gmyth: gmyth-stream/gmencoder/tests/main.c@fe307d0f75bd

     1 #include <sys/stat.h>

     2 #include <fcntl.h>

     3 #include <unistd.h>

     4 #include <string.h>

     6 #include <gst/gst.h>

     7 #include <glib.h>

    10 static GMainLoop *mainloop = NULL;

    11 static gint64   d = 0;

    12 static gint64   gap = 10;

    14 typedef enum {

    15     MY_STREAM_TYPE_AUDIO = 0,

    16     MY_STREAM_TYPE_VIDEO = 1

    17 } MyStreamType;

    19 typedef struct _StreamData StreamData;

    20 struct _StreamData {

    21     GstElement     *bin;

    22     MyStreamType    type;

    23 };

    25 static void

    26 _stream_decode_pad_added_cb(GstElement * decode,

    27                             GstPad * pad, gboolean arg1,

    28                             gpointer user_data)

    29 {

    30     StreamData     *data = (StreamData *) user_data;

    31     GstElement     *queue;

    32     GstPad         *sink_pad;

    33     GstCaps        *caps = gst_pad_get_caps(pad);

    34     gchar          *str_caps = gst_caps_to_string(caps);

    36     g_debug("decode caps: [%d] [%s]", data->type, str_caps);

    38     switch (data->type) {

    39     case MY_STREAM_TYPE_AUDIO:

    40         g_debug("Audio");

    41         if (strstr(str_caps, "audio") == NULL)

    42             goto done;

    43         break;

    44     case MY_STREAM_TYPE_VIDEO:

    45         g_debug("Video");

    46         if (strstr(str_caps, "video") == NULL)

    47             goto done;

    48         break;

    49     }

    51     queue = gst_bin_get_by_name(GST_BIN(data->bin), "queue");

    52     sink_pad = gst_element_get_pad(queue, "sink");

    54     if (gst_pad_link(pad, sink_pad) != GST_PAD_LINK_OK) {

    55         g_warning("Failed to link decode");

    56     }

    58     gst_object_unref(queue);

    59     gst_object_unref(sink_pad);

    60     // g_free (data);

    61     g_debug("Linked");

    63   done:

    64     gst_caps_unref(caps);

    65     g_free(str_caps);

    66 }

    69 static GstElement *

    70 _create_src_element(const gchar * name,

    71                     const gchar * uri, MyStreamType type, guint priority)

    72 {

    73     StreamData     *data;

    74     GstElement     *bin;

    75     GstElement     *src;

    76     GstElement     *decode;

    77     GstElement     *queue;

    78     GstPad         *src_pad;

    80     GstElement     *gnl_src;

    82     g_debug("element from uri: %s", uri);

    84     bin = gst_bin_new("bin");

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

    86     g_return_val_if_fail(src != NULL, NULL);

    88     decode = gst_element_factory_make("decodebin", NULL);

    89     g_return_val_if_fail(decode != NULL, NULL);

    91     queue = gst_element_factory_make("queue", "queue");

    92     g_return_val_if_fail(queue != NULL, NULL);

    94     gst_bin_add_many(GST_BIN(bin), src, decode, queue, NULL);

    95     gst_element_link(src, decode);

    97     data = g_new0(StreamData, 1);

    98     data->bin = bin;

    99     data->type = type;

   100     g_debug("Type : %d = %d", type, data->type);

   102     g_signal_connect(G_OBJECT(decode), "new-decoded-pad",

   103                      G_CALLBACK(_stream_decode_pad_added_cb), data);

   106     src_pad = gst_element_get_pad(queue, "src");

   107     g_return_val_if_fail(src_pad != NULL, NULL);

   109     gst_element_add_pad(bin, gst_ghost_pad_new("src", src_pad));

   111     gst_object_unref(src_pad);

   113     gnl_src = gst_element_factory_make("gnlsource", name);

   114     g_return_val_if_fail(gnl_src != NULL, NULL);

   115     gst_bin_add(GST_BIN(gnl_src), bin);

   117     g_debug("ADDING WITH: START [%lli] DUR [%lli]", d, gap);

   118     if (d == 0) {

   119         g_object_set(G_OBJECT(gnl_src),

   120                      // "start", 0L,

   121                      "duration", 10 * GST_SECOND,

   122                      // "media-start", 0L,

   123                      // "media-duration", 10 * GST_SECOND,

   124                      "priority", priority, NULL);

   126     } else {

   127         g_object_set(G_OBJECT(gnl_src),

   128                      "start", 10 * GST_SECOND, "duration", 10 * GST_SECOND,

   129                      // /"media-start", 10 * GST_SECOND,

   130                      // "media-duration", 10 * GST_SECOND,

   131                      "priority", priority, NULL);

   133     }

   134     d++;

   136     return gnl_src;

   137 }

   139 static void

   140 _composition_pad_added_cb(GstElement * composition,

   141                           GstPad * pad, gpointer data)

   142 {

   143     GstPad         *sink_pad =

   144         gst_element_get_pad(GST_ELEMENT(data), "sink");

   145     g_debug("compose pad added");

   147     if (gst_pad_link(pad, sink_pad) != GST_PAD_LINK_OK) {

   148         g_warning("Failed to link decode");

   149     }

   151     g_debug("Linked ok");

   152 }

   154 static void

   155 _compose_add_file(GstElement * compose,

   156                   const gchar * e_name,

   157                   const gchar * uri, MyStreamType type, guint priority)

   158 {

   159     GstElement     *src;

   161     src = _create_src_element(e_name, uri, type, priority);

   162     gst_bin_add(GST_BIN(compose), src);

   163 }

   166 int

   167 main(int argc, char **argv)

   168 {

   169     GstElement     *pipe;

   170     GstElement     *gnl_compose_a;

   171     GstElement     *gnl_compose_v;

   172     GstElement     *asink;

   173     GstElement     *vsink;

   174     GstElement     *aqueue;

   175     GstElement     *vqueue;

   177     g_type_init();

   178     gst_init(&argc, &argv);

   180     mainloop = g_main_loop_new(NULL, FALSE);

   182     pipe = gst_pipeline_new("test_pipeline");

   184     gnl_compose_a = gst_element_factory_make("gnlcomposition", "acompose");

   185     g_return_val_if_fail(gnl_compose_a != NULL, 1);

   187     gnl_compose_v = gst_element_factory_make("gnlcomposition", "vcompose");

   188     g_return_val_if_fail(gnl_compose_v != NULL, 1);

   191     // _compose_add_file (gnl_compose_a, "src0", argv[1],

   192     // MY_STREAM_TYPE_AUDIO, 1);

   193     // _compose_add_file (gnl_compose_a, "src1", argv[2],

   194     // MY_STREAM_TYPE_AUDIO, 1);

   196     d = 0;

   198     _compose_add_file(gnl_compose_v, "src2", argv[1], MY_STREAM_TYPE_VIDEO,

   199                       1);

   200     _compose_add_file(gnl_compose_v, "src3", argv[2], MY_STREAM_TYPE_VIDEO,

   201                       1);

   204     // aqueue = gst_element_factory_make ("queue", "aqueue");

   205     // asink = gst_element_factory_make ("alsasink", "asink");

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

   208     vsink = gst_element_factory_make("xvimagesink", "vsink");

   210     gst_bin_add_many(GST_BIN(pipe), gnl_compose_a, gnl_compose_v, vqueue,

   211                      vsink,

   212                      // aqueue, asink,

   213                      NULL);

   215     gst_element_link(vqueue, vsink);

   216     // gst_element_link (aqueue, asink);

   218     // g_signal_connect (G_OBJECT (gnl_compose_a), "pad-added",

   219     // G_CALLBACK (_composition_pad_added_cb), aqueue);

   221     g_signal_connect(G_OBJECT(gnl_compose_v), "pad-added",

   222                      G_CALLBACK(_composition_pad_added_cb), vqueue);

   225     // g_idle_add (_play, pipe);

   226     gst_element_set_state(GST_ELEMENT(pipe), GST_STATE_PLAYING);

   227     g_main_loop_run(mainloop);

   229     return 0;

   230 }

author	melunko
	Thu Jan 31 20:02:39 2008 +0000 (2008-01-31)
branch	trunk
changeset 903	fe307d0f75bd
parent 754	cb885ee44618
permissions	-rw-r--r--