<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GNU Radio 3.2.2 C++ API: video_sdl_sink_s.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.2 --> <h1>video_sdl_sink_s.h</h1><a href="video__sdl__sink__s_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span> <a name="l00002"></a>00002 <span class="comment">/*</span> <a name="l00003"></a>00003 <span class="comment"> * Copyright 2006 Free Software Foundation, Inc.</span> <a name="l00004"></a>00004 <span class="comment"> * </span> <a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span> <a name="l00006"></a>00006 <span class="comment"> * </span> <a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span> <a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span> <a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span> <a name="l00010"></a>00010 <span class="comment"> * any later version.</span> <a name="l00011"></a>00011 <span class="comment"> * </span> <a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span> <a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> <a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span> <a name="l00016"></a>00016 <span class="comment"> * </span> <a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span> <a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span> <a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span> <a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span> <a name="l00021"></a>00021 <span class="comment"> */</span> <a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="preprocessor">#ifndef INCLUDED_VIDEO_SDL_SINK_S_H</span> <a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_VIDEO_SDL_SINK_S_H</span> <a name="l00025"></a>00025 <span class="preprocessor"></span> <a name="l00026"></a>00026 <span class="preprocessor">#include <<a class="code" href="gr__sync__block_8h.html">gr_sync_block.h</a>></span> <a name="l00027"></a>00027 <span class="preprocessor">#include <string></span> <a name="l00028"></a>00028 <span class="preprocessor">#include <SDL.h></span> <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="comment">/* fourcc (four character code) */</span> <a name="l00031"></a><a class="code" href="video__sdl__sink__s_8h.html#a1a61cf7243cac43604f2f287649bf5d1">00031</a> <span class="preprocessor">#define vid_fourcc(a,b,c,d) (((unsigned)(a)<<0) | ((unsigned)(b)<<8) | ((unsigned)(c)<<16) | ((unsigned)(d)<<24))</span> <a name="l00032"></a><a class="code" href="video__sdl__sink__s_8h.html#a680b7b7dac54df8c9cc91434e6c88d68">00032</a> <span class="preprocessor"></span><span class="preprocessor">#define IMGFMT_YV12 vid_fourcc('Y','V','1','2') </span><span class="comment">/* 12 YVU 4:2:0 */</span> <a name="l00033"></a>00033 <a name="l00034"></a>00034 <span class="keyword">class </span><a class="code" href="classvideo__sdl__sink__s.html" title="video sink using SDL">video_sdl_sink_s</a>; <a name="l00035"></a>00035 <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">boost::shared_ptr<video_sdl_sink_s></a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">video_sdl_sink_s_sptr</a>; <a name="l00036"></a>00036 <a name="l00037"></a>00037 <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">video_sdl_sink_s_sptr</a> <a name="l00038"></a>00038 <a class="code" href="video__sdl__sink__s_8h.html#a96bd5a5194cb1009b8ed097dce193353">video_sdl_make_sink_s</a> (<span class="keywordtype">double</span> framerate,<span class="keywordtype">int</span> width=640, <span class="keywordtype">int</span> height=480,<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> format=<a class="code" href="video__sdl__sink__s_8h.html#a680b7b7dac54df8c9cc91434e6c88d68">IMGFMT_YV12</a>,<span class="keywordtype">int</span> dst_width=-1,<span class="keywordtype">int</span> dst_height=-1); <a name="l00039"></a>00039 <span class="comment"></span> <a name="l00040"></a>00040 <span class="comment">/*!</span> <a name="l00041"></a>00041 <span class="comment"> * \brief video sink using SDL</span> <a name="l00042"></a>00042 <span class="comment"> *</span> <a name="l00043"></a>00043 <span class="comment"> * input signature is one, two or three streams of signed short.</span> <a name="l00044"></a>00044 <span class="comment"> * One stream: stream is grey (Y)</span> <a name="l00045"></a>00045 <span class="comment"> * two streems: first is grey (Y), second is alternating U and V</span> <a name="l00046"></a>00046 <span class="comment"> * Three streams: first is grey (Y), second is U, third is V</span> <a name="l00047"></a>00047 <span class="comment"> * Input samples must be in the range [0,255].</span> <a name="l00048"></a>00048 <span class="comment"> */</span> <a name="l00049"></a>00049 <a name="l00050"></a><a class="code" href="classvideo__sdl__sink__s.html">00050</a> <span class="keyword">class </span><a class="code" href="classvideo__sdl__sink__s.html" title="video sink using SDL">video_sdl_sink_s</a> : <span class="keyword">public</span> <a class="code" href="classgr__sync__block.html" title="synchronous 1:1 input to output with historyOverride work to provide the signal processing...">gr_sync_block</a> { <a name="l00051"></a>00051 <span class="keyword">friend</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">video_sdl_sink_s_sptr</a> <a name="l00052"></a>00052 <a class="code" href="classvideo__sdl__sink__s.html#a3d0f4ed2eb917dd95d7085919ef81ef3">video_sdl_make_sink_s</a> (<span class="keywordtype">double</span> framerate,<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height,<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> format,<span class="keywordtype">int</span> dst_width,<span class="keywordtype">int</span> dst_height); <a name="l00053"></a>00053 <a name="l00054"></a>00054 <span class="keywordtype">int</span> d_chunk_size; <a name="l00055"></a>00055 <a name="l00056"></a>00056 <span class="keyword">protected</span>: <a name="l00057"></a>00057 <a class="code" href="classvideo__sdl__sink__s.html#a13fe42133c6b7a4f8bf564097f89280e">video_sdl_sink_s</a> (<span class="keywordtype">double</span> framerate,<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height,<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> format, <a name="l00058"></a>00058 <span class="keywordtype">int</span> dst_width,<span class="keywordtype">int</span> dst_height); <a name="l00059"></a>00059 <span class="keywordtype">void</span> <a class="code" href="classvideo__sdl__sink__s.html#a3a0f4aeacc1234a9ca10e58c5ed78912">copy_line_pixel_interleaved</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst_pixels_u,<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst_pixels_v, <a name="l00060"></a>00060 <span class="keyword">const</span> <span class="keywordtype">short</span> * src_pixels,<span class="keywordtype">int</span> src_width); <a name="l00061"></a>00061 <span class="keywordtype">void</span> <a class="code" href="classvideo__sdl__sink__s.html#af5f63ab16463f8a56a36b3561c67d1ea">copy_line_line_interleaved</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst_pixels_u,<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst_pixels_v, <a name="l00062"></a>00062 <span class="keyword">const</span> <span class="keywordtype">short</span> * src_pixels,<span class="keywordtype">int</span> src_width); <a name="l00063"></a>00063 <span class="keywordtype">void</span> <a class="code" href="classvideo__sdl__sink__s.html#ae446be40c92474b1fed03118cc64ad74">copy_line_single_plane</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst_pixels,<span class="keyword">const</span> <span class="keywordtype">short</span> * src_pixels,<span class="keywordtype">int</span> src_width); <a name="l00064"></a>00064 <span class="keywordtype">void</span> <a class="code" href="classvideo__sdl__sink__s.html#a2e39d1cdb50365da8a8992a27c772aa0">copy_line_single_plane_dec2</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst_pixels,<span class="keyword">const</span> <span class="keywordtype">short</span> * src_pixels,<span class="keywordtype">int</span> src_width); <a name="l00065"></a>00065 <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#a3b9ded4df3e3c066e794e30c160f14bb">copy_plane_to_surface</a> (<span class="keywordtype">int</span> plane,<span class="keywordtype">int</span> noutput_items, <a name="l00066"></a>00066 <span class="keyword">const</span> <span class="keywordtype">short</span> * src_pixels); <a name="l00067"></a><a class="code" href="classvideo__sdl__sink__s.html#a6de9fe9068dfd79ed60181d6603249c2">00067</a> <span class="keywordtype">float</span> <a class="code" href="classvideo__sdl__sink__s.html#a6de9fe9068dfd79ed60181d6603249c2">d_framerate</a>; <a name="l00068"></a><a class="code" href="classvideo__sdl__sink__s.html#a55089181bf56924158764e8c553a2891">00068</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#a55089181bf56924158764e8c553a2891">d_wanted_frametime_ms</a>; <a name="l00069"></a><a class="code" href="classvideo__sdl__sink__s.html#aacf803bd3a64aecb681c2a8844d0ccea">00069</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#aacf803bd3a64aecb681c2a8844d0ccea">d_width</a>; <a name="l00070"></a><a class="code" href="classvideo__sdl__sink__s.html#a24660141bb303bb05c51e1a03d89399d">00070</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#a24660141bb303bb05c51e1a03d89399d">d_height</a>; <a name="l00071"></a><a class="code" href="classvideo__sdl__sink__s.html#a245c3564903dc8acd71080172af3eb41">00071</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#a245c3564903dc8acd71080172af3eb41">d_dst_width</a>; <a name="l00072"></a><a class="code" href="classvideo__sdl__sink__s.html#aec1c6cb46ba38f2ef7d85fa789d43768">00072</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#aec1c6cb46ba38f2ef7d85fa789d43768">d_dst_height</a>; <a name="l00073"></a><a class="code" href="classvideo__sdl__sink__s.html#a8e2a05b9435672526b722b586fa9ccba">00073</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#a8e2a05b9435672526b722b586fa9ccba">d_format</a>; <a name="l00074"></a><a class="code" href="classvideo__sdl__sink__s.html#a9d306b2f7eccf448aa9d66fc038d0112">00074</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#a9d306b2f7eccf448aa9d66fc038d0112">d_current_line</a>; <a name="l00075"></a><a class="code" href="classvideo__sdl__sink__s.html#a648ee7f90a44ce2511a5b5989c172431">00075</a> SDL_Surface *<a class="code" href="classvideo__sdl__sink__s.html#a648ee7f90a44ce2511a5b5989c172431">d_screen</a>; <a name="l00076"></a><a class="code" href="classvideo__sdl__sink__s.html#a5ae997bedcacb0aa6dcc44bbe4836b75">00076</a> SDL_Overlay *<a class="code" href="classvideo__sdl__sink__s.html#a5ae997bedcacb0aa6dcc44bbe4836b75">d_image</a>; <a name="l00077"></a><a class="code" href="classvideo__sdl__sink__s.html#a12c36bd7666a388c02ac62b00a72101d">00077</a> SDL_Rect <a class="code" href="classvideo__sdl__sink__s.html#a12c36bd7666a388c02ac62b00a72101d">d_dst_rect</a>; <a name="l00078"></a><a class="code" href="classvideo__sdl__sink__s.html#a0c50e82e844d4441054552f879111132">00078</a> <span class="keywordtype">float</span> <a class="code" href="classvideo__sdl__sink__s.html#a0c50e82e844d4441054552f879111132">d_avg_delay</a>; <a name="l00079"></a><a class="code" href="classvideo__sdl__sink__s.html#aa3aff50d564b7701c6def7e8ff03fe93">00079</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#aa3aff50d564b7701c6def7e8ff03fe93">d_wanted_ticks</a>; <a name="l00080"></a>00080 <a name="l00081"></a>00081 <a name="l00082"></a>00082 <span class="keyword">public</span>: <a name="l00083"></a>00083 <a class="code" href="classvideo__sdl__sink__s.html#a67a1d45a96a169c51619b50f15be198e">~video_sdl_sink_s</a> (); <a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__s.html#a625e79d7d815b722441f29d58e9dd656" title="just like gr_block::general_work, only this arranges to call consume_each for you...">work</a> (<span class="keywordtype">int</span> noutput_items, <a name="l00086"></a>00086 <a class="code" href="classstd_1_1vector.html">gr_vector_const_void_star</a> &input_items, <a name="l00087"></a>00087 <a class="code" href="classstd_1_1vector.html">gr_vector_void_star</a> &output_items); <a name="l00088"></a>00088 }; <a name="l00089"></a>00089 <a name="l00090"></a>00090 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_VIDEO_SDL_SINK_S_H */</span> </pre></div></div> <hr size="1"/><address style="text-align: right;"><small>Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> </body> </html>