X-Git-Url: https://git.ao2.it/gst-aseq-appsrc.git/blobdiff_plain/d579e6473dc66a60b98ac3ebbbdccaca22b033ee..2dcd337c4aad9ce7a8a0b06e9243b3adb05ecb95:/gst-aseq-appsrc.c?ds=sidebyside diff --git a/gst-aseq-appsrc.c b/gst-aseq-appsrc.c index b6d38d0..4988dc2 100644 --- a/gst-aseq-appsrc.c +++ b/gst-aseq-appsrc.c @@ -38,8 +38,8 @@ #define DEFAULT_TICK_PERIOD_MS 10 #define DEFAULT_POLL_TIMEOUT_MS (DEFAULT_TICK_PERIOD_MS / 2) -GST_DEBUG_CATEGORY (mysrc_debug); -#define GST_CAT_DEFAULT mysrc_debug +GST_DEBUG_CATEGORY (mysource_debug); +#define GST_CAT_DEFAULT mysource_debug typedef struct _App App; @@ -62,7 +62,7 @@ struct _App guint64 tick; }; -App s_app; +static App s_app; static int init_seq (App * app) @@ -171,12 +171,11 @@ connect_ports (App * app) static void push_buffer (App * app, gpointer data, guint size) { - GstBuffer *buffer; GstClockTime time; - int ret; gpointer local_data; + GstBuffer *buffer; + int ret; - /* read the next chunk */ buffer = gst_buffer_new (); time = app->tick * DEFAULT_TICK_PERIOD_MS * GST_MSECOND; @@ -192,6 +191,8 @@ push_buffer (App * app, gpointer data, guint size) gst_memory_new_wrapped (0, local_data, size, 0, size, local_data, g_free)); + GST_MEMDUMP ("MIDI data:", local_data, size); + GST_DEBUG ("feed buffer %p, tick %" G_GUINT64_FORMAT " size: %u", (gpointer) buffer, app->tick, size); g_signal_emit_by_name (app->appsrc, "push-buffer", buffer, &ret); @@ -221,14 +222,18 @@ feed_data (GstElement * appsrc, guint size, App * app) ret = poll (app->pfds, app->npfds, DEFAULT_POLL_TIMEOUT_MS); if (ret < 0) { GST_ERROR ("ERROR in poll: %s", strerror (errno)); + gst_app_src_end_of_stream (GST_APP_SRC (appsrc)); } else if (ret == 0) { push_tick_buffer (app); } else { do { snd_seq_event_t *event; err = snd_seq_event_input (app->seq, &event); - if (err < 0) + if (err < 0 && err != -EAGAIN) { + GST_ERROR ("Error in snd_seq_event_input: %s", snd_strerror (err)); + gst_app_src_end_of_stream (GST_APP_SRC (appsrc)); break; + } if (event) { size_ev = snd_midi_event_decode (app->parser, app->buffer, DEFAULT_BUFSIZE, @@ -241,6 +246,7 @@ feed_data (GstElement * appsrc, guint size, App * app) } else { GST_ERROR ("Error decoding event from ALSA to output: %s", strerror (-size_ev)); + gst_app_src_end_of_stream (GST_APP_SRC (appsrc)); break; } } else { @@ -392,9 +398,12 @@ main (int argc, char *argv[]) GOptionContext *ctx; GError *err = NULL; gchar *ports = NULL; + gboolean verbose = FALSE; GOptionEntry options[] = { {"ports", 'p', 0, G_OPTION_ARG_STRING, &ports, "Comma separated list of sequencer ports", "client:port,..."}, + {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, + "Output status information and property notifications", NULL}, {NULL} }; @@ -412,7 +421,7 @@ main (int argc, char *argv[]) gst_init (&argc, &argv); - GST_DEBUG_CATEGORY_INIT (mysrc_debug, "mysrc", 0, + GST_DEBUG_CATEGORY_INIT (mysource_debug, "mysource", 0, "ALSA MIDI sequencer appsrc pipeline"); ret = app_init (app, ports); @@ -433,6 +442,9 @@ main (int argc, char *argv[]) ("appsrc name=mysource ! fluiddec ! audioconvert ! autoaudiosink", NULL); g_assert (app->pipeline); + if (verbose) + g_signal_connect (app->pipeline, "deep-notify", G_CALLBACK (gst_object_default_deep_notify), NULL); + bus = gst_pipeline_get_bus (GST_PIPELINE (app->pipeline)); g_assert (bus);