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playback/player: player: Add media information API
https://github.com/sdroege/gst-player/pull/21
This commit is contained in:
Brijesh Singh
Sebastian Dröge
parent
7ca4b495c2
commit
34c7b45906
1 changed files with 232 additions and 2 deletions
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@ -110,6 +110,224 @@ buffering_cb (GstPlayer * player, gint percent, GstPlay * play)
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g_print ("Buffering: %d\n", percent);
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}
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static void
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print_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
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{
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gint i, num;
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num = gst_tag_list_get_tag_size (list, tag);
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for (i = 0; i < num; ++i) {
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const GValue *val;
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val = gst_tag_list_get_value_index (list, tag, i);
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if (G_VALUE_HOLDS_STRING (val)) {
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g_print (" %s : %s \n", tag, g_value_get_string (val));
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} else if (G_VALUE_HOLDS_UINT (val)) {
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g_print (" %s : %u \n", tag, g_value_get_uint (val));
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} else if (G_VALUE_HOLDS_DOUBLE (val)) {
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g_print (" %s : %g \n", tag, g_value_get_double (val));
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} else if (G_VALUE_HOLDS_BOOLEAN (val)) {
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g_print (" %s : %s \n", tag,
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g_value_get_boolean (val) ? "true" : "false");
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} else if (GST_VALUE_HOLDS_DATE_TIME (val)) {
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GstDateTime *dt = g_value_get_boxed (val);
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gchar *dt_str = gst_date_time_to_iso8601_string (dt);
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g_print (" %s : %s \n", tag, dt_str);
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g_free (dt_str);
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} else {
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g_print (" %s : tag of type '%s' \n", tag, G_VALUE_TYPE_NAME (val));
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}
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}
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}
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static void
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print_video_info (GstPlayerVideoInfo * info)
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{
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gint fps_n, fps_d;
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guint par_n, par_d;
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if (info == NULL)
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return;
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g_print (" width : %d\n", gst_player_video_info_get_width (info));
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g_print (" height : %d\n", gst_player_video_info_get_height (info));
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g_print (" max_bitrate : %d\n",
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gst_player_video_info_get_max_bitrate (info));
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g_print (" bitrate : %d\n", gst_player_video_info_get_bitrate (info));
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gst_player_video_info_get_framerate (info, &fps_n, &fps_d);
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g_print (" frameate : %.2f\n", (gdouble) fps_n / fps_d);
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gst_player_video_info_get_pixel_aspect_ratio (info, &par_n, &par_d);
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g_print (" pixel-aspect-ratio %u:%u\n", par_n, par_d);
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}
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static void
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print_audio_info (GstPlayerAudioInfo * info)
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{
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if (info == NULL)
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return;
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g_print (" sample rate : %d\n",
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gst_player_audio_info_get_sample_rate (info));
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g_print (" channels : %d\n", gst_player_audio_info_get_channels (info));
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g_print (" max_bitrate : %d\n",
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gst_player_audio_info_get_max_bitrate (info));
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g_print (" bitrate : %d\n", gst_player_audio_info_get_bitrate (info));
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g_print (" language : %s\n", gst_player_audio_info_get_language (info));
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}
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static void
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print_subtitle_info (GstPlayerSubtitleInfo * info)
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{
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if (info == NULL)
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return;
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g_print (" language : %s\n", gst_player_subtitle_get_language (info));
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}
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static void
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print_all_stream_info (GstPlayerMediaInfo * media_info)
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{
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guint count = 0;
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GList *l, *list;
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list = gst_player_media_info_get_stream_list (media_info);
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g_print ("URI : %s\n", gst_player_media_info_get_uri (media_info));
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g_print ("Duration: %" GST_TIME_FORMAT "\n",
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GST_TIME_ARGS (gst_player_media_info_get_duration (media_info)));
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for (l = list; l != NULL; l = l->next) {
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GstTagList *tags = NULL;
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GstPlayerStreamInfo *stream = (GstPlayerStreamInfo *) l->data;
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g_print (" Stream # %u \n", count++);
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g_print (" type : %s_%u\n",
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gst_player_stream_info_get_stream_type_nick (stream),
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gst_player_stream_info_get_stream_index (stream));
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tags = gst_player_stream_info_get_stream_tags (stream);
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g_print (" taglist : \n");
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if (tags) {
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gst_tag_list_foreach (tags, print_one_tag, NULL);
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}
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if (GST_IS_PLAYER_VIDEO_INFO (stream))
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print_video_info ((GstPlayerVideoInfo *) stream);
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else if (GST_IS_PLAYER_AUDIO_INFO (stream))
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print_audio_info ((GstPlayerAudioInfo *) stream);
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else
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print_subtitle_info ((GstPlayerSubtitleInfo *) stream);
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}
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}
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static void
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print_all_video_stream (GstPlayerMediaInfo * media_info)
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{
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GList *list = NULL, *l;
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list = gst_player_get_video_streams (media_info);
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if (!list)
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return;
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g_print ("All video streams\n");
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for (l = list; l != NULL; l = l->next) {
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GstPlayerVideoInfo *info = (GstPlayerVideoInfo *) l->data;
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GstPlayerStreamInfo *sinfo = (GstPlayerStreamInfo *) info;
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g_print (" %s_%d #\n", gst_player_stream_info_get_stream_type_nick (sinfo),
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gst_player_stream_info_get_stream_index (sinfo));
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print_video_info (info);
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}
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}
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static void
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print_all_subtitle_stream (GstPlayerMediaInfo * media_info)
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{
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GList *list = NULL, *l;
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list = gst_player_get_subtitle_streams (media_info);
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if (!list)
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return;
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g_print ("All subtitle streams:\n");
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for (l = list; l != NULL; l = l->next) {
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GstPlayerSubtitleInfo *info = (GstPlayerSubtitleInfo *) l->data;
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GstPlayerStreamInfo *sinfo = (GstPlayerStreamInfo *) info;
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g_print (" %s_%d #\n", gst_player_stream_info_get_stream_type_nick (sinfo),
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gst_player_stream_info_get_stream_index (sinfo));
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print_subtitle_info (info);
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}
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}
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static void
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print_all_audio_stream (GstPlayerMediaInfo * media_info)
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{
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GList *list = NULL, *l;
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list = gst_player_get_audio_streams (media_info);
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if (!list)
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return;
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g_print ("All audio streams: \n");
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for (l = list; l != NULL; l = l->next) {
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GstPlayerAudioInfo *info = (GstPlayerAudioInfo *) l->data;
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GstPlayerStreamInfo *sinfo = (GstPlayerStreamInfo *) info;
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g_print (" %s_%d #\n", gst_player_stream_info_get_stream_type_nick (sinfo),
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gst_player_stream_info_get_stream_index (sinfo));
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print_audio_info (info);
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}
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}
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static void
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print_current_tracks (GstPlay * play)
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{
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GstPlayerAudioInfo *audio = NULL;
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GstPlayerVideoInfo *video = NULL;
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GstPlayerSubtitleInfo *subtitle = NULL;
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g_print ("Current video track: \n");
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video = gst_player_get_current_video_track (play->player);
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print_video_info (video);
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g_print ("Current audio track: \n");
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audio = gst_player_get_current_audio_track (play->player);
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print_audio_info (audio);
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g_print ("Current subtitle track: \n");
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subtitle = gst_player_get_current_subtitle_track (play->player);
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print_subtitle_info (subtitle);
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if (audio)
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g_object_unref (audio);
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if (video)
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g_object_unref (video);
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if (subtitle)
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g_object_unref (subtitle);
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}
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static void
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print_media_info (GstPlayerMediaInfo * media_info)
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{
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print_all_stream_info (media_info);
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g_print ("\n");
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print_all_video_stream (media_info);
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g_print ("\n");
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print_all_audio_stream (media_info);
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g_print ("\n");
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print_all_subtitle_stream (media_info);
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}
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static void
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media_info_cb (GstPlayer * player, GstPlayerMediaInfo * info, GstPlay * play)
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{
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static int once = 0;
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if (!once) {
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print_media_info (info);
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print_current_tracks (play);
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once = 1;
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}
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}
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static GstPlay *
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play_new (gchar ** uris, gdouble initial_volume)
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{
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@ -128,12 +346,14 @@ play_new (gchar ** uris, gdouble initial_volume)
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G_CALLBACK (position_updated_cb), play);
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g_signal_connect (play->player, "state-changed",
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G_CALLBACK (state_changed_cb), play);
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g_signal_connect (play->player, "buffering",
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G_CALLBACK (buffering_cb), play);
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g_signal_connect (play->player, "buffering", G_CALLBACK (buffering_cb), play);
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g_signal_connect (play->player, "end-of-stream",
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G_CALLBACK (end_of_stream_cb), play);
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g_signal_connect (play->player, "error", G_CALLBACK (error_cb), play);
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g_signal_connect (play->player, "media-info-updated",
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G_CALLBACK (media_info_cb), play);
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play->loop = g_main_loop_new (NULL, FALSE);
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play->desired_state = GST_STATE_PLAYING;
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@ -347,6 +567,16 @@ keyboard_cb (const gchar * key_input, gpointer user_data)
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GstPlay *play = (GstPlay *) user_data;
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switch (g_ascii_tolower (key_input[0])) {
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case 'i':
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{
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GstPlayerMediaInfo *media_info = gst_player_get_media_info (play->player);
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if (media_info) {
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print_media_info (media_info);
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g_object_unref (media_info);
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print_current_tracks (play);
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}
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break;
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}
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case ' ':
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toggle_paused (play);
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break;
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