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ext/swfdec/gstswfdec.*: Fix negotiation.

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Original commit message from CVS:
* ext/swfdec/gstswfdec.c: (gst_swfdec_video_getcaps),
(gst_swfdec_video_link), (copy_image), (gst_swfdec_loop),
(gst_swfdec_init), (gst_swfdec_change_state):
* ext/swfdec/gstswfdec.h:
Fix negotiation.
* gst/adder/gstadder.c: (gst_adder_link), (gst_adder_init),
(gst_adder_request_new_pad): Fix negotiation.
* gst/goom/gstgoom.c: (gst_goom_init), (gst_goom_src_fixate):
Add a fixate function.
* gst/intfloat/gstfloat2int.c:
* gst/intfloat/gstfloat2int.h:
* gst/intfloat/gstint2float.c:
* gst/intfloat/gstint2float.h:
Completely rewrite the negotiation.  Doesn't quite work yet,
due to some buffer-frames problem.
This commit is contained in:
David Schleef 2004-01-22 03:25:16 +00:00
parent bfb968a9ba
commit a70c9dd619
3 changed files with 116 additions and 8 deletions
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18
ChangeLog
View file

@ -1,3 +1,21 @@
2004-01-21 David Schleef <ds@schleef.org>
* ext/swfdec/gstswfdec.c: (gst_swfdec_video_getcaps),
(gst_swfdec_video_link), (copy_image), (gst_swfdec_loop),
(gst_swfdec_init), (gst_swfdec_change_state):
* ext/swfdec/gstswfdec.h:
Fix negotiation.
* gst/adder/gstadder.c: (gst_adder_link), (gst_adder_init),
(gst_adder_request_new_pad): Fix negotiation.
* gst/goom/gstgoom.c: (gst_goom_init), (gst_goom_src_fixate):
Add a fixate function.
* gst/intfloat/gstfloat2int.c:
* gst/intfloat/gstfloat2int.h:
* gst/intfloat/gstint2float.c:
* gst/intfloat/gstint2float.h:
Completely rewrite the negotiation. Doesn't quite work yet,
due to some buffer-frames problem.
2004-01-21 Thomas Vander Stichele <thomas at apestaart dot org>
* ext/gnomevfs/gstgnomevfssrc.c:

103
ext/swfdec/gstswfdec.c
View file

@ -49,7 +49,7 @@ GST_STATIC_PAD_TEMPLATE (
"video_00",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB)
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)
);
static GstStaticPadTemplate audio_template_factory =
@ -158,6 +158,78 @@ gst_swfdec_class_init(GstSwfdecClass *klass)
gstelement_class->change_state = gst_swfdec_change_state;
}
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", G_TYPE_DOUBLE, swfdec->frame_rate,
NULL);
}
return caps;
}
static GstPadLinkReturn
gst_swfdec_video_link (GstPad *pad, const GstCaps *caps)
{
GstSwfdec *swfdec;
GstStructure *structure;
int width, height;
int ret;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
if (!swfdec->have_format) {
return GST_PAD_LINK_DELAYED;
}
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
if (swfdec->height == height && swfdec->width == width) {
return GST_PAD_LINK_OK;
}
ret = swfdec_decoder_set_image_size (swfdec->state, width, height);
if (ret == SWF_OK) {
swfdec->width = width;
swfdec->height = height;
return GST_PAD_LINK_OK;
}
return GST_PAD_LINK_REFUSED;
}
static void
copy_image (void *dest, void *src, int width, int height)
{
guint8 *d = dest;
guint8 *s = src;
int x,y;
for(y=0;y<height;y++){
for(x=0;x<width;x++){
d[0] = s[2];
d[1] = s[1];
d[2] = s[0];
d[3] = 0;
d+=4;
s+=3;
}
}
}
static void
gst_swfdec_loop(GstElement *element)
{
@ -197,6 +269,7 @@ gst_swfdec_loop(GstElement *element)
if(ret==SWF_CHANGE){
GstCaps *caps;
GstPadLinkReturn link_ret;
swfdec_decoder_get_image_size(swfdec->state,
&swfdec->width, &swfdec->height);
@ -205,12 +278,20 @@ gst_swfdec_loop(GstElement *element)
caps = gst_caps_copy (gst_pad_get_pad_template_caps (
swfdec->videopad));
swfdec_decoder_get_rate (swfdec->state, &swfdec->frame_rate);
gst_caps_set_simple (caps,
"framerate", G_TYPE_DOUBLE, (double)swfdec->frame_rate,
"framerate", G_TYPE_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);
link_ret = gst_pad_try_set_caps (swfdec->videopad, caps);
if (GST_PAD_LINK_SUCCESSFUL (link_ret)){
/* good */
} else {
gst_element_error (swfdec, CORE, NEGOTIATION, NULL, NULL);
return;
}
swfdec->have_format = TRUE;
return;
}
@ -221,11 +302,17 @@ gst_swfdec_loop(GstElement *element)
int len;
/* video stuff */
newbuf = gst_buffer_new();
GST_BUFFER_SIZE(newbuf) = swfdec->width * swfdec->height * 3;
//newbuf = gst_buffer_new();
//GST_BUFFER_SIZE(newbuf) = swfdec->width * swfdec->height * 3;
newbuf = gst_pad_alloc_buffer (swfdec->videopad, GST_BUFFER_OFFSET_NONE,
swfdec->width * 4 * swfdec->height);
swfdec_decoder_get_image(swfdec->state, &data);
GST_BUFFER_DATA(newbuf) = data;
copy_image (GST_BUFFER_DATA (newbuf), data, swfdec->width,
swfdec->height);
free (data);
//GST_BUFFER_DATA(newbuf) = data;
swfdec->timestamp += swfdec->interval;
GST_BUFFER_TIMESTAMP(newbuf) = swfdec->timestamp;
@ -267,7 +354,8 @@ gst_swfdec_init (GstSwfdec *swfdec)
"video_00");
gst_pad_set_query_function (swfdec->videopad,
GST_DEBUG_FUNCPTR (gst_swfdec_src_query));
gst_pad_use_explicit_caps (swfdec->videopad);
gst_pad_set_getcaps_function (swfdec->videopad, gst_swfdec_video_getcaps);
gst_pad_set_link_function (swfdec->videopad, gst_swfdec_video_link);
gst_element_add_pad(GST_ELEMENT(swfdec), swfdec->videopad);
swfdec->audiopad = gst_pad_new_from_template(
@ -530,6 +618,7 @@ gst_swfdec_change_state (GstElement *element)
swfdec->closed = FALSE;
/* reset the initial video state */
swfdec->have_format = FALSE;
swfdec->format = -1;
swfdec->width = -1;
swfdec->height = -1;

3
ext/swfdec/gstswfdec.h
View file

@ -57,11 +57,12 @@ struct _GstSwfdec {
/* the timestamp of the next frame */
gboolean first;
gboolean have_format;
double rate;
gint64 timestamp;
gint64 interval;
gfloat frame_rate;
double frame_rate;
/* video state */
gint format;