mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 05:38:58 +00:00
703 lines
21 KiB
C
703 lines
21 KiB
C
/* GStreamer
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* Copyright (C) 2008 Vincent Penquerc'h <ogg.k.ogg.k@googlemail.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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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/* FIXME: shouldn't all this GstKateDecoderBase stuff really be a base class? */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#ifdef HAVE_TIGER
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#include <tiger/tiger.h>
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#endif
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#include <gst/tag/tag.h>
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#include "gstkate.h"
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#include "gstkateutil.h"
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GST_DEBUG_CATEGORY_EXTERN (gst_kateutil_debug);
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#define GST_CAT_DEFAULT gst_kateutil_debug
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static void gst_kate_util_decoder_base_free_event_queue (GstKateDecoderBase *
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decoder);
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GstCaps *
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gst_kate_util_set_header_on_caps (GstElement * element, GstCaps * caps,
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GList * headers)
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{
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GstStructure *structure;
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GValue array = { 0 };
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GST_LOG_OBJECT (element, "caps: %" GST_PTR_FORMAT, caps);
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if (G_UNLIKELY (!caps))
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return NULL;
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if (G_UNLIKELY (!headers))
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return NULL;
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caps = gst_caps_make_writable (caps);
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structure = gst_caps_get_structure (caps, 0);
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g_value_init (&array, GST_TYPE_ARRAY);
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while (headers) {
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GValue value = { 0 };
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GstBuffer *buffer = headers->data;
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g_assert (buffer);
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g_value_init (&value, GST_TYPE_BUFFER);
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buffer = gst_buffer_copy (buffer);
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GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_HEADER);
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gst_value_take_buffer (&value, buffer);
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gst_value_array_append_value (&array, &value);
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g_value_unset (&value);
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headers = headers->next;
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}
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gst_structure_take_value (structure, "streamheader", &array);
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GST_LOG_OBJECT (element, "here are the newly set caps: %" GST_PTR_FORMAT,
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caps);
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return caps;
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}
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void
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gst_kate_util_install_decoder_base_properties (GObjectClass * gobject_class)
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{
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g_object_class_install_property (gobject_class, ARG_DEC_BASE_LANGUAGE,
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g_param_spec_string ("language", "Language", "The language of the stream",
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"", G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, ARG_DEC_BASE_CATEGORY,
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g_param_spec_string ("category", "Category", "The category of the stream",
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"", G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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ARG_DEC_BASE_ORIGINAL_CANVAS_WIDTH,
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g_param_spec_int ("original-canvas-width",
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"Original canvas width (0 is unspecified)",
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"The canvas width this stream was authored for", 0, G_MAXINT, 0,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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ARG_DEC_BASE_ORIGINAL_CANVAS_HEIGHT,
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g_param_spec_int ("original-canvas-height", "Original canvas height",
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"The canvas height this stream was authored for (0 is unspecified)",
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0, G_MAXINT, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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}
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void
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gst_kate_util_decode_base_init (GstKateDecoderBase * decoder,
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gboolean delay_events)
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{
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if (G_UNLIKELY (!decoder))
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return;
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decoder->language = NULL;
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decoder->category = NULL;
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decoder->original_canvas_width = 0;
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decoder->original_canvas_height = 0;
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decoder->tags = NULL;
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decoder->tags_changed = FALSE;
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decoder->initialized = FALSE;
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decoder->delay_events = delay_events;
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decoder->event_queue = NULL;
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}
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static void
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gst_kate_util_decode_base_reset (GstKateDecoderBase * decoder)
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{
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g_free (decoder->language);
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decoder->language = NULL;
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g_free (decoder->category);
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decoder->category = NULL;
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if (decoder->tags) {
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gst_tag_list_unref (decoder->tags);
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decoder->tags = NULL;
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}
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decoder->tags_changed = FALSE;
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decoder->original_canvas_width = 0;
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decoder->original_canvas_height = 0;
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if (decoder->event_queue) {
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gst_kate_util_decoder_base_free_event_queue (decoder);
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}
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decoder->initialized = FALSE;
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}
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gboolean
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gst_kate_util_decoder_base_queue_event (GstKateDecoderBase * decoder,
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GstEvent * event, gboolean (*handler) (GstPad *, GstObject *, GstEvent *),
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GstObject * parent, GstPad * pad)
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{
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gboolean can_be_queued;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_FLUSH_START:
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case GST_EVENT_FLUSH_STOP:
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case GST_EVENT_EOS:
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can_be_queued = FALSE;
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break;
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case GST_EVENT_SEGMENT:
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gst_kate_util_decoder_base_segment_event (decoder, event);
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can_be_queued = TRUE;
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break;
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default:
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can_be_queued = TRUE;
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break;
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}
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if (GST_EVENT_IS_STICKY (event) && GST_EVENT_TYPE (event) < GST_EVENT_CAPS)
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can_be_queued = FALSE;
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if (decoder->delay_events && can_be_queued) {
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GstKateDecoderBaseQueuedEvent *item;
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GST_DEBUG_OBJECT (decoder, "We have to delay the event");
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item = g_slice_new (GstKateDecoderBaseQueuedEvent);
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if (item) {
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item->event = event;
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item->parent = parent;
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item->pad = pad;
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item->handler = handler;
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g_queue_push_tail (decoder->event_queue, item);
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return TRUE;
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} else {
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return FALSE;
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}
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} else {
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return FALSE;
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}
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}
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static void
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gst_kate_util_decoder_base_free_event_queue (GstKateDecoderBase * decoder)
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{
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while (decoder->event_queue->length) {
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GstKateDecoderBaseQueuedEvent *item = (GstKateDecoderBaseQueuedEvent *)
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g_queue_pop_head (decoder->event_queue);
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gst_event_unref (item->event);
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g_slice_free (GstKateDecoderBaseQueuedEvent, item);
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}
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g_queue_free (decoder->event_queue);
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decoder->event_queue = NULL;
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}
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static void
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gst_kate_util_decoder_base_drain_event_queue (GstKateDecoderBase * decoder)
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{
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decoder->delay_events = FALSE;
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if (decoder->event_queue->length == 0)
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return;
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GST_DEBUG_OBJECT (decoder, "We can now drain all events!");
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while (decoder->event_queue->length) {
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GstKateDecoderBaseQueuedEvent *item = (GstKateDecoderBaseQueuedEvent *)
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g_queue_pop_head (decoder->event_queue);
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(*item->handler) (item->pad, item->parent, item->event);
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g_slice_free (GstKateDecoderBaseQueuedEvent, item);
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}
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}
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void
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gst_kate_util_decoder_base_add_tags (GstKateDecoderBase * decoder,
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GstTagList * tags, gboolean take_ownership_of_tags)
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{
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if (!decoder->tags) {
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if (!take_ownership_of_tags)
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tags = gst_tag_list_ref (tags);
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decoder->tags = tags;
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} else {
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GstTagList *old = decoder->tags;
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decoder->tags = gst_tag_list_merge (old, tags, GST_TAG_MERGE_REPLACE);
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gst_tag_list_unref (old);
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if (take_ownership_of_tags)
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gst_tag_list_unref (tags);
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}
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decoder->tags_changed = TRUE;
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}
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GstEvent *
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gst_kate_util_decoder_base_get_tag_event (GstKateDecoderBase * decoder)
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{
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if (!decoder->tags)
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return NULL;
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decoder->tags_changed = FALSE;
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return gst_event_new_tag (gst_tag_list_ref (decoder->tags));
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}
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gboolean
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gst_kate_util_decoder_base_get_property (GstKateDecoderBase * decoder,
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GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
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{
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gboolean res = TRUE;
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switch (prop_id) {
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case ARG_DEC_BASE_LANGUAGE:
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g_value_set_string (value, decoder->language);
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break;
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case ARG_DEC_BASE_CATEGORY:
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g_value_set_string (value, decoder->category);
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break;
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case ARG_DEC_BASE_ORIGINAL_CANVAS_WIDTH:
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g_value_set_int (value, decoder->original_canvas_width);
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break;
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case ARG_DEC_BASE_ORIGINAL_CANVAS_HEIGHT:
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g_value_set_int (value, decoder->original_canvas_height);
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break;
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default:
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res = FALSE;
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break;
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}
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return res;
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}
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static inline gboolean
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gst_kate_util_is_utf8_string (const char *value, size_t len)
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{
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if (len == 0)
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return FALSE;
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if (memchr (value, 0, len - 1))
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return FALSE;
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if (value[len - 1])
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return FALSE;
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return (kate_text_validate (kate_utf8, value, len) >= 0);
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}
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GstFlowReturn
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gst_kate_util_decoder_base_chain_kate_packet (GstKateDecoderBase * decoder,
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GstElement * element, GstPad * pad, GstBuffer * buf, GstPad * srcpad,
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GstPad * tagpad, GstCaps ** src_caps, const kate_event ** ev)
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{
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kate_packet kp;
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int ret;
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GstFlowReturn rflow = GST_FLOW_OK;
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gboolean is_header;
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GstMapInfo info;
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gsize header_size;
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guint8 header[1];
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header_size = gst_buffer_extract (buf, 0, header, 1);
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GST_DEBUG_OBJECT (element,
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"got kate packet, %" G_GSIZE_FORMAT " bytes, type %02x",
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gst_buffer_get_size (buf), header_size == 0 ? -1 : header[0]);
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is_header = header_size > 0 && (header[0] & 0x80);
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if (!is_header && decoder->tags_changed) {
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/* after we've processed headers, send any tags before processing the data packet */
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GST_DEBUG_OBJECT (element, "Not a header, sending tags for pad %s:%s",
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GST_DEBUG_PAD_NAME (tagpad));
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gst_pad_push_event (tagpad,
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gst_kate_util_decoder_base_get_tag_event (decoder));
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}
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if (gst_buffer_map (buf, &info, GST_MAP_READ)) {
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kate_packet_wrap (&kp, info.size, info.data);
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ret = kate_high_decode_packetin (&decoder->k, &kp, ev);
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gst_buffer_unmap (buf, &info);
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} else {
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GST_ELEMENT_ERROR (element, STREAM, DECODE, (NULL),
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("Failed to map buffer"));
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return GST_FLOW_ERROR;
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}
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if (G_UNLIKELY (ret < 0)) {
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GST_ELEMENT_ERROR (element, STREAM, DECODE, (NULL),
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("Failed to decode Kate packet: %s",
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gst_kate_util_get_error_message (ret)));
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return GST_FLOW_ERROR;
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}
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if (G_UNLIKELY (ret > 0)) {
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GST_DEBUG_OBJECT (element,
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"kate_high_decode_packetin has received EOS packet");
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}
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/* headers may be interesting to retrieve information from */
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if (G_UNLIKELY (is_header)) {
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switch (header[0]) {
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case 0x80: /* ID header */
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GST_INFO_OBJECT (element, "Parsed ID header: language %s, category %s",
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decoder->k.ki->language, decoder->k.ki->category);
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if (src_caps) {
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if (*src_caps) {
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gst_caps_unref (*src_caps);
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*src_caps = NULL;
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}
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if (strcmp (decoder->k.ki->category, "K-SPU") == 0 ||
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strcmp (decoder->k.ki->category, "spu-subtitles") == 0) {
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*src_caps = gst_caps_new_empty_simple ("subpicture/x-dvd");
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} else if (decoder->k.ki->text_markup_type == kate_markup_none) {
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*src_caps = gst_caps_new_simple ("text/x-raw", "format",
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G_TYPE_STRING, "utf8", NULL);
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} else {
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*src_caps = gst_caps_new_simple ("text/x-raw", "format",
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G_TYPE_STRING, "pango-markup", NULL);
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}
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GST_INFO_OBJECT (srcpad, "Setting caps: %" GST_PTR_FORMAT, *src_caps);
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if (!gst_pad_set_caps (srcpad, *src_caps)) {
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GST_ERROR_OBJECT (srcpad, "Failed to set caps %" GST_PTR_FORMAT,
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*src_caps);
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}
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}
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if (decoder->k.ki->language && *decoder->k.ki->language) {
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GstTagList *tags = gst_tag_list_new_empty ();
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gchar *lang_code;
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/* en_GB -> en */
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lang_code = g_ascii_strdown (decoder->k.ki->language, -1);
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g_strdelimit (lang_code, NULL, '\0');
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gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, GST_TAG_LANGUAGE_CODE,
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lang_code, NULL);
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g_free (lang_code);
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/* TODO: category - where should it go ? */
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gst_kate_util_decoder_base_add_tags (decoder, tags, TRUE);
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}
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/* update properties */
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g_free (decoder->language);
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decoder->language = g_strdup (decoder->k.ki->language);
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g_free (decoder->category);
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decoder->category = g_strdup (decoder->k.ki->category);
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decoder->original_canvas_width = decoder->k.ki->original_canvas_width;
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decoder->original_canvas_height = decoder->k.ki->original_canvas_height;
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/* we can now send away any event we've delayed, as the src pad now has caps */
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gst_kate_util_decoder_base_drain_event_queue (decoder);
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break;
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case 0x81: /* Vorbis comments header */
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GST_INFO_OBJECT (element, "Parsed comments header");
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{
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gchar *encoder = NULL;
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GstTagList *list = gst_tag_list_from_vorbiscomment_buffer (buf,
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(const guint8 *) "\201kate\0\0\0\0", 9, &encoder);
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if (!list) {
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GST_ERROR_OBJECT (element, "failed to decode comment header");
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list = gst_tag_list_new_empty ();
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}
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if (encoder) {
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gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
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GST_TAG_ENCODER, encoder, NULL);
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g_free (encoder);
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}
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gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
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GST_TAG_SUBTITLE_CODEC, "Kate", NULL);
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gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
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GST_TAG_ENCODER_VERSION, decoder->k.ki->bitstream_version_major,
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NULL);
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gst_kate_util_decoder_base_add_tags (decoder, list, TRUE);
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if (decoder->initialized) {
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gst_pad_push_event (tagpad,
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gst_event_new_tag (gst_tag_list_ref (decoder->tags)));
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}
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}
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break;
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default:
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break;
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}
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}
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#if ((KATE_VERSION_MAJOR<<16)|(KATE_VERSION_MINOR<<8)|KATE_VERSION_PATCH) >= 0x000400
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else if (*ev && (*ev)->meta) {
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int count = kate_meta_query_count ((*ev)->meta);
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if (count > 0) {
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GstTagList *evtags = gst_tag_list_new_empty ();
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int idx;
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GST_DEBUG_OBJECT (decoder, "Kate event has %d attached metadata", count);
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for (idx = 0; idx < count; ++idx) {
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const char *tag, *value;
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size_t len;
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if (kate_meta_query ((*ev)->meta, idx, &tag, &value, &len) < 0) {
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GST_WARNING_OBJECT (decoder, "Failed to retrieve metadata %d", idx);
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} else {
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if (gst_kate_util_is_utf8_string (value, len)) {
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gchar *compound = g_strdup_printf ("%s=%s", tag, value);
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GST_DEBUG_OBJECT (decoder,
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"Metadata %d: %s=%s (%" G_GSIZE_FORMAT " bytes)", idx, tag,
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value, len);
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gst_tag_list_add (evtags, GST_TAG_MERGE_APPEND,
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GST_TAG_EXTENDED_COMMENT, compound, NULL);
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g_free (compound);
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} else {
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GST_INFO_OBJECT (decoder,
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"Metadata %d, (%s, %" G_GSIZE_FORMAT
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" bytes) is binary, ignored", idx, tag, len);
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}
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}
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}
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gst_kate_util_decoder_base_add_tags (decoder, evtags, TRUE);
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gst_pad_push_event (tagpad,
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gst_kate_util_decoder_base_get_tag_event (decoder));
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}
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}
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#endif
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return rflow;
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}
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GstStateChangeReturn
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gst_kate_decoder_base_change_state (GstKateDecoderBase * decoder,
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GstElement * element, GstElementClass * parent_class,
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GstStateChange transition)
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{
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GstStateChangeReturn res;
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int ret;
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
GST_DEBUG_OBJECT (element, "READY -> PAUSED, initializing kate state");
|
|
ret = kate_high_decode_init (&decoder->k);
|
|
if (ret < 0) {
|
|
GST_WARNING_OBJECT (element, "failed to initialize kate state: %s",
|
|
gst_kate_util_get_error_message (ret));
|
|
}
|
|
gst_segment_init (&decoder->kate_segment, GST_FORMAT_UNDEFINED);
|
|
decoder->kate_flushing = FALSE;
|
|
decoder->initialized = TRUE;
|
|
decoder->event_queue = g_queue_new ();
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
res = parent_class->change_state (element, transition);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
GST_DEBUG_OBJECT (element, "PAUSED -> READY, clearing kate state");
|
|
if (decoder->initialized) {
|
|
kate_high_decode_clear (&decoder->k);
|
|
decoder->initialized = FALSE;
|
|
}
|
|
gst_segment_init (&decoder->kate_segment, GST_FORMAT_UNDEFINED);
|
|
decoder->kate_flushing = TRUE;
|
|
gst_kate_util_decode_base_reset (decoder);
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
gst_kate_util_decode_base_reset (decoder);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
void
|
|
gst_kate_util_decoder_base_set_flushing (GstKateDecoderBase * decoder,
|
|
gboolean flushing)
|
|
{
|
|
decoder->kate_flushing = flushing;
|
|
gst_segment_init (&decoder->kate_segment, GST_FORMAT_UNDEFINED);
|
|
}
|
|
|
|
void
|
|
gst_kate_util_decoder_base_segment_event (GstKateDecoderBase * decoder,
|
|
GstEvent * event)
|
|
{
|
|
GstSegment seg;
|
|
|
|
gst_event_copy_segment (event, &seg);
|
|
|
|
GST_DEBUG_OBJECT (decoder, "kate pad segment: %" GST_SEGMENT_FORMAT, &seg);
|
|
|
|
decoder->kate_segment = seg;
|
|
}
|
|
|
|
gboolean
|
|
gst_kate_util_decoder_base_update_segment (GstKateDecoderBase * decoder,
|
|
GstElement * element, GstBuffer * buf)
|
|
{
|
|
guint64 clip_start = 0, clip_stop = 0;
|
|
gboolean in_seg;
|
|
|
|
if (decoder->kate_flushing) {
|
|
GST_LOG_OBJECT (element, "Kate pad flushing, buffer ignored");
|
|
return FALSE;
|
|
}
|
|
|
|
if (G_LIKELY (GST_BUFFER_TIMESTAMP_IS_VALID (buf))) {
|
|
GstClockTime stop;
|
|
|
|
if (G_LIKELY (GST_BUFFER_DURATION_IS_VALID (buf)))
|
|
stop = GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf);
|
|
else
|
|
stop = GST_CLOCK_TIME_NONE;
|
|
|
|
in_seg = gst_segment_clip (&decoder->kate_segment, GST_FORMAT_TIME,
|
|
GST_BUFFER_TIMESTAMP (buf), stop, &clip_start, &clip_stop);
|
|
} else {
|
|
in_seg = TRUE;
|
|
}
|
|
|
|
if (in_seg) {
|
|
if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
|
|
decoder->kate_segment.position = clip_start;
|
|
}
|
|
} else {
|
|
GST_INFO_OBJECT (element, "Kate buffer not in segment, ignored");
|
|
}
|
|
|
|
return in_seg;
|
|
}
|
|
|
|
static GstClockTime
|
|
gst_kate_util_granule_time (kate_state * k, gint64 granulepos)
|
|
{
|
|
if (G_UNLIKELY (granulepos == -1))
|
|
return -1;
|
|
|
|
return kate_granule_time (k->ki, granulepos) * GST_SECOND;
|
|
}
|
|
|
|
/*
|
|
conversions on the sink:
|
|
- default is granules at num/den rate (subject to the granule shift)
|
|
- default -> time is possible
|
|
- bytes do not mean anything, packets can be any number of bytes, and we
|
|
have no way to know the number of bytes emitted without decoding
|
|
conversions on the source:
|
|
- nothing
|
|
*/
|
|
|
|
gboolean
|
|
gst_kate_decoder_base_convert (GstKateDecoderBase * decoder,
|
|
GstElement * element, GstPad * pad, GstFormat src_fmt, gint64 src_val,
|
|
GstFormat * dest_fmt, gint64 * dest_val)
|
|
{
|
|
gboolean res = FALSE;
|
|
|
|
if (src_fmt == *dest_fmt) {
|
|
*dest_val = src_val;
|
|
return TRUE;
|
|
}
|
|
|
|
if (!decoder->initialized) {
|
|
GST_WARNING_OBJECT (element, "not initialized yet");
|
|
return FALSE;
|
|
}
|
|
|
|
if (src_fmt == GST_FORMAT_BYTES || *dest_fmt == GST_FORMAT_BYTES) {
|
|
GST_WARNING_OBJECT (element, "unsupported format");
|
|
return FALSE;
|
|
}
|
|
|
|
switch (src_fmt) {
|
|
case GST_FORMAT_DEFAULT:
|
|
switch (*dest_fmt) {
|
|
case GST_FORMAT_TIME:
|
|
*dest_val = gst_kate_util_granule_time (&decoder->k, src_val);
|
|
res = TRUE;
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
break;
|
|
}
|
|
|
|
if (!res) {
|
|
GST_WARNING_OBJECT (element, "unsupported format");
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
gboolean
|
|
gst_kate_decoder_base_sink_query (GstKateDecoderBase * decoder,
|
|
GstElement * element, GstPad * pad, GstObject * parent, GstQuery * query)
|
|
{
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_CONVERT:
|
|
{
|
|
GstFormat src_fmt, dest_fmt;
|
|
gint64 src_val, dest_val;
|
|
|
|
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
|
|
if (!gst_kate_decoder_base_convert (decoder, element, pad, src_fmt,
|
|
src_val, &dest_fmt, &dest_val)) {
|
|
return gst_pad_query_default (pad, parent, query);
|
|
}
|
|
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
|
|
return TRUE;
|
|
}
|
|
default:
|
|
return gst_pad_query_default (pad, parent, query);
|
|
}
|
|
}
|
|
|
|
const char *
|
|
gst_kate_util_get_error_message (int ret)
|
|
{
|
|
switch (ret) {
|
|
case KATE_E_NOT_FOUND:
|
|
return "value not found";
|
|
case KATE_E_INVALID_PARAMETER:
|
|
return "invalid parameter";
|
|
case KATE_E_OUT_OF_MEMORY:
|
|
return "out of memory";
|
|
case KATE_E_BAD_GRANULE:
|
|
return "bad granule";
|
|
case KATE_E_INIT:
|
|
return "initialization error";
|
|
case KATE_E_BAD_PACKET:
|
|
return "bad packet";
|
|
case KATE_E_TEXT:
|
|
return "invalid/truncated text";
|
|
case KATE_E_LIMIT:
|
|
return "a limit was exceeded";
|
|
case KATE_E_VERSION:
|
|
return "unsupported bitstream version";
|
|
case KATE_E_NOT_KATE:
|
|
return "not a kate bitstream";
|
|
case KATE_E_BAD_TAG:
|
|
return "bad tag";
|
|
case KATE_E_IMPL:
|
|
return "not implemented";
|
|
|
|
#ifdef HAVE_TIGER
|
|
case TIGER_E_NOT_FOUND:
|
|
return "value not found";
|
|
case TIGER_E_INVALID_PARAMETER:
|
|
return "invalid parameter";
|
|
case TIGER_E_OUT_OF_MEMORY:
|
|
return "out of memory";
|
|
case TIGER_E_CAIRO_ERROR:
|
|
return "Cairo error";
|
|
case TIGER_E_BAD_SURFACE_TYPE:
|
|
return "bad surface type";
|
|
#endif
|
|
|
|
default:
|
|
return "unknown error";
|
|
}
|
|
}
|