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- Show how to do stream position feedback
Original commit message from CVS: - Show how to do stream position feedback - Show how to do some more seeking
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2 changed files with 136 additions and 30 deletions
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@ -2,11 +2,52 @@
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#include <gst/gst.h>
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#include <string.h>
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static void
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get_position_info (GstElement *cdparanoia)
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{
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GstFormat track_format;
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const GstFormat *formats;
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GstPad *pad;
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track_format = gst_format_get_by_nick ("track");
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g_assert (track_format != 0);
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pad = gst_element_get_pad (cdparanoia, "src");
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formats = gst_pad_get_formats (pad);
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while (*formats) {
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const GstFormatDefinition *definition;
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GstFormat format;
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gint64 position;
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gboolean res;
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definition = gst_format_get_details (*formats);
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format = *formats;
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res = gst_pad_query (pad, GST_PAD_QUERY_POSITION,
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&format, &position);
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if (format == GST_FORMAT_TIME) {
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position /= GST_SECOND;
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g_print ("%s: %lld:%02lld", definition->nick, position/60, position%60);
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}
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else {
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g_print ("%s: %lld", definition->nick, position);
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}
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formats++;
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if (*formats) {
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g_print (", ");
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}
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}
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g_print ("\r");
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}
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static void
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get_track_info (GstElement *cdparanoia)
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{
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GstFormat track_format;
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gint64 total_tracks, total_time;
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gint64 total_tracks = 0, total_time = 0;
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GstPad *pad;
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const GstFormat *formats;
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gint i;
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@ -23,21 +64,25 @@ get_track_info (GstElement *cdparanoia)
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while (*formats) {
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const GstFormatDefinition *definition;
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gint64 total;
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GstFormat format;
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gboolean res;
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definition = gst_format_get_details (*formats);
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format = *formats;
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res = gst_pad_query (pad, GST_PAD_QUERY_TOTAL,
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(GstFormat *)formats, &total);
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&format, &total);
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if (res) {
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if (*formats == GST_FORMAT_TIME)
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g_print ("%s total: %lld:%lld\n", definition->nick, total/60, total%60);
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if (format == GST_FORMAT_TIME) {
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total /= GST_SECOND;
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g_print ("%s total: %lld:%02lld\n", definition->nick, total/60, total%60);
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}
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else
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g_print ("%s total: %lld\n", definition->nick, total);
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if (*formats == track_format)
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if (format == track_format)
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total_tracks = total;
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else if (*formats == GST_FORMAT_TIME)
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else if (format == GST_FORMAT_TIME)
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total_time = total;
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}
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else
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@ -59,6 +104,7 @@ get_track_info (GstElement *cdparanoia)
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format = GST_FORMAT_TIME;
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res = gst_pad_convert (pad, track_format, i,
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&format, &time);
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time /= GST_SECOND;
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}
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else {
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time = total_time;
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@ -95,6 +141,7 @@ main (int argc, char **argv)
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GstFormat track_format;
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GstEvent *event;
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gint count;
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gboolean res;
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gst_init (&argc, &argv);
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@ -133,30 +180,36 @@ main (int argc, char **argv)
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GST_SEEK_FLAG_FLUSH,
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3);
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gst_pad_send_event (pad, event);
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res = gst_pad_send_event (pad, event);
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if (!res)
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g_warning ("seek failed");
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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count = 0;
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while (gst_bin_iterate (GST_BIN (pipeline))) {
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get_position_info (cdparanoia);
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if (count++ > 500)
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break;
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}
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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g_print ("playing track 3 only\n");
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/* seek to track3 */
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event = gst_event_new_segment_seek (track_format |
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g_print ("\nplaying from second 25 to second 29\n");
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/* seek to some seconds */
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event = gst_event_new_segment_seek (GST_FORMAT_TIME |
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GST_SEEK_METHOD_SET |
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GST_SEEK_FLAG_FLUSH,
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3, 4);
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gst_pad_send_event (pad, event);
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25 * GST_SECOND, 29 * GST_SECOND);
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res = gst_pad_send_event (pad, event);
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if (!res)
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g_warning ("seek failed");
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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count = 0;
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while (gst_bin_iterate (GST_BIN (pipeline))) {
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if (count++ > 500)
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break;
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get_position_info (cdparanoia);
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}
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g_print ("\n");
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/* shutdown everything again */
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gst_element_set_state (pipeline, GST_STATE_NULL);
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@ -2,11 +2,52 @@
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#include <gst/gst.h>
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#include <string.h>
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static void
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get_position_info (GstElement *cdparanoia)
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{
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GstFormat track_format;
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const GstFormat *formats;
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GstPad *pad;
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track_format = gst_format_get_by_nick ("track");
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g_assert (track_format != 0);
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pad = gst_element_get_pad (cdparanoia, "src");
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formats = gst_pad_get_formats (pad);
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while (*formats) {
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const GstFormatDefinition *definition;
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GstFormat format;
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gint64 position;
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gboolean res;
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definition = gst_format_get_details (*formats);
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format = *formats;
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res = gst_pad_query (pad, GST_PAD_QUERY_POSITION,
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&format, &position);
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if (format == GST_FORMAT_TIME) {
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position /= GST_SECOND;
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g_print ("%s: %lld:%02lld", definition->nick, position/60, position%60);
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}
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else {
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g_print ("%s: %lld", definition->nick, position);
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}
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formats++;
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if (*formats) {
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g_print (", ");
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}
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}
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g_print ("\r");
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}
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static void
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get_track_info (GstElement *cdparanoia)
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{
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GstFormat track_format;
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gint64 total_tracks, total_time;
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gint64 total_tracks = 0, total_time = 0;
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GstPad *pad;
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const GstFormat *formats;
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gint i;
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@ -23,21 +64,25 @@ get_track_info (GstElement *cdparanoia)
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while (*formats) {
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const GstFormatDefinition *definition;
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gint64 total;
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GstFormat format;
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gboolean res;
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definition = gst_format_get_details (*formats);
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format = *formats;
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res = gst_pad_query (pad, GST_PAD_QUERY_TOTAL,
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(GstFormat *)formats, &total);
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&format, &total);
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if (res) {
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if (*formats == GST_FORMAT_TIME)
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g_print ("%s total: %lld:%lld\n", definition->nick, total/60, total%60);
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if (format == GST_FORMAT_TIME) {
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total /= GST_SECOND;
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g_print ("%s total: %lld:%02lld\n", definition->nick, total/60, total%60);
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}
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else
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g_print ("%s total: %lld\n", definition->nick, total);
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if (*formats == track_format)
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if (format == track_format)
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total_tracks = total;
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else if (*formats == GST_FORMAT_TIME)
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else if (format == GST_FORMAT_TIME)
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total_time = total;
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}
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else
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format = GST_FORMAT_TIME;
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res = gst_pad_convert (pad, track_format, i,
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&format, &time);
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time /= GST_SECOND;
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}
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else {
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time = total_time;
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GstFormat track_format;
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GstEvent *event;
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gint count;
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gboolean res;
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gst_init (&argc, &argv);
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@ -133,30 +180,36 @@ main (int argc, char **argv)
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GST_SEEK_FLAG_FLUSH,
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3);
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gst_pad_send_event (pad, event);
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res = gst_pad_send_event (pad, event);
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if (!res)
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g_warning ("seek failed");
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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count = 0;
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while (gst_bin_iterate (GST_BIN (pipeline))) {
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get_position_info (cdparanoia);
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if (count++ > 500)
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break;
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}
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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g_print ("playing track 3 only\n");
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/* seek to track3 */
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event = gst_event_new_segment_seek (track_format |
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g_print ("\nplaying from second 25 to second 29\n");
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/* seek to some seconds */
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event = gst_event_new_segment_seek (GST_FORMAT_TIME |
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GST_SEEK_METHOD_SET |
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GST_SEEK_FLAG_FLUSH,
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3, 4);
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gst_pad_send_event (pad, event);
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25 * GST_SECOND, 29 * GST_SECOND);
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res = gst_pad_send_event (pad, event);
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if (!res)
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g_warning ("seek failed");
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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count = 0;
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while (gst_bin_iterate (GST_BIN (pipeline))) {
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if (count++ > 500)
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break;
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get_position_info (cdparanoia);
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}
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g_print ("\n");
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/* shutdown everything again */
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gst_element_set_state (pipeline, GST_STATE_NULL);
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