gmyth: gmyth-stream/gmencoder/src/gmencoder.c@d6ec9a68363e

     1 /*

     2  *  arch-tag: Implementation gmencoder engine

     3  *

     4  *  Copyright (C) 2007 INdT - Renato Filho <renato.filho@indt.org>

     5  *

     6  *  This program is free software; you can redistribute it and/or modify

     7  *  it under the terms of the GNU General Public License as published by

     8  *  the Free Software Foundation; either version 2 of the License, or

     9  *  (at your option) any later version.

    10  *

    11  *  This program is distributed in the hope that it will be useful,

    12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14  *  GNU General Public License for more details.

    15  *

    16  *  You should have received a copy of the GNU General Public License

    17  *  along with this program; if not, write to the Free Software

    18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA.

    19  *

    20  */

    22 #ifdef HAVE_CONFIG_H

    23 #include "config.h"

    24 #endif

    26 #include <sys/stat.h>

    27 #include <fcntl.h>

    28 #include <unistd.h>

    29 #include <glib.h>

    30 #include <gst/gst.h>

    31 #include <string.h>

    32 #include <sys/types.h>

    33 #include <sys/socket.h>

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

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

    37 #include "gmencoder.h"

    39 #define G_MENCODER_GET_PRIVATE(obj) \

    40     (G_TYPE_INSTANCE_GET_PRIVATE ((obj), G_TYPE_MENCODER, GMencoderPrivate))

    42 #define USE_MANUAL_SINK

    43 #define GMENCODER_TIMEOUT	5000

    45 typedef struct _GMencoderPrivate GMencoderPrivate;

    46 typedef struct _SetupInfo SetupInfo;

    48 struct _SetupInfo {

    49     gchar          *video_encode;

    50     gchar          *mux_name;

    51     gchar         **video_encode_prop;

    52     gdouble         video_fps;

    53     gdouble         video_rate;

    54     guint           video_width;

    55     guint           video_height;

    56     gchar          *audio_encode;

    57     gchar         **audio_encode_prop;

    58     guint           audio_rate;

    59 };

    62 struct _GMencoderPrivate {

    63     GstElement     *pipe;

    64     GstElement     *abin;

    65     GstElement     *vbin;

    66     GstElement     *sink;

    67     GstElement     *src;

    69     GnomeVFSHandle  *handle;

    71     gboolean        ready;

    72     SetupInfo      *info;

    73     GstClockTime    videot;

    74     GstClockTime    audiot;

    75     gint            sources;

    76     gint            tick_id;

    77     gint64          duration;

    78     gboolean        send_chunked;

    79     gint 	    timeout_id;

    81     //V4l info

    82     GstElement *v4lsrc;

    83     gchar *channel;

    84     gchar *norm;

    85     glong frequency;

    86 };

    88 enum {

    89     PAUSED,

    90     PLAYING,

    91     STOPED,

    92     EOS,

    93     ERROR,

    94     LAST_SIGNAL

    95 };

    97 static void     g_mencoder_class_init(GMencoderClass * klass);

    98 static void     g_mencoder_init(GMencoder * object);

    99 static void     g_mencoder_dispose(GObject * object);

   100 static void     g_mencoder_finalize(GObject * object);

   101 static GstElement *_create_audio_bin(const gchar * encode,

   102                                      gchar ** encode_prop, gint rate);

   103 static GstElement *_create_video_bin(const gchar * encode,

   104                                      gchar ** encode_prop,

   105                                      gdouble fps,

   106                                      gint rate, guint width, guint height,

   107                                      gboolean use_deinterlace);

   109 static          gboolean

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

   112 static void     _decodebin_new_pad_cb(GstElement * object,

   113                                       GstPad * pad,

   114                                       gboolean flag, gpointer user_data);

   116 static void     _decodebin_unknown_type_cb(GstElement * object,

   117                                            GstPad * pad,

   118                                            GstCaps * caps,

   119                                            gpointer user_data);

   121 static void     _close_output(GMencoder * self);

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

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

   125 static GstElement *_create_pipeline(GMencoder * self,

   126                                     const gchar * video_encode,

   127                                     const gchar * mux_name,

   128                                     gchar ** video_encode_prop,

   129                                     gdouble video_fps,

   130                                     gdouble video_rate,

   131                                     guint video_width,

   132                                     guint video_height,

   133                                     const gchar * audio_encode,

   134                                     gchar ** audio_encode_prop,

   135                                     guint audio_rate,

   136 				    gboolean deinterlace);

   137 static gboolean	_process_timeout_cb (gpointer user_data);

   138 #ifdef USE_MANUAL_SINK

   139 static void _flush_queue	        (GMencoder *self);

   140 static void _buffer_arrive_cb       (GstElement* object,

   141                                      GstBuffer* buff,

   142                                      GstPad* pad,

   143                                      gpointer user_data);

   144 #endif

   147 static gboolean _tick_cb(gpointer data);

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

   151 G_DEFINE_TYPE(GMencoder, g_mencoder, G_TYPE_OBJECT)

   153 static void     g_mencoder_class_init(GMencoderClass * klass)

   154 {

   155     GObjectClass   *object_class;

   156     object_class = (GObjectClass *) klass;

   157     g_type_class_add_private(klass, sizeof(GMencoderPrivate));

   159     object_class->dispose = g_mencoder_dispose;

   160     object_class->finalize = g_mencoder_finalize;

   162     g_mencoder_signals[PAUSED] =

   163         g_signal_new("paused",

   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[PLAYING] =

   170         g_signal_new("playing",

   171                      G_OBJECT_CLASS_TYPE(object_class),

   172                      G_SIGNAL_RUN_FIRST,

   173                      0, NULL, NULL,

   174                      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

   176     g_mencoder_signals[STOPED] =

   177         g_signal_new("stoped",

   178                      G_OBJECT_CLASS_TYPE(object_class),

   179                      G_SIGNAL_RUN_FIRST,

   180                      0, NULL, NULL,

   181                      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

   183     g_mencoder_signals[EOS] =

   184         g_signal_new("eos",

   185                      G_OBJECT_CLASS_TYPE(object_class),

   186                      G_SIGNAL_RUN_FIRST,

   187                      0, NULL, NULL,

   188                      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

   190     g_mencoder_signals[ERROR] =

   191         g_signal_new("error",

   192                      G_OBJECT_CLASS_TYPE(object_class),

   193                      G_SIGNAL_RUN_LAST,

   194                      0, NULL, NULL,

   195                      g_cclosure_marshal_VOID__STRING,

   196                      G_TYPE_NONE, 1, G_TYPE_STRING);

   197 }

   199 static void

   200 g_mencoder_init(GMencoder * self)

   201 {

   202     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   204 }

   206 static void

   207 g_mencoder_dispose(GObject * object)

   208 {

   209 }

   211 static void

   212 g_mencoder_finalize(GObject * object)

   213 {

   214     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(object);

   216     // TODO: clear vars

   217     g_mencoder_close_stream(G_MENCODER(object));

   218     g_free (priv->info);

   219 }

   221 GMencoder      *

   222 g_mencoder_new(void)

   223 {

   224     return g_object_new(G_TYPE_MENCODER, NULL);

   225 }

   228 static void

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

   230               const gchar * prop_val)

   231 {

   232     GValue          p = { 0 };

   233     GValue          v = { 0 };

   234     GParamSpec     *s = NULL;

   235     GObjectClass   *k = G_OBJECT_GET_CLASS(obj);

   238     g_value_init(&v, G_TYPE_STRING);

   239     g_value_set_string(&v, prop_val);

   241     s = g_object_class_find_property(k, prop_name);

   242     if (s == NULL) {

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

   244         return;

   245     }

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

   248     switch (s->value_type) {

   249     case G_TYPE_INT:

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

   251         break;

   252     case G_TYPE_UINT:

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

   254         break;

   255     case G_TYPE_ULONG:

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

   257         break;

   258     case G_TYPE_STRING:

   259         g_value_set_string(&p, prop_val);

   260         break;

   261     case G_TYPE_BOOLEAN:

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

   263         break;

   264     case G_TYPE_DOUBLE:

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

   266         break;

   267     case G_TYPE_FLOAT:

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

   269         break;

   270     default:

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

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

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

   274         return;

   275     }

   277     g_object_set_property(obj, prop_name, &p);

   278     g_value_unset(&v);

   279     g_value_unset(&p);

   280 }

   282 static GstElement *

   283 _create_element_with_prop(const gchar * factory_name,

   284                           const gchar * element_name, gchar ** prop)

   285 {

   286     GstElement     *ret;

   287     int             i;

   289     ret = gst_element_factory_make(factory_name, element_name);

   290     if (ret == NULL)

   291         return NULL;

   293     if (prop != NULL) {

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

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

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

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

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

   299                 }

   300                 g_strfreev(v);

   301             }

   302         }

   303     }

   305     return ret;

   307 }

   309 static GstElement *

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

   311 {

   312     GstElement     *abin = NULL;

   313     GstElement     *aqueue = NULL;

   314     GstElement     *aconvert = NULL;

   315     GstElement     *aencode = NULL;

   316     GstElement     *aqueue_src = NULL;

   317     GstPad         *apad = NULL;

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

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

   321     abin = gst_bin_new("abin");

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

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

   324     aencode =

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

   326                                   encode_prop);

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

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

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

   331         g_warning("Audio elements not found");

   332         goto error;

   333     }

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

   338                      NULL);

   340     if (!gst_element_link (aqueue, aconvert))

   341     {

   342         g_warning("Not Link audio elements");

   343         goto error;

   344     }

   346     if (rate > 0) {

   347         GstCaps *caps;

   349         caps = gst_caps_new_simple ("audio/x-raw-int",

   350                                     "rate", G_TYPE_INT, rate, NULL);

   351         if (!gst_element_link_filtered (aconvert, aencode, caps))

   352         {

   353             gst_caps_unref (caps);

   354             g_warning("Not link rate filter");

   355             goto error;

   356         }

   358         gst_caps_unref (caps);

   359     }

   360     else

   361     {

   362         if (!gst_element_link (aconvert, aencode))

   363         {

   364             g_warning ("Fail to link audio elements");

   365             goto error;

   366         }

   367     }

   370     if (!gst_element_link (aencode, aqueue_src))

   371     {

   372         g_warning("Not Link audio elements");

   373         goto error;

   374     }

   375     // TODO: apply audio rate

   377     // ghost pad the audio bin

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

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

   380     gst_object_unref(apad);

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

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

   384     gst_object_unref(apad);

   386     return abin;

   387   error:

   388     if (abin != NULL)

   389         gst_object_unref(abin);

   391     if (aqueue != NULL)

   392         gst_object_unref(aqueue);

   394     if (aconvert != NULL)

   395         gst_object_unref(aconvert);

   397     if (aencode != NULL)

   398         gst_object_unref(aencode);

   400     if (aqueue_src != NULL)

   401         gst_object_unref(aqueue_src);

   403     if (apad != NULL)

   404         gst_object_unref(apad);

   406     return NULL;

   407 }

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

   413 // ! rate ! encode ! queue

   414 static GstElement *

   415 _create_video_bin(const gchar * encode,

   416                   gchar ** encode_prop,

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

   418                   gboolean use_deinterlace)

   419 {

   420     GstElement     *vbin = NULL;

   421     GstElement     *vqueue = NULL;

   422     GstElement     *vqueue_src = NULL;

   423     GstElement     *vcolorspace = NULL;

   424     GstElement     *vencode = NULL;

   425     GstElement     *vrate = NULL;

   426     GstElement     *deinterlace = NULL;

   427     GstElement     *walk = NULL;

   428     GstPad         *vpad = NULL;

   430     vbin = gst_bin_new("vbin");

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

   432     vcolorspace =

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

   435     if (use_deinterlace) {

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

   437         if (deinterlace == NULL) {

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

   439         }

   440     }

   443     vencode = _create_element_with_prop((encode !=

   444                                          NULL ? encode :

   445                                          "ffenc_mpeg1video"), "vencode",

   446                                         encode_prop);

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

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

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

   451         g_warning("Video elements not found");

   452         goto error;

   453     }

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

   456                      vqueue_src, NULL);

   458     if (deinterlace != NULL) {

   459         gst_bin_add(GST_BIN(vbin), deinterlace);

   460         gst_element_link (vqueue, deinterlace);

   461         walk = deinterlace;

   462     } else {

   463         walk = vqueue;

   464     }

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

   467         // Scalling video

   468         GstCaps        *vcaps;

   469         GstElement     *vscale;

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

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

   473         gst_bin_add(GST_BIN(vbin), vscale);

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

   476                                     "width", G_TYPE_INT, width,

   477                                     "height", G_TYPE_INT, height, NULL);

   479         gst_element_link(walk, vscale);

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

   482             g_warning("Fail to resize video");

   483             gst_object_unref(vcaps);

   484             gst_object_unref(vscale);

   485             goto error;

   486         }

   487         gst_caps_unref(vcaps);

   488     } else {

   489         gst_element_link(walk, vcolorspace);

   490     }

   492     if (fps > 0) {

   493         // Changing the video fps

   494         GstCaps        *vcaps;

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

   497         gst_bin_add(GST_BIN(vbin), vrate);

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

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

   501             goto error;

   502         }

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

   505                                     "framerate", GST_TYPE_FRACTION,

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

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

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

   510             goto error;

   511         }

   512         gst_caps_unref(vcaps);

   513     } else {

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

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

   516             goto error;

   517         }

   518     }

   520     gst_element_link(vencode, vqueue_src);

   522     // ghost pad the video bin

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

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

   525     gst_object_unref(vpad);

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

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

   529     gst_object_unref(vpad);

   531     return vbin;

   533   error:

   534     if (vpad != NULL)

   535         gst_object_unref(vpad);

   537     if (vbin != NULL)

   538         gst_object_unref(vbin);

   540     if (vqueue != NULL)

   541         gst_object_unref(vqueue);

   543     if (vencode != NULL)

   544         gst_object_unref(vencode);

   546     if (vqueue_src != NULL)

   547         gst_object_unref(vqueue_src);

   549     if (vcolorspace != NULL)

   550         gst_object_unref(vcolorspace);

   552     return NULL;

   553 }

   557 gboolean

   558 g_mencoder_setup_stream(GMencoder * self,

   559 			gboolean chunked,

   560 			gboolean deinterlace,

   561                         const gchar * mux_name,

   562                         const gchar * video_encode,

   563                         gchar ** video_encode_prop,

   564                         gdouble video_fps,

   565                         gdouble video_rate,

   566                         guint video_width,

   567                         guint video_height,

   568                         const gchar * audio_encode,

   569                         gchar ** audio_encode_prop,

   570                         guint audio_rate, const gchar * out_uri)

   571 {

   572     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   574         g_warning

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

   576         return FALSE;

   577     }

   579     _close_output(self);

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

   581         return FALSE;

   582     }

   584     priv->sources = 0;

   585     priv->send_chunked = chunked;

   586     priv->pipe = _create_pipeline(self,

   587                                   video_encode,

   588                                   mux_name,

   589                                   video_encode_prop,

   590                                   video_fps,

   591                                   video_rate,

   592                                   video_width,

   593                                   video_height,

   594                                   audio_encode, audio_encode_prop,

   595                                   audio_rate,

   596                                   deinterlace);

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

   599 }

   602 gboolean

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

   604 {

   605     GstPad         *pad_src;

   606     GstPad         *pad_sink;

   607     GstElement     *src;

   608     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

   609     gboolean        ret = FALSE;

   610     GstElement     *ap = NULL;

   611     GstElement     *vp = NULL;

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

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

   617     src = _create_source(self, uri);

   618     if (src == NULL)

   619         return FALSE;

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

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

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

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

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

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

   630         goto error;

   631     }

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

   634     pad_sink = gst_element_get_compatible_pad(ap,

   635                                               pad_src,

   636                                               gst_pad_get_caps(pad_src));

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

   639         goto error;

   641     GstPadLinkReturn lret = gst_pad_link(pad_src, pad_sink);

   642     if (lret != GST_PAD_LINK_OK)

   643         goto error;

   645     gst_object_unref(pad_src);

   646     gst_object_unref(pad_sink);

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

   649     pad_sink = gst_element_get_compatible_pad(vp,

   650                                               pad_src,

   651                                               gst_pad_get_caps(pad_src));

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

   654         goto error;

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

   657         g_warning("invalid source. video");

   658         goto error;

   659     }

   661     priv->sources++;

   662     ret = TRUE;

   663   error:

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

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

   667         gst_object_unref(src);

   668     }

   670     if (ap != NULL)

   671         gst_object_unref(ap);

   673     if (vp != NULL)

   674         gst_object_unref(vp);

   676     if (pad_src != NULL)

   677         gst_object_unref(pad_src);

   679     if (pad_sink != NULL)

   680         gst_object_unref(pad_sink);

   682     return ret;

   683 }

   687 void

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

   689 {

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

   691     // TODO: remove src

   692 }

   694 void

   695 g_mencoder_play_stream(GMencoder * self)

   696 {

   697     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   699     priv->ready = TRUE;

   700     gst_element_set_state(priv->pipe, GST_STATE_PLAYING);

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

   702         g_source_remove (priv->tick_id);

   703     }

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

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

   707         g_source_remove (priv->timeout_id);

   708     }

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

   710 }

   712 void

   713 g_mencoder_pause_stream(GMencoder * self)

   714 {

   715     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   717     gst_element_set_state(priv->pipe, GST_STATE_PAUSED);

   718 }

   720 void

   721 g_mencoder_close_stream(GMencoder * self)

   722 {

   724     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

   726         g_source_remove(priv->tick_id);

   727         priv->tick_id = 0;

   728     }

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

   731         g_source_remove (priv->timeout_id);

   732 	priv->timeout_id = 0;

   733     }

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

   736         // TODO: fixe pipeline dispose

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

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

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

   740         //gst_object_unref (priv->pipe);

   741         //gst_object_unref(priv->src);

   742         priv->src = NULL;

   743         priv->pipe = NULL;

   744         priv->abin = NULL;

   745         priv->vbin = NULL;

   746         priv->sink = NULL;

   747     }

   748     priv->ready = FALSE;

   749 }

   751 static GstElement *

   752 _create_pipeline(GMencoder * self,

   753                  const gchar * video_encode,

   754                  const gchar * mux_name,

   755                  gchar ** video_encode_prop,

   756                  gdouble video_fps,

   757                  gdouble video_rate,

   758                  guint video_width,

   759                  guint video_height,

   760                  const gchar * audio_encode,

   761                  gchar ** audio_encode_prop, guint audio_rate,

   762 		         gboolean deinterlace)

   763 {

   764     GstBus         *bus = NULL;

   765     GstElement     *pipe = NULL;

   766     GstElement     *sink = NULL;

   767     GstElement     *mux = NULL;

   768     GstElement     *abin = NULL;

   769     GstElement     *vbin = NULL;

   770     GstElement     *queue = NULL;

   771     GstPad         *aux_pad = NULL;

   772     GstPad         *mux_pad = NULL;

   774     pipe = gst_pipeline_new("pipe");

   776     mux =

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

   778                                  "mux");

   779     if (mux == NULL)

   780         goto error;

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

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

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

   787     g_signal_connect (G_OBJECT (sink),

   788                       "handoff",

   789                       G_CALLBACK (_buffer_arrive_cb),

   790                       self);

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

   793     if (abin == NULL)

   794         goto error;

   796     vbin =

   797         _create_video_bin(video_encode, video_encode_prop, video_fps,

   798                           video_rate, video_width, video_height, deinterlace);

   799     if (vbin == NULL)

   800         goto error;

   802     // Finish Pipe

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

   806     // Link bins with mux

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

   808     mux_pad =

   809         gst_element_get_compatible_pad(mux, aux_pad,

   810                                        GST_PAD_CAPS(aux_pad));

   811     if (mux_pad == NULL) {

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

   813         goto error;

   814     }

   815     GstPadLinkReturn ret = gst_pad_link(aux_pad, mux_pad);

   816     if (ret != GST_PAD_LINK_OK) {

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

   818         goto error;

   820     }

   821     gst_object_unref(aux_pad);

   822     gst_object_unref(mux_pad);

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

   825     mux_pad =

   826         gst_element_get_compatible_pad(mux, aux_pad,

   827                                        GST_PAD_CAPS(aux_pad));

   828     if (mux_pad == NULL) {

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

   830         goto error;

   831     }

   832     ret = gst_pad_link(aux_pad, mux_pad);

   833     if (ret != GST_PAD_LINK_OK) {

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

   835         goto error;

   836     }

   837     gst_object_unref(aux_pad);

   838     gst_object_unref(mux_pad);

   839     aux_pad = NULL;

   840     mux_pad = NULL;

   842     // Link mux with sink

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

   845     bus = gst_pipeline_get_bus(GST_PIPELINE(pipe));

   846     gst_bus_add_watch(bus, _pipeline_bus_cb, self);

   847     gst_object_unref(bus);

   848     return pipe;

   850   error:

   851     g_warning("Invalid uri");

   853     if (pipe != NULL) {

   854         gst_object_unref(pipe);

   855     }

   858     if (mux != NULL) {

   859         gst_object_unref(mux);

   860     }

   862     if (mux_pad != NULL) {

   863         gst_object_unref(mux_pad);

   864     }

   866     if (aux_pad != NULL) {

   867         gst_object_unref(mux_pad);

   868     }

   870     if (sink != NULL) {

   871         gst_object_unref(sink);

   872     }

   874     if (abin != NULL) {

   875         gst_object_unref(abin);

   876     }

   878     if (vbin != NULL) {

   879         gst_object_unref(vbin);

   880     }

   882     return FALSE;

   883 }

   886 static void

   887 _close_output(GMencoder * self)

   888 {

   889 }

   891 static GstElement *

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

   893 {

   894     gchar **info;

   895     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

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

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

   900         return NULL;

   901     }

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

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

   905     g_object_set (G_OBJECT (priv->v4lsrc),

   906                   "channel", info[0],

   907                   "norm", info[1],

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

   909                   NULL);

   911     return priv->v4lsrc;

   912 }

   914 static GstElement *

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

   916 {

   918     GstElement     *bsrc = NULL;

   919     GstElement     *src = NULL;

   920     GstElement     *aqueue = NULL;

   921     GstElement     *vqueue = NULL;

   922     GstElement     *decode = NULL;

   923     GstPad         *src_pad = NULL;

   926     bsrc = gst_bin_new(NULL);

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

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

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

   931         g_debug ("V4L");

   932         src = _create_v4l_source (self, uri);

   933     }

   934     else {

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

   936     }

   938     if (src == NULL)

   939         goto error;

   942     if (g_getenv ("USE_DECODEBIN1"))

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

   944     else

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

   946     if (decode == NULL)

   947         goto error;

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

   950     if (aqueue == NULL)

   951         goto error;

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

   954     if (vqueue == NULL)

   955         goto error;

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

   958                      NULL);

   959     gst_element_link (src, decode);

   961     g_signal_connect(G_OBJECT(decode),

   962                      "new-decoded-pad",

   963                      G_CALLBACK(_decodebin_new_pad_cb), bsrc);

   965     g_signal_connect(G_OBJECT(decode),

   966                      "unknown-type",

   967                      G_CALLBACK(_decodebin_unknown_type_cb), pipe);

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

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

   971     gst_object_unref(src_pad);

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

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

   975     gst_object_unref(src_pad);

   977     return bsrc;

   979   error:

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

   981     if (src != NULL) {

   982         gst_object_unref(src);

   983     }

   985     if (decode != NULL) {

   986         gst_object_unref(decode);

   987     }

   989     if (aqueue != NULL) {

   990         gst_object_unref(aqueue);

   991     }

   993     if (vqueue != NULL) {

   994         gst_object_unref(vqueue);

   995     }

   997     return NULL;

   998 }

  1000 static gboolean

  1001 _open_output(GMencoder * self, const gchar * uri)

  1002 {

  1003     gchar         **i;

  1004     GnomeVFSResult result;

  1005     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

  1007     i = g_strsplit(uri, "://", 0);

  1008     if (strcmp(i[0], "fd") == 0) {

  1009         result = gnome_vfs_open_fd (&priv->handle, atoi(i[1]));

  1010     } else {

  1011         if (g_file_test (i[1], G_FILE_TEST_EXISTS) == FALSE) {

  1012             result = gnome_vfs_create (&priv->handle, uri, GNOME_VFS_OPEN_WRITE, FALSE,

  1013                               GNOME_VFS_PERM_USER_WRITE | GNOME_VFS_PERM_USER_READ | GNOME_VFS_PERM_GROUP_READ);

  1014         } else {

  1015             result = gnome_vfs_open (&priv->handle, uri,

  1016                                      GNOME_VFS_OPEN_WRITE | GNOME_VFS_OPEN_TRUNCATE);

  1017         }

  1018     }

  1020     g_strfreev(i);

  1021     return (result == GNOME_VFS_OK);

  1022 }

  1024 static          gboolean

  1025 _pipeline_bus_cb(GstBus * bus, GstMessage * msg, gpointer user_data)

  1026 {

  1027     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1029     switch (GST_MESSAGE_TYPE(msg)) {

  1031     case GST_MESSAGE_STATE_CHANGED:

  1032         {

  1033             GstState        oldstate;

  1034             GstState        newstate;

  1035             GstState        pendingstate;

  1038             gst_message_parse_state_changed(msg, &oldstate,

  1039                                             &newstate, &pendingstate);

  1041             if (pendingstate != GST_STATE_VOID_PENDING)

  1042                 break;

  1044             if ((oldstate == GST_STATE_READY)

  1045                 && (newstate == GST_STATE_PAUSED)) {

  1046                 if (priv->ready)

  1047                     g_signal_emit(user_data, g_mencoder_signals[PAUSED],

  1048                                   0);

  1049             } else if ((oldstate == GST_STATE_PAUSED)

  1050                        && (newstate == GST_STATE_PLAYING)) {

  1051                 g_signal_emit(user_data, g_mencoder_signals[PLAYING], 0);

  1052             } else if ((oldstate == GST_STATE_READY) &&

  1053                        (newstate == GST_STATE_NULL)) {

  1054                 g_signal_emit(user_data, g_mencoder_signals[STOPED], 0);

  1055             }

  1056             break;

  1057         }

  1059     case GST_MESSAGE_ERROR:

  1060         {

  1061             GError         *error;

  1062             gchar          *debug;

  1063             gchar          *err_str;

  1065             if (priv->tick_id != 0) {

  1066                 g_source_remove(priv->tick_id);

  1067                 priv->tick_id = 0;

  1068             }

  1070             gst_message_parse_error(msg, &error, &debug);

  1071             err_str = g_strdup_printf("Error [%d] %s (%s)", error->code,

  1072                                       error->message, debug);

  1073             priv->ready = FALSE;

  1074             /*

  1075             g_signal_emit(user_data, g_mencoder_signals[ERROR], 0,

  1076                           err_str);

  1077                           */

  1078             g_free(err_str);

  1079             g_clear_error(&error);

  1080             g_free(debug);

  1081             break;

  1082         }

  1084     case GST_MESSAGE_EOS:

  1085         priv->ready = FALSE;

  1086 #ifdef USE_MANUAL_SINK

  1087         _flush_queue (G_MENCODER (user_data));

  1088 #endif

  1089         g_signal_emit(user_data, g_mencoder_signals[EOS], 0);

  1090         break;

  1092     case GST_MESSAGE_DURATION:

  1093         {

  1094             GstFormat       format;

  1095             gint64          duration;

  1096             gst_message_parse_duration(msg, &format, &duration);

  1097             if (format == GST_FORMAT_BYTES)

  1098                 priv->duration = duration;

  1099             break;

  1100         }

  1101     default:

  1102         {

  1103             break;

  1104         }

  1105     }

  1106     return TRUE;

  1107 }

  1111 static void

  1112 _decodebin_new_pad_cb(GstElement * object,

  1113                       GstPad * pad, gboolean flag, gpointer user_data)

  1114 {

  1115     GstCaps        *caps;

  1116     gchar          *str_caps = NULL;

  1117     GstElement     *sink_element;

  1118     GstPad         *sink_pad;

  1120     caps = gst_pad_get_caps(pad);

  1121     str_caps = gst_caps_to_string(caps);

  1122     if (strstr(str_caps, "audio") != NULL) {

  1123         sink_element = gst_bin_get_by_name(GST_BIN(user_data), "aqueue");

  1124     } else if (strstr(str_caps, "video") != NULL) {

  1125         sink_element = gst_bin_get_by_name(GST_BIN(user_data), "vqueue");

  1126     } else {

  1127         g_warning("invalid caps %s", str_caps);

  1128     }

  1130     sink_pad = gst_element_get_pad(sink_element, "sink");

  1131     if (!gst_pad_is_linked (sink_pad))

  1132         gst_pad_link(pad, sink_pad);

  1134     gst_object_unref(sink_element);

  1135     gst_object_unref(sink_pad);

  1136     g_free(str_caps);

  1137     gst_caps_unref(caps);

  1138 }

  1140 static void

  1141 _decodebin_unknown_type_cb(GstElement * object,

  1142                            GstPad * pad, GstCaps * caps,

  1143                            gpointer user_data)

  1144 {

  1145     g_warning("Unknown Type");

  1146     // priv->ready = FALSE;

  1147 }

  1149 static          gboolean

  1150 _tick_cb(gpointer user_data)

  1151 {

  1152     GstFormat       format = GST_FORMAT_BYTES;

  1153     gint64          cur = 0;

  1155     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1157     if (priv->duration == 0) {

  1158         gint64          d = 0;

  1159         if (gst_element_query_duration(priv->src, &format, &d))

  1160             priv->duration = d;

  1161     }

  1163     if (priv->duration != 0) {

  1164         gst_element_query_position(priv->src, &format, &cur);

  1165         g_print("PROGRESS:%lli\n", (99 * cur) / priv->duration);

  1166     }

  1168     return TRUE;

  1169 }

  1171 static gboolean

  1172 _process_timeout_cb (gpointer user_data)

  1173 {

  1174     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1176     g_signal_emit(user_data, g_mencoder_signals[ERROR], 0, "timeout");

  1177     priv->timeout_id = 0;

  1178     return FALSE;

  1179 }

  1182 #ifdef USE_MANUAL_SINK

  1183 static gboolean

  1184 _send_buffer (GnomeVFSHandle *handle, gpointer buff, gint size)

  1185 {

  1186     gchar *msg;

  1187     GByteArray *b_send;

  1188     GnomeVFSResult result;

  1189     GnomeVFSFileSize bytes_written;

  1191     b_send = g_byte_array_new ();

  1192     msg = g_strdup_printf ("%x\r\n", size);

  1193     b_send = g_byte_array_append (b_send, (const guint8*) msg, strlen (msg) * sizeof (gchar));

  1194     g_free (msg);

  1196     b_send = g_byte_array_append (b_send, buff, size);

  1198     msg = g_strdup ("\r\n");

  1199     b_send = g_byte_array_append (b_send, (const guint8*) msg, strlen (msg) * sizeof (gchar));

  1200     g_free (msg);

  1202     result = gnome_vfs_write (handle, b_send->data, b_send->len, &bytes_written);

  1203     g_byte_array_free (b_send, TRUE);

  1205     return (result == GNOME_VFS_OK);

  1206 }

  1208 static void

  1209 _flush_queue (GMencoder *self)

  1210 {

  1211     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);

  1213     if (priv->send_chunked) {

  1214         GnomeVFSFileSize bytes_written;

  1215         gchar *end_msg;

  1216         end_msg = g_strdup ("0\r\n\r\n");

  1217         gnome_vfs_write (priv->handle,

  1218                          (const guint8*) end_msg,

  1219                          strlen(end_msg) * sizeof(gchar),

  1220                          &bytes_written);

  1221         g_free (end_msg);

  1222     }

  1223 }

  1225 static void

  1226 _buffer_arrive_cb (GstElement* object,

  1227                    GstBuffer* buff,

  1228                    GstPad* pad,

  1229                    gpointer user_data)

  1230 {

  1231     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(user_data);

  1233     if (priv->timeout_id != 0) {

  1234 	g_source_remove (priv->timeout_id);

  1235 	priv->timeout_id = 0;

  1236     }

  1238     if (priv->send_chunked) {

  1239         if (_send_buffer (priv->handle, GST_BUFFER_DATA (buff), GST_BUFFER_SIZE (buff)) == FALSE)

  1240             goto error;

  1241     } else {

  1242         GnomeVFSResult result;

  1243         GnomeVFSFileSize bytes_written;

  1245         result = gnome_vfs_write (priv->handle,

  1246                                   GST_BUFFER_DATA (buff),

  1247                                   GST_BUFFER_SIZE (buff),

  1248                                   &bytes_written);

  1250         if (result != GNOME_VFS_OK)

  1251             goto error;

  1252     }

  1254     return;

  1256 error:

  1257     if (priv->tick_id != 0) {

  1258         g_source_remove(priv->tick_id);

  1259         priv->tick_id = 0;

  1260     }

  1261     g_signal_emit(user_data, g_mencoder_signals[ERROR], 0, "Fail to write on socket");

  1262     gst_element_set_state (priv->pipe, GST_STATE_PAUSED);

  1263 }

  1265 #endif

author	renatofilho
	Thu Jan 31 13:19:29 2008 +0000 (2008-01-31)
branch	trunk
changeset 901	d6ec9a68363e
parent 897	715f854a93cd
child 905	d2d226b5a4bd
permissions	-rw-r--r--