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-rw-r--r--src/post/planar/boxblur.c482
1 files changed, 482 insertions, 0 deletions
diff --git a/src/post/planar/boxblur.c b/src/post/planar/boxblur.c
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index 000000000..32aea491e
--- /dev/null
+++ b/src/post/planar/boxblur.c
@@ -0,0 +1,482 @@
+/*
+ * Copyright (C) 2000-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * $Id: boxblur.c,v 1.1 2003/06/29 18:56:24 miguelfreitas Exp $
+ *
+ * mplayer's boxblur
+ * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
+ */
+
+#include "xine_internal.h"
+#include "post.h"
+#include "xineutils.h"
+#include <pthread.h>
+
+/* plugin class initialization function */
+void *boxblur_init_plugin(xine_t *xine, void *);
+
+#if 0 /* moved to planar.c */
+/* plugin catalog information */
+post_info_t boxblur_special_info = { XINE_POST_TYPE_VIDEO_FILTER };
+
+plugin_info_t xine_plugin_info[] = {
+ /* type, API, "name", version, special_info, init_function */
+ { PLUGIN_POST, 3, "boxblur", XINE_VERSION_CODE, &boxblur_special_info, &boxblur_init_plugin },
+ { PLUGIN_NONE, 0, "", 0, NULL, NULL }
+};
+#endif
+
+typedef struct post_plugin_boxblur_s post_plugin_boxblur_t;
+
+/*
+ * this is the struct used by "parameters api"
+ */
+typedef struct boxblur_parameters_s {
+
+ int luma_radius;
+ int luma_power;
+ int chroma_radius;
+ int chroma_power;
+
+} boxblur_parameters_t;
+
+/*
+ * description of params struct
+ */
+START_PARAM_DESCR( boxblur_parameters_t )
+PARAM_ITEM( POST_PARAM_TYPE_INT, luma_radius, NULL, 0, 10, 0,
+ "radius of luma blur" )
+PARAM_ITEM( POST_PARAM_TYPE_INT, luma_power, NULL, 0, 10, 0,
+ "power of luma blur" )
+PARAM_ITEM( POST_PARAM_TYPE_INT, chroma_radius, NULL, -1, 10, 0,
+ "radius of chroma blur (-1 = same as luma)" )
+PARAM_ITEM( POST_PARAM_TYPE_INT, chroma_power, NULL, -1, 10, 0,
+ "power of chroma blur (-1 = same as luma)" )
+END_PARAM_DESCR( param_descr )
+
+
+/* plugin structure */
+struct post_plugin_boxblur_s {
+ post_plugin_t post;
+
+ /* private data */
+ xine_video_port_t *vo_port;
+ xine_stream_t *stream;
+
+ boxblur_parameters_t params;
+
+ pthread_mutex_t lock;
+};
+
+
+static int set_parameters (xine_post_t *this_gen, void *param_gen) {
+ post_plugin_boxblur_t *this = (post_plugin_boxblur_t *)this_gen;
+ boxblur_parameters_t *param = (boxblur_parameters_t *)param_gen;
+
+ pthread_mutex_lock (&this->lock);
+
+ memcpy( &this->params, param, sizeof(boxblur_parameters_t) );
+
+ pthread_mutex_unlock (&this->lock);
+
+ return 1;
+}
+
+static int get_parameters (xine_post_t *this_gen, void *param_gen) {
+ post_plugin_boxblur_t *this = (post_plugin_boxblur_t *)this_gen;
+ boxblur_parameters_t *param = (boxblur_parameters_t *)param_gen;
+
+
+ memcpy( param, &this->params, sizeof(boxblur_parameters_t) );
+
+ return 1;
+}
+
+static xine_post_api_descr_t * get_param_descr (void) {
+ return &param_descr;
+}
+
+static xine_post_api_t post_api = {
+ set_parameters,
+ get_parameters,
+ get_param_descr,
+};
+
+typedef struct post_boxblur_out_s post_boxblur_out_t;
+struct post_boxblur_out_s {
+ xine_post_out_t xine_out;
+
+ post_plugin_boxblur_t *plugin;
+};
+
+/* plugin class functions */
+static post_plugin_t *boxblur_open_plugin(post_class_t *class_gen, int inputs,
+ xine_audio_port_t **audio_target,
+ xine_video_port_t **video_target);
+static char *boxblur_get_identifier(post_class_t *class_gen);
+static char *boxblur_get_description(post_class_t *class_gen);
+static void boxblur_class_dispose(post_class_t *class_gen);
+
+/* plugin instance functions */
+static void boxblur_dispose(post_plugin_t *this_gen);
+
+/* rewire function */
+static int boxblur_rewire(xine_post_out_t *output, void *data);
+
+/* replaced video_port functions */
+static void boxblur_open(xine_video_port_t *port_gen, xine_stream_t *stream);
+static vo_frame_t *boxblur_get_frame(xine_video_port_t *port_gen, uint32_t width,
+ uint32_t height, int ratio_code,
+ int format, int flags);
+static void boxblur_close(xine_video_port_t *port_gen, xine_stream_t *stream);
+
+/* replaced vo_frame functions */
+static int boxblur_draw(vo_frame_t *frame, xine_stream_t *stream);
+
+
+void *boxblur_init_plugin(xine_t *xine, void *data)
+{
+ post_class_t *class = (post_class_t *)malloc(sizeof(post_class_t));
+
+ if (!class)
+ return NULL;
+
+ class->open_plugin = boxblur_open_plugin;
+ class->get_identifier = boxblur_get_identifier;
+ class->get_description = boxblur_get_description;
+ class->dispose = boxblur_class_dispose;
+
+ return class;
+}
+
+
+static post_plugin_t *boxblur_open_plugin(post_class_t *class_gen, int inputs,
+ xine_audio_port_t **audio_target,
+ xine_video_port_t **video_target)
+{
+ post_plugin_boxblur_t *this = (post_plugin_boxblur_t *)malloc(sizeof(post_plugin_boxblur_t));
+ xine_post_in_t *input = (xine_post_in_t *)malloc(sizeof(xine_post_in_t));
+ xine_post_in_t *input_api = (xine_post_in_t *)malloc(sizeof(xine_post_in_t));
+ post_boxblur_out_t *output = (post_boxblur_out_t *)malloc(sizeof(post_boxblur_out_t));
+ post_video_port_t *port;
+
+ if (!this || !input || !output || !video_target || !video_target[0]) {
+ free(this);
+ free(input);
+ free(output);
+ return NULL;
+ }
+
+ this->stream = NULL;
+
+ this->params.luma_radius = 2;
+ this->params.luma_power = 1;
+ this->params.chroma_radius = -1;
+ this->params.chroma_power = -1;
+
+ pthread_mutex_init (&this->lock, NULL);
+
+ port = post_intercept_video_port(&this->post, video_target[0]);
+ /* replace with our own get_frame function */
+ port->port.open = boxblur_open;
+ port->port.get_frame = boxblur_get_frame;
+ port->port.close = boxblur_close;
+
+ input->name = "video";
+ input->type = XINE_POST_DATA_VIDEO;
+ input->data = (xine_video_port_t *)&port->port;
+
+ input_api->name = "parameters";
+ input_api->type = XINE_POST_DATA_PARAMETERS;
+ input_api->data = &post_api;
+
+ output->xine_out.name = "boxblured video";
+ output->xine_out.type = XINE_POST_DATA_VIDEO;
+ output->xine_out.data = (xine_video_port_t **)&port->original_port;
+ output->xine_out.rewire = boxblur_rewire;
+ output->plugin = this;
+
+ this->post.xine_post.audio_input = (xine_audio_port_t **)malloc(sizeof(xine_audio_port_t *));
+ this->post.xine_post.audio_input[0] = NULL;
+ this->post.xine_post.video_input = (xine_video_port_t **)malloc(sizeof(xine_video_port_t *) * 2);
+ this->post.xine_post.video_input[0] = &port->port;
+ this->post.xine_post.video_input[1] = NULL;
+
+ this->post.input = xine_list_new();
+ this->post.output = xine_list_new();
+
+ xine_list_append_content(this->post.input, input);
+ xine_list_append_content(this->post.input, input_api);
+ xine_list_append_content(this->post.output, output);
+
+ this->post.dispose = boxblur_dispose;
+
+ return &this->post;
+}
+
+static char *boxblur_get_identifier(post_class_t *class_gen)
+{
+ return "boxblur";
+}
+
+static char *boxblur_get_description(post_class_t *class_gen)
+{
+ return "box blur filter from mplayer";
+}
+
+static void boxblur_class_dispose(post_class_t *class_gen)
+{
+ free(class_gen);
+}
+
+
+static void boxblur_dispose(post_plugin_t *this_gen)
+{
+ post_plugin_boxblur_t *this = (post_plugin_boxblur_t *)this_gen;
+ post_boxblur_out_t *output = (post_boxblur_out_t *)xine_list_first_content(this->post.output);
+ xine_video_port_t *port = *(xine_video_port_t **)output->xine_out.data;
+
+ if (this->stream)
+ port->close(port, this->stream);
+
+ free(this->post.xine_post.audio_input);
+ free(this->post.xine_post.video_input);
+ free(xine_list_first_content(this->post.input));
+ free(xine_list_first_content(this->post.output));
+ xine_list_free(this->post.input);
+ xine_list_free(this->post.output);
+ free(this);
+}
+
+
+static int boxblur_rewire(xine_post_out_t *output_gen, void *data)
+{
+ post_boxblur_out_t *output = (post_boxblur_out_t *)output_gen;
+ xine_video_port_t *old_port = *(xine_video_port_t **)output_gen->data;
+ xine_video_port_t *new_port = (xine_video_port_t *)data;
+
+ if (!data)
+ return 0;
+
+ if (output->plugin->stream) {
+ /* register our stream at the new output port */
+ old_port->close(old_port, output->plugin->stream);
+ new_port->open(new_port, output->plugin->stream);
+ }
+ /* reconnect ourselves */
+ *(xine_video_port_t **)output_gen->data = new_port;
+
+ return 1;
+}
+
+static void boxblur_open(xine_video_port_t *port_gen, xine_stream_t *stream)
+{
+ post_video_port_t *port = (post_video_port_t *)port_gen;
+ post_plugin_boxblur_t *this = (post_plugin_boxblur_t *)port->post;
+ this->stream = stream;
+ port->original_port->open(port->original_port, stream);
+}
+
+static vo_frame_t *boxblur_get_frame(xine_video_port_t *port_gen, uint32_t width,
+ uint32_t height, int ratio_code,
+ int format, int flags)
+{
+ post_video_port_t *port = (post_video_port_t *)port_gen;
+ vo_frame_t *frame;
+
+ frame = port->original_port->get_frame(port->original_port,
+ width, height, ratio_code, format, flags);
+
+ post_intercept_video_frame(frame, port);
+ /* replace with our own draw function */
+ frame->draw = boxblur_draw;
+ /* decoders should not copy the frames, since they won't be displayed */
+ frame->copy = NULL;
+
+ return frame;
+}
+
+static void boxblur_close(xine_video_port_t *port_gen, xine_stream_t *stream)
+{
+ post_video_port_t *port = (post_video_port_t *)port_gen;
+ post_plugin_boxblur_t *this = (post_plugin_boxblur_t *)port->post;
+
+ this->stream = NULL;
+
+ port->original_port->close(port->original_port, stream);
+}
+
+
+static inline void blur(uint8_t *dst, uint8_t *src, int w, int radius, int dstStep, int srcStep){
+ int x;
+ const int length= radius*2 + 1;
+ const int inv= ((1<<16) + length/2)/length;
+
+ int sum= 0;
+
+ for(x=0; x<radius; x++){
+ sum+= src[x*srcStep]<<1;
+ }
+ sum+= src[radius*srcStep];
+
+ for(x=0; x<=radius; x++){
+ sum+= src[(radius+x)*srcStep] - src[(radius-x)*srcStep];
+ dst[x*dstStep]= (sum*inv + (1<<15))>>16;
+ }
+
+ for(; x<w-radius; x++){
+ sum+= src[(radius+x)*srcStep] - src[(x-radius-1)*srcStep];
+ dst[x*dstStep]= (sum*inv + (1<<15))>>16;
+ }
+
+ for(; x<w; x++){
+ sum+= src[(2*w-radius-x-1)*srcStep] - src[(x-radius-1)*srcStep];
+ dst[x*dstStep]= (sum*inv + (1<<15))>>16;
+ }
+}
+
+static inline void blur2(uint8_t *dst, uint8_t *src, int w, int radius, int power, int dstStep, int srcStep){
+ uint8_t temp[2][4096];
+ uint8_t *a= temp[0], *b=temp[1];
+
+ if(radius){
+ blur(a, src, w, radius, 1, srcStep);
+ for(; power>2; power--){
+ uint8_t *c;
+ blur(b, a, w, radius, 1, 1);
+ c=a; a=b; b=c;
+ }
+ if(power>1)
+ blur(dst, a, w, radius, dstStep, 1);
+ else{
+ int i;
+ for(i=0; i<w; i++)
+ dst[i*dstStep]= a[i];
+ }
+ }else{
+ int i;
+ for(i=0; i<w; i++)
+ dst[i*dstStep]= src[i*srcStep];
+ }
+}
+
+static void hBlur(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, int radius, int power){
+ int y;
+
+ if(radius==0 && dst==src) return;
+
+ for(y=0; y<h; y++){
+ blur2(dst + y*dstStride, src + y*srcStride, w, radius, power, 1, 1);
+ }
+}
+
+//FIXME optimize (x before y !!!)
+static void vBlur(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, int radius, int power){
+ int x;
+
+ if(radius==0 && dst==src) return;
+
+ for(x=0; x<w; x++){
+ blur2(dst + x, src + x, h, radius, power, dstStride, srcStride);
+ }
+}
+
+
+static int boxblur_draw(vo_frame_t *frame, xine_stream_t *stream)
+{
+ post_video_port_t *port = (post_video_port_t *)frame->port;
+ post_plugin_boxblur_t *this = (post_plugin_boxblur_t *)port->post;
+ vo_frame_t *out_frame;
+ vo_frame_t *yv12_frame;
+ int chroma_radius, chroma_power;
+ int cw, ch;
+ int skip;
+
+ post_restore_video_frame(frame, port);
+
+ if( !frame->bad_frame ) {
+
+
+ /* convert to YV12 if needed */
+ if( frame->format != XINE_IMGFMT_YV12 ) {
+
+ yv12_frame = port->original_port->get_frame(port->original_port,
+ frame->width, frame->height, frame->ratio, XINE_IMGFMT_YV12, VO_BOTH_FIELDS);
+
+ yv12_frame->pts = frame->pts;
+ yv12_frame->duration = frame->duration;
+ extra_info_merge(yv12_frame->extra_info, frame->extra_info);
+
+ /* FIXME: implement! */
+ /* yuy2_to_yv12() */
+
+ } else {
+ yv12_frame = frame;
+ yv12_frame->lock(yv12_frame);
+ }
+
+
+ out_frame = port->original_port->get_frame(port->original_port,
+ frame->width, frame->height, frame->ratio, XINE_IMGFMT_YV12, VO_BOTH_FIELDS);
+
+
+ extra_info_merge(out_frame->extra_info, frame->extra_info);
+
+ out_frame->pts = frame->pts;
+ out_frame->duration = frame->duration;
+
+ pthread_mutex_lock (&this->lock);
+
+ chroma_radius = (this->params.chroma_radius != -1) ? this->params.chroma_radius :
+ this->params.luma_radius;
+ chroma_power = (this->params.chroma_power != -1) ? this->params.chroma_power :
+ this->params.luma_power;
+ cw = yv12_frame->width/2;
+ ch = yv12_frame->height/2;
+
+ hBlur(out_frame->base[0], yv12_frame->base[0], yv12_frame->width, yv12_frame->height,
+ out_frame->pitches[0], yv12_frame->pitches[0], this->params.luma_radius, this->params.luma_power);
+ hBlur(out_frame->base[1], yv12_frame->base[1], cw,ch,
+ out_frame->pitches[1], yv12_frame->pitches[1], chroma_radius, chroma_power);
+ hBlur(out_frame->base[2], yv12_frame->base[2], cw,ch,
+ out_frame->pitches[2], yv12_frame->pitches[2], chroma_radius, chroma_power);
+
+ vBlur(out_frame->base[0], out_frame->base[0], yv12_frame->width, yv12_frame->height,
+ out_frame->pitches[0], out_frame->pitches[0], this->params.luma_radius, this->params.luma_power);
+ vBlur(out_frame->base[1], out_frame->base[1], cw,ch,
+ out_frame->pitches[1], out_frame->pitches[1], chroma_radius, chroma_power);
+ vBlur(out_frame->base[2], out_frame->base[2], cw,ch,
+ out_frame->pitches[2], out_frame->pitches[2], chroma_radius, chroma_power);
+
+ pthread_mutex_unlock (&this->lock);
+
+ skip = out_frame->draw(out_frame, stream);
+
+ frame->vpts = out_frame->vpts;
+
+ out_frame->free(out_frame);
+ yv12_frame->free(yv12_frame);
+
+ } else {
+ skip = frame->draw(frame, stream);
+ }
+
+
+ return skip;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 21:56:10 +0000