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<h1>video_sdl_sink_uc.h</h1> </div>
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<a href="video__sdl__sink__uc_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_UC_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_VIDEO_SDL_SINK_UC_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <gr_sync_block.h></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__uc_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__uc_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__uc.html" title="video sink using SDL">video_sdl_sink_uc</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_uc></a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">video_sdl_sink_uc_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_uc_sptr</a>
<a name="l00038"></a>00038 <a class="code" href="video__sdl__sink__uc_8h.html#aee93a3c4f7a726c4b8a3b3f43bb7d74d">video_sdl_make_sink_uc</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__uc_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 uchar.</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__uc.html">00050</a> <span class="keyword">class </span><a class="code" href="classvideo__sdl__sink__uc.html" title="video sink using SDL">video_sdl_sink_uc</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 implementa...">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_uc_sptr</a>
<a name="l00052"></a>00052 <a class="code" href="classvideo__sdl__sink__uc.html#a58dd238b6c9cf456e9cd606bbaa4b32c">video_sdl_make_sink_uc</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__uc.html#a18ea958a23b5f0e5848bf87c9dae19dd">video_sdl_sink_uc</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__uc.html#a22bb6c788de3ce1de91aa1060afa8b67">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">unsigned</span> <span class="keywordtype">char</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__uc.html#a25f751ee5fa8566c59c8c9746d244c3e">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">unsigned</span> <span class="keywordtype">char</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__uc.html#a25f8e904df72b0116228f3887dd35a16">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">unsigned</span> <span class="keywordtype">char</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__uc.html#a9e4891ef79089a02036c8f27697cfe96">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">unsigned</span> <span class="keywordtype">char</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__uc.html#adb8cabcea086f676b97ab52b3763aff9">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">unsigned</span> <span class="keywordtype">char</span> * src_pixels);
<a name="l00067"></a><a class="code" href="classvideo__sdl__sink__uc.html#a0ee8cbe1e17ea09daddacc8efde0e444">00067</a> <span class="keywordtype">float</span> <a class="code" href="classvideo__sdl__sink__uc.html#a0ee8cbe1e17ea09daddacc8efde0e444">d_framerate</a>;
<a name="l00068"></a><a class="code" href="classvideo__sdl__sink__uc.html#abd4106b123e15ee8b0799643a2223bed">00068</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#abd4106b123e15ee8b0799643a2223bed">d_wanted_frametime_ms</a>;
<a name="l00069"></a><a class="code" href="classvideo__sdl__sink__uc.html#a009bcca53e2cf2f5d40d119d869a65b9">00069</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#a009bcca53e2cf2f5d40d119d869a65b9">d_width</a>;
<a name="l00070"></a><a class="code" href="classvideo__sdl__sink__uc.html#ac54bd2ac3129743f01a3203c0b95a1f5">00070</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#ac54bd2ac3129743f01a3203c0b95a1f5">d_height</a>;
<a name="l00071"></a><a class="code" href="classvideo__sdl__sink__uc.html#a8a8efe3966f48f7eb2cfeeb9e668440a">00071</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#a8a8efe3966f48f7eb2cfeeb9e668440a">d_dst_width</a>;
<a name="l00072"></a><a class="code" href="classvideo__sdl__sink__uc.html#a19e1160ce30cc28158ff5b591204bf14">00072</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#a19e1160ce30cc28158ff5b591204bf14">d_dst_height</a>;
<a name="l00073"></a><a class="code" href="classvideo__sdl__sink__uc.html#a526bd1e53220eb20977e3541ab305b95">00073</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#a526bd1e53220eb20977e3541ab305b95">d_format</a>;
<a name="l00074"></a><a class="code" href="classvideo__sdl__sink__uc.html#aa3737dc14a588da44a1736d59e2908d2">00074</a> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#aa3737dc14a588da44a1736d59e2908d2">d_current_line</a>;
<a name="l00075"></a><a class="code" href="classvideo__sdl__sink__uc.html#a24372601217daaa224c0c09f281e56de">00075</a> SDL_Surface *<a class="code" href="classvideo__sdl__sink__uc.html#a24372601217daaa224c0c09f281e56de">d_screen</a>;
<a name="l00076"></a><a class="code" href="classvideo__sdl__sink__uc.html#a1abe175a9d430ec2586cb0acf68bb3d5">00076</a> SDL_Overlay *<a class="code" href="classvideo__sdl__sink__uc.html#a1abe175a9d430ec2586cb0acf68bb3d5">d_image</a>;
<a name="l00077"></a><a class="code" href="classvideo__sdl__sink__uc.html#a84427a82c1b07e333bd100f6fcbab835">00077</a> SDL_Rect <a class="code" href="classvideo__sdl__sink__uc.html#a84427a82c1b07e333bd100f6fcbab835">d_dst_rect</a>;
<a name="l00078"></a><a class="code" href="classvideo__sdl__sink__uc.html#aed4ec82483a8597d938683eba9b10af9">00078</a> <span class="keywordtype">float</span> <a class="code" href="classvideo__sdl__sink__uc.html#aed4ec82483a8597d938683eba9b10af9">d_avg_delay</a>;
<a name="l00079"></a><a class="code" href="classvideo__sdl__sink__uc.html#afcd4b4e8e16a97f2c312d5d9df19141d">00079</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#afcd4b4e8e16a97f2c312d5d9df19141d">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__uc.html#afabcbdced11c747a77f715ed78cde71e">~video_sdl_sink_uc</a> ();
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordtype">int</span> <a class="code" href="classvideo__sdl__sink__uc.html#a6d1d869671837b6acecfa7da556fbcc0" 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_UC_H */</span>
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