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/*
* Copyright (C) 2007-2013 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* video_out_raw.c, a video output plugin to pass raw data to frontend
*
* Written by Christophe Thommeret <hftom@free.fr>,
* based on others' video output plugins.
*
*/
/* #define LOG */
#define LOG_MODULE "video_out_raw"
/* Allow frontend some time to render frames
* However, frontends are strongly advised to render synchronously */
#define NUM_FRAMES_BACKLOG 4
#define BYTES_PER_PIXEL 3
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <math.h>
#include <errno.h>
#include <ctype.h>
#include <pthread.h>
#include <xine.h>
#include <xine/video_out.h>
#include <xine/xine_internal.h>
#include "yuv2rgb.h"
#include <xine/xineutils.h>
#ifdef HAVE_FFMPEG_AVUTIL_H
# include <mem.h>
#else
# include <libavutil/mem.h>
#endif
typedef struct {
vo_frame_t vo_frame;
int width, height, format, flags;
double ratio;
uint8_t *rgb, *rgb_dst;
yuv2rgb_t *yuv2rgb; /* yuv2rgb converter set up for this frame */
} raw_frame_t;
typedef struct {
vo_driver_t vo_driver;
void *user_data;
void (*raw_output_cb) (void *user_data, int format,
int frame_width, int frame_height, double frame_aspect,
void *data0, void *data1, void *data2);
void (*raw_overlay_cb) (void *user_data, int num_ovl,
raw_overlay_t *overlays_p);
int ovl_changed;
raw_overlay_t overlays[XINE_VORAW_MAX_OVL];
yuv2rgb_t *ovl_yuv2rgb;
int doYV12;
int doYUY2;
yuv2rgb_factory_t *yuv2rgb_factory;
/* Frame state */
raw_frame_t *frame[NUM_FRAMES_BACKLOG];
xine_t *xine;
} raw_driver_t;
typedef struct {
video_driver_class_t driver_class;
xine_t *xine;
} raw_class_t;
static void raw_overlay_clut_yuv2rgb(raw_driver_t *this, vo_overlay_t *overlay, raw_frame_t *frame)
{
int i;
clut_t* clut = (clut_t*) overlay->color;
if (!overlay->rgb_clut) {
for ( i=0; i<sizeof(overlay->color)/sizeof(overlay->color[0]); i++ ) {
*((uint32_t *)&clut[i]) = this->ovl_yuv2rgb->yuv2rgb_single_pixel_fun(frame->yuv2rgb, clut[i].y, clut[i].cb, clut[i].cr);
}
overlay->rgb_clut++;
}
if (!overlay->hili_rgb_clut) {
clut = (clut_t*) overlay->hili_color;
for ( i=0; i<sizeof(overlay->color)/sizeof(overlay->color[0]); i++) {
*((uint32_t *)&clut[i]) = this->ovl_yuv2rgb->yuv2rgb_single_pixel_fun(frame->yuv2rgb, clut[i].y, clut[i].cb, clut[i].cr);
}
overlay->hili_rgb_clut++;
}
}
static int raw_process_ovl( raw_driver_t *this_gen, vo_overlay_t *overlay )
{
raw_overlay_t *ovl = &this_gen->overlays[this_gen->ovl_changed-1];
if ( overlay->width<=0 || overlay->height<=0 )
return 0;
if ( (overlay->width*overlay->height)!=(ovl->ovl_w*ovl->ovl_h) )
ovl->ovl_rgba = (uint8_t*)realloc( ovl->ovl_rgba, overlay->width*overlay->height*4 );
ovl->ovl_w = overlay->width;
ovl->ovl_h = overlay->height;
ovl->ovl_x = overlay->x;
ovl->ovl_y = overlay->y;
int num_rle = overlay->num_rle;
rle_elem_t *rle = overlay->rle;
uint8_t *rgba = ovl->ovl_rgba;
clut_t *low_colors = (clut_t*)overlay->color;
clut_t *hili_colors = (clut_t*)overlay->hili_color;
uint8_t *low_trans = overlay->trans;
uint8_t *hili_trans = overlay->hili_trans;
clut_t *colors;
uint8_t *trans;
uint8_t alpha;
int rlelen = 0;
uint8_t clr = 0;
int i, pos=0, x, y;
while ( num_rle>0 ) {
x = pos%ovl->ovl_w;
y = pos/ovl->ovl_w;
if ( (x>=overlay->hili_left && x<=overlay->hili_right) && (y>=overlay->hili_top && y<=overlay->hili_bottom) ) {
colors = hili_colors;
trans = hili_trans;
}
else {
colors = low_colors;
trans = low_trans;
}
rlelen = rle->len;
clr = rle->color;
alpha = trans[clr];
for ( i=0; i<rlelen; ++i ) {
if ( alpha == 0 ) {
rgba[0] = rgba[1] = rgba[2] = rgba[3] = 0;
}
else {
rgba[0] = colors[clr].y;
rgba[1] = colors[clr].cr;
rgba[2] = colors[clr].cb;
rgba[3] = alpha*255/15;
}
rgba+= 4;
++pos;
}
++rle;
--num_rle;
}
return 1;
}
static void raw_overlay_begin (vo_driver_t *this_gen, vo_frame_t *frame_gen, int changed)
{
raw_driver_t *this = (raw_driver_t *) this_gen;
if ( !changed )
return;
++this->ovl_changed;
}
static void raw_overlay_blend (vo_driver_t *this_gen, vo_frame_t *frame_gen, vo_overlay_t *overlay)
{
raw_driver_t *this = (raw_driver_t *) this_gen;
raw_frame_t *frame = (raw_frame_t *) frame_gen;
if ( !this->ovl_changed || this->ovl_changed>XINE_VORAW_MAX_OVL )
return;
if (overlay->rle) {
if (!overlay->rgb_clut || !overlay->hili_rgb_clut)
raw_overlay_clut_yuv2rgb (this, overlay, frame);
if ( raw_process_ovl( this, overlay ) )
++this->ovl_changed;
}
}
static void raw_overlay_end (vo_driver_t *this_gen, vo_frame_t *vo_img)
{
raw_driver_t *this = (raw_driver_t *) this_gen;
if ( !this->ovl_changed )
return;
this->raw_overlay_cb( this->user_data, this->ovl_changed-1, this->overlays );
this->ovl_changed = 0;
}
static void raw_frame_proc_slice (vo_frame_t *vo_img, uint8_t **src)
{
raw_frame_t *frame = (raw_frame_t *) vo_img ;
vo_img->proc_called = 1;
if (! frame->rgb_dst)
return;
if( frame->vo_frame.crop_left || frame->vo_frame.crop_top ||
frame->vo_frame.crop_right || frame->vo_frame.crop_bottom )
{
/* TODO: ?!? */
return;
}
if (frame->format == XINE_IMGFMT_YV12)
frame->yuv2rgb->yuv2rgb_fun (frame->yuv2rgb, frame->rgb_dst, src[0], src[1], src[2]);
else
frame->yuv2rgb->yuy22rgb_fun (frame->yuv2rgb, frame->rgb_dst, src[0]);
}
static void raw_frame_field (vo_frame_t *vo_img, int which_field)
{
raw_frame_t *frame = (raw_frame_t *) vo_img ;
raw_driver_t *this = (raw_driver_t *) vo_img->driver;
if ( frame->format==XINE_IMGFMT_YV12 && this->doYV12 ) {
frame->rgb_dst = 0;
return;
}
else if ( frame->format==XINE_IMGFMT_YUY2 && this->doYUY2 ) {
frame->rgb_dst = 0;
return;
}
switch (which_field) {
case VO_TOP_FIELD:
frame->rgb_dst = (uint8_t *)frame->rgb;
break;
case VO_BOTTOM_FIELD:
frame->rgb_dst = (uint8_t *)frame->rgb + frame->width * BYTES_PER_PIXEL;
break;
case VO_BOTH_FIELDS:
frame->rgb_dst = (uint8_t *)frame->rgb;
break;
}
frame->yuv2rgb->next_slice (frame->yuv2rgb, NULL);
}
static void raw_frame_dispose (vo_frame_t *vo_img)
{
raw_frame_t *frame = (raw_frame_t *) vo_img ;
frame->yuv2rgb->dispose (frame->yuv2rgb);
av_free (frame->vo_frame.base[0]);
av_free (frame->vo_frame.base[1]);
av_free (frame->vo_frame.base[2]);
av_free (frame->rgb);
free (frame);
}
static vo_frame_t *raw_alloc_frame (vo_driver_t *this_gen)
{
raw_frame_t *frame;
raw_driver_t *this = (raw_driver_t *) this_gen;
frame = (raw_frame_t *) calloc(1, sizeof(raw_frame_t));
if (!frame)
return NULL;
frame->vo_frame.base[0] = frame->vo_frame.base[1] = frame->vo_frame.base[2] = frame->rgb = NULL;
frame->width = frame->height = frame->format = frame->flags = 0;
pthread_mutex_init (&frame->vo_frame.mutex, NULL);
/*
* supply required functions/fields
*/
frame->vo_frame.proc_slice = raw_frame_proc_slice;
frame->vo_frame.proc_frame = NULL;
frame->vo_frame.field = raw_frame_field;
frame->vo_frame.dispose = raw_frame_dispose;
frame->vo_frame.driver = this_gen;
/*
* colorspace converter for this frame
*/
frame->yuv2rgb = this->yuv2rgb_factory->create_converter (this->yuv2rgb_factory);
return (vo_frame_t *) frame;
}
static void raw_update_frame_format (vo_driver_t *this_gen, vo_frame_t *frame_gen,
uint32_t width, uint32_t height, double ratio, int format, int flags)
{
raw_frame_t *frame = (raw_frame_t *) frame_gen;
/* Check frame size and format and reallocate if necessary */
if ((frame->width != width)
|| (frame->height != height)
|| (frame->format != format)
|| (frame->flags != flags)) {
/* lprintf ("updating frame to %d x %d (ratio=%g, format=%08x)\n", width, height, ratio, format); */
/* (re-) allocate render space */
av_free (frame->vo_frame.base[0]);
av_free (frame->vo_frame.base[1]);
av_free (frame->vo_frame.base[2]);
av_free (frame->rgb);
if (format == XINE_IMGFMT_YV12) {
frame->vo_frame.pitches[0] = 8*((width + 7) / 8);
frame->vo_frame.pitches[1] = 8*((width + 15) / 16);
frame->vo_frame.pitches[2] = 8*((width + 15) / 16);
frame->vo_frame.base[0] = av_mallocz (frame->vo_frame.pitches[0] * height);
frame->vo_frame.base[1] = av_mallocz (frame->vo_frame.pitches[1] * ((height+1)/2));
frame->vo_frame.base[2] = av_mallocz (frame->vo_frame.pitches[2] * ((height+1)/2));
} else {
frame->vo_frame.pitches[0] = 8*((width + 3) / 4);
frame->vo_frame.base[0] = av_mallocz (frame->vo_frame.pitches[0] * height);
frame->vo_frame.base[1] = NULL;
frame->vo_frame.base[2] = NULL;
}
frame->rgb = av_mallocz (BYTES_PER_PIXEL*width*height);
/* set up colorspace converter */
switch (flags & VO_BOTH_FIELDS) {
case VO_TOP_FIELD:
case VO_BOTTOM_FIELD:
frame->yuv2rgb->configure (frame->yuv2rgb,
width,
height,
2*frame->vo_frame.pitches[0],
2*frame->vo_frame.pitches[1],
width,
height,
BYTES_PER_PIXEL*width * 2);
break;
case VO_BOTH_FIELDS:
frame->yuv2rgb->configure (frame->yuv2rgb,
width,
height,
frame->vo_frame.pitches[0],
frame->vo_frame.pitches[1],
width,
height,
BYTES_PER_PIXEL*width);
break;
}
frame->width = width;
frame->height = height;
frame->format = format;
frame->flags = flags;
raw_frame_field ((vo_frame_t *)frame, flags);
}
frame->ratio = ratio;
}
static int raw_redraw_needed (vo_driver_t *this_gen)
{
return 0;
}
static void raw_display_frame (vo_driver_t *this_gen, vo_frame_t *frame_gen)
{
raw_driver_t *this = (raw_driver_t *) this_gen;
raw_frame_t *frame = (raw_frame_t *) frame_gen;
int i;
if (this->frame[NUM_FRAMES_BACKLOG-1]) {
this->frame[NUM_FRAMES_BACKLOG-1]->vo_frame.free (&this->frame[NUM_FRAMES_BACKLOG-1]->vo_frame);
}
for (i = NUM_FRAMES_BACKLOG-1; i > 0; i--)
this->frame[i] = this->frame[i-1];
this->frame[0] = frame;
if ( frame->rgb_dst ) {
this->raw_output_cb( this->user_data, XINE_VORAW_RGB, frame->width, frame->height, frame->ratio, frame->rgb, 0, 0 );
}
else if ( frame->format==XINE_IMGFMT_YV12 ) {
this->raw_output_cb( this->user_data, XINE_VORAW_YV12, frame->width, frame->height, frame->ratio, frame->vo_frame.base[0],
frame->vo_frame.base[1], frame->vo_frame.base[2] );
}
else {
this->raw_output_cb( this->user_data, XINE_VORAW_YUY2, frame->width, frame->height, frame->ratio, frame->vo_frame.base[0], 0, 0 );
}
}
static int raw_get_property (vo_driver_t *this_gen, int property)
{
switch (property) {
case VO_PROP_ASPECT_RATIO:
return XINE_VO_ASPECT_AUTO;
case VO_PROP_MAX_NUM_FRAMES:
return 15;
case VO_PROP_BRIGHTNESS:
return 0;
case VO_PROP_CONTRAST:
return 128;
case VO_PROP_SATURATION:
return 128;
case VO_PROP_WINDOW_WIDTH:
return 0;
case VO_PROP_WINDOW_HEIGHT:
return 0;
default:
return 0;
}
}
static int raw_set_property (vo_driver_t *this_gen, int property, int value)
{
return value;
}
static void raw_get_property_min_max (vo_driver_t *this_gen, int property, int *min, int *max)
{
*min = 0;
*max = 0;
}
static int raw_gui_data_exchange (vo_driver_t *this_gen, int data_type, void *data)
{
return 0;
}
static uint32_t raw_get_capabilities (vo_driver_t *this_gen)
{
uint32_t capabilities = VO_CAP_YV12 | VO_CAP_YUY2 | VO_CAP_CROP;
return capabilities;
}
static void raw_dispose (vo_driver_t *this_gen)
{
raw_driver_t *this = (raw_driver_t *) this_gen;
int i;
for (i = 0; i < NUM_FRAMES_BACKLOG; i++)
if (this->frame[i])
this->frame[i]->vo_frame.dispose (&this->frame[i]->vo_frame);
this->yuv2rgb_factory->dispose (this->yuv2rgb_factory);
for ( i=0; i<XINE_VORAW_MAX_OVL; ++i )
free( this->overlays[i].ovl_rgba );
free (this);
}
static vo_driver_t *raw_open_plugin (video_driver_class_t *class_gen, const void *visual_gen)
{
raw_class_t *class = (raw_class_t *) class_gen;
raw_visual_t *visual = (raw_visual_t *) visual_gen;
raw_driver_t *this;
int i;
this = (raw_driver_t *) calloc(1, sizeof(raw_driver_t));
if (!this)
return NULL;
this->raw_output_cb = visual->raw_output_cb;
this->user_data = visual->user_data;
this->xine = class->xine;
this->raw_overlay_cb = visual->raw_overlay_cb;
this->doYV12 = visual->supported_formats&XINE_VORAW_YV12;
this->doYUY2 = visual->supported_formats&XINE_VORAW_YUY2;
this->vo_driver.get_capabilities = raw_get_capabilities;
this->vo_driver.alloc_frame = raw_alloc_frame;
this->vo_driver.update_frame_format = raw_update_frame_format;
this->vo_driver.overlay_begin = raw_overlay_begin;
this->vo_driver.overlay_blend = raw_overlay_blend;
this->vo_driver.overlay_end = raw_overlay_end;
this->vo_driver.display_frame = raw_display_frame;
this->vo_driver.get_property = raw_get_property;
this->vo_driver.set_property = raw_set_property;
this->vo_driver.get_property_min_max = raw_get_property_min_max;
this->vo_driver.gui_data_exchange = raw_gui_data_exchange;
this->vo_driver.dispose = raw_dispose;
this->vo_driver.redraw_needed = raw_redraw_needed;
this->yuv2rgb_factory = yuv2rgb_factory_init (MODE_24_BGR, 1, NULL); /* converts to rgb */
for (i = 0; i < NUM_FRAMES_BACKLOG; i++)
this->frame[i] = 0;
for ( i=0; i<XINE_VORAW_MAX_OVL; ++i ) {
this->overlays[i].ovl_w = this->overlays[i].ovl_h = 2;
this->overlays[i].ovl_rgba = (uint8_t*)malloc(2*2*4);
this->overlays[i].ovl_x = this->overlays[i].ovl_y = 0;
}
this->ovl_changed = 0;
/* we have to use a second converter for overlays
* because "MODE_24_BGR, 1 (swap)" breaks overlays conversion */
yuv2rgb_factory_t *factory = yuv2rgb_factory_init (MODE_24_BGR, 0, NULL);
this->ovl_yuv2rgb = factory->create_converter( factory );
factory->dispose( factory );
return &this->vo_driver;
}
/*
* class functions
*/
static void *raw_init_class (xine_t *xine, void *visual_gen)
{
raw_class_t *this = (raw_class_t *) calloc(1, sizeof(raw_class_t));
this->driver_class.open_plugin = raw_open_plugin;
this->driver_class.identifier = "raw";
this->driver_class.description = _("xine video output plugin passing raw data to supplied callback");
this->driver_class.dispose = default_video_driver_class_dispose;
this->xine = xine;
return this;
}
static const vo_info_t vo_info_raw = {
7, /* priority */
XINE_VISUAL_TYPE_RAW /* visual type */
};
/*
* exported plugin catalog entry
*/
const plugin_info_t xine_plugin_info[] EXPORTED = {
/* type, API, "name", version, special_info, init_function */
{ PLUGIN_VIDEO_OUT, 22, "raw", XINE_VERSION_CODE, &vo_info_raw, raw_init_class },
{ PLUGIN_NONE, 0, "", 0, NULL, NULL }
};