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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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tagmux: add support for end tags
Originally "id3tag: Add new id3 tagging plugin, supports v1, v2.3, and v2.4." from gst-plugins-bad. This is an artificial bridge commit.
This commit is contained in:
Michael Smith
Tim-Philipp Müller
parent
b567db4155
commit
e16f2f891a
2 changed files with 228 additions and 132 deletions
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@ -1,8 +1,10 @@
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/* GStreamer taglib-based muxer base class
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/* GStreamer tag muxer base class
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*
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* Copyright (C) 2006 Christophe Fergeau <teuf@gnome.org>
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* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
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* Copyright (C) 2006 Sebastian Dröge <slomo@circular-chaos.org>
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* Copyright (C) 2009 Pioneers of the Inevitable <songbird@songbirdnest.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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@ -27,19 +29,22 @@
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#include <gst/gsttagsetter.h>
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#include <gst/tag/tag.h>
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#include "gsttaglibmux.h"
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#include "gsttagmux.h"
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GST_DEBUG_CATEGORY_STATIC (gst_tag_lib_mux_debug);
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#define GST_CAT_DEFAULT gst_tag_lib_mux_debug
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GST_DEBUG_CATEGORY_STATIC (gst_tag_mux_debug);
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#define GST_CAT_DEFAULT gst_tag_mux_debug
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static GstStaticPadTemplate gst_tag_lib_mux_sink_template =
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/* Subclass provides a src template and pad. We accept anything as input here,
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however. */
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static GstStaticPadTemplate gst_tag_mux_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("ANY"));
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static void
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gst_tag_lib_mux_iface_init (GType taglib_type)
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gst_tag_mux_iface_init (GType tag_type)
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{
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static const GInterfaceInfo tag_setter_info = {
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NULL,
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@ -47,23 +52,22 @@ gst_tag_lib_mux_iface_init (GType taglib_type)
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NULL
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};
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g_type_add_interface_static (taglib_type, GST_TYPE_TAG_SETTER,
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&tag_setter_info);
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g_type_add_interface_static (tag_type, GST_TYPE_TAG_SETTER, &tag_setter_info);
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}
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GST_BOILERPLATE_FULL (GstTagLibMux, gst_tag_lib_mux,
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GstElement, GST_TYPE_ELEMENT, gst_tag_lib_mux_iface_init);
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GST_BOILERPLATE_FULL (GstTagMux, gst_tag_mux,
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GstElement, GST_TYPE_ELEMENT, gst_tag_mux_iface_init);
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static GstStateChangeReturn
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gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition);
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static GstFlowReturn gst_tag_lib_mux_chain (GstPad * pad, GstBuffer * buffer);
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static gboolean gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event);
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gst_tag_mux_change_state (GstElement * element, GstStateChange transition);
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static GstFlowReturn gst_tag_mux_chain (GstPad * pad, GstBuffer * buffer);
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static gboolean gst_tag_mux_sink_event (GstPad * pad, GstEvent * event);
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static void
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gst_tag_lib_mux_finalize (GObject * obj)
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gst_tag_mux_finalize (GObject * obj)
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{
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GstTagLibMux *mux = GST_TAG_LIB_MUX (obj);
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GstTagMux *mux = GST_TAG_MUX (obj);
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if (mux->newsegment_ev) {
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gst_event_unref (mux->newsegment_ev);
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@ -75,23 +79,28 @@ gst_tag_lib_mux_finalize (GObject * obj)
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mux->event_tags = NULL;
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}
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if (mux->final_tags) {
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gst_tag_list_free (mux->final_tags);
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mux->final_tags = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (obj);
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}
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static void
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gst_tag_lib_mux_base_init (gpointer g_class)
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gst_tag_mux_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_tag_lib_mux_sink_template));
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gst_static_pad_template_get (&gst_tag_mux_sink_template));
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GST_DEBUG_CATEGORY_INIT (gst_tag_lib_mux_debug, "taglibmux", 0,
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"taglib-based muxer");
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GST_DEBUG_CATEGORY_INIT (gst_tag_mux_debug, "tagmux", 0,
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"tag muxer base class");
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}
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static void
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gst_tag_lib_mux_class_init (GstTagLibMuxClass * klass)
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gst_tag_mux_class_init (GstTagMuxClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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@ -99,24 +108,23 @@ gst_tag_lib_mux_class_init (GstTagLibMuxClass * klass)
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gobject_class->finalize = gst_tag_lib_mux_finalize;
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_tag_lib_mux_change_state);
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_tag_mux_finalize);
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gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_tag_mux_change_state);
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}
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static void
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gst_tag_lib_mux_init (GstTagLibMux * mux, GstTagLibMuxClass * mux_class)
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gst_tag_mux_init (GstTagMux * mux, GstTagMuxClass * mux_class)
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{
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GstElementClass *element_klass = GST_ELEMENT_CLASS (mux_class);
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GstPadTemplate *tmpl;
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/* pad through which data comes in to the element */
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mux->sinkpad =
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gst_pad_new_from_static_template (&gst_tag_lib_mux_sink_template, "sink");
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gst_pad_new_from_static_template (&gst_tag_mux_sink_template, "sink");
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gst_pad_set_chain_function (mux->sinkpad,
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GST_DEBUG_FUNCPTR (gst_tag_lib_mux_chain));
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GST_DEBUG_FUNCPTR (gst_tag_mux_chain));
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gst_pad_set_event_function (mux->sinkpad,
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GST_DEBUG_FUNCPTR (gst_tag_lib_mux_sink_event));
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GST_DEBUG_FUNCPTR (gst_tag_mux_sink_event));
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gst_element_add_pad (GST_ELEMENT (mux), mux->sinkpad);
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/* pad through which data goes out of the element */
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@ -128,21 +136,19 @@ gst_tag_lib_mux_init (GstTagLibMux * mux, GstTagLibMuxClass * mux_class)
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gst_element_add_pad (GST_ELEMENT (mux), mux->srcpad);
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}
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mux->render_tag = TRUE;
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mux->render_start_tag = TRUE;
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mux->render_end_tag = TRUE;
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}
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static GstBuffer *
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gst_tag_lib_mux_render_tag (GstTagLibMux * mux)
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static GstTagList *
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gst_tag_mux_get_tags (GstTagMux * mux)
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{
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GstTagLibMuxClass *klass;
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GstTagMergeMode merge_mode;
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GstTagSetter *tagsetter;
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GstBuffer *buffer;
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GstTagSetter *tagsetter = GST_TAG_SETTER (mux);
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const GstTagList *tagsetter_tags;
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GstTagList *taglist;
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GstEvent *event;
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GstTagMergeMode merge_mode;
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tagsetter = GST_TAG_SETTER (mux);
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if (mux->final_tags)
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return mux->final_tags;
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tagsetter_tags = gst_tag_setter_get_tag_list (tagsetter);
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merge_mode = gst_tag_setter_get_tag_merge_mode (tagsetter);
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@ -151,22 +157,42 @@ gst_tag_lib_mux_render_tag (GstTagLibMux * mux)
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GST_LOG_OBJECT (mux, "event tags: %" GST_PTR_FORMAT, mux->event_tags);
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GST_LOG_OBJECT (mux, "set tags: %" GST_PTR_FORMAT, tagsetter_tags);
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taglist = gst_tag_list_merge (tagsetter_tags, mux->event_tags, merge_mode);
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mux->final_tags =
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gst_tag_list_merge (tagsetter_tags, mux->event_tags, merge_mode);
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GST_LOG_OBJECT (mux, "final tags: %" GST_PTR_FORMAT, taglist);
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GST_LOG_OBJECT (mux, "final tags: %" GST_PTR_FORMAT, mux->final_tags);
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klass = GST_TAG_LIB_MUX_CLASS (G_OBJECT_GET_CLASS (mux));
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return mux->final_tags;
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}
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if (klass->render_tag == NULL)
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static GstFlowReturn
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gst_tag_mux_render_start_tag (GstTagMux * mux)
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{
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GstTagMuxClass *klass;
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GstBuffer *buffer;
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GstTagList *taglist;
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GstEvent *event;
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GstFlowReturn ret;
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taglist = gst_tag_mux_get_tags (mux);
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klass = GST_TAG_MUX_CLASS (G_OBJECT_GET_CLASS (mux));
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if (klass->render_start_tag == NULL)
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goto no_vfunc;
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buffer = klass->render_tag (mux, taglist);
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buffer = klass->render_start_tag (mux, taglist);
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if (buffer == NULL)
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goto render_error;
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/* Null buffer is ok, just means we're not outputting anything */
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if (buffer == NULL) {
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GST_INFO_OBJECT (mux, "No start tag generated");
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mux->start_tag_size = 0;
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return GST_FLOW_OK;
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}
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mux->tag_size = GST_BUFFER_SIZE (buffer);
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GST_LOG_OBJECT (mux, "tag size = %" G_GSIZE_FORMAT " bytes", mux->tag_size);
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mux->start_tag_size = GST_BUFFER_SIZE (buffer);
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GST_LOG_OBJECT (mux, "tag size = %" G_GSIZE_FORMAT " bytes",
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mux->start_tag_size);
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/* Send newsegment event from byte position 0, so the tag really gets
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* written to the start of the file, independent of the upstream segment */
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@ -174,31 +200,74 @@ gst_tag_lib_mux_render_tag (GstTagLibMux * mux)
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gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0));
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/* Send an event about the new tags to downstream elements */
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/* gst_event_new_tag takes ownership of the list, so no need to unref it */
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event = gst_event_new_tag (taglist);
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/* gst_event_new_tag takes ownership of the list, so use a copy */
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event = gst_event_new_tag (gst_tag_list_copy (taglist));
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gst_pad_push_event (mux->srcpad, event);
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GST_BUFFER_OFFSET (buffer) = 0;
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ret = gst_pad_push (mux->srcpad, buffer);
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return buffer;
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mux->current_offset = mux->start_tag_size;
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mux->max_offset = MAX (mux->max_offset, mux->current_offset);
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return ret;
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no_vfunc:
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{
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GST_ERROR_OBJECT (mux, "Subclass does not implement render_tag vfunc!");
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gst_tag_list_free (taglist);
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return NULL;
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GST_ERROR_OBJECT (mux, "Subclass does not implement "
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"render_start_tag vfunc!");
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return GST_FLOW_ERROR;
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}
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}
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static GstFlowReturn
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gst_tag_mux_render_end_tag (GstTagMux * mux)
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{
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GstTagMuxClass *klass;
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GstBuffer *buffer;
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GstTagList *taglist;
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GstFlowReturn ret;
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taglist = gst_tag_mux_get_tags (mux);
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klass = GST_TAG_MUX_CLASS (G_OBJECT_GET_CLASS (mux));
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if (klass->render_end_tag == NULL)
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goto no_vfunc;
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buffer = klass->render_end_tag (mux, taglist);
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if (buffer == NULL) {
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GST_INFO_OBJECT (mux, "No end tag generated");
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mux->end_tag_size = 0;
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return GST_FLOW_OK;
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}
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render_error:
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mux->end_tag_size = GST_BUFFER_SIZE (buffer);
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GST_LOG_OBJECT (mux, "tag size = %" G_GSIZE_FORMAT " bytes",
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mux->end_tag_size);
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/* Send newsegment event from the end of the file, so it gets written there,
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independent of whatever new segment events upstream has sent us */
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gst_pad_push_event (mux->srcpad,
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gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, mux->max_offset,
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-1, 0));
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GST_BUFFER_OFFSET (buffer) = mux->max_offset;
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ret = gst_pad_push (mux->srcpad, buffer);
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return ret;
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no_vfunc:
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{
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GST_ERROR_OBJECT (mux, "Failed to render tag");
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gst_tag_list_free (taglist);
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return NULL;
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GST_ERROR_OBJECT (mux, "Subclass does not implement "
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"render_end_tag vfunc!");
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return GST_FLOW_ERROR;
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}
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}
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static GstEvent *
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gst_tag_lib_mux_adjust_event_offsets (GstTagLibMux * mux,
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gst_tag_mux_adjust_event_offsets (GstTagMux * mux,
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const GstEvent * newsegment_event)
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{
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GstFormat format;
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@ -210,33 +279,30 @@ gst_tag_lib_mux_adjust_event_offsets (GstTagLibMux * mux,
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g_assert (format == GST_FORMAT_BYTES);
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if (start != -1)
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start += mux->tag_size;
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start += mux->start_tag_size;
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if (stop != -1)
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stop += mux->tag_size;
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stop += mux->start_tag_size;
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if (cur != -1)
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cur += mux->tag_size;
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cur += mux->start_tag_size;
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GST_DEBUG_OBJECT (mux, "adjusting newsegment event offsets to start=%"
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G_GINT64_FORMAT ", stop=%" G_GINT64_FORMAT ", cur=%" G_GINT64_FORMAT
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" (delta = +%" G_GSIZE_FORMAT ")", start, stop, cur, mux->tag_size);
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" (delta = +%" G_GSIZE_FORMAT ")", start, stop, cur, mux->start_tag_size);
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return gst_event_new_new_segment (TRUE, 1.0, format, start, stop, cur);
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}
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static GstFlowReturn
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gst_tag_lib_mux_chain (GstPad * pad, GstBuffer * buffer)
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gst_tag_mux_chain (GstPad * pad, GstBuffer * buffer)
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{
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GstTagLibMux *mux = GST_TAG_LIB_MUX (GST_OBJECT_PARENT (pad));
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GstTagMux *mux = GST_TAG_MUX (GST_OBJECT_PARENT (pad));
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GstFlowReturn ret;
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int length;
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if (mux->render_tag) {
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GstFlowReturn ret;
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GstBuffer *tag_buffer;
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if (mux->render_start_tag) {
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GST_INFO_OBJECT (mux, "Adding tags to stream");
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tag_buffer = gst_tag_lib_mux_render_tag (mux);
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if (tag_buffer == NULL)
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goto no_tag_buffer;
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ret = gst_pad_push (mux->srcpad, tag_buffer);
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ret = gst_tag_mux_render_start_tag (mux);
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if (ret != GST_FLOW_OK) {
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GST_DEBUG_OBJECT (mux, "flow: %s", gst_flow_get_name (ret));
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gst_buffer_unref (buffer);
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@ -245,16 +311,25 @@ gst_tag_lib_mux_chain (GstPad * pad, GstBuffer * buffer)
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/* Now send the cached newsegment event that we got from upstream */
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if (mux->newsegment_ev) {
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gint64 start;
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GstEvent *newseg;
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GST_DEBUG_OBJECT (mux, "sending cached newsegment event");
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gst_pad_push_event (mux->srcpad,
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gst_tag_lib_mux_adjust_event_offsets (mux, mux->newsegment_ev));
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newseg = gst_tag_mux_adjust_event_offsets (mux, mux->newsegment_ev);
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gst_event_unref (mux->newsegment_ev);
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mux->newsegment_ev = NULL;
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gst_event_parse_new_segment (newseg, NULL, NULL, NULL, &start, NULL,
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NULL);
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gst_pad_push_event (mux->srcpad, newseg);
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mux->current_offset = start;
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mux->max_offset = MAX (mux->max_offset, mux->current_offset);
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} else {
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/* upstream sent no newsegment event or only one in a non-BYTE format */
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}
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mux->render_tag = FALSE;
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mux->render_start_tag = FALSE;
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}
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buffer = gst_buffer_make_metadata_writable (buffer);
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@ -262,28 +337,28 @@ gst_tag_lib_mux_chain (GstPad * pad, GstBuffer * buffer)
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if (GST_BUFFER_OFFSET (buffer) != GST_BUFFER_OFFSET_NONE) {
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GST_LOG_OBJECT (mux, "Adjusting buffer offset from %" G_GINT64_FORMAT
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" to %" G_GINT64_FORMAT, GST_BUFFER_OFFSET (buffer),
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GST_BUFFER_OFFSET (buffer) + mux->tag_size);
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GST_BUFFER_OFFSET (buffer) += mux->tag_size;
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GST_BUFFER_OFFSET (buffer) + mux->start_tag_size);
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GST_BUFFER_OFFSET (buffer) += mux->start_tag_size;
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}
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length = GST_BUFFER_SIZE (buffer);
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gst_buffer_set_caps (buffer, GST_PAD_CAPS (mux->srcpad));
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return gst_pad_push (mux->srcpad, buffer);
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ret = gst_pad_push (mux->srcpad, buffer);
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/* ERRORS */
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no_tag_buffer:
|
||||
{
|
||||
GST_ELEMENT_ERROR (mux, LIBRARY, ENCODE, (NULL), (NULL));
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
mux->current_offset += length;
|
||||
mux->max_offset = MAX (mux->max_offset, mux->current_offset);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
|
||||
gst_tag_mux_sink_event (GstPad * pad, GstEvent * event)
|
||||
{
|
||||
GstTagLibMux *mux;
|
||||
GstTagMux *mux;
|
||||
gboolean result;
|
||||
|
||||
mux = GST_TAG_LIB_MUX (gst_pad_get_parent (pad));
|
||||
mux = GST_TAG_MUX (gst_pad_get_parent (pad));
|
||||
result = FALSE;
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
|
|
@ -303,15 +378,16 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
|
|||
GST_INFO_OBJECT (mux, "Event tags are now: %" GST_PTR_FORMAT,
|
||||
mux->event_tags);
|
||||
|
||||
/* just drop the event, we'll push a new tag event in render_tag */
|
||||
/* just drop the event, we'll push a new tag event in render_start_tag */
|
||||
gst_event_unref (event);
|
||||
result = TRUE;
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_NEWSEGMENT:{
|
||||
GstFormat fmt;
|
||||
gint64 start;
|
||||
|
||||
gst_event_parse_new_segment (event, NULL, NULL, &fmt, NULL, NULL, NULL);
|
||||
gst_event_parse_new_segment (event, NULL, NULL, &fmt, &start, NULL, NULL);
|
||||
|
||||
if (fmt != GST_FORMAT_BYTES) {
|
||||
GST_WARNING_OBJECT (mux, "dropping newsegment event in %s format",
|
||||
|
|
@ -320,7 +396,7 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
|
|||
break;
|
||||
}
|
||||
|
||||
if (mux->render_tag) {
|
||||
if (mux->render_start_tag) {
|
||||
/* we have not rendered the tag yet, which means that we don't know
|
||||
* how large it is going to be yet, so we can't adjust the offsets
|
||||
* here at this point and need to cache the newsegment event for now
|
||||
|
|
@ -336,13 +412,34 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
|
|||
} else {
|
||||
GST_DEBUG_OBJECT (mux, "got newsegment event, adjusting offsets");
|
||||
gst_pad_push_event (mux->srcpad,
|
||||
gst_tag_lib_mux_adjust_event_offsets (mux, event));
|
||||
gst_tag_mux_adjust_event_offsets (mux, event));
|
||||
gst_event_unref (event);
|
||||
|
||||
mux->current_offset = start;
|
||||
mux->max_offset = MAX (mux->max_offset, mux->current_offset);
|
||||
}
|
||||
event = NULL;
|
||||
result = TRUE;
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_EOS:{
|
||||
if (mux->render_end_tag) {
|
||||
GstFlowReturn ret;
|
||||
|
||||
GST_INFO_OBJECT (mux, "Adding tags to stream");
|
||||
ret = gst_tag_mux_render_end_tag (mux);
|
||||
if (ret != GST_FLOW_OK) {
|
||||
GST_DEBUG_OBJECT (mux, "flow: %s", gst_flow_get_name (ret));
|
||||
return ret;
|
||||
}
|
||||
|
||||
mux->render_end_tag = FALSE;
|
||||
}
|
||||
|
||||
/* Now forward EOS */
|
||||
result = gst_pad_event_default (pad, event);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
result = gst_pad_event_default (pad, event);
|
||||
break;
|
||||
|
|
@ -355,12 +452,12 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
|
|||
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition)
|
||||
gst_tag_mux_change_state (GstElement * element, GstStateChange transition)
|
||||
{
|
||||
GstTagLibMux *mux;
|
||||
GstTagMux *mux;
|
||||
GstStateChangeReturn result;
|
||||
|
||||
mux = GST_TAG_LIB_MUX (element);
|
||||
mux = GST_TAG_MUX (element);
|
||||
|
||||
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||
if (result != GST_STATE_CHANGE_SUCCESS) {
|
||||
|
|
@ -377,8 +474,12 @@ gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition)
|
|||
gst_tag_list_free (mux->event_tags);
|
||||
mux->event_tags = NULL;
|
||||
}
|
||||
mux->tag_size = 0;
|
||||
mux->render_tag = TRUE;
|
||||
mux->start_tag_size = 0;
|
||||
mux->end_tag_size = 0;
|
||||
mux->render_start_tag = TRUE;
|
||||
mux->render_end_tag = TRUE;
|
||||
mux->current_offset = 0;
|
||||
mux->max_offset = 0;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
|
|
@ -387,16 +488,3 @@ gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition)
|
|||
|
||||
return result;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return (gst_id3v2_mux_plugin_init (plugin)
|
||||
&& gst_apev2_mux_plugin_init (plugin));
|
||||
}
|
||||
|
||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||
GST_VERSION_MINOR,
|
||||
"taglib",
|
||||
"Tag writing plug-in based on taglib",
|
||||
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|
||||
|
|
|
|||
|
|
@ -1,7 +1,9 @@
|
|||
/* GStreamer taglib-based muxer base class
|
||||
/* GStreamer tag muxer base class
|
||||
*
|
||||
* Copyright (C) 2006 Christophe Fergeau <teuf@gnome.org>
|
||||
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
|
||||
|
||||
* Copyright (C) 2009 Pioneers of the Inevitable <songbird@songbirdnest.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
|
|
@ -18,54 +20,60 @@
|
|||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifndef GST_TAG_LIB_MUX_H
|
||||
#define GST_TAG_LIB_MUX_H
|
||||
#ifndef GST_TAG_MUX_H
|
||||
#define GST_TAG_MUX_H
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _GstTagLibMux GstTagLibMux;
|
||||
typedef struct _GstTagLibMuxClass GstTagLibMuxClass;
|
||||
typedef struct _GstTagMux GstTagMux;
|
||||
typedef struct _GstTagMuxClass GstTagMuxClass;
|
||||
|
||||
/* Definition of structure storing data for this element. */
|
||||
struct _GstTagLibMux {
|
||||
struct _GstTagMux {
|
||||
GstElement element;
|
||||
|
||||
GstPad *srcpad;
|
||||
GstPad *sinkpad;
|
||||
GstTagList *event_tags; /* tags received from upstream elements */
|
||||
gsize tag_size;
|
||||
gboolean render_tag;
|
||||
GstTagList *final_tags; /* Final set of tags used for muxing */
|
||||
gsize start_tag_size;
|
||||
gsize end_tag_size;
|
||||
gboolean render_start_tag;
|
||||
gboolean render_end_tag;
|
||||
|
||||
gint64 current_offset;
|
||||
gint64 max_offset;
|
||||
|
||||
GstEvent *newsegment_ev; /* cached newsegment event from upstream */
|
||||
};
|
||||
|
||||
/* Standard definition defining a class for this element. */
|
||||
struct _GstTagLibMuxClass {
|
||||
struct _GstTagMuxClass {
|
||||
GstElementClass parent_class;
|
||||
|
||||
/* vfuncs */
|
||||
GstBuffer * (*render_tag) (GstTagLibMux * mux, GstTagList * tag_list);
|
||||
GstBuffer * (*render_start_tag) (GstTagMux * mux, GstTagList * tag_list);
|
||||
GstBuffer * (*render_end_tag) (GstTagMux * mux, GstTagList * tag_list);
|
||||
};
|
||||
|
||||
/* Standard macros for defining types for this element. */
|
||||
#define GST_TYPE_TAG_LIB_MUX \
|
||||
(gst_tag_lib_mux_get_type())
|
||||
#define GST_TAG_LIB_MUX(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAG_LIB_MUX,GstTagLibMux))
|
||||
#define GST_TAG_LIB_MUX_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAG_LIB_MUX,GstTagLibMuxClass))
|
||||
#define GST_IS_TAG_LIB_MUX(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAG_LIB_MUX))
|
||||
#define GST_IS_TAG_LIB_MUX_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAG_LIB_MUX))
|
||||
#define GST_TYPE_TAG_MUX \
|
||||
(gst_tag_mux_get_type())
|
||||
#define GST_TAG_MUX(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAG_MUX,GstTagMux))
|
||||
#define GST_TAG_MUX_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAG_MUX,GstTagMuxClass))
|
||||
#define GST_IS_TAG_MUX(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAG_MUX))
|
||||
#define GST_IS_TAG_MUX_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAG_MUX))
|
||||
|
||||
/* Standard function returning type information. */
|
||||
GType gst_tag_lib_mux_get_type (void);
|
||||
gboolean gst_apev2_mux_plugin_init (GstPlugin * plugin);
|
||||
gboolean gst_id3v2_mux_plugin_init (GstPlugin * plugin);
|
||||
GType gst_tag_mux_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue