diff options
author | Olivier CrĂȘte <olivier.crete@collabora.com> | 2016-09-16 16:50:38 -0400 |
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committer | Olivier CrĂȘte <olivier.crete@collabora.com> | 2016-09-16 16:50:38 -0400 |
commit | c6a867dc6e8da8482607105914cfc2fa09a9ee30 (patch) | |
tree | d2e261ae867d2e3ed145258ff707a3b6417da6e9 | |
parent | f1f02578f0f4f295ba2444ae7523e11740f381f9 (diff) |
Remove unused attachments
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-rw-r--r-- | attachments/2424836.png | bin | 51920 -> 0 bytes | |||
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-rw-r--r-- | attachments/2424843.c | 99 | ||||
-rw-r--r-- | attachments/2424844.zip | bin | 1889 -> 0 bytes | |||
-rw-r--r-- | attachments/2424846.c | 172 | ||||
-rw-r--r-- | attachments/2424847.zip | bin | 1850 -> 0 bytes | |||
-rw-r--r-- | attachments/2424848.c | 152 | ||||
-rw-r--r-- | attachments/2424849.zip | bin | 1849 -> 0 bytes | |||
-rw-r--r-- | attachments/2424850.c | 152 | ||||
-rw-r--r-- | attachments/2424874.c | 145 | ||||
-rw-r--r-- | attachments/2424875.zip | bin | 1875 -> 0 bytes | |||
-rw-r--r-- | attachments/2424878.zip | bin | 1849 -> 0 bytes | |||
-rw-r--r-- | attachments/2424879.c | 89 | ||||
-rw-r--r-- | attachments/2424881.c | 55 | ||||
-rw-r--r-- | attachments/2424882.zip | bin | 1849 -> 0 bytes | |||
-rw-r--r-- | attachments/2424883.c | 147 | ||||
-rw-r--r-- | attachments/2424884.zip | bin | 1826 -> 0 bytes |
19 files changed, 0 insertions, 1011 deletions
diff --git a/attachments/2424835.png b/attachments/2424835.png Binary files differdeleted file mode 100644 index 8763564..0000000 --- a/attachments/2424835.png +++ /dev/null diff --git a/attachments/2424836.png b/attachments/2424836.png Binary files differdeleted file mode 100644 index 5ab828f..0000000 --- a/attachments/2424836.png +++ /dev/null diff --git a/attachments/2424837.png b/attachments/2424837.png Binary files differdeleted file mode 100644 index b4096b0..0000000 --- a/attachments/2424837.png +++ /dev/null diff --git a/attachments/2424838.png b/attachments/2424838.png Binary files differdeleted file mode 100644 index 46b6bef..0000000 --- a/attachments/2424838.png +++ /dev/null diff --git a/attachments/2424843.c b/attachments/2424843.c deleted file mode 100644 index 63615ad..0000000 --- a/attachments/2424843.c +++ /dev/null @@ -1,99 +0,0 @@ -#include <gst/gst.h>
-#include <string.h>
-
-typedef struct _CustomData {
- gboolean is_live;
- GstElement *pipeline;
- GMainLoop *loop;
-} CustomData;
-
-static void cb_message (GstBus *bus, GstMessage *msg, CustomData *data) {
-
- switch (GST_MESSAGE_TYPE (msg)) {
- case GST_MESSAGE_ERROR: {
- GError *err;
- gchar *debug;
-
- gst_message_parse_error (msg, &err, &debug);
- g_print ("Error: %s\n", err->message);
- g_error_free (err);
- g_free (debug);
-
- gst_element_set_state (data->pipeline, GST_STATE_READY);
- g_main_loop_quit (data->loop);
- break;
- }
- case GST_MESSAGE_EOS:
- /* end-of-stream */
- gst_element_set_state (data->pipeline, GST_STATE_READY);
- g_main_loop_quit (data->loop);
- break;
- case GST_MESSAGE_BUFFERING: {
- gint percent = 0;
-
- /* If the stream is live, we do not care about buffering. */
- if (data->is_live) break;
-
- gst_message_parse_buffering (msg, &percent);
- g_print ("Buffering (%3d%%)\r", percent);
- /* Wait until buffering is complete before start/resume playing */
- if (percent < 100)
- gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
- else
- gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
- break;
- }
- case GST_MESSAGE_CLOCK_LOST:
- /* Get a new clock */
- gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
- gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
- break;
- default:
- /* Unhandled message */
- break;
- }
-}
-
-int main(int argc, char *argv[]) {
- GstElement *pipeline;
- GstBus *bus;
- GstStateChangeReturn ret;
- GMainLoop *main_loop;
- CustomData data;
-
- /* Initialize GStreamer */
- gst_init (&argc, &argv);
-
- /* Initialize our data structure */
- memset (&data, 0, sizeof (data));
-
- /* Build the pipeline */
- pipeline = gst_parse_launch ("playbin uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL);
- bus = gst_element_get_bus (pipeline);
-
- /* Start playing */
- ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
- if (ret == GST_STATE_CHANGE_FAILURE) {
- g_printerr ("Unable to set the pipeline to the playing state.\n");
- gst_object_unref (pipeline);
- return -1;
- } else if (ret == GST_STATE_CHANGE_NO_PREROLL) {
- data.is_live = TRUE;
- }
-
- main_loop = g_main_loop_new (NULL, FALSE);
- data.loop = main_loop;
- data.pipeline = pipeline;
-
- gst_bus_add_signal_watch (bus);
- g_signal_connect (bus, "message", G_CALLBACK (cb_message), &data);
-
- g_main_loop_run (main_loop);
-
- /* Free resources */
- g_main_loop_unref (main_loop);
- gst_object_unref (bus);
- gst_element_set_state (pipeline, GST_STATE_NULL);
- gst_object_unref (pipeline);
- return 0;
-}
\ No newline at end of file diff --git a/attachments/2424844.zip b/attachments/2424844.zip Binary files differdeleted file mode 100644 index fb6a43a..0000000 --- a/attachments/2424844.zip +++ /dev/null diff --git a/attachments/2424846.c b/attachments/2424846.c deleted file mode 100644 index 6123fb1..0000000 --- a/attachments/2424846.c +++ /dev/null @@ -1,172 +0,0 @@ -#include <gst/gst.h> -#include <string.h> - -#define GRAPH_LENGTH 80 - -/* playbin flags */ -typedef enum { - GST_PLAY_FLAG_DOWNLOAD = (1 << 7) /* Enable progressive download (on selected formats) */ -} GstPlayFlags; - -typedef struct _CustomData { - gboolean is_live; - GstElement *pipeline; - GMainLoop *loop; - gint buffering_level; -} CustomData; - -static void got_location (GstObject *gstobject, GstObject *prop_object, GParamSpec *prop, gpointer data) { - gchar *location; - g_object_get (G_OBJECT (prop_object), "temp-location", &location, NULL); - g_print ("Temporary file: %s\n", location); - /* Uncomment this line to keep the temporary file after the program exits */ - /* g_object_set (G_OBJECT (prop_object), "temp-remove", FALSE, NULL); */ -} - -static void cb_message (GstBus *bus, GstMessage *msg, CustomData *data) { - - switch (GST_MESSAGE_TYPE (msg)) { - case GST_MESSAGE_ERROR: { - GError *err; - gchar *debug; - - gst_message_parse_error (msg, &err, &debug); - g_print ("Error: %s\n", err->message); - g_error_free (err); - g_free (debug); - - gst_element_set_state (data->pipeline, GST_STATE_READY); - g_main_loop_quit (data->loop); - break; - } - case GST_MESSAGE_EOS: - /* end-of-stream */ - gst_element_set_state (data->pipeline, GST_STATE_READY); - g_main_loop_quit (data->loop); - break; - case GST_MESSAGE_BUFFERING: - /* If the stream is live, we do not care about buffering. */ - if (data->is_live) break; - - gst_message_parse_buffering (msg, &data->buffering_level); - - /* Wait until buffering is complete before start/resume playing */ - if (data->buffering_level < 100) - gst_element_set_state (data->pipeline, GST_STATE_PAUSED); - else - gst_element_set_state (data->pipeline, GST_STATE_PLAYING); - break; - case GST_MESSAGE_CLOCK_LOST: - /* Get a new clock */ - gst_element_set_state (data->pipeline, GST_STATE_PAUSED); - gst_element_set_state (data->pipeline, GST_STATE_PLAYING); - break; - default: - /* Unhandled message */ - break; - } -} - -static gboolean refresh_ui (CustomData *data) { - GstQuery *query; - gboolean result; - - query = gst_query_new_buffering (GST_FORMAT_PERCENT); - result = gst_element_query (data->pipeline, query); - if (result) { - gint n_ranges, range, i; - gchar graph[GRAPH_LENGTH + 1]; - GstFormat format = GST_FORMAT_TIME; - gint64 position = 0, duration = 0; - - memset (graph, ' ', GRAPH_LENGTH); - graph[GRAPH_LENGTH] = '\0'; - - n_ranges = gst_query_get_n_buffering_ranges (query); - for (range = 0; range < n_ranges; range++) { - gint64 start, stop; - gst_query_parse_nth_buffering_range (query, range, &start, &stop); - start = start * GRAPH_LENGTH / 100; - stop = stop * GRAPH_LENGTH / 100; - for (i = (gint)start; i < stop; i++) - graph [i] = '-'; - } - if (gst_element_query_position (data->pipeline, &format, &position) && - GST_CLOCK_TIME_IS_VALID (position) && - gst_element_query_duration (data->pipeline, &format, &duration) && - GST_CLOCK_TIME_IS_VALID (duration)) { - i = (gint)(GRAPH_LENGTH * (double)position / (double)(duration + 1)); - graph [i] = data->buffering_level < 100 ? 'X' : '>'; - } - g_print ("[%s]", graph); - if (data->buffering_level < 100) { - g_print (" Buffering: %3d%%", data->buffering_level); - } else { - g_print (" "); - } - g_print ("\r"); - } - - return TRUE; - -} - -int main(int argc, char *argv[]) { - GstElement *pipeline; - GstBus *bus; - GstStateChangeReturn ret; - GMainLoop *main_loop; - CustomData data; - guint flags; - - /* Initialize GStreamer */ - gst_init (&argc, &argv); - - /* Initialize our data structure */ - memset (&data, 0, sizeof (data)); - data.buffering_level = 100; - - /* Build the pipeline */ - pipeline = gst_parse_launch ("playbin uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL); - bus = gst_element_get_bus (pipeline); - - /* Set the download flag */ - g_object_get (pipeline, "flags", &flags, NULL); - flags |= GST_PLAY_FLAG_DOWNLOAD; - g_object_set (pipeline, "flags", flags, NULL); - - /* Uncomment this line to limit the amount of downloaded data */ - /* g_object_set (pipeline, "ring-buffer-max-size", (guint64)4000000, NULL); */ - - /* Start playing */ - ret = gst_element_set_state (pipeline, GST_STATE_PLAYING); - if (ret == GST_STATE_CHANGE_FAILURE) { - g_printerr ("Unable to set the pipeline to the playing state.\n"); - gst_object_unref (pipeline); - return -1; - } else if (ret == GST_STATE_CHANGE_NO_PREROLL) { - data.is_live = TRUE; - } - - main_loop = g_main_loop_new (NULL, FALSE); - data.loop = main_loop; - data.pipeline = pipeline; - - gst_bus_add_signal_watch (bus); - g_signal_connect (bus, "message", G_CALLBACK (cb_message), &data); - g_signal_connect (pipeline, "deep-notify::temp-location", G_CALLBACK (got_location), NULL); - - /* Register a function that GLib will call every second */ - g_timeout_add_seconds (1, (GSourceFunc)refresh_ui, &data); - - g_main_loop_run (main_loop); - - /* Free resources */ - g_main_loop_unref (main_loop); - gst_object_unref (bus); - gst_element_set_state (pipeline, GST_STATE_NULL); - gst_object_unref (pipeline); - - g_print ("\n"); - return 0; -}
\ No newline at end of file diff --git a/attachments/2424847.zip b/attachments/2424847.zip Binary files differdeleted file mode 100644 index accfa45..0000000 --- a/attachments/2424847.zip +++ /dev/null diff --git a/attachments/2424848.c b/attachments/2424848.c deleted file mode 100644 index 0ab3771..0000000 --- a/attachments/2424848.c +++ /dev/null @@ -1,152 +0,0 @@ -#include <gst/gst.h> -#include <string.h> - -#define CHUNK_SIZE 1024 /* Amount of bytes we are sending in each buffer */ -#define SAMPLE_RATE 44100 /* Samples per second we are sending */ -#define AUDIO_CAPS "audio/x-raw-int,channels=1,rate=%d,signed=(boolean)true,width=16,depth=16,endianness=BYTE_ORDER" - -/* Structure to contain all our information, so we can pass it to callbacks */ -typedef struct _CustomData { - GstElement *pipeline; - GstElement *app_source; - - guint64 num_samples; /* Number of samples generated so far (for timestamp generation) */ - gfloat a, b, c, d; /* For waveform generation */ - - guint sourceid; /* To control the GSource */ - - GMainLoop *main_loop; /* GLib's Main Loop */ -} CustomData; - -/* This method is called by the idle GSource in the mainloop, to feed CHUNK_SIZE bytes into appsrc. - * The ide handler is added to the mainloop when appsrc requests us to start sending data (need-data signal) - * and is removed when appsrc has enough data (enough-data signal). - */ -static gboolean push_data (CustomData *data) { - GstBuffer *buffer; - GstFlowReturn ret; - int i; - gint16 *raw; - gint num_samples = CHUNK_SIZE / 2; /* Because each sample is 16 bits */ - gfloat freq; - - /* Create a new empty buffer */ - buffer = gst_buffer_new_and_alloc (CHUNK_SIZE); - - /* Set its timestamp and duration */ - GST_BUFFER_TIMESTAMP (buffer) = gst_util_uint64_scale (data->num_samples, GST_SECOND, SAMPLE_RATE); - GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (CHUNK_SIZE, GST_SECOND, SAMPLE_RATE); - - /* Generate some psychodelic waveforms */ - raw = (gint16 *)GST_BUFFER_DATA (buffer); - data->c += data->d; - data->d -= data->c / 1000; - freq = 1100 + 1000 * data->d; - for (i = 0; i < num_samples; i++) { - data->a += data->b; - data->b -= data->a / freq; - raw[i] = (gint16)(500 * data->a); - } - data->num_samples += num_samples; - - /* Push the buffer into the appsrc */ - g_signal_emit_by_name (data->app_source, "push-buffer", buffer, &ret); - - /* Free the buffer now that we are done with it */ - gst_buffer_unref (buffer); - - if (ret != GST_FLOW_OK) { - /* We got some error, stop sending data */ - return FALSE; - } - - return TRUE; -} - -/* This signal callback triggers when appsrc needs data. Here, we add an idle handler - * to the mainloop to start pushing data into the appsrc */ -static void start_feed (GstElement *source, guint size, CustomData *data) { - if (data->sourceid == 0) { - g_print ("Start feeding\n"); - data->sourceid = g_idle_add ((GSourceFunc) push_data, data); - } -} - -/* This callback triggers when appsrc has enough data and we can stop sending. - * We remove the idle handler from the mainloop */ -static void stop_feed (GstElement *source, CustomData *data) { - if (data->sourceid != 0) { - g_print ("Stop feeding\n"); - g_source_remove (data->sourceid); - data->sourceid = 0; - } -} - -/* This function is called when an error message is posted on the bus */ -static void error_cb (GstBus *bus, GstMessage *msg, CustomData *data) { - GError *err; - gchar *debug_info; - - /* Print error details on the screen */ - gst_message_parse_error (msg, &err, &debug_info); - g_printerr ("Error received from element %s: %s\n", GST_OBJECT_NAME (msg->src), err->message); - g_printerr ("Debugging information: %s\n", debug_info ? debug_info : "none"); - g_clear_error (&err); - g_free (debug_info); - - g_main_loop_quit (data->main_loop); -} - -/* This function is called when playbin has created the appsrc element, so we have - * a chance to configure it. */ -static void source_setup (GstElement *pipeline, GstElement *source, CustomData *data) { - gchar *audio_caps_text; - GstCaps *audio_caps; - - g_print ("Source has been created. Configuring.\n"); - data->app_source = source; - - /* Configure appsrc */ - audio_caps_text = g_strdup_printf (AUDIO_CAPS, SAMPLE_RATE); - audio_caps = gst_caps_from_string (audio_caps_text); - g_object_set (source, "caps", audio_caps, NULL); - g_signal_connect (source, "need-data", G_CALLBACK (start_feed), data); - g_signal_connect (source, "enough-data", G_CALLBACK (stop_feed), data); - gst_caps_unref (audio_caps); - g_free (audio_caps_text); -} - -int main(int argc, char *argv[]) { - CustomData data; - GstBus *bus; - - /* Initialize cumstom data structure */ - memset (&data, 0, sizeof (data)); - data.b = 1; /* For waveform generation */ - data.d = 1; - - /* Initialize GStreamer */ - gst_init (&argc, &argv); - - /* Create the playbin element */ - data.pipeline = gst_parse_launch ("playbin uri=appsrc://", NULL); - g_signal_connect (data.pipeline, "source-setup", G_CALLBACK (source_setup), &data); - - /* Instruct the bus to emit signals for each received message, and connect to the interesting signals */ - bus = gst_element_get_bus (data.pipeline); - gst_bus_add_signal_watch (bus); - g_signal_connect (G_OBJECT (bus), "message::error", (GCallback)error_cb, &data); - gst_object_unref (bus); - - /* Start playing the pipeline */ - gst_element_set_state (data.pipeline, GST_STATE_PLAYING); - - /* Create a GLib Main Loop and set it to run */ - data.main_loop = g_main_loop_new (NULL, FALSE); - g_main_loop_run (data.main_loop); - - /* Free resources */ - gst_element_set_state (data.pipeline, GST_STATE_NULL); - gst_object_unref (data.pipeline); - return 0; -} diff --git a/attachments/2424849.zip b/attachments/2424849.zip Binary files differdeleted file mode 100644 index 75289b5..0000000 --- a/attachments/2424849.zip +++ /dev/null diff --git a/attachments/2424850.c b/attachments/2424850.c deleted file mode 100644 index 0ab3771..0000000 --- a/attachments/2424850.c +++ /dev/null @@ -1,152 +0,0 @@ -#include <gst/gst.h> -#include <string.h> - -#define CHUNK_SIZE 1024 /* Amount of bytes we are sending in each buffer */ -#define SAMPLE_RATE 44100 /* Samples per second we are sending */ -#define AUDIO_CAPS "audio/x-raw-int,channels=1,rate=%d,signed=(boolean)true,width=16,depth=16,endianness=BYTE_ORDER" - -/* Structure to contain all our information, so we can pass it to callbacks */ -typedef struct _CustomData { - GstElement *pipeline; - GstElement *app_source; - - guint64 num_samples; /* Number of samples generated so far (for timestamp generation) */ - gfloat a, b, c, d; /* For waveform generation */ - - guint sourceid; /* To control the GSource */ - - GMainLoop *main_loop; /* GLib's Main Loop */ -} CustomData; - -/* This method is called by the idle GSource in the mainloop, to feed CHUNK_SIZE bytes into appsrc. - * The ide handler is added to the mainloop when appsrc requests us to start sending data (need-data signal) - * and is removed when appsrc has enough data (enough-data signal). - */ -static gboolean push_data (CustomData *data) { - GstBuffer *buffer; - GstFlowReturn ret; - int i; - gint16 *raw; - gint num_samples = CHUNK_SIZE / 2; /* Because each sample is 16 bits */ - gfloat freq; - - /* Create a new empty buffer */ - buffer = gst_buffer_new_and_alloc (CHUNK_SIZE); - - /* Set its timestamp and duration */ - GST_BUFFER_TIMESTAMP (buffer) = gst_util_uint64_scale (data->num_samples, GST_SECOND, SAMPLE_RATE); - GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (CHUNK_SIZE, GST_SECOND, SAMPLE_RATE); - - /* Generate some psychodelic waveforms */ - raw = (gint16 *)GST_BUFFER_DATA (buffer); - data->c += data->d; - data->d -= data->c / 1000; - freq = 1100 + 1000 * data->d; - for (i = 0; i < num_samples; i++) { - data->a += data->b; - data->b -= data->a / freq; - raw[i] = (gint16)(500 * data->a); - } - data->num_samples += num_samples; - - /* Push the buffer into the appsrc */ - g_signal_emit_by_name (data->app_source, "push-buffer", buffer, &ret); - - /* Free the buffer now that we are done with it */ - gst_buffer_unref (buffer); - - if (ret != GST_FLOW_OK) { - /* We got some error, stop sending data */ - return FALSE; - } - - return TRUE; -} - -/* This signal callback triggers when appsrc needs data. Here, we add an idle handler - * to the mainloop to start pushing data into the appsrc */ -static void start_feed (GstElement *source, guint size, CustomData *data) { - if (data->sourceid == 0) { - g_print ("Start feeding\n"); - data->sourceid = g_idle_add ((GSourceFunc) push_data, data); - } -} - -/* This callback triggers when appsrc has enough data and we can stop sending. - * We remove the idle handler from the mainloop */ -static void stop_feed (GstElement *source, CustomData *data) { - if (data->sourceid != 0) { - g_print ("Stop feeding\n"); - g_source_remove (data->sourceid); - data->sourceid = 0; - } -} - -/* This function is called when an error message is posted on the bus */ -static void error_cb (GstBus *bus, GstMessage *msg, CustomData *data) { - GError *err; - gchar *debug_info; - - /* Print error details on the screen */ - gst_message_parse_error (msg, &err, &debug_info); - g_printerr ("Error received from element %s: %s\n", GST_OBJECT_NAME (msg->src), err->message); - g_printerr ("Debugging information: %s\n", debug_info ? debug_info : "none"); - g_clear_error (&err); - g_free (debug_info); - - g_main_loop_quit (data->main_loop); -} - -/* This function is called when playbin has created the appsrc element, so we have - * a chance to configure it. */ -static void source_setup (GstElement *pipeline, GstElement *source, CustomData *data) { - gchar *audio_caps_text; - GstCaps *audio_caps; - - g_print ("Source has been created. Configuring.\n"); - data->app_source = source; - - /* Configure appsrc */ - audio_caps_text = g_strdup_printf (AUDIO_CAPS, SAMPLE_RATE); - audio_caps = gst_caps_from_string (audio_caps_text); - g_object_set (source, "caps", audio_caps, NULL); - g_signal_connect (source, "need-data", G_CALLBACK (start_feed), data); - g_signal_connect (source, "enough-data", G_CALLBACK (stop_feed), data); - gst_caps_unref (audio_caps); - g_free (audio_caps_text); -} - -int main(int argc, char *argv[]) { - CustomData data; - GstBus *bus; - - /* Initialize cumstom data structure */ - memset (&data, 0, sizeof (data)); - data.b = 1; /* For waveform generation */ - data.d = 1; - - /* Initialize GStreamer */ - gst_init (&argc, &argv); - - /* Create the playbin element */ - data.pipeline = gst_parse_launch ("playbin uri=appsrc://", NULL); - g_signal_connect (data.pipeline, "source-setup", G_CALLBACK (source_setup), &data); - - /* Instruct the bus to emit signals for each received message, and connect to the interesting signals */ - bus = gst_element_get_bus (data.pipeline); - gst_bus_add_signal_watch (bus); - g_signal_connect (G_OBJECT (bus), "message::error", (GCallback)error_cb, &data); - gst_object_unref (bus); - - /* Start playing the pipeline */ - gst_element_set_state (data.pipeline, GST_STATE_PLAYING); - - /* Create a GLib Main Loop and set it to run */ - data.main_loop = g_main_loop_new (NULL, FALSE); - g_main_loop_run (data.main_loop); - - /* Free resources */ - gst_element_set_state (data.pipeline, GST_STATE_NULL); - gst_object_unref (data.pipeline); - return 0; -} diff --git a/attachments/2424874.c b/attachments/2424874.c deleted file mode 100644 index 7603c35..0000000 --- a/attachments/2424874.c +++ /dev/null @@ -1,145 +0,0 @@ -#include <string.h> -#include <gst/gst.h> -#include <gst/interfaces/colorbalance.h> - -typedef struct _CustomData { - GstElement *pipeline; - GMainLoop *loop; -} CustomData; - -/* Process a color balance command */ -static void update_color_channel (const gchar *channel_name, gboolean increase, GstColorBalance *cb) { - gdouble step; - gint value; - GstColorBalanceChannel *channel = NULL; - const GList *channels, *l; - - /* Retrieve the list of channels and locate the requested one */ - channels = gst_color_balance_list_channels (cb); - for (l = channels; l != NULL; l = l->next) { - GstColorBalanceChannel *tmp = (GstColorBalanceChannel *)l->data; - - if (g_strrstr (tmp->label, channel_name)) { - channel = tmp; - break; - } - } - if (!channel) - return; - - /* Change the channel's value */ - step = 0.1 * (channel->max_value - channel->min_value); - value = gst_color_balance_get_value (cb, channel); - if (increase) { - value = (gint)(value + step); - if (value > channel->max_value) - value = channel->max_value; - } else { - value = (gint)(value - step); - if (value < channel->min_value) - value = channel->min_value; - } - gst_color_balance_set_value (cb, channel, value); -} - -/* Output the current values of all Color Balance channels */ -static void print_current_values (GstElement *pipeline) { - const GList *channels, *l; - - /* Output Color Balance values */ - channels = gst_color_balance_list_channels (GST_COLOR_BALANCE (pipeline)); - for (l = channels; l != NULL; l = l->next) { - GstColorBalanceChannel *channel = (GstColorBalanceChannel *)l->data; - gint value = gst_color_balance_get_value (GST_COLOR_BALANCE (pipeline), channel); - g_print ("%s: %3d%% ", channel->label, - 100 * (value - channel->min_value) / (channel->max_value - channel->min_value)); - } - g_print ("\n"); -} - -/* Process keyboard input */ -static gboolean handle_keyboard (GIOChannel *source, GIOCondition cond, CustomData *data) { - gchar *str = NULL; - - if (g_io_channel_read_line (source, &str, NULL, NULL, NULL) != G_IO_STATUS_NORMAL) { - return TRUE; - } - - switch (g_ascii_tolower (str[0])) { - case 'c': - update_color_channel ("CONTRAST", g_ascii_isupper (str[0]), GST_COLOR_BALANCE (data->pipeline)); - break; - case 'b': - update_color_channel ("BRIGHTNESS", g_ascii_isupper (str[0]), GST_COLOR_BALANCE (data->pipeline)); - break; - case 'h': - update_color_channel ("HUE", g_ascii_isupper (str[0]), GST_COLOR_BALANCE (data->pipeline)); - break; - case 's': - update_color_channel ("SATURATION", g_ascii_isupper (str[0]), GST_COLOR_BALANCE (data->pipeline)); - break; - case 'q': - g_main_loop_quit (data->loop); - break; - default: - break; - } - - g_free (str); - - print_current_values (data->pipeline); - - return TRUE; -} - -int main(int argc, char *argv[]) { - CustomData data; - GstStateChangeReturn ret; - GIOChannel *io_stdin; - - /* Initialize GStreamer */ - gst_init (&argc, &argv); - - /* Initialize our data structure */ - memset (&data, 0, sizeof (data)); - - /* Print usage map */ - g_print ( - "USAGE: Choose one of the following options, then press enter:\n" - " 'C' to increase contrast, 'c' to decrease contrast\n" - " 'B' to increase brightness, 'b' to decrease brightness\n" - " 'H' to increase hue, 'h' to decrease hue\n" - " 'S' to increase saturation, 's' to decrease saturation\n" - " 'Q' to quit\n"); - - /* Build the pipeline */ - data.pipeline = gst_parse_launch ("playbin uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL); - - /* Add a keyboard watch so we get notified of keystrokes */ -#ifdef _WIN32 - io_stdin = g_io_channel_win32_new_fd (fileno (stdin)); -#else - io_stdin = g_io_channel_unix_new (fileno (stdin)); -#endif - g_io_add_watch (io_stdin, G_IO_IN, (GIOFunc)handle_keyboard, &data); - - /* Start playing */ - ret = gst_element_set_state (data.pipeline, GST_STATE_PLAYING); - if (ret == GST_STATE_CHANGE_FAILURE) { - g_printerr ("Unable to set the pipeline to the playing state.\n"); - gst_object_unref (data.pipeline); - return -1; - } - print_current_values (data.pipeline); - - /* Create a GLib Main Loop and set it to run */ - data.loop = g_main_loop_new (NULL, FALSE); - g_main_loop_run (data.loop); - - /* Free resources */ - g_main_loop_unref (data.loop); - g_io_channel_unref (io_stdin); - gst_element_set_state (data.pipeline, GST_STATE_NULL); - gst_object_unref (data.pipeline); - return 0; -} diff --git a/attachments/2424875.zip b/attachments/2424875.zip Binary files differdeleted file mode 100644 index f92f1f3..0000000 --- a/attachments/2424875.zip +++ /dev/null diff --git a/attachments/2424878.zip b/attachments/2424878.zip Binary files differdeleted file mode 100644 index 8e8de88..0000000 --- a/attachments/2424878.zip +++ /dev/null diff --git a/attachments/2424879.c b/attachments/2424879.c deleted file mode 100644 index 9ffdbc4..0000000 --- a/attachments/2424879.c +++ /dev/null @@ -1,89 +0,0 @@ -#include <gst/gst.h> - -/* playbin flags */ -typedef enum { - GST_PLAY_FLAG_VIS = (1 << 3) /* Enable rendering of visualizations when there is no video stream. */ -} GstPlayFlags; - -/* Return TRUE if this is a Visualization element */ -static gboolean filter_vis_features (GstPluginFeature *feature, gpointer data) { - GstElementFactory *factory; - - if (!GST_IS_ELEMENT_FACTORY (feature)) - return FALSE; - factory = GST_ELEMENT_FACTORY (feature); - if (!g_strrstr (gst_element_factory_get_klass (factory), "Visualization")) - return FALSE; - - return TRUE; -} - -int main(int argc, char *argv[]) { - GstElement *pipeline, *vis_plugin; - GstBus *bus; - GstMessage *msg; - GList *list, *walk; - GstElementFactory *selected_factory = NULL; - guint flags; - - /* Initialize GStreamer */ - gst_init (&argc, &argv); - - /* Get a list of all visualization plugins */ - list = gst_registry_feature_filter (gst_registry_get_default (), filter_vis_features, FALSE, NULL); - - /* Print their names */ - g_print("Available visualization plugins:\n"); - for (walk = list; walk != NULL; walk = g_list_next (walk)) { - const gchar *name; - GstElementFactory *factory; - - factory = GST_ELEMENT_FACTORY (walk->data); - name = gst_element_factory_get_longname (factory); - g_print(" %s\n", name); - - if (selected_factory == NULL || g_str_has_prefix (name, "GOOM")) { - selected_factory = factory; - } - } - - /* Don't use the factory if it's still empty */ - /* e.g. no visualization plugins found */ - if (!selected_factory) { - g_print ("No visualization plugins found!\n"); - return -1; - } - - /* We have now selected a factory for the visualization element */ - g_print ("Selected '%s'\n", gst_element_factory_get_longname (selected_factory)); - vis_plugin = gst_element_factory_create (selected_factory, NULL); - if (!vis_plugin) - return -1; - - /* Build the pipeline */ - pipeline = gst_parse_launch ("playbin uri=http://radio.hbr1.com:19800/ambient.ogg", NULL); - - /* Set the visualization flag */ - g_object_get (pipeline, "flags", &flags, NULL); - flags |= GST_PLAY_FLAG_VIS; - g_object_set (pipeline, "flags", flags, NULL); - - /* set vis plugin for playbin */ - g_object_set (pipeline, "vis-plugin", vis_plugin, NULL); - - /* Start playing */ - gst_element_set_state (pipeline, GST_STATE_PLAYING); - - /* Wait until error or EOS */ - bus = gst_element_get_bus (pipeline); - msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR | GST_MESSAGE_EOS); - - /* Free resources */ - if (msg != NULL) - gst_message_unref (msg); - gst_plugin_feature_list_free (list); - gst_object_unref (bus); - gst_element_set_state (pipeline, GST_STATE_NULL); - gst_object_unref (pipeline); - return 0; -} diff --git a/attachments/2424881.c b/attachments/2424881.c deleted file mode 100644 index fb0d00d..0000000 --- a/attachments/2424881.c +++ /dev/null @@ -1,55 +0,0 @@ -#include <gst/gst.h>
-
-int main(int argc, char *argv[]) {
- GstElement *pipeline, *bin, *equalizer, *convert, *sink;
- GstPad *pad, *ghost_pad;
- GstBus *bus;
- GstMessage *msg;
-
- /* Initialize GStreamer */
- gst_init (&argc, &argv);
-
- /* Build the pipeline */
- pipeline = gst_parse_launch ("playbin uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL);
-
- /* Create the elements inside the sink bin */
- equalizer = gst_element_factory_make ("equalizer-3bands", "equalizer");
- convert = gst_element_factory_make ("audioconvert", "convert");
- sink = gst_element_factory_make ("autoaudiosink", "audio_sink");
- if (!equalizer || !convert || !sink) {
- g_printerr ("Not all elements could be created.\n");
- return -1;
- }
-
- /* Create the sink bin, add the elements and link them */
- bin = gst_bin_new ("audio_sink_bin");
- gst_bin_add_many (GST_BIN (bin), equalizer, convert, sink, NULL);
- gst_element_link_many (equalizer, convert, sink, NULL);
- pad = gst_element_get_static_pad (equalizer, "sink");
- ghost_pad = gst_ghost_pad_new ("sink", pad);
- gst_pad_set_active (ghost_pad, TRUE);
- gst_element_add_pad (bin, ghost_pad);
- gst_object_unref (pad);
-
- /* Configure the equalizer */
- g_object_set (G_OBJECT (equalizer), "band1", (gdouble)-24.0, NULL);
- g_object_set (G_OBJECT (equalizer), "band2", (gdouble)-24.0, NULL);
-
- /* Set playbin's audio sink to be our sink bin */
- g_object_set (GST_OBJECT (pipeline), "audio-sink", bin, NULL);
-
- /* Start playing */
- gst_element_set_state (pipeline, GST_STATE_PLAYING);
-
- /* Wait until error or EOS */
- bus = gst_element_get_bus (pipeline);
- msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
-
- /* Free resources */
- if (msg != NULL)
- gst_message_unref (msg);
- gst_object_unref (bus);
- gst_element_set_state (pipeline, GST_STATE_NULL);
- gst_object_unref (pipeline);
- return 0;
-}
\ No newline at end of file diff --git a/attachments/2424882.zip b/attachments/2424882.zip Binary files differdeleted file mode 100644 index d122152..0000000 --- a/attachments/2424882.zip +++ /dev/null diff --git a/attachments/2424883.c b/attachments/2424883.c deleted file mode 100644 index 4241f62..0000000 --- a/attachments/2424883.c +++ /dev/null @@ -1,147 +0,0 @@ -#include <string.h> -#include <gst/gst.h> - -typedef struct _CustomData { - GstElement *pipeline; - GstElement *video_sink; - GMainLoop *loop; - - gboolean playing; /* Playing or Paused */ - gdouble rate; /* Current playback rate (can be negative) */ -} CustomData; - -/* Send seek event to change rate */ -static void send_seek_event (CustomData *data) { - gint64 position; - GstFormat format = GST_FORMAT_TIME; - GstEvent *seek_event; - - /* Obtain the current position, needed for the seek event */ - if (!gst_element_query_position (data->pipeline, &format, &position)) { - g_printerr ("Unable to retrieve current position.\n"); - return; - } - - /* Create the seek event */ - if (data->rate > 0) { - seek_event = gst_event_new_seek (data->rate, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, - GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_NONE, 0); - } else { - seek_event = gst_event_new_seek (data->rate, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, - GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, position); - } - - if (data->video_sink == NULL) { - /* If we have not done so, obtain the sink through which we will send the seek events */ - g_object_get (data->pipeline, "video-sink", &data->video_sink, NULL); - } - - /* Send the event */ - gst_element_send_event (data->video_sink, seek_event); - - g_print ("Current rate: %g\n", data->rate); -} - -/* Process keyboard input */ -static gboolean handle_keyboard (GIOChannel *source, GIOCondition cond, CustomData *data) { - gchar *str = NULL; - - if (g_io_channel_read_line (source, &str, NULL, NULL, NULL) != G_IO_STATUS_NORMAL) { - return TRUE; - } - - switch (g_ascii_tolower (str[0])) { - case 'p': - data->playing = !data->playing; - gst_element_set_state (data->pipeline, data->playing ? GST_STATE_PLAYING : GST_STATE_PAUSED); - g_print ("Setting state to %s\n", data->playing ? "PLAYING" : "PAUSE"); - break; - case 's': - if (g_ascii_isupper (str[0])) { - data->rate *= 2.0; - } else { - data->rate /= 2.0; - } - send_seek_event (data); - break; - case 'd': - data->rate *= -1.0; - send_seek_event (data); - break; - case 'n': - if (data->video_sink == NULL) { - /* If we have not done so, obtain the sink through which we will send the step events */ - g_object_get (data->pipeline, "video-sink", &data->video_sink, NULL); - } - - gst_element_send_event (data->pipeline, - gst_event_new_step (GST_FORMAT_BUFFERS, 1, data->rate, TRUE, FALSE)); - g_print ("Stepping one frame\n"); - break; - case 'q': - g_main_loop_quit (data->loop); - break; - default: - break; - } - - g_free (str); - - return TRUE; -} - -int main(int argc, char *argv[]) { - CustomData data; - GstStateChangeReturn ret; - GIOChannel *io_stdin; - - /* Initialize GStreamer */ - gst_init (&argc, &argv); - - /* Initialize our data structure */ - memset (&data, 0, sizeof (data)); - - /* Print usage map */ - g_print ( - "USAGE: Choose one of the following options, then press enter:\n" - " 'P' to toggle between PAUSE and PLAY\n" - " 'S' to increase playback speed, 's' to decrease playback speed\n" - " 'D' to toggle playback direction\n" - " 'N' to move to next frame (in the current direction, better in PAUSE)\n" - " 'Q' to quit\n"); - - /* Build the pipeline */ -// data.pipeline = gst_parse_launch ("playbin uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL); - data.pipeline = gst_parse_launch ("playbin uri=file:///f:/media/sintel/sintel_trailer-480p.webm", NULL); - - /* Add a keyboard watch so we get notified of keystrokes */ -#ifdef _WIN32 - io_stdin = g_io_channel_win32_new_fd (fileno (stdin)); -#else - io_stdin = g_io_channel_unix_new (fileno (stdin)); -#endif - g_io_add_watch (io_stdin, G_IO_IN, (GIOFunc)handle_keyboard, &data); - - /* Start playing */ - ret = gst_element_set_state (data.pipeline, GST_STATE_PLAYING); - if (ret == GST_STATE_CHANGE_FAILURE) { - g_printerr ("Unable to set the pipeline to the playing state.\n"); - gst_object_unref (data.pipeline); - return -1; - } - data.playing = TRUE; - data.rate = 1.0; - - /* Create a GLib Main Loop and set it to run */ - data.loop = g_main_loop_new (NULL, FALSE); - g_main_loop_run (data.loop); - - /* Free resources */ - g_main_loop_unref (data.loop); - g_io_channel_unref (io_stdin); - gst_element_set_state (data.pipeline, GST_STATE_NULL); - if (data.video_sink != NULL) - gst_object_unref (data.video_sink); - gst_object_unref (data.pipeline); - return 0; -} diff --git a/attachments/2424884.zip b/attachments/2424884.zip Binary files differdeleted file mode 100644 index deb1b61..0000000 --- a/attachments/2424884.zip +++ /dev/null |