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[538/906] GstGLDeinterlace: update for GstGLMeta

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This commit is contained in:
Matthew Waters 2012-07-11 14:20:14 +10:00
parent d4045e7699
commit 84bf052181
2 changed files with 31 additions and 18 deletions
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47
gst/gl/gstgldeinterlace.c
View file

@ -60,7 +60,7 @@ static void gst_gl_deinterlace_get_property (GObject * object,
static void gst_gl_deinterlace_reset (GstGLFilter * filter);
static gboolean gst_gl_deinterlace_init_shader (GstGLFilter * filter);
static gboolean gst_gl_deinterlace_filter (GstGLFilter * filter,
GstGLBuffer * inbuf, GstGLBuffer * outbuf);
GstBuffer * inbuf, GstBuffer * outbuf);
static void gst_gl_deinterlace_callback (gint width, gint height,
guint texture, gpointer stuff);
@ -99,7 +99,7 @@ static void
gst_gl_deinterlace_init (GstGLDeinterlace * filter)
{
filter->shader = NULL;
filter->gl_buffer_prev = NULL;
filter->buffer_prev = NULL;
}
static void
@ -107,9 +107,9 @@ gst_gl_deinterlace_reset (GstGLFilter * filter)
{
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter);
if (deinterlace_filter->gl_buffer_prev) {
gst_buffer_unref (GST_BUFFER_CAST (deinterlace_filter->gl_buffer_prev));
deinterlace_filter->gl_buffer_prev = NULL;
if (deinterlace_filter->buffer_prev) {
gst_buffer_unref (deinterlace_filter->buffer_prev);
deinterlace_filter->buffer_prev = NULL;
}
//blocking call, wait the opengl thread has destroyed the shader
gst_gl_display_del_shader (filter->display, deinterlace_filter->shader);
@ -152,23 +152,33 @@ gst_gl_deinterlace_init_shader (GstGLFilter * filter)
}
static gboolean
gst_gl_deinterlace_filter (GstGLFilter * filter, GstGLBuffer * inbuf,
GstGLBuffer * outbuf)
gst_gl_deinterlace_filter (GstGLFilter * filter, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter);
GstGLMeta *in_meta, *out_meta;
GstVideoMeta *in_v_meta;
in_meta = gst_buffer_get_gl_meta (inbuf);
out_meta = gst_buffer_get_gl_meta (outbuf);
in_v_meta = gst_buffer_get_video_meta (inbuf);
if (!in_meta || !out_meta || !in_v_meta) {
GST_WARNING ("A buffer does not contain required GstGLMeta or"
" GstVideoMeta");
return FALSE;
}
//blocking call, use a FBO
gst_gl_display_use_fbo (filter->display, filter->width, filter->height,
filter->fbo, filter->depthbuffer, outbuf->texture,
gst_gl_deinterlace_callback, inbuf->width, inbuf->height,
inbuf->texture, 0, filter->width, 0, filter->height,
filter->fbo, filter->depthbuffer, out_meta->memory->tex_id,
gst_gl_deinterlace_callback, in_v_meta->width, in_v_meta->height,
in_meta->memory->tex_id, 0, filter->width, 0, filter->height,
GST_GL_DISPLAY_PROJECTION_ORTHO2D, (gpointer) deinterlace_filter);
if (deinterlace_filter->gl_buffer_prev)
gst_buffer_unref (GST_BUFFER_CAST (deinterlace_filter->gl_buffer_prev));
if (deinterlace_filter->buffer_prev)
gst_buffer_unref (deinterlace_filter->buffer_prev);
deinterlace_filter->gl_buffer_prev =
GST_GL_BUFFER (gst_buffer_ref (GST_BUFFER_CAST (inbuf)));
deinterlace_filter->buffer_prev = gst_buffer_ref (inbuf);
return TRUE;
}
@ -180,7 +190,9 @@ gst_gl_deinterlace_callback (gint width, gint height, guint texture,
{
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLBuffer *gl_buffer_prev = deinterlace_filter->gl_buffer_prev;
GstBuffer *buffer_prev = deinterlace_filter->buffer_prev;
GstGLMeta *prev_meta;
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
@ -189,10 +201,11 @@ gst_gl_deinterlace_callback (gint width, gint height, guint texture,
glEnable (GL_TEXTURE_RECTANGLE_ARB);
if (gl_buffer_prev) {
if (buffer_prev) {
prev_meta = gst_buffer_get_gl_meta (buffer_prev);
glActiveTexture (GL_TEXTURE1_ARB);
gst_gl_shader_set_uniform_1i (deinterlace_filter->shader, "tex_prev", 1);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, gl_buffer_prev->texture);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, prev_meta->memory->tex_id);
}
glActiveTexture (GL_TEXTURE0_ARB);

2
gst/gl/gstgldeinterlace.h
View file

@ -39,7 +39,7 @@ struct _GstGLDeinterlace
{
GstGLFilter filter;
GstGLShader *shader;
GstGLBuffer *gl_buffer_prev;
GstBuffer *buffer_prev;
};
struct _GstGLDeinterlaceClass