL;

   292     GstElement     *aqueue = NULL;

   293     GstElement     *aconvert = NULL;

   294     GstElement     *aencode = NULL;

   295     GstElement     *aqueue_src = NULL;

   296     GstPad         *apad = NULL;

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

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

   300     abin = gst_bin_new("abin");

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

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

   303     aencode =

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

   305                                   encode_prop);

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

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

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

   310         g_warning("Audio elements not found");

   311         goto error;

   312     }

   314     /*

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

   316      * NULL); }

   317      */

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

   320                      NULL);

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

   322         == FALSE) {

   323         g_warning("Not Link audio elements");

   324     }

   325     // TODO: apply audio rate

   327     // ghost pad the audio bin

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

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

   330     gst_object_unref(apad);

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

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

   334     gst_object_unref(apad);

   336     return abin;

   337   error:

   338     if (abin != NULL)

   339         gst_object_unref(abin);

   341     if (aqueue != NULL)

   342         gst_object_unref(aqueue);

   344     if (aconvert != NULL)

   345         gst_object_unref(aconvert);

   347     if (aencode != NULL)

   348         gst_object_unref(aencode);

   350     if (aqueue_src != NULL)

   351         gst_object_unref(aqueue_src);

   353     if (apad != NULL)

   354         gst_object_unref(apad);

   356     return NULL;

   357 }

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

   363 // ! rate ! encode ! queue

   364 static GstElement *

   365 _create_video_bin(const gchar * encode,

   366                   gchar ** encode_prop,

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

   368                   gboolean use_deinterlace)

   369 {

   370     GstElement     *vbin = NULL;

   371     GstElement     *vqueue = NULL;

   372     GstElement     *vqueue_src = NULL;

   373     GstElement     *vcolorspace = NULL;

   374     GstElement     *vencode = NULL;

   375     GstElement     *vrate = NULL;

   376     GstElement     *deinterlace = NULL;

   377     GstElement     *walk = NULL;

   378     GstPad         *vpad = NULL;

   380     vbin = gst_bin_new("vbin");

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

   382     vcolorspace =

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

   385     if (use_deinterlace) {

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

   387         if (deinterlace == NULL) {

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

   389         }

   390     }

   393     vencode = _create_element_with_prop((encode !=

   394                                          NULL ? encode :

   395                                          "ffenc_mpeg1video"), "vencode",

   396                                         encode_prop);

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

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

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

   401         g_warning("Video elements not found");

   402         goto error;

   403     }

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

   406                      vqueue_src, NULL);

   408     if (deinterlace != NULL) {

   409         gst_bin_add(GST_BIN(vbin), deinterlace);

   410         gst_element_link (vqueue, deinterlace);

   411         walk = deinterlace;

   412     } else {

   413         walk = vqueue;

   414     }

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

   417         // Scalling video

   418         GstCaps        *vcaps;

   419         GstElement     *vscale;

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

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

   423         gst_bin_add(GST_BIN(vbin), vscale);

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

   426                                     "width", G_TYPE_INT, width,

   427                                     "height", G_TYPE_INT, height, NULL);

   429         gst_element_link(walk, vscale);

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

   432             g_warning("Fail to resize video");

   433             gst_object_unref(vcaps);

   434             gst_object_unref(vscale);

   435             goto error;

   436         }

   437         gst_caps_unref(vcaps);

   438     } else {

   439         gst_element_link(walk, vcolorspace);

   440     }

   442     if (fps > 0) {

   443         // Changing the video fps

   444         GstCaps        *vcaps;

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

   447         gst_bin_add(GST_BIN(vbin), vrate);

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

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

   451             goto error;

   452         }

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

   455                                     "framerate", GST_TYPE_FRACTION,

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

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

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

   460             goto error;

   461         }

   462         gst_caps_unref(vcaps);

   463     } else {

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

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

   466             goto error;

   467         }

   468     }

   470     gst_element_link(vencode, vqueue_src);

   472     // ghost pad the video bin

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

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

   475     gst_object_unref(vpad);

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

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

   479     gst_object_unref(vpad);

   481     return vbin;

   483   error:

   484     if (vpad != NULL)

   485         gst_object_unref(vpad);

   487     if (vbin != NULL)

   488         gst_object_unref(vbin);

   490     if (vqueue != NULL)

   491         gst_object_unref(vqueue);

   493     if (vencode != NULL)

   494         gst_object_unref(vencode);

   496     if (vqueue_src != NULL)

   497         gst_object_unref(vqueue_src);

   499     if (vcolorspace != NULL)

   500         gst_object_unref(vcolorspace);

   502     return NULL;

   503 }

   507 gboolean

   508 g_mencoder_setup_stream(GMencoder * self,

   509 			gboolean chunked,

   510 			gboolean deinterlace,

   511                         const gchar * mux_name,

   512                         const gchar * video_encode,

   513                         gchar ** video_encode_prop,

   514                         gdouble video_fps,

   515                         gdouble video_rate,

   516                         guint video_width,

   517                         guint video_height,

   518                         const gchar * audio_encode,

   519                         gchar ** audio_encode_prop,

   520                         guint audio_rate, const gchar * out_uri)

   521 {

   522     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   524         g_warning

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

   526         return FALSE;

   527     }

   529     _close_output(self);

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

   531         return FALSE;

   532     }

   534     priv->sources = 0;

   535     priv->send_chunked = chunked;

   536     priv->pipe = _create_pipeline(self,

   537                                   video_encode,

   538                                   mux_name,

   539                                   video_encode_prop,

   540                                   video_fps,

   541                                   video_rate,

   542                                   video_width,

   543                                   video_height,

   544                                   audio_encode, audio_encode_prop,

   545                                   audio_rate,

   546                                   deinterlace);

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

   549 }

   552 gboolean

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

   554 {

   555     GstPad         *pad_src;

   556     GstPad         *pad_sink;

   557     GstElement     *src;

   558     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

   559     gboolean        ret = FALSE;

   560     GstElement     *ap = NULL;

   561     GstElement     *vp = NULL;

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

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

   567     src = _create_source(self, uri);

   568     if (src == NULL)

   569         return FALSE;

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

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

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

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

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

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

   580         goto error;

   581     }

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

   584     pad_sink = gst_element_get_compatible_pad(ap,

   585                                               pad_src,

   586                                               gst_pad_get_caps(pad_src));

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

   589         goto error;

   591     GstPadLinkReturn lret = gst_pad_link(pad_src, pad_sink);

   592     if (lret != GST_PAD_LINK_OK)

   593         goto error;

   595     gst_object_unref(pad_src);

   596     gst_object_unref(pad_sink);

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

   599     pad_sink = gst_element_get_compatible_pad(vp,

   600                                               pad_src,

   601                                               gst_pad_get_caps(pad_src));

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

   604         goto error;

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

   607         g_warning("invalid source. video");

   608         goto error;

   609     }

   611     priv->sources++;

   612     ret = TRUE;

   613   error:

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

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

   617         gst_object_unref(src);

   618     }

   620     if (ap != NULL)

   621         gst_object_unref(ap);

   623     if (vp != NULL)

   624         gst_object_unref(vp);

   626     if (pad_src != NULL)

   627         gst_object_unref(pad_src);

   629     if (pad_sink != NULL)

   630         gst_object_unref(pad_sink);

   632     return ret;

   633 }

   637 void

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

   639 {

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

   641     // TODO: remove src

   642 }

   644 void

   645 g_mencoder_play_stream(GMencoder * self)

   646 {

   647     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   649     priv->ready = TRUE;

   650     gst_element_set_state(priv->pipe, GST_STATE_PLAYING);

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

   652         g_source_remove (priv->tick_id);

   653     }

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

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

   657         g_source_remove (priv->timeout_id);

   658     }

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

   660 }

   662 void

   663 g_mencoder_pause_stream(GMencoder * self)

   664 {

   665     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   667     gst_element_set_state(priv->pipe, GST_STATE_PAUSED);

   668 }

   670 void

   671 g_mencoder_close_stream(GMencoder * self)

   672 {

   674     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   676         g_source_remove(priv->tick_id);

   677         priv->tick_id = 0;

   678     }

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

   681         g_source_remove (priv->timeout_id);

   682 	priv->timeout_id = 0;

   683     }

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

   686         // TODO: fixe pipeline dispose

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

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

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

   690         //gst_object_unref (priv->pipe);

   691         //gst_object_unref(priv->src);

   692         priv->src = NULL;

   693         priv->pipe = NULL;

   694         priv->abin = NULL;

   695         priv->vbin = NULL;

   696         priv->sink = NULL;

   697     }

   698     priv->ready = FALSE;

   699 }

   701 static GstElement *

   702 _create_pipeline(GMencoder * self,

   703                  const gchar * video_encode,

   704                  const gchar * mux_name,

   705                  gchar ** video_encode_prop,

   706                  gdouble video_fps,

   707                  gdouble video_rate,

   708                  guint video_width,

   709                  guint video_height,

   710                  const gchar * audio_encode,

   711                  gchar ** audio_encode_prop, guint audio_rate,

   712 		         gboolean deinterlace)

   713 {

   714     GstBus         *bus = NULL;

   715     GstElement     *pipe = NULL;

   716     GstElement     *sink = NULL;

   717     GstElement     *mux = NULL;

   718     GstElement     *abin = NULL;

   719     GstElement     *vbin = NULL;

   720     GstElement     *queue = NULL;

   721     GstPad         *aux_pad = NULL;

   722     GstPad         *mux_pad = NULL;

   724     pipe = gst_pipeline_new("pipe");

   726     mux =

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

   728                                  "mux");

   729     if (mux == NULL)

   730         goto error;

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

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

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

   737     g_signal_connect (G_OBJECT (sink),

   738                       "handoff",

   739                       G_CALLBACK (_buffer_arrive_cb),

   740                       self);

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

   743     if (abin == NULL)

   744         goto error;

   746     vbin =

   747         _create_video_bin(video_encode, video_encode_prop, video_fps,

   748                           video_rate, video_width, video_height, deinterlace);

   749     if (vbin == NULL)

   750         goto error;

   752     // Finish Pipe

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

   756     // Link bins with mux

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

   758     mux_pad =

   759         gst_element_get_compatible_pad(mux, aux_pad,

   760                                        GST_PAD_CAPS(aux_pad));

   761     if (mux_pad == NULL) {

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

   763         goto error;

   764     }

   765     GstPadLinkReturn ret = gst_pad_link(aux_pad, mux_pad);

   766     if (ret != GST_PAD_LINK_OK) {

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

   768         goto error;

   770     }

   771     gst_object_unref(aux_pad);

   772     gst_object_unref(mux_pad);

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

   775     mux_pad =

   776         gst_element_get_compatible_pad(mux, aux_pad,

   777                                        GST_PAD_CAPS(aux_pad));

   778     if (mux_pad == NULL) {

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

   780         goto error;

   781     }

   782     ret = gst_pad_link(aux_pad, mux_pad);

   783     if (ret != GST_PAD_LINK_OK) {

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

   785         goto error;

   786     }

   787     gst_object_unref(aux_pad);

   788     gst_object_unref(mux_pad);

   789     aux_pad = NULL;

   790     mux_pad = NULL;

   792     // Link mux with sink

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

   795     bus = gst_pipeline_get_bus(GST_PIPELINE(pipe));

   796     gst_bus_add_watch(bus, _pipeline_bus_cb, self);

   797     gst_object_unref(bus);

   798     return pipe;

   800   error:

   801     g_warning("Invalid uri");

   803     if (pipe != NULL) {

   804         gst_object_unref(pipe);

   805     }

   808     if (mux != NULL) {

   809         gst_object_unref(mux);

   810     }

   812     if (mux_pad != NULL) {

   813         gst_object_unref(mux_pad);

   814     }

   816     if (aux_pad != NULL) {

   817         gst_object_unref(mux_pad);

   818     }

   820     if (sink != NULL) {

   821         gst_object_unref(sink);

   822     }

   824     if (abin != NULL) {

   825         gst_object_unref(abin);

   826     }

   828     if (vbin != NULL) {

   829         gst_object_unref(vbin);

   830     }

   832     return FALSE;

   833 }

   836 static void

   837 _close_output(GMencoder * self)

   838 {

   839 }

   841 static GstElement *

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

   843 {

   844     gchar **info;

   845     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

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

   850         return NULL;

   851     }

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

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

   855     g_object_set (G_OBJECT (priv->v4lsrc),

   856                   "channel", info[0],

   857                   "norm", info[1],

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

   859                   NULL);

   861     return priv->v4lsrc;

   862 }

   864 static GstElement *

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

   866 {

   868     GstElement     *bsrc = NULL;

   869     GstElement     *src = NULL;

   870     GstElement     *aqueue = NULL;

   871     GstElement     *vqueue = NULL;

   872     GstElement     *decode = NULL;

   873     GstPad         *src_pad = NULL;

   876     bsrc = gst_bin_new(NULL);

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

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

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

   881         g_debug ("V4L");

   882         src = _create_v4l_source (self, uri);

   883     }

   884     else {

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

   886     }

   888     if (src == NULL)

   889         goto error;

   892     if (g_getenv ("USE_DECODEBIN1"))

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

   894     else

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

   896     if (decode == NULL)

   897         goto error;

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

   900     if (aqueue == NULL)

   901         goto error;

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

   904     if (vqueue == NULL)

   905         goto error;

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

   908                      NULL);

   909     gst_element_link (src, decode);

   911     g_signal_connect(G_OBJECT(decode),

   912                      "new-decoded-pad",

   913                      G_CALLBACK(_decodebin_new_pad_cb), bsrc);

   915     g_signal_connect(G_OBJECT(decode),

   916                      "unknown-type",

   917                      G_CALLBACK(_decodebin_unknown_type_cb), pipe);

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

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

   921     gst_object_unref(src_pad);

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

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

   925     gst_object_unref(src_pad);

   927     return bsrc;

   929   error:

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

   931     if (src != NULL) {

   932         gst_object_unref(src);

   933     }

   935     if (decode != NULL) {

   936         gst_object_unref(decode);

   937     }

   939     if (aqueue != NULL) {

   940         gst_object_unref(aqueue);

   941     }

   943     if (vqueue != NULL) {

   944         gst_object_unref(vqueue);

   945     }

   947     return NULL;

   948 }

   950 static gboolean

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

   952 {

   953     gchar         **i;

   954     GnomeVFSResult result;

   955     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

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

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

   960     } else {

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

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

   963                               GNOME_VFS_PERM_USER_WRITE | GNOME_VFS_PERM_USER_READ | GNOME_VFS_PERM_GROUP_READ);

   964         } else {

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

   966                                      GNOME_VFS_OPEN_WRITE | GNOME_VFS_OPEN_TRUNCATE);

   967         }

   968     }

   970     g_strfreev(i);

   971     return (result == GNOME_VFS_OK);

   972 }

   974 static          gboolean

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

   976 {

   977     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

   979     switch (GST_MESSAGE_TYPE(msg)) {

   981     case GST_MESSAGE_STATE_CHANGED:

   982         {

   983             GstState        oldstate;

   984             GstState        newstate;

   985             GstState        pendingstate;

   988             gst_message_parse_state_changed(msg, &oldstate,

   989                                             &newstate, &pendingstate);

   991             if (pendingstate != GST_STATE_VOID_PENDING)

   992                 break;

   994             if ((oldstate == GST_STATE_READY)

   995                 && (newstate == GST_STATE_PAUSED)) {

   996                 if (priv->ready)

   997                     g_signal_emit(user_data, g_mencoder_signals[PAUSED],

   998                                   0);

   999             } else if ((oldstate == GST_STATE_PAUSED)

  1000                        && (newstate == GST_STATE_PLAYING)) {

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

  1002             } else if ((oldstate == GST_STATE_READY) &&

  1003                        (newstate == GST_STATE_NULL)) {

  1004                 g_signal_emit(user_data, g_mencoder_signals[STOPED], 0);

  1005             }

  1006             break;

  1007         }

  1009     case GST_MESSAGE_ERROR:

  1010         {

  1011             GError         *error;

  1012             gchar          *debug;

  1013             gchar          *err_str;

  1015             if (priv->tick_id != 0) {

  1016                 g_source_remove(priv->tick_id);

  1017                 priv->tick_id = 0;

  1018             }

  1020             gst_message_parse_error(msg, &error, &debug);

  1021             err_str = g_strdup_printf("Error [%d] %s (%s)", error->code,

  1022                                       error->message, debug);

  1023             priv->ready = FALSE;

  1024             g_signal_emit(user_data, g_mencoder_signals[ERROR], 0,

  1025                           err_str);

  1026             g_free(err_str);

  1027             g_clear_error(&error);

  1028             g_free(debug);

  1029             break;

  1030         }

  1032     case GST_MESSAGE_EOS:

  1033         priv->ready = FALSE;

  1034 #ifdef USE_MANUAL_SINK

  1035         _flush_queue (G_MENCODER (user_data));

  1036 #endif

  1037         g_signal_emit(user_data, g_mencoder_signals[EOS], 0);

  1038         break;

  1040     case GST_MESSAGE_DURATION:

  1041         {

  1042             GstFormat       format;

  1043             gint64          duration;

  1044             gst_message_parse_duration(msg, &format, &duration);

  1045             if (format == GST_FORMAT_BYTES)

  1046                 priv->duration = duration;

  1047             break;

  1048         }

  1049     default:

  1050         {

  1051             break;

  1052         }

  1053     }

  1054     return TRUE;

  1055 }

  1059 static void

  1060 _decodebin_new_pad_cb(GstElement * object,

  1061                       GstPad * pad, gboolean flag, gpointer user_data)

  1062 {

  1063     GstCaps        *caps;

  1064     gchar          *str_caps = NULL;

  1065     GstElement     *sink_element;

  1066     GstPad         *sink_pad;

  1068     caps = gst_pad_get_caps(pad);

  1069     str_caps = gst_caps_to_string(caps);

  1070     if (strstr(str_caps, "audio") != NULL) {

  1071         sink_element = gst_bin_get_by_name(GST_BIN(user_data), "aqueue");

  1072     } else if (strstr(str_caps, "video") != NULL) {

  1073         sink_element = gst_bin_get_by_name(GST_BIN(user_data), "vqueue");

  1074     } else {

  1075         g_warning("invalid caps %s", str_caps);

  1076     }

  1078     sink_pad = gst_element_get_pad(sink_element, "sink");

  1079     gst_pad_link(pad, sink_pad);

  1081     gst_object_unref(sink_element);

  1082     gst_object_unref(sink_pad);

  1083     g_free(str_caps);

  1084     gst_caps_unref(caps);

  1085 }

  1087 static void

  1088 _decodebin_unknown_type_cb(GstElement * object,

  1089                            GstPad * pad, GstCaps * caps,

  1090                            gpointer user_data)

  1091 {

  1092     g_warning("Unknown Type");

  1093     // priv->ready = FALSE;

  1094 }

  1096 static          gboolean

  1097 _tick_cb(gpointer user_data)

  1098 {

  1099     GstFormat       format = GST_FORMAT_BYTES;

  1100     gint64          cur = 0;

  1102     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1104     if (priv->duration == 0) {

  1105         gint64          d = 0;

  1106         if (gst_element_query_duration(priv->src, &format, &d))

  1107             priv->duration = d;

  1108     }

  1110     if (priv->duration != 0) {

  1111         gst_element_query_position(priv->src, &format, &cur);

  1112         g_print("PROGRESS:%lli\n", (99 * cur) / priv->duration);

  1113     }

  1115     return TRUE;

  1116 }

  1118 static gboolean

  1119 _process_timeout_cb (gpointer user_data)

  1120 {

  1121     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1123     g_signal_emit(user_data, g_mencoder_signals[ERROR], 0, "timeout");

  1124     priv->timeout_id = 0;

  1125     return FALSE;

  1126 }

  1129 #ifdef USE_MANUAL_SINK

  1130 static gboolean

  1131 _send_buffer (GnomeVFSHandle *handle, gpointer buff, gint size)

  1132 {

  1133     gchar *msg;

  1134     GByteArray *b_send;

  1135     GnomeVFSResult result;

  1136     GnomeVFSFileSize bytes_written;

  1138     b_send = g_byte_array_new ();

  1139     msg = g_strdup_printf ("%x\r\n", size);

  1140     b_send = g_byte_array_append (b_send, (const guint8*) msg, strlen (msg) * sizeof (gchar));

  1141     g_free (msg);

  1143     b_send = g_byte_array_append (b_send, buff, size);

  1145     msg = g_strdup ("\r\n");

  1146     b_send = g_byte_array_append (b_send, (const guint8*) msg, strlen (msg) * sizeof (gchar));

  1147     g_free (msg);

  1149     result = gnome_vfs_write (handle, b_send->data, b_send->len, &bytes_written);

  1150     g_byte_array_free (b_send, TRUE);

  1152     return (result == GNOME_VFS_OK);

  1153 }

  1155 static void

  1156 _flush_queue (GMencoder *self)

  1157 {

  1158     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

  1160     if (priv->send_chunked) {

  1161         GnomeVFSFileSize bytes_written;

  1162         gchar *end_msg;

  1163         end_msg = g_strdup ("0\r\n\r\n");

  1164         gnome_vfs_write (priv->handle,

  1165                          (const guint8*) end_msg,

  1166                          strlen(end_msg) * sizeof(gchar),

  1167                          &bytes_written);

  1168         g_free (end_msg);

  1169     }

  1170 }

  1172 static void

  1173 _buffer_arrive_cb (GstElement* object,

  1174                    GstBuffer* buff,

  1175                    GstPad* pad,

  1176                    gpointer user_data)

  1177 {

  1178     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1180     if (priv->timeout_id != 0) {

  1181 	g_source_remove (priv->timeout_id);

  1182 	priv->timeout_id = 0;

  1183     }

  1185     if (priv->send_chunked) {

  1186         if (_send_buffer (priv->handle, GST_BUFFER_DATA (buff), GST_BUFFER_SIZE (buff)) == FALSE)

  1187             goto error;

  1188     } else {

  1189         GnomeVFSResult result;

  1190         GnomeVFSFileSize bytes_written;

  1192         result = gnome_vfs_write (priv->handle,

  1193                                   GST_BUFFER_DATA (buff),

  1194                                   GST_BUFFER_SIZE (buff),

  1195                                   &bytes_written);

  1197         if (result != GNOME_VFS_OK)

  1198             goto error;

  1199     }

  1201     return;

  1203 error:

  1204     if (priv->tick_id != 0) {

  1205         g_source_remove(priv->tick_id);

  1206         priv->tick_id = 0;

  1207     }

  1208     g_signal_emit(user_data, g_mencoder_signals[ERROR], 0, "Fail to write on socket");

  1209     gst_element_set_state (priv->pipe, GST_STATE_PAUSED);

  1210 }

  1212 #endif

author	renatofilho
	Tue Jan 29 18:40:18 2008 +0000 (2008-01-29)
branch	trunk
changeset 895	4bdd0f922b68
parent 888	f1af7f8cd7d9
child 897	715f854a93cd
permissions	-rw-r--r--