2 Convert avi movie files into swf.
4 Part of the swftools package.
6 Copyright (c) 2001,2002,2003 Matthias Kramm <kramm@quiss.org>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
27 #include "../config.h"
29 #include "../lib/args.h"
32 #include "videoreader_vfw.hh"
34 #include "videoreader_avifile.hh"
37 static char * filename = 0;
38 static char * outputfilename = "output.swf";
41 static int quality = 80;
42 static double scale = 1.0;
44 static int expensive = 0;
45 static int flashversion = 6;
46 static int keyframe_interval = -1;
48 static float audio_adjust = 0;
49 static int mp3_bitrate = 32;
50 static int samplerate = 11025;
51 static int numframes = 0;
53 static struct options_t options[] = {
59 {"r", "mp3-samplerate"},
66 {"T", "flashversion"},
71 int args_callback_option(char*name,char*val)
73 if(!strcmp(name, "V")) {
74 printf("avi2swf-ng - part of %s %s\n", PACKAGE, VERSION);
77 else if(!strcmp(name, "o")) {
81 else if(!strcmp(name, "n")) {
82 numframes = atoi(val);
85 else if(!strcmp(name, "d")) {
89 else if(!strcmp(name, "q")) {
97 else if(!strcmp(name, "p")) {
101 else if(!strcmp(name, "k")) {
102 keyframe_interval = atoi(val);
105 else if(!strcmp(name, "A")) {
106 audio_adjust = atof(val);
109 else if(!strcmp(name, "v")) {
113 else if(!strcmp(name, "T")) {
114 flashversion = atoi(val);
117 else if(!strcmp(name, "x")) {
121 else if(!strcmp(name, "m")) {
122 mp3_bitrate = atoi(val);
125 else if(!strcmp(name, "r")) {
126 samplerate = atoi(val);
127 if(samplerate >= 11000 && samplerate <= 12000)
129 else if(samplerate >= 22000 && samplerate <= 23000)
131 else if(samplerate >= 44000 && samplerate <= 45000)
134 fprintf(stderr, "Invalid samplerate: %d\n", samplerate);
135 fprintf(stderr, "Allowed values: 11025, 22050, 44100\n", samplerate);
140 else if(!strcmp(name, "S")) {
144 else if(!strcmp(name, "s")) {
145 scale = atoi(val)/100.0;
146 if(scale>1.0 || scale<=0) {
147 fprintf(stderr, "Scale must be in the range 1-100!\n");
152 fprintf(stderr, "Unknown option: -%s\n", name);
155 int args_callback_longoption(char*name,char*val)
157 return args_long2shortoption(options, name, val);
159 void args_callback_usage(char *name)
162 printf("Usage: %s file.avi [-o output.swf]\n", name);
164 printf("-h , --help Print help and exit\n");
165 printf("-o , --output filename Specify output filename\n");
166 printf("-A , --adjust seconds Audio adjust: Shift sound -seconds to the future or +seconds into the past.\n");
167 printf("-n , --num frames Number of frames to encode\n");
168 printf("-m , --mp3-bitrate <kbps> Set the mp3 bitrate to encode audio with\n");
169 printf("-r , --mp3-samplerate <hz> Set the mp3 samplerate to encode audio with (default: 11025)\n");
170 printf("-s , --scale <val> Scale down to factor <val>. (in %, e.g. 100 = original size)\n");
171 printf("-S , --skipframes <num> Skip <num> frames before starting the conversion.\n");
172 printf("-p , --flip Turn movie upside down\n");
173 printf("-q , --quality <val> Set the quality to <val>. (0-100, 0=worst, 100=best, default:80)\n");
174 printf("-k , --keyframe Set the number of intermediate frames between keyframes.\n");
175 printf("-x , --extragood Enable some *very* expensive compression strategies.\n");
176 printf("-T , --flashversion <n> Set output flash version to <n>.\n");
177 printf("-V , --version Print program version and exit\n");
180 int args_callback_command(char*name,char*val)
183 fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
190 static char toabuf[128];
191 static char*ftoa(double a)
193 sprintf(toabuf, "%f", a);
196 static char*itoa(int a)
198 sprintf(toabuf, "%d", a);
203 pthread_t main_thread;
204 static void sigterm(int sig)
206 if(pthread_equal (pthread_self(), main_thread))
208 if(frameno>0 && !shutdown_avi2swf) {
210 printf("Thread [%08x] got sigterm %d\n", pthread_self(), sig);
219 int main (int argc,char ** argv)
227 signal(SIGTERM, sigterm);
228 signal(SIGINT , sigterm);
229 signal(SIGQUIT, sigterm);
230 main_thread = pthread_self();
233 processargs(argc, argv);
235 fprintf(stderr, "You must supply a filename");
238 if(keyframe_interval<0) {
240 keyframe_interval=20;
245 fi = fopen(outputfilename, "wb");
247 fflush(stdout); fflush(stderr);
248 fprintf(stderr, "Couldn't open %s\n", outputfilename);
253 ret = videoreader_vfw_open(&video, filename);
255 ret = videoreader_avifile_open(&video, filename);
259 fprintf(stderr, "Error opening %s\n", filename);
264 printf("| video framerate: %f\n", video.fps);
265 printf("| video size: %dx%d\n", video.width, video.height);
266 printf("| audio rate: %d\n", video.samplerate);
267 printf("| audio channels: %d\n", video.channels);
270 ret = v2swf_init(&v2swf, &video);
272 v2swf_setparameter(&v2swf, "verbose", "1");
274 v2swf_setparameter(&v2swf, "numframes", itoa(numframes));
275 v2swf_setparameter(&v2swf, "quality", itoa(quality));
276 v2swf_setparameter(&v2swf, "blockdiff", "0");
277 v2swf_setparameter(&v2swf, "blockdiff_mode", "exact");
278 v2swf_setparameter(&v2swf, "mp3_bitrate", itoa(mp3_bitrate));
279 v2swf_setparameter(&v2swf, "samplerate", itoa(samplerate));
280 //v2swf_setparameter(&v2swf, "fixheader", "1");
281 //v2swf_setparameter(&v2swf, "framerate", "15");
282 v2swf_setparameter(&v2swf, "scale", ftoa(scale));
283 v2swf_setparameter(&v2swf, "prescale", "1");
284 v2swf_setparameter(&v2swf, "flash_version", itoa(flashversion));
285 v2swf_setparameter(&v2swf, "keyframe_interval", itoa(keyframe_interval));
287 v2swf_setparameter(&v2swf, "motioncompensation", "1");
289 video.setparameter(&video, "flip", "1");
291 video.setparameter(&video, "verbose", "1");
297 int num = ((int)(audio_adjust*video.samplerate))*video.channels*2;
298 void*buf = malloc(num);
299 video.getsamples(&video, buf, num);
301 } else if(audio_adjust<0) {
302 int num = (int)(-audio_adjust*video.fps);
303 void*buf = malloc(video.width*video.height*4);
306 video.getimage(&video, buf);
313 void*buf = malloc(video.width*video.height*4);
314 for(t=0;t<skip;t++) {
315 video.getimage(&video, buf);
316 video.getsamples(&video, buf, (int)((video.samplerate/video.fps)*video.channels*2));
318 printf("\rSkipping frame %d", video.frame);fflush(stdout);
326 int l=v2swf_read(&v2swf, buffer, 4096);
327 fwrite(buffer, l, 1, fi);
331 printf("\rConverting frame %d", video.frame);fflush(stdout);
337 v2swf_backpatch(&v2swf, outputfilename);