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, filter->fbo, filter->depthbuffer, target, func, filter->width, filter->height, input, 0, filter->width, 0, filter->height, GST_GL_DISPLAY_PROJECTION_ORTHO2D, data); }
static gboolean gst_gl_filter_cube_filter (GstGLFilter * filter, GstGLBuffer * inbuf, GstGLBuffer * outbuf) { GstGLFilterCube *cube_filter = GST_GL_FILTER_CUBE (filter); //blocking call, use a FBO gst_gl_display_use_fbo (filter->display, filter->width, filter->height, filter->fbo, filter->depthbuffer, outbuf->texture, gst_gl_filter_cube_callback, inbuf->width, inbuf->height, inbuf->texture, cube_filter->fovy, cube_filter->aspect, cube_filter->znear, cube_filter->zfar, GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, (gpointer) cube_filter); return TRUE; }
static gboolean gst_gl_filter_glass_filter (GstGLFilter * filter, GstGLBuffer * inbuf, GstGLBuffer * outbuf) { gpointer glass_filter = GST_GL_FILTER_GLASS (filter); GST_GL_FILTER_GLASS (glass_filter)->timestamp = GST_BUFFER_TIMESTAMP (inbuf); //blocking call, use a FBO gst_gl_display_use_fbo (filter->display, filter->width, filter->height, filter->fbo, filter->depthbuffer, outbuf->texture, gst_gl_filter_glass_callback, inbuf->width, inbuf->height, inbuf->texture, 80, (gdouble) filter->width / (gdouble) filter->height, 1.0, 5000.0, GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, (gpointer) glass_filter); return TRUE; }
static gboolean gst_gl_bumper_filter (GstGLFilter * filter, GstGLBuffer * inbuf, GstGLBuffer * outbuf) { gpointer bumper_filter = GST_GL_BUMPER (filter); //blocking call, use a FBO gst_gl_display_use_fbo (filter->display, filter->width, filter->height, filter->fbo, filter->depthbuffer, outbuf->texture, gst_gl_bumper_callback, inbuf->width, inbuf->height, inbuf->texture, //bumper_filter->fovy, bumper_filter->aspect, bumper_filter->znear, bumper_filter->zfar, 45, (gdouble) filter->width / (gdouble) filter->height, 0.1, 50, GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, bumper_filter); return TRUE; }
static gboolean gst_gl_deinterlace_filter (GstGLFilter * filter, GstGLBuffer * inbuf, GstGLBuffer * outbuf) { GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter); //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, 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)); deinterlace_filter->gl_buffer_prev = GST_GL_BUFFER (gst_buffer_ref (GST_BUFFER_CAST (inbuf))); return TRUE; }
static GstFlowReturn gst_visual_gl_chain (GstPad * pad, GstBuffer * buffer) { GstGLBuffer *outbuf = NULL; GstVisualGL *visual = GST_VISUAL_GL (gst_pad_get_parent (pad)); GstFlowReturn ret = GST_FLOW_OK; guint avail; GST_DEBUG_OBJECT (visual, "chain function called"); /* If we don't have an output format yet, preallocate a buffer to try and * set one */ if (GST_PAD_CAPS (visual->srcpad) == NULL) { ret = get_buffer (visual, &outbuf); if (ret != GST_FLOW_OK) { gst_buffer_unref (buffer); goto beach; } } /* resync on DISCONT */ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) { gst_adapter_clear (visual->adapter); } GST_DEBUG_OBJECT (visual, "Input buffer has %d samples, time=%" G_GUINT64_FORMAT, GST_BUFFER_SIZE (buffer) / visual->bps, GST_BUFFER_TIMESTAMP (buffer)); gst_adapter_push (visual->adapter, buffer); while (TRUE) { gboolean need_skip; guint64 dist, timestamp; GST_DEBUG_OBJECT (visual, "processing buffer"); avail = gst_adapter_available (visual->adapter); GST_DEBUG_OBJECT (visual, "avail now %u", avail); /* we need at least VISUAL_SAMPLES samples */ if (avail < VISUAL_SAMPLES * visual->bps) break; /* we need at least enough samples to make one frame */ if (avail < visual->spf * visual->bps) break; /* get timestamp of the current adapter byte */ timestamp = gst_adapter_prev_timestamp (visual->adapter, &dist); if (GST_CLOCK_TIME_IS_VALID (timestamp)) { /* convert bytes to time */ dist /= visual->bps; timestamp += gst_util_uint64_scale_int (dist, GST_SECOND, visual->rate); } if (timestamp != -1) { gint64 qostime; /* QoS is done on running time */ qostime = gst_segment_to_running_time (&visual->segment, GST_FORMAT_TIME, timestamp); qostime += visual->duration; GST_OBJECT_LOCK (visual); /* check for QoS, don't compute buffers that are known to be late */ need_skip = visual->earliest_time != -1 && qostime <= visual->earliest_time; GST_OBJECT_UNLOCK (visual); if (need_skip) { GST_WARNING_OBJECT (visual, "QoS: skip ts: %" GST_TIME_FORMAT ", earliest: %" GST_TIME_FORMAT, GST_TIME_ARGS (qostime), GST_TIME_ARGS (visual->earliest_time)); goto skip; } } /* alloc a buffer if we don't have one yet, this happens * when we pushed a buffer in this while loop before */ if (outbuf == NULL) { ret = get_buffer (visual, &outbuf); if (ret != GST_FLOW_OK) { goto beach; } } /* render libvisual plugin to our target */ gst_gl_display_use_fbo_v2 (visual->display, visual->width, visual->height, visual->fbo, visual->depthbuffer, visual->midtexture, (GLCB_V2) render_frame, (gpointer *) visual); /* gst video is top-down whereas opengl plan is bottom up */ gst_gl_display_use_fbo (visual->display, visual->width, visual->height, visual->fbo, visual->depthbuffer, outbuf->texture, (GLCB) bottom_up_to_top_down, visual->width, visual->height, visual->midtexture, 0, visual->width, 0, visual->height, GST_GL_DISPLAY_PROJECTION_ORTHO2D, (gpointer *) visual); GST_BUFFER_TIMESTAMP (outbuf) = timestamp; GST_BUFFER_DURATION (outbuf) = visual->duration; ret = gst_pad_push (visual->srcpad, GST_BUFFER (outbuf)); outbuf = NULL; skip: GST_DEBUG_OBJECT (visual, "finished frame, flushing %u samples from input", visual->spf); /* Flush out the number of samples per frame */ gst_adapter_flush (visual->adapter, visual->spf * visual->bps); /* quit the loop if something was wrong */ if (ret != GST_FLOW_OK) break; } beach: if (outbuf != NULL) gst_gl_buffer_unref (outbuf); gst_object_unref (visual); return ret; }