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HYL_OK3568_LINUX/yocto/meta-rockchip/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base_1.22/0005-playbin3-Fix-Qt-videoplayer-cannot-change-video-stat.patch
HYL c6e7b553e6 first commit
2025-05-10 21:49:39 +08:00

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From c6821dfd9a19ad9ea484622a48ef58986aac43e9 Mon Sep 17 00:00:00 2001
From: Jeffy Chen <jeffy.chen@rock-chips.com>
Date: Tue, 20 Nov 2018 14:51:36 +0800
Subject: [PATCH 05/14] playbin3: Fix Qt videoplayer cannot change video state
Change-Id: I765bbe0caebe333855bd16fdd0843e0257491246
Signed-off-by: shine.liu <shine.liu@rock-chips.com>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---
gst/playback/gstplaybin3.c | 252 +++++++++++++++++++++++++++++++++++++
1 file changed, 252 insertions(+)
diff --git a/gst/playback/gstplaybin3.c b/gst/playback/gstplaybin3.c
index 46eb478..f059474 100644
--- a/gst/playback/gstplaybin3.c
+++ b/gst/playback/gstplaybin3.c
@@ -388,6 +388,16 @@ struct _GstPlayBin3Class
/* get the last video sample and convert it to the given caps */
GstSample *(*convert_sample) (GstPlayBin3 * playbin, GstCaps * caps);
+
+ /* notify app that number of audio/video/text streams changed */
+ void (*video_changed) (GstPlayBin3 * playbin);
+ void (*audio_changed) (GstPlayBin3 * playbin);
+ void (*text_changed) (GstPlayBin3 * playbin);
+
+ /* get audio/video/text tags for a stream */
+ GstTagList *(*get_video_tags) (GstPlayBin3 * playbin, gint stream);
+ GstTagList *(*get_audio_tags) (GstPlayBin3 * playbin, gint stream);
+ GstTagList *(*get_text_tags) (GstPlayBin3 * playbin, gint stream);
};
/* props */
@@ -421,6 +431,12 @@ enum
PROP_SUBURI,
PROP_CURRENT_SUBURI,
PROP_FLAGS,
+ PROP_N_VIDEO,
+ PROP_CURRENT_VIDEO,
+ PROP_N_AUDIO,
+ PROP_CURRENT_AUDIO,
+ PROP_N_TEXT,
+ PROP_CURRENT_TEXT,
PROP_SUBTITLE_ENCODING,
PROP_AUDIO_SINK,
PROP_VIDEO_SINK,
@@ -454,6 +470,12 @@ enum
SIGNAL_CONVERT_SAMPLE,
SIGNAL_SOURCE_SETUP,
SIGNAL_ELEMENT_SETUP,
+ SIGNAL_VIDEO_CHANGED,
+ SIGNAL_AUDIO_CHANGED,
+ SIGNAL_TEXT_CHANGED,
+ SIGNAL_GET_VIDEO_TAGS,
+ SIGNAL_GET_AUDIO_TAGS,
+ SIGNAL_GET_TEXT_TAGS,
LAST_SIGNAL
};
@@ -473,6 +495,13 @@ static void gst_play_bin3_deep_element_added (GstBin * playbin,
static gboolean gst_play_bin3_send_event (GstElement * element,
GstEvent * event);
+static GstTagList *gst_play_bin3_get_video_tags (GstPlayBin3 * playbin,
+ gint stream);
+static GstTagList *gst_play_bin3_get_audio_tags (GstPlayBin3 * playbin,
+ gint stream);
+static GstTagList *gst_play_bin3_get_text_tags (GstPlayBin3 * playbin,
+ gint stream);
+
static GstSample *gst_play_bin3_convert_sample (GstPlayBin3 * playbin,
GstCaps * caps);
@@ -610,6 +639,36 @@ gst_play_bin3_class_init (GstPlayBin3Class * klass)
GST_TYPE_PLAY_FLAGS, DEFAULT_FLAGS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_klass, PROP_N_VIDEO,
+ g_param_spec_int ("n-video", "Number Video",
+ "Total number of video streams", 0, G_MAXINT, 0,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_klass, PROP_CURRENT_VIDEO,
+ g_param_spec_int ("current-video", "Current Video",
+ "Currently playing video stream (-1 = auto)",
+ -1, G_MAXINT, -1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_klass, PROP_N_AUDIO,
+ g_param_spec_int ("n-audio", "Number Audio",
+ "Total number of audio streams", 0, G_MAXINT, 0,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_klass, PROP_CURRENT_AUDIO,
+ g_param_spec_int ("current-audio", "Current audio",
+ "Currently playing audio stream (-1 = auto)",
+ -1, G_MAXINT, -1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_klass, PROP_N_TEXT,
+ g_param_spec_int ("n-text", "Number Text",
+ "Total number of text streams", 0, G_MAXINT, 0,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_klass, PROP_CURRENT_TEXT,
+ g_param_spec_int ("current-text", "Current Text",
+ "Currently playing text stream (-1 = auto)",
+ -1, G_MAXINT, -1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
g_object_class_install_property (gobject_klass, PROP_SUBTITLE_ENCODING,
g_param_spec_string ("subtitle-encoding", "subtitle encoding",
"Encoding to assume if input subtitles are not in UTF-8 encoding. "
@@ -893,6 +952,41 @@ gst_play_bin3_class_init (GstPlayBin3Class * klass)
g_signal_new ("element-setup", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 1, GST_TYPE_ELEMENT);
+ gst_play_bin3_signals[SIGNAL_VIDEO_CHANGED] =
+ g_signal_new ("video-changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstPlayBin3Class, video_changed), NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 0, G_TYPE_NONE);
+
+ gst_play_bin3_signals[SIGNAL_AUDIO_CHANGED] =
+ g_signal_new ("audio-changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstPlayBin3Class, audio_changed), NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 0, G_TYPE_NONE);
+
+ gst_play_bin3_signals[SIGNAL_TEXT_CHANGED] =
+ g_signal_new ("text-changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstPlayBin3Class, text_changed), NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 0, G_TYPE_NONE);
+
+ gst_play_bin3_signals[SIGNAL_GET_VIDEO_TAGS] =
+ g_signal_new ("get-video-tags", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GstPlayBin3Class, get_video_tags), NULL, NULL,
+ g_cclosure_marshal_generic, GST_TYPE_TAG_LIST, 1, G_TYPE_INT);
+
+ gst_play_bin3_signals[SIGNAL_GET_AUDIO_TAGS] =
+ g_signal_new ("get-audio-tags", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GstPlayBin3Class, get_audio_tags), NULL, NULL,
+ g_cclosure_marshal_generic, GST_TYPE_TAG_LIST, 1, G_TYPE_INT);
+
+ gst_play_bin3_signals[SIGNAL_GET_TEXT_TAGS] =
+ g_signal_new ("get-text-tags", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GstPlayBin3Class, get_text_tags), NULL, NULL,
+ g_cclosure_marshal_generic, GST_TYPE_TAG_LIST, 1, G_TYPE_INT);
/**
* GstPlayBin3::convert-sample
* @playbin: a #GstPlayBin3
@@ -914,6 +1008,10 @@ gst_play_bin3_class_init (GstPlayBin3Class * klass)
G_STRUCT_OFFSET (GstPlayBin3Class, convert_sample), NULL, NULL,
NULL, GST_TYPE_SAMPLE, 1, GST_TYPE_CAPS);
+ klass->get_video_tags = gst_play_bin3_get_video_tags;
+ klass->get_audio_tags = gst_play_bin3_get_audio_tags;
+ klass->get_text_tags = gst_play_bin3_get_text_tags;
+
klass->convert_sample = gst_play_bin3_convert_sample;
gst_element_class_set_static_metadata (gstelement_klass,
@@ -1232,6 +1330,73 @@ gst_play_bin3_set_flags (GstPlayBin3 * playbin, GstPlayFlags flags)
"use-buffering", ((flags & GST_PLAY_FLAG_BUFFERING) != 0), NULL);
}
+static GstTagList *
+get_tags (GstPlayBin3 * playbin, gint type, gint stream)
+{
+ GstTagList *result;
+ GPtrArray *channels;
+ GstPad *sinkpad;
+
+ switch (type) {
+ case PLAYBIN_STREAM_AUDIO:
+ channels = playbin->combiner[PLAYBIN_STREAM_AUDIO].streams;
+ break;
+ case PLAYBIN_STREAM_VIDEO:
+ channels = playbin->combiner[PLAYBIN_STREAM_VIDEO].streams;
+ break;
+ case PLAYBIN_STREAM_TEXT:
+ channels = playbin->combiner[PLAYBIN_STREAM_TEXT].streams;
+ break;
+ default:
+ channels = NULL;
+ break;
+ }
+
+ if (!channels || stream >= channels->len)
+ return NULL;
+
+ sinkpad = g_ptr_array_index (channels, stream);
+ g_object_get (sinkpad, "tags", &result, NULL);
+
+ return result;
+}
+
+static GstTagList *
+gst_play_bin3_get_video_tags (GstPlayBin3 * playbin, gint stream)
+{
+ GstTagList *result;
+
+ GST_PLAY_BIN3_LOCK (playbin);
+ result = get_tags (playbin, PLAYBIN_STREAM_VIDEO, stream);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+
+ return result;
+}
+
+static GstTagList *
+gst_play_bin3_get_audio_tags (GstPlayBin3 * playbin, gint stream)
+{
+ GstTagList *result;
+
+ GST_PLAY_BIN3_LOCK (playbin);
+ result = get_tags (playbin, PLAYBIN_STREAM_AUDIO, stream);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+
+ return result;
+}
+
+static GstTagList *
+gst_play_bin3_get_text_tags (GstPlayBin3 * playbin, gint stream)
+{
+ GstTagList *result;
+
+ GST_PLAY_BIN3_LOCK (playbin);
+ result = get_tags (playbin, PLAYBIN_STREAM_TEXT, stream);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+
+ return result;
+}
+
static GstSample *
gst_play_bin3_convert_sample (GstPlayBin3 * playbin, GstCaps * caps)
{
@@ -1435,6 +1600,15 @@ gst_play_bin3_set_property (GObject * object, guint prop_id,
case PROP_FLAGS:
gst_play_bin3_set_flags (playbin, g_value_get_flags (value));
break;
+ case PROP_CURRENT_VIDEO:
+ gst_play_bin3_set_current_video_stream (playbin, g_value_get_int (value));
+ break;
+ case PROP_CURRENT_AUDIO:
+ gst_play_bin3_set_current_audio_stream (playbin, g_value_get_int (value));
+ break;
+ case PROP_CURRENT_TEXT:
+ gst_play_bin3_set_current_text_stream (playbin, g_value_get_int (value));
+ break;
case PROP_SUBTITLE_ENCODING:
gst_play_bin3_set_encoding (playbin, g_value_get_string (value));
break;
@@ -1595,6 +1769,57 @@ gst_play_bin3_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_FLAGS:
g_value_set_flags (value, gst_play_sink_get_flags (playbin->playsink));
break;
+ case PROP_N_VIDEO:
+ {
+ gint n_video;
+
+ GST_PLAY_BIN3_LOCK (playbin);
+ n_video =
+ (playbin->combiner[PLAYBIN_STREAM_VIDEO].streams ? playbin->
+ combiner[PLAYBIN_STREAM_VIDEO].streams->len : 0);
+ g_value_set_int (value, n_video);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+ break;
+ }
+ case PROP_CURRENT_VIDEO:
+ GST_PLAY_BIN3_LOCK (playbin);
+ g_value_set_int (value, playbin->current_video);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+ break;
+ case PROP_N_AUDIO:
+ {
+ gint n_audio;
+
+ GST_PLAY_BIN3_LOCK (playbin);
+ n_audio =
+ (playbin->combiner[PLAYBIN_STREAM_AUDIO].streams ? playbin->
+ combiner[PLAYBIN_STREAM_AUDIO].streams->len : 0);
+ g_value_set_int (value, n_audio);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+ break;
+ }
+ case PROP_CURRENT_AUDIO:
+ GST_PLAY_BIN3_LOCK (playbin);
+ g_value_set_int (value, playbin->current_audio);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+ break;
+ case PROP_N_TEXT:
+ {
+ gint n_text;
+
+ GST_PLAY_BIN3_LOCK (playbin);
+ n_text =
+ (playbin->combiner[PLAYBIN_STREAM_TEXT].streams ? playbin->
+ combiner[PLAYBIN_STREAM_TEXT].streams->len : 0);
+ g_value_set_int (value, n_text);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+ break;
+ }
+ case PROP_CURRENT_TEXT:
+ GST_PLAY_BIN3_LOCK (playbin);
+ g_value_set_int (value, playbin->current_text);
+ GST_PLAY_BIN3_UNLOCK (playbin);
+ break;
case PROP_SUBTITLE_ENCODING:
GST_PLAY_BIN3_LOCK (playbin);
g_value_take_string (value,
@@ -2429,6 +2654,7 @@ pad_added_cb (GstElement * uridecodebin, GstPad * pad, GstPlayBin3 * playbin)
gchar *pad_name;
GstPad *combine_pad;
GstStreamType selected, active, cur;
+ gboolean changed = FALSE;
pad_name = gst_object_get_name (GST_OBJECT (pad));
@@ -2476,10 +2702,36 @@ pad_added_cb (GstElement * uridecodebin, GstPad * pad, GstPlayBin3 * playbin)
}
combine_pad = combiner_control_pad (playbin, combine, pad);
+ if (combine_pad)
+ changed = combine->combiner ? TRUE : FALSE;
+
control_source_pad (playbin, pad, combine_pad, combine->stream_type);
GST_PLAY_BIN3_UNLOCK (playbin);
+ if (changed) {
+ int signal;
+
+ switch (combine->stream_type) {
+ case GST_STREAM_TYPE_VIDEO:
+ signal = SIGNAL_VIDEO_CHANGED;
+ break;
+ case GST_STREAM_TYPE_AUDIO:
+ signal = SIGNAL_AUDIO_CHANGED;
+ break;
+ case GST_STREAM_TYPE_TEXT:
+ signal = SIGNAL_TEXT_CHANGED;
+ break;
+ default:
+ signal = -1;
+ }
+
+ if (signal >= 0) {
+ g_signal_emit (G_OBJECT (playbin), gst_play_bin3_signals[signal], 0,
+ NULL);
+ }
+ }
+
return;
/* ERRORS */
--
2.20.1
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