gstreamer/ext/swfdec/gstswfdec.c
Benjamin Otte f768ab94c7 gst-libs/gst/video/video.h: Fix caps template names to be understandable.
Original commit message from CVS:
2004-01-12  Benjamin Otte  <in7y118@public.uni-hamburg.de>

* gst-libs/gst/video/video.h:
Fix caps template names to be understandable.
Prefix everything with GST_VIDEO.
* ext/aalib/gstaasink.c:
* ext/divx/gstdivxdec.c:
* ext/divx/gstdivxenc.c:
* ext/gdk_pixbuf/gstgdkpixbuf.c:
* ext/hermes/gstcolorspace.c: (gst_colorspace_base_init):
* ext/jpeg/gstjpegdec.c: (raw_caps_factory):
* ext/jpeg/gstjpegenc.c: (raw_caps_factory):
* ext/libcaca/gstcacasink.c:
* ext/libpng/gstpngenc.c: (raw_caps_factory):
* ext/snapshot/gstsnapshot.c:
* ext/swfdec/gstswfdec.c:
* ext/xvid/gstxviddec.c:
* ext/xvid/gstxvidenc.c:
* gst/chart/gstchart.c:
* gst/deinterlace/gstdeinterlace.c:
* gst/effectv/gsteffectv.c:
* gst/flx/gstflxdec.c: (gst_flxdec_loop):
* gst/goom/gstgoom.c:
* gst/median/gstmedian.c:
* gst/monoscope/gstmonoscope.c: (gst_monoscope_init),
(gst_monoscope_srcconnect), (gst_monoscope_chain):
* gst/overlay/gstoverlay.c:
* gst/smooth/gstsmooth.c:
* gst/smpte/gstsmpte.c:
* gst/synaesthesia/gstsynaesthesia.c:
* gst/videocrop/gstvideocrop.c:
* gst/videodrop/gstvideodrop.c:
* gst/y4m/gsty4mencode.c:
* sys/qcam/gstqcamsrc.c:
* sys/v4l/gstv4lsrc.c: (gst_v4lsrc_palette_to_caps):
Make them work with new video.h file.
* sys/ximage/ximagesink.c: (gst_ximagesink_chain),
(gst_ximagesink_buffer_free), (gst_ximagesink_buffer_alloc):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_chain),
(gst_xvimagesink_buffer_free), (gst_xvimagesink_buffer_alloc):
Make it work with new buffer allocation system.
2004-01-12 02:01:52 +00:00

609 lines
15 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2002,2003> 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>
/* elementfactory information */
static GstElementDetails gst_swfdec_details = GST_ELEMENT_DETAILS (
"SWF video decoder",
"Codec/Decoder/Video",
"Uses libswfdec to decode Flash video streams",
"David Schleef <ds@schleef.org>"
);
/* Swfdec signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
/* FILL ME */
};
static GstStaticPadTemplate video_template_factory =
GST_STATIC_PAD_TEMPLATE (
"video_00",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB)
);
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, "
"buffer-frames = (int) [ 1, MAX ]")
);
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);
#if 0
static gboolean gst_swfdec_src_event (GstPad *pad, GstEvent *event);
#endif
static gboolean gst_swfdec_src_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value);
#if 0
static gboolean gst_swfdec_convert_sink (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
static gboolean gst_swfdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
#endif
static GstElementStateReturn gst_swfdec_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
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 (element_class, &gst_swfdec_details);
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_ref(GST_TYPE_ELEMENT);
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;
}
static void
gst_swfdec_loop(GstElement *element)
{
GstSwfdec *swfdec;
GstBuffer *buf = NULL;
int ret;
g_return_if_fail(element != NULL);
g_return_if_fail(GST_IS_SWFDEC(element));
swfdec = GST_SWFDEC(element);
if(!swfdec->videopad){
}
ret = swfdec_decoder_parse(swfdec->state);
if(ret==SWF_NEEDBITS){
buf = GST_BUFFER (gst_pad_pull(swfdec->sinkpad));
if(GST_IS_EVENT(buf)){
switch (GST_EVENT_TYPE (buf)) {
case GST_EVENT_EOS:
GST_DEBUG("got eos");
break;
default:
GST_DEBUG("got event");
break;
}
}else{
if(!GST_BUFFER_DATA(buf)){
GST_DEBUG("expected non-null buffer");
}
ret = swfdec_decoder_addbits(swfdec->state,
GST_BUFFER_DATA(buf), GST_BUFFER_SIZE(buf));
}
}
if(ret==SWF_CHANGE){
GstCaps *caps;
swfdec_decoder_get_image_size(swfdec->state,
&swfdec->width, &swfdec->height);
swfdec_decoder_get_rate(swfdec->state, &swfdec->rate);
swfdec->interval = GST_SECOND / swfdec->rate;
caps = gst_caps_copy (gst_pad_get_pad_template_caps (
swfdec->videopad));
gst_caps_set_simple (caps,
"framerate", G_TYPE_DOUBLE, (double)swfdec->frame_rate,
"height",G_TYPE_INT,swfdec->height,
"width",G_TYPE_INT,swfdec->width,
NULL);
gst_pad_set_explicit_caps(swfdec->videopad, caps);
return;
}
if(ret==SWF_IMAGE){
GstBuffer *newbuf = NULL;
unsigned char *data;
int len;
/* video stuff */
newbuf = gst_buffer_new();
GST_BUFFER_SIZE(newbuf) = swfdec->width * swfdec->height * 3;
swfdec_decoder_get_image(swfdec->state, &data);
GST_BUFFER_DATA(newbuf) = data;
swfdec->timestamp += swfdec->interval;
GST_BUFFER_TIMESTAMP(newbuf) = swfdec->timestamp;
gst_pad_push(swfdec->videopad, GST_DATA (newbuf));
/* audio stuff */
data = swfdec_decoder_get_sound_chunk(swfdec->state, &len);
while(data){
newbuf = gst_buffer_new();
GST_BUFFER_SIZE(newbuf) = len;
GST_BUFFER_DATA(newbuf) = data;
GST_BUFFER_TIMESTAMP(newbuf) = swfdec->timestamp;
gst_pad_push(swfdec->audiopad, GST_DATA (newbuf));
data = swfdec_decoder_get_sound_chunk(swfdec->state, &len);
}
}
if(ret==SWF_EOF){
gst_pad_push(swfdec->videopad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
gst_pad_push(swfdec->audiopad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
}
}
static void
gst_swfdec_init (GstSwfdec *swfdec)
{
/* create the sink and src pads */
swfdec->sinkpad = gst_pad_new_from_template (
gst_static_pad_template_get (&sink_template_factory), "sink");
gst_element_add_pad (GST_ELEMENT (swfdec), swfdec->sinkpad);
swfdec->videopad = gst_pad_new_from_template(
gst_static_pad_template_get (&video_template_factory),
"video_00");
gst_pad_set_query_function (swfdec->videopad,
GST_DEBUG_FUNCPTR (gst_swfdec_src_query));
gst_pad_use_explicit_caps (swfdec->videopad);
gst_element_add_pad(GST_ELEMENT(swfdec), swfdec->videopad);
swfdec->audiopad = gst_pad_new_from_template(
gst_static_pad_template_get (&audio_template_factory),
"audio_00");
gst_pad_set_query_function (swfdec->audiopad,
GST_DEBUG_FUNCPTR (gst_swfdec_src_query));
gst_element_add_pad(GST_ELEMENT(swfdec), swfdec->audiopad);
gst_element_set_loop_function(GST_ELEMENT(swfdec), gst_swfdec_loop);
/* initialize the swfdec decoder state */
swfdec->state = swfdec_decoder_new();
g_return_if_fail(swfdec->state != NULL);
swfdec_decoder_set_colorspace(swfdec->state, SWF_COLORSPACE_RGB888);
GST_FLAG_SET (GST_ELEMENT (swfdec), GST_ELEMENT_EVENT_AWARE);
swfdec->frame_rate = 0.;
}
static void
gst_swfdec_dispose (GObject *object)
{
//GstSwfdec *swfdec = GST_SWFDEC (object);
/* FIXME */
//swfdec_decoder_free(swfdec->state);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
#if 0
static gboolean
gst_swfdec_convert_sink (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
{
gboolean res = TRUE;
GstSwfdec *swfdec;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
case GST_FORMAT_TIME:
default:
res = FALSE;
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_BYTES:
default:
res = FALSE;
}
break;
default:
res = FALSE;
}
return res;
}
#endif
#if 0
static gboolean
gst_swfdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
{
gboolean res = TRUE;
GstSwfdec *swfdec;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
case GST_FORMAT_TIME:
default:
res = FALSE;
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_BYTES:
*dest_value = src_value * 6 * (swfdec->width * swfdec->height >> 2) *
video_rates[swfdec->decoder->frame_rate_code] / GST_SECOND;
break;
case GST_FORMAT_DEFAULT:
*dest_value = src_value * video_rates[swfdec->decoder->frame_rate_code] / GST_SECOND;
break;
default:
res = FALSE;
}
break;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_TIME:
if (video_rates[swfdec->decoder->frame_rate_code] != 0.0) {
*dest_value = src_value * GST_SECOND /
video_rates[swfdec->decoder->frame_rate_code];
}
else
res = FALSE;
break;
case GST_FORMAT_BYTES:
*dest_value = src_value * 6 * (swfdec->width * swfdec->height >> 2);
break;
case GST_FORMAT_DEFAULT:
*dest_value = src_value;
break;
default:
res = FALSE;
}
break;
default:
res = FALSE;
}
return res;
}
#endif
static gboolean
gst_swfdec_src_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value)
{
gboolean res = TRUE;
GstSwfdec *swfdec;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
switch (type) {
case GST_QUERY_TOTAL:
{
switch (*format) {
case GST_FORMAT_TIME:
{
int n_frames;
int ret;
res = FALSE;
ret = swfdec_decoder_get_n_frames(swfdec->state, &n_frames);
if(ret == SWF_OK){
*value = n_frames * swfdec->interval;
res = TRUE;
}
break;
}
default:
res = FALSE;
break;
}
break;
}
case GST_QUERY_POSITION:
{
switch (*format) {
default:
res = FALSE;
break;
}
break;
}
default:
res = FALSE;
break;
}
return res;
}
#if 0
static gboolean
gst_swfdec_src_event (GstPad *pad, GstEvent *event)
{
gboolean res = TRUE;
GstSwfdec *swfdec;
static const GstFormat formats[] = { GST_FORMAT_TIME, GST_FORMAT_BYTES };
#define MAX_SEEK_FORMATS 1 /* we can only do time seeking for now */
gint i;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
/* the all-formats seek logic */
case GST_EVENT_SEEK:
{
gint64 src_offset;
gboolean flush;
GstFormat format;
format = GST_FORMAT_TIME;
/* first bring the src_format to TIME */
if (!gst_pad_convert (pad,
GST_EVENT_SEEK_FORMAT (event), GST_EVENT_SEEK_OFFSET (event),
&format, &src_offset))
{
/* didn't work, probably unsupported seek format then */
res = FALSE;
break;
}
/* shave off the flush flag, we'll need it later */
flush = GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH;
/* assume the worst */
res = FALSE;
/* while we did not exhaust our seek formats without result */
for (i = 0; i < MAX_SEEK_FORMATS && !res; i++) {
gint64 desired_offset;
format = formats[i];
/* try to convert requested format to one we can seek with on the sinkpad */
if (gst_pad_convert (swfdec->sinkpad, GST_FORMAT_TIME, src_offset, &format, &desired_offset))
{
GstEvent *seek_event;
/* conversion succeeded, create the seek */
seek_event = gst_event_new_seek (formats[i] | GST_SEEK_METHOD_SET | flush, desired_offset);
/* do the seekk */
if (gst_pad_send_event (GST_PAD_PEER (swfdec->sinkpad), seek_event)) {
/* seek worked, we're done, loop will exit */
res = TRUE;
}
}
/* at this point, either the seek worked or res == FALSE */
}
break;
}
default:
res = FALSE;
break;
}
gst_event_unref (event);
return res;
}
#endif
static GstElementStateReturn
gst_swfdec_change_state (GstElement *element)
{
GstSwfdec *swfdec = GST_SWFDEC (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
{
//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->format = -1;
swfdec->width = -1;
swfdec->height = -1;
swfdec->first = TRUE;
break;
}
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_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_READY_TO_NULL:
break;
default:
break;
}
GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
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,
GST_ORIGIN
)