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[575/906] filter: port to new upload/download

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This commit is contained in:
Matthew Waters 2012-09-16 21:42:08 +10:00
parent 5d1395f435
commit fa9a4d6862
2 changed files with 60 additions and 21 deletions
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72
gst-libs/gst/gl/gstglfilter.c
View file

@ -34,14 +34,14 @@ static GstStaticPadTemplate gst_gl_filter_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
GST_STATIC_CAPS (GST_GL_UPLOAD_VIDEO_CAPS)
);
static GstStaticPadTemplate gst_gl_filter_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
GST_STATIC_CAPS (GST_GL_DOWNLOAD_VIDEO_CAPS)
);
/* Properties */
@ -220,8 +220,6 @@ gst_gl_filter_reset (GstGLFilter * filter)
filter->display = NULL;
}
filter->width = 0;
filter->height = 0;
filter->fbo = 0;
filter->depthbuffer = 0;
filter->default_shader = NULL;
@ -311,7 +309,6 @@ gst_gl_filter_transform_caps (GstBaseTransform * bt,
par = NULL;
newcaps = gst_caps_new_empty ();
n = gst_caps_get_size (caps);
// structure = gst_caps_get_structure (newcaps, 0);
for (i = 0; i < n; i++) {
structure = gst_caps_get_structure (caps, i);
@ -325,6 +322,8 @@ gst_gl_filter_transform_caps (GstBaseTransform * bt,
// "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
// "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
gst_structure_remove_field (structure, "format");
if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio"))) {
gst_structure_set (structure,
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1,
@ -365,23 +364,54 @@ static gboolean
gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
GstCaps * outcaps)
{
GstVideoInfo info;
GstGLFilter *filter;
GstGLFilterClass *filter_class;
filter = GST_GL_FILTER (bt);
filter_class = GST_GL_FILTER_GET_CLASS (filter);
if (!gst_video_info_from_caps (&info, outcaps))
if (!gst_video_info_from_caps (&filter->in_info, incaps))
goto wrong_caps;
if (!gst_video_info_from_caps (&filter->out_info, outcaps))
goto wrong_caps;
filter->width = GST_VIDEO_INFO_WIDTH (&info);
filter->height = GST_VIDEO_INFO_HEIGHT (&info);
//blocking call, generate a FBO
if (!gst_gl_display_gen_fbo (filter->display, filter->width, filter->height,
if (!gst_gl_display_gen_fbo (filter->display,
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
&filter->fbo, &filter->depthbuffer))
goto display_error;
gst_gl_display_gen_texture (filter->display, &filter->in_tex_id,
GST_VIDEO_INFO_FORMAT (&filter->out_info),
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_display_gen_texture (filter->display, &filter->out_tex_id,
GST_VIDEO_INFO_FORMAT (&filter->out_info),
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
filter->download = gst_gl_display_find_download (filter->display,
GST_VIDEO_INFO_FORMAT (&filter->out_info),
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_download_init_format (filter->download,
GST_VIDEO_INFO_FORMAT (&filter->out_info),
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
filter->upload = gst_gl_display_find_upload (filter->display,
GST_VIDEO_INFO_FORMAT (&filter->out_info),
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_upload_init_format (filter->upload,
GST_VIDEO_INFO_FORMAT (&filter->out_info),
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
if (filter_class->display_init_cb != NULL) {
gst_gl_display_thread_add (filter->display, gst_gl_filter_start_gl, filter);
}
@ -396,7 +426,8 @@ gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
goto display_error;
}
GST_DEBUG ("set_caps %dx%d", filter->width, filter->height);
GST_DEBUG ("set_caps %dx%d", GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
return TRUE;
@ -472,7 +503,6 @@ gst_gl_filter_propose_allocation (GstBaseTransform * trans,
/* we also support various metadata */
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, 0);
gst_query_add_allocation_meta (query, GST_GL_META_API_TYPE, 0);
gst_object_unref (pool);
@ -562,11 +592,14 @@ void
gst_gl_filter_render_to_target (GstGLFilter * filter,
GLuint input, GLuint target, GLCB func, gpointer data)
{
gst_gl_display_use_fbo (filter->display, filter->width, filter->height,
gst_gl_display_use_fbo (filter->display,
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
filter->fbo, filter->depthbuffer, target,
func,
filter->width, filter->height, input,
0, filter->width, 0, filter->height,
func, GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info), input, 0,
GST_VIDEO_INFO_WIDTH (&filter->out_info), 0,
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
GST_GL_DISPLAY_PROJECTION_ORTHO2D, data);
}
@ -613,11 +646,12 @@ gst_gl_filter_draw_texture (GstGLFilter * filter, GLuint texture)
glTexCoord2f (0.0, 0.0);
glVertex2f (-1.0, -1.0);
glTexCoord2f ((gfloat) filter->width, 0.0);
glTexCoord2f ((gfloat) GST_VIDEO_INFO_WIDTH (&filter->out_info), 0.0);
glVertex2f (1.0, -1.0);
glTexCoord2f ((gfloat) filter->width, (gfloat) filter->height);
glTexCoord2f ((gfloat) GST_VIDEO_INFO_WIDTH (&filter->out_info),
(gfloat) GST_VIDEO_INFO_HEIGHT (&filter->out_info));
glVertex2f (1.0, 1.0);
glTexCoord2f (0.0, (gfloat) filter->height);
glTexCoord2f (0.0, (gfloat) GST_VIDEO_INFO_HEIGHT (&filter->out_info));
glVertex2f (-1.0, 1.0);
glEnd ();

9
gst-libs/gst/gl/gstglfilter.h
View file

@ -62,13 +62,18 @@ struct _GstGLFilter
GstGLDisplay *display;
gint width;
gint height;
GstVideoInfo in_info;
GstVideoInfo out_info;
GLuint fbo;
GLuint depthbuffer;
GstGLShader *default_shader;
GLuint in_tex_id;
GLuint out_tex_id;
GstGLUpload *upload;
GstGLDownload *download;
gulong external_gl_context;
};