gstreamer/ext/swfdec/gstswfdec.c
2012-04-05 18:02:56 +02:00

908 lines
24 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2002,2003,2006 David A. Schleef <ds@schleef.org>
*
* 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
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstswfdec.h"
#include <string.h>
#include <gst/video/video.h>
#include <swfdec_buffer.h>
#include <swfdec_decoder.h>
GST_DEBUG_CATEGORY_STATIC (swfdec_debug);
#define GST_CAT_DEFAULT swfdec_debug
/* Swfdec signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0
/* FILL ME */
};
#define __GST_VIDEO_CAPS_MAKE_32_new(R, G, B) \
"video/x-raw-rgb, " \
"bpp = (int) 32, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = (fraction) [ 0, MAX ]"
#define GST_VIDEO_CAPS_BGRx_new \
__GST_VIDEO_CAPS_MAKE_32 (3, 2, 1)
static GstStaticPadTemplate video_template_factory =
GST_STATIC_PAD_TEMPLATE ("video_00",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx_new)
);
static GstStaticPadTemplate audio_template_factory =
GST_STATIC_PAD_TEMPLATE ("audio_00",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"rate = (int) 44100, "
"channels = (int) 2, "
"endianness = (int) BYTE_ORDER, "
"width = (int) 16, " "depth = (int) 16, " "signed = (boolean) true")
);
static GstStaticPadTemplate sink_template_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-shockwave-flash")
);
static void gst_swfdec_base_init (gpointer g_class);
static void gst_swfdec_class_init (GstSwfdecClass * klass);
static void gst_swfdec_init (GstSwfdec * swfdec);
static void gst_swfdec_dispose (GObject * object);
static void gst_swfdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_swfdec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_swfdec_sink_event (GstPad * pad, GstEvent * event);
static gboolean gst_swfdec_src_event (GstPad * pad, GstEvent * event);
static gboolean gst_swfdec_src_query (GstPad * pad, GstQuery * query);
static const GstQueryType *gst_swfdec_get_query_types (GstPad * pad);
static GstStateChangeReturn gst_swfdec_change_state (GstElement * element,
GstStateChange transition);
static GstFlowReturn gst_swfdec_chain (GstPad * pad, GstBuffer * buffer);
static void gst_swfdec_render (GstSwfdec * swfdec, int ret);
static GstElementClass *parent_class = NULL;
//static guint gst_swfdec_signals[LAST_SIGNAL];
/* GstSwfdecBuffer */
typedef struct _GstSwfdecBuffer GstSwfdecBuffer;
struct _GstSwfdecBuffer
{
GstBuffer buffer;
SwfdecBuffer *swfdec_buffer;
};
static GstBufferClass *buffer_parent_class = NULL;
static void gst_swfdecbuffer_class_init (gpointer g_class, gpointer class_data);
static void gst_swfdecbuffer_finalize (GstSwfdecBuffer * swfdecbuffer);
GType
gst_swfdecbuffer_get_type (void)
{
static GType _gst_swfdecbuffer_type;
if (G_UNLIKELY (_gst_swfdecbuffer_type == 0)) {
static const GTypeInfo swfdecbuffer_info = {
sizeof (GstBufferClass),
NULL,
NULL,
gst_swfdecbuffer_class_init,
NULL,
NULL,
sizeof (GstSwfdecBuffer),
0,
NULL,
NULL
};
_gst_swfdecbuffer_type = g_type_register_static (GST_TYPE_BUFFER,
"GstSwfdecBuffer", &swfdecbuffer_info, 0);
}
return _gst_swfdecbuffer_type;
}
static void
gst_swfdecbuffer_class_init (gpointer klass, gpointer class_data)
{
GstBufferClass *swfdecbuffer_class = GST_BUFFER_CLASS (klass);
swfdecbuffer_class->mini_object_class.finalize =
(GstMiniObjectFinalizeFunction) gst_swfdecbuffer_finalize;
buffer_parent_class = g_type_class_peek_parent (klass);
}
static void
gst_swfdecbuffer_finalize (GstSwfdecBuffer * swfdecbuffer)
{
g_return_if_fail (swfdecbuffer != NULL);
GST_LOG ("finalize %p", swfdecbuffer);
swfdec_buffer_unref (swfdecbuffer->swfdec_buffer);
((GstMiniObjectClass *) buffer_parent_class)->finalize ((GstMiniObject *)
swfdecbuffer);
}
/* GstSwfdec */
GType
gst_swfdec_get_type (void)
{
static GType swfdec_type = 0;
if (!swfdec_type) {
static const GTypeInfo swfdec_info = {
sizeof (GstSwfdecClass),
gst_swfdec_base_init,
NULL,
(GClassInitFunc) gst_swfdec_class_init,
NULL,
NULL,
sizeof (GstSwfdec),
0,
(GInstanceInitFunc) gst_swfdec_init,
};
swfdec_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstSwfdec", &swfdec_info, 0);
}
return swfdec_type;
}
static void
gst_swfdec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class, "SWF video decoder",
"Codec/Decoder/Video",
"Uses libswfdec to decode Flash video streams",
"David Schleef <ds@schleef.org>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&video_template_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&audio_template_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template_factory));
}
static void
gst_swfdec_class_init (GstSwfdecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gst_swfdec_set_property;
gobject_class->get_property = gst_swfdec_get_property;
gobject_class->dispose = gst_swfdec_dispose;
gstelement_class->change_state = gst_swfdec_change_state;
GST_DEBUG_CATEGORY_INIT (swfdec_debug, "swfdec", 0, "Flash decoder plugin");
}
static GstCaps *
gst_swfdec_video_getcaps (GstPad * pad)
{
GstSwfdec *swfdec;
GstCaps *caps;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
if (swfdec->have_format) {
gst_caps_set_simple (caps,
"framerate", GST_TYPE_FRACTION, swfdec->frame_rate_n,
swfdec->frame_rate_d, NULL);
}
return caps;
}
static gboolean
gst_swfdec_video_link (GstPad * pad, GstCaps * caps)
{
GstSwfdec *swfdec;
GstStructure *structure;
int width, height;
int ret;
gboolean res = FALSE;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
ret = swfdec_decoder_set_image_size (swfdec->decoder, width, height);
if (ret == SWF_OK) {
swfdec->width = width;
swfdec->height = height;
res = TRUE;
}
gst_object_unref (swfdec);
return res;
}
static void
gst_swfdec_buffer_free (SwfdecBuffer * buf, void *priv)
{
gst_buffer_unref (GST_BUFFER (priv));
}
static SwfdecBuffer *
gst_swfdec_buffer_to_swf (GstBuffer * buffer)
{
SwfdecBuffer *sbuf;
sbuf = swfdec_buffer_new_with_data (GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
sbuf->free = gst_swfdec_buffer_free;
sbuf->priv = buffer;
return sbuf;
}
static GstBuffer *
gst_swfdec_buffer_from_swf (SwfdecBuffer * buffer)
{
GstSwfdecBuffer *buf;
buf = (GstSwfdecBuffer *) gst_mini_object_new (gst_swfdecbuffer_get_type ());
GST_BUFFER_DATA (buf) = buffer->data;
GST_BUFFER_SIZE (buf) = buffer->length;
buf->swfdec_buffer = buffer;
return GST_BUFFER (buf);
}
GstFlowReturn
gst_swfdec_chain (GstPad * pad, GstBuffer * buffer)
{
GstFlowReturn res = GST_FLOW_OK;
int ret;
GstSwfdec *swfdec = GST_SWFDEC (GST_PAD_PARENT (pad));
g_static_rec_mutex_lock (&swfdec->mutex);
GST_DEBUG_OBJECT (swfdec, "about to call swfdec_decoder_parse");
ret = swfdec_decoder_parse (swfdec->decoder);
if (ret == SWF_NEEDBITS) {
guint buf_size;
GstBuffer *prev_buffer;
GST_DEBUG_OBJECT (swfdec, "SWF_NEEDBITS, feeding data to swfdec-decoder");
buf_size = gst_adapter_available (swfdec->adapter);
if (buf_size) {
prev_buffer = gst_buffer_new_and_alloc (buf_size);
memcpy (GST_BUFFER_DATA (prev_buffer), gst_adapter_peek (swfdec->adapter,
buf_size), buf_size);
gst_adapter_flush (swfdec->adapter, buf_size);
swfdec_decoder_add_buffer (swfdec->decoder,
gst_swfdec_buffer_to_swf (prev_buffer));
}
swfdec_decoder_add_buffer (swfdec->decoder,
gst_swfdec_buffer_to_swf (buffer));
} else if (ret == SWF_CHANGE) {
GstCaps *caps;
double rate;
GstTagList *taglist;
GST_DEBUG_OBJECT (swfdec, "SWF_CHANGE");
gst_adapter_push (swfdec->adapter, buffer);
swfdec_decoder_get_image_size (swfdec->decoder,
&swfdec->width, &swfdec->height);
swfdec_decoder_get_rate (swfdec->decoder, &rate);
swfdec->interval = GST_SECOND / rate;
swfdec->frame_rate_n = (int) (rate * 256.0);
swfdec->frame_rate_d = 256;
caps = gst_caps_copy (gst_pad_get_pad_template_caps (swfdec->videopad));
gst_caps_set_simple (caps,
"framerate", GST_TYPE_FRACTION, swfdec->frame_rate_n,
swfdec->frame_rate_d, "height", G_TYPE_INT, swfdec->height, "width",
G_TYPE_INT, swfdec->width, NULL);
if (gst_pad_set_caps (swfdec->videopad, caps)) {
/* good */
} else {
gst_caps_unref (caps);
GST_ELEMENT_ERROR (swfdec, CORE, NEGOTIATION, (NULL), (NULL));
res = GST_FLOW_ERROR;
goto done;
}
gst_caps_unref (caps);
caps = gst_caps_copy (gst_pad_get_pad_template_caps (swfdec->audiopad));
if (gst_pad_set_caps (swfdec->audiopad, caps)) {
swfdec->have_format = TRUE;
} else {
gst_caps_unref (caps);
GST_ELEMENT_ERROR (swfdec, CORE, NEGOTIATION, (NULL), (NULL));
res = GST_FLOW_ERROR;
goto done;
}
gst_caps_unref (caps);
taglist = gst_tag_list_new ();
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_ENCODER_VERSION, swfdec_decoder_get_version (swfdec->decoder),
NULL);
gst_element_found_tags (GST_ELEMENT (swfdec), taglist);
} else if (ret == SWF_EOF) {
GST_DEBUG_OBJECT (swfdec, "SWF_EOF");
gst_swfdec_render (swfdec, ret);
gst_task_start (swfdec->task);
}
done:
g_static_rec_mutex_unlock (&swfdec->mutex);
return res;
}
static void
gst_swfdec_loop (GstSwfdec * swfdec)
{
gst_swfdec_render (swfdec, swfdec_decoder_parse (swfdec->decoder));
}
static void
gst_swfdec_render (GstSwfdec * swfdec, int ret)
{
if (ret == SWF_EOF) {
SwfdecBuffer *audio_buffer;
SwfdecBuffer *video_buffer;
GstBuffer *videobuf;
GstBuffer *audiobuf;
gboolean ret;
GstFlowReturn res;
const char *url;
GST_DEBUG_OBJECT (swfdec, "render:SWF_EOF");
swfdec_decoder_set_mouse (swfdec->decoder, swfdec->x, swfdec->y,
swfdec->button);
ret = swfdec_render_iterate (swfdec->decoder);
if (swfdec->decoder->using_experimental) {
GST_ELEMENT_ERROR (swfdec, LIBRARY, FAILED,
("SWF file contains features known to trigger bugs."),
("SWF file contains features known to trigger bugs."));
gst_task_stop (swfdec->task);
}
if (!ret) {
gst_task_stop (swfdec->task);
res = gst_pad_push_event (swfdec->videopad, gst_event_new_eos ());
res = gst_pad_push_event (swfdec->audiopad, gst_event_new_eos ());
return;
}
if (swfdec->send_discont) {
GstEvent *event;
swfdec->timestamp = swfdec_render_get_frame_index (swfdec->decoder) *
swfdec->interval;
GST_DEBUG ("sending discont %" G_GINT64_FORMAT, swfdec->timestamp);
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
swfdec->timestamp, GST_CLOCK_TIME_NONE, 0);
gst_pad_push_event (swfdec->videopad, event);
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
swfdec->timestamp, GST_CLOCK_TIME_NONE, 0);
gst_pad_push_event (swfdec->audiopad, event);
swfdec->send_discont = FALSE;
}
GST_DEBUG ("pushing image/sound %" G_GINT64_FORMAT, swfdec->timestamp);
if (swfdec->skip_index) {
video_buffer = NULL;
swfdec->skip_index--;
} else {
video_buffer = swfdec_render_get_image (swfdec->decoder);
if (!video_buffer) {
gst_task_stop (swfdec->task);
gst_pad_push_event (swfdec->videopad, gst_event_new_eos ());
gst_pad_push_event (swfdec->audiopad, gst_event_new_eos ());
return;
}
swfdec->skip_index = swfdec->skip_frames - 1;
videobuf = gst_swfdec_buffer_from_swf (video_buffer);
GST_BUFFER_TIMESTAMP (videobuf) = swfdec->timestamp;
gst_buffer_set_caps (videobuf, GST_PAD_CAPS (swfdec->videopad));
gst_pad_push (swfdec->videopad, videobuf);
}
audio_buffer = swfdec_render_get_audio (swfdec->decoder);
if (audio_buffer) {
audiobuf = gst_swfdec_buffer_from_swf (audio_buffer);
GST_BUFFER_TIMESTAMP (audiobuf) = swfdec->timestamp;
gst_buffer_set_caps (audiobuf, GST_PAD_CAPS (swfdec->audiopad));
gst_pad_push (swfdec->audiopad, audiobuf);
}
swfdec->timestamp += swfdec->interval;
url = swfdec_decoder_get_url (swfdec->decoder);
if (url) {
GstStructure *s;
GstMessage *msg;
s = gst_structure_new ("embedded-url", "url", G_TYPE_STRING, url,
"target", G_TYPE_STRING, "_self", NULL);
msg = gst_message_new_element (GST_OBJECT (swfdec), s);
gst_element_post_message (GST_ELEMENT (swfdec), msg);
}
}
}
static void
gst_swfdec_init (GstSwfdec * swfdec)
{
/* create the sink and src pads */
swfdec->sinkpad =
gst_pad_new_from_static_template (&sink_template_factory, "sink");
gst_element_add_pad (GST_ELEMENT (swfdec), swfdec->sinkpad);
gst_pad_set_chain_function (swfdec->sinkpad, gst_swfdec_chain);
gst_pad_set_event_function (swfdec->sinkpad, gst_swfdec_sink_event);
swfdec->videopad =
gst_pad_new_from_static_template (&video_template_factory, "video_00");
gst_pad_set_query_function (swfdec->videopad, gst_swfdec_src_query);
gst_pad_set_getcaps_function (swfdec->videopad, gst_swfdec_video_getcaps);
gst_pad_set_setcaps_function (swfdec->videopad, gst_swfdec_video_link);
gst_pad_set_event_function (swfdec->videopad, gst_swfdec_src_event);
gst_pad_set_query_type_function (swfdec->videopad,
gst_swfdec_get_query_types);
gst_element_add_pad (GST_ELEMENT (swfdec), swfdec->videopad);
swfdec->audiopad =
gst_pad_new_from_static_template (&audio_template_factory, "audio_00");
gst_pad_set_query_function (swfdec->audiopad, gst_swfdec_src_query);
gst_pad_set_event_function (swfdec->audiopad, gst_swfdec_src_event);
gst_pad_set_query_type_function (swfdec->audiopad,
gst_swfdec_get_query_types);
gst_element_add_pad (GST_ELEMENT (swfdec), swfdec->audiopad);
/* initialize the swfdec decoder state */
swfdec->decoder = swfdec_decoder_new ();
g_return_if_fail (swfdec->decoder != NULL);
swfdec_decoder_set_colorspace (swfdec->decoder, SWF_COLORSPACE_RGB888);
swfdec->frame_rate_n = 0;
swfdec->frame_rate_d = 1;
swfdec->x = -1;
swfdec->y = -1;
swfdec->skip_frames = 2;
swfdec->skip_index = 0;
swfdec->adapter = gst_adapter_new ();
swfdec->task = gst_task_create ((GstTaskFunction) gst_swfdec_loop, swfdec);
g_static_rec_mutex_init (&swfdec->mutex);
gst_task_set_lock (swfdec->task, &swfdec->mutex);
}
static void
gst_swfdec_dispose (GObject * object)
{
GstSwfdec *swfdec = GST_SWFDEC (object);
gst_task_stop (swfdec->task);
gst_task_join (swfdec->task);
gst_object_unref (swfdec->task);
g_static_rec_mutex_free (&swfdec->mutex);
g_object_unref (swfdec->adapter);
swfdec_decoder_free (swfdec->decoder);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static const GstQueryType *
gst_swfdec_get_query_types (GstPad * pad)
{
static const GstQueryType gst_swfdec_query_types[] = {
GST_QUERY_POSITION,
GST_QUERY_DURATION,
0
};
return gst_swfdec_query_types;
}
static gboolean
gst_swfdec_src_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstSwfdec *swfdec;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 value;
gst_query_parse_position (query, &format, NULL);
switch (format) {
case GST_FORMAT_TIME:
value = swfdec_render_get_frame_index (swfdec->decoder) *
swfdec->interval;
gst_query_set_position (query, GST_FORMAT_TIME, value);
res = TRUE;
default:
res = FALSE;
break;
}
break;
}
case GST_QUERY_DURATION:
{
GstFormat format;
gint64 value;
gst_query_parse_duration (query, &format, NULL);
switch (format) {
case GST_FORMAT_TIME:
{
int n_frames;
int ret;
res = FALSE;
ret = swfdec_decoder_get_n_frames (swfdec->decoder, &n_frames);
if (ret == SWF_OK) {
value = n_frames * swfdec->interval;
gst_query_set_duration (query, GST_FORMAT_TIME, value);
res = TRUE;
}
break;
}
default:
res = FALSE;
break;
}
break;
}
default:
res = FALSE;
break;
}
gst_object_unref (swfdec);
return res;
}
#if 0
gst_swfdec_get_event_masks (GstPad * pad)
{
static const GstEventMask gst_swfdec_event_masks[] = {
{GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH},
{GST_EVENT_NAVIGATION, 0},
{0,}
};
return gst_swfdec_event_masks;
}
#endif
static gboolean
gst_swfdec_sink_event (GstPad * pad, GstEvent * event)
{
GstSwfdec *swfdec;
gboolean ret;
swfdec = GST_SWFDEC (GST_PAD_PARENT (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
swfdec_decoder_eof (swfdec->decoder);
gst_task_start (swfdec->task);
gst_event_unref (event);
ret = TRUE;
break;
default:
ret = gst_pad_event_default (pad, event);
break;
}
return ret;
}
static gboolean
gst_swfdec_src_event (GstPad * pad, GstEvent * event)
{
gboolean res = TRUE;
GstSwfdec *swfdec;
#define MAX_SEEK_FORMATS 1 /* we can only do time seeking for now */
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
#if 0
/* the all-formats seek logic */
case GST_EVENT_SEEK:
{
gdouble rate;
GstFormat format;
GstSeekFlags flags;
GstSeekType start_type, stop_type;
gint64 start, stop;
int new_frame;
int ret;
int n_frames;
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop);
new_frame = start / swfdec->interval;
ret = swfdec_decoder_get_n_frames (swfdec->decoder, &n_frames);
if (new_frame >= 0 && new_frame < n_frames) {
GstEvent *event;
GST_DEBUG ("seeking to frame %d\n", new_frame);
swfdec_render_seek (swfdec->decoder, new_frame);
GST_DEBUG ("sending flush event\n");
event = gst_event_new_flush_start ();
gst_pad_push_event (swfdec->videopad, event);
event = gst_event_new_flush_start ();
gst_pad_push_event (swfdec->audiopad, event);
swfdec->send_discont = TRUE;
swfdec->seek_frame = new_frame;
}
res = TRUE;
break;
}
#endif
case GST_EVENT_NAVIGATION:
{
const GstStructure *structure = gst_event_get_structure (event);
const char *type;
type = gst_structure_get_string (structure, "event");
GST_DEBUG ("got nav event %s", type);
if (g_str_equal (type, "mouse-move")) {
gst_structure_get_double (structure, "pointer_x", &swfdec->x);
gst_structure_get_double (structure, "pointer_y", &swfdec->y);
} else if (g_str_equal (type, "mouse-button-press")) {
gst_structure_get_double (structure, "pointer_x", &swfdec->x);
gst_structure_get_double (structure, "pointer_y", &swfdec->y);
swfdec->button = 1;
} else if (g_str_equal (type, "mouse-button-release")) {
gst_structure_get_double (structure, "pointer_x", &swfdec->x);
gst_structure_get_double (structure, "pointer_y", &swfdec->y);
swfdec->button = 0;
}
break;
}
default:
res = gst_pad_event_default (pad, event);
event = NULL;
break;
}
if (event) {
gst_event_unref (event);
}
gst_object_unref (swfdec);
return res;
}
static GstStateChangeReturn
gst_swfdec_change_state (GstElement * element, GstStateChange transition)
{
GstSwfdec *swfdec = GST_SWFDEC (element);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
gst_adapter_clear (swfdec->adapter);
/*
gst_swfdec_vo_open (swfdec);
swfdec_decoder_new (swfdec->decoder, swfdec->accel, swfdec->vo);
swfdec->decoder->is_sequence_needed = 1;
swfdec->decoder->frame_rate_code = 0;
*/
swfdec->timestamp = 0;
swfdec->closed = FALSE;
/* reset the initial video state */
swfdec->have_format = FALSE;
swfdec->format = -1;
swfdec->width = -1;
swfdec->height = -1;
swfdec->first = TRUE;
break;
}
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
gst_task_start (swfdec->task);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
gst_task_pause (swfdec->task);
gst_task_join (swfdec->task);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
/* if we are not closed by an EOS event do so now, this cen send a few frames but
* we are prepared to not really send them (see above) */
if (!swfdec->closed) {
/*swf_close (swfdec->decoder); */
swfdec->closed = TRUE;
}
/* gst_swfdec_vo_destroy (swfdec); */
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_task_stop (swfdec->task);
gst_task_join (swfdec->task);
break;
default:
break;
}
return ret;
}
static void
gst_swfdec_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstSwfdec *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_SWFDEC (object));
src = GST_SWFDEC (object);
switch (prop_id) {
default:
break;
}
}
static void
gst_swfdec_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstSwfdec *swfdec;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_SWFDEC (object));
swfdec = GST_SWFDEC (object);
switch (prop_id) {
default:
break;
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "swfdec", GST_RANK_PRIMARY,
GST_TYPE_SWFDEC);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
swfdec,
"Uses libswfdec to decode Flash video streams",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)