int myframes;
- struct writer_t out;
- struct writer_t out2;
+ writer_t out;
+ writer_t out2;
ringbuffer_t r;
videoreader_t* video;
+ double video_fps;
int width;
int height;
+ int video_eof;
+ int audio_eof;
+
unsigned char* vrbuffer;
unsigned char* buffer;
unsigned char* lastbitmap;
int keyframe;
int showframe;
+ int skipframes;
+
float samplepos;
float framesamplepos;
int samplewritepos;
int soundstreamhead;
int seek;
+ int numframes;
+
double audio_fix;
int fixheader;
int prescale;
int scale;
+
+ int add_cut;
int domotion;
if(!verbose)
return;
va_start(arglist, format);
- vsprintf(buf, format, arglist);
+ vsnprintf(buf, sizeof(buf)-1, format, arglist);
va_end(arglist);
l = strlen(buf);
while(l && buf[l-1]=='\n') {
swf_ShapeFree(shape);
}
+/* returns 0 on partial read */
static int getSamples(videoreader_t*video, S16*data, int len, double speedup)
{
double pos = 0;
- double ratio = (double) video->rate * speedup / swf_mp3_in_samplerate;
+ double ratio = (double) video->samplerate * speedup / swf_mp3_in_samplerate;
int rlen = (int)(len * ratio);
int t;
S16 tmp[576*32];
int r = /*resampled len */ rlen *
/* s16_le */ 2 *
video->channels;
- if(videoreader_getsamples(video, tmp, r) < r)
+ int l = 0;
+ memset(tmp, 0, sizeof(tmp));
+ if(r>0)
+ l = videoreader_getsamples(video, tmp, r);
+ if(l <= 0) {
return 0;
+ }
+ msg("%d samples read", l);
/* convert to 1 channel */
for(t=0;t<rlen;t++) {
data[t] = tmp[(int)pos];
pos+=ratio;
}
- return 1;
+ return l == r;
}
static void writeAudioForOneFrame(v2swf_internal_t* i)
msg("writeAudioForOneFrame()");
- if(i->video->channels<=0 || i->video->rate<=0)
+ if(i->audio_eof || i->video->channels<=0 || i->video->samplerate<=0) {
+ i->audio_eof = 1;
return; /* no sound in video */
+ }
blocksize = (i->samplerate > 22050) ? 1152 : 576;
blockspersecond = ((double)i->samplerate)/blocksize;
/* The pre-processing of sound samples in getSamples(..) above
re-samples the sound to swf_mp3_in_samplerate. It is best to
simply make it the original samplerate: */
- swf_mp3_in_samplerate = i->video->rate;
+ swf_mp3_in_samplerate = i->video->samplerate;
/* first run - initialize */
swf_mp3_channels = 1;//i->video->channels;
/* write num frames, max 1 block */
for(pos=0;pos<num;pos++) {
if(!getSamples(i->video, block1, blocksize * (double)swf_mp3_in_samplerate/swf_mp3_out_samplerate, speedup)) {
- i->video->rate = i->video->channels = 0; //end of soundtrack
- return;
+ i->audio_eof = 1; i->video->samplerate = i->video->channels = 0; //end of soundtrack
+ /* fall through, this probably was a partial read. (We did, after all,
+ come to this point, so i->audio_eof must have been false so far) */
}
if(!pos) {
swf_ResetTag(i->tag, ST_SOUNDSTREAMBLOCK);
i->showframe = 1;
}
-static int wwrite(struct writer_t*w, void*data, int len)
+static int wwrite(writer_t*w, void*data, int len)
{
v2swf_internal_t* i = (v2swf_internal_t*)w->internal;
ringbuffer_put(&i->r, data, len);
return len;
}
-static void wfinish(struct writer_t*w)
+static void wfinish(writer_t*w)
{
v2swf_internal_t* i = (v2swf_internal_t*)w->internal;
}
if(!i->finished) {
msg("write endtag\n", i->finished);
+ if(i->add_cut) {
+ swf_ResetTag(i->tag, ST_SHOWFRAME);
+ i->filesize += swf_WriteTag2(&i->out, i->tag);
+
+ swf_ResetTag(i->tag, ST_REMOVEOBJECT2);
+ swf_SetU16(i->tag, 1); //depth
+ i->filesize += swf_WriteTag2(&i->out, i->tag);
+
+ swf_ResetTag(i->tag, ST_DOACTION);
+ swf_SetU16(i->tag, 0x0007);
+ i->filesize += swf_WriteTag2(&i->out, i->tag);
+ }
+
swf_ResetTag(i->tag, ST_END);
i->filesize += swf_WriteTag2(&i->out, i->tag);
+
i->out.finish(&i->out);
if(i->version>=6) {
int xv,yv;
int xm = (i->video->width*65536)/i->width;
int ym = (i->video->height*65536)/i->height;
+ msg("scaling from %dx%d to %dx%d\n",
+ i->video->width, i->video->height,
+ i->width, i->height
+ );
+
memset(i->buffer, 255, i->width*i->height*4);
for(y=0,yv=0;y<i->height;y++,yv+=ym) {
int*src = &((int*)i->vrbuffer)[(yv>>16)*i->video->width];
//memcpy(i->buffer, i->vrbuffer, i->width*i->height*4);
}
+static int writeAudioOnly(v2swf_internal_t*i)
+{
+ if(i->showframe) {
+ i->fpspos += i->fpsratio;
+ /* skip frames */
+ if(i->fpspos<1.0) {
+ return 0;
+ }
+ writeShowFrame(i);
+ }
+ i->showframe = 1;
+ return 1;
+}
+
+static int getframe(v2swf_internal_t*i)
+{
+ if(!i->skipframes)
+ return videoreader_getimage(i->video, i->vrbuffer);
+ else {
+ int t;
+ for(t=0;t<i->skipframes;t++) {
+ int ret = videoreader_getimage(i->video, i->vrbuffer);
+ if(!ret)
+ return 0;
+ }
+ return 1;
+ }
+}
+
static int encodeoneframe(v2swf_internal_t*i)
{
videoreader_t*video = i->video;
checkInit(i);
- if(videoreader_eof(i->video) || !videoreader_getimage(i->video, i->vrbuffer))
- {
- msg("videoreader returned eof\n");
- finish(i);
+ if(i->video_eof && i->audio_eof) {
+ if(!i->finished)
+ finish(i);
return 0;
}
- i->fpspos += i->fpsratio;
+ if(!i->audio_eof && i->video_eof) {
+ return writeAudioOnly(i);
+ }
- /* skip frames */
- if(i->fpspos<1.0) {
- return 0;
+ if(!getframe(i) || (i->numframes && i->frames==i->numframes))
+ {
+ i->video_eof = 1;
+ msg("videoreader returned eof\n");
+ if(i->audio_eof || (i->numframes && i->frames==i->numframes)) {
+ finish(i);
+ return 0;
+ } else {
+ return writeAudioOnly(i);
+ }
}
-
- msg("encoding image for frame %d\n", i->frames);
- if(i->showframe)
+ msg("encoding image for frame %d\n", i->frames);
+ if(i->showframe) {
+ i->fpspos += i->fpsratio;
+ /* skip frames */
+ if(i->fpspos<1.0) {
+ return 0;
+ }
writeShowFrame(i);
-
- msg("scaling\n");
-
+ }
+
scaleimage(i);
msg("version is %d\n", i->version);
return 1;
}
+static void init_fps(v2swf_internal_t*i)
+{
+ int oldframerate = i->framerate;
+ i->framerate = i->video->fps / i->skipframes;
+ i->video_fps = ((int)(i->framerate*256))/256.0;
+ if(oldframerate)
+ msg("setting new framerate to %f\n", i->framerate);
+}
+
int v2swf_init(v2swf_t*v2swf, videoreader_t * video)
{
int ret = 0;
ringbuffer_init(&i->r);
+ i->skipframes = 1;
+ i->framerate = 0;
+ i->video = video;
+ init_fps(i);
+
msg("video: %dx%d, fps %f\n", video->width, video->height, video->fps);
- i->video = video;
i->blockdiff = 64;
i->keyframe_interval = 8;
i->quality = 20;
i->scale = 65536;
+ i->add_cut = 1;
i->samplerate = 11025;
i->prescale = 0;
+ i->numframes= 0;
+ i->skipframes = 0;
i->head_done = 0;
i->diffmode = DIFFMODE_QMEAN;
i->audio_fix = 1.0;
i->fixheader = 0;
- i->framerate = video->fps;
- i->fpsratio = 1.00000000;
+ i->fpsratio = 1.00000000000;
i->fpspos = 0.0;
i->bitrate = 32;
i->version = 6;
i->keyframe = 1;
i->showframe = 0;
- memset(&i->out, 0, sizeof(struct writer_t));
- memset(&i->out2, 0, sizeof(struct writer_t));
+ memset(&i->out, 0, sizeof(writer_t));
+ memset(&i->out2, 0, sizeof(writer_t));
return 0;
}
i->version = atoi(value);
} else if(!strcmp(name, "audiosync")) {
i->audio_fix = (int)(atof(value));
+ } else if(!strcmp(name, "addcut")) {
+ i->add_cut = atoi(value);
} else if(!strcmp(name, "scale")) {
i->scale = (int)(atof(value)*65536);
} else if(!strcmp(name, "scale65536")) {
i->scale = atoi(value);
} else if(!strcmp(name, "quality")) {
i->quality = atoi(value);
+ } else if(!strcmp(name, "skipframes")) {
+ i->skipframes = atoi(value);
+ init_fps(i);
+ } else if(!strcmp(name, "numframes")) {
+ i->numframes = atoi(value);
} else if(!strcmp(name, "motioncompensation")) {
i->domotion = atoi(value);
} else if(!strcmp(name, "prescale")) {
i->samplerate = atoi(value);
} else if(!strcmp(name, "framerate")) {
i->framerate = atof(value);
- i->fpsratio = i->framerate / i->video->fps;
+ i->fpsratio = i->framerate / i->video_fps;
}
else if(!strcmp(name, "mp3_bitrate")) {
int t=0,o;
close(fi);
fi = open(filename, O_WRONLY|O_BINARY|O_TRUNC|O_CREAT, 0666);
if(fi>=0) {
- swf_WriteSWC(fi, &tmp);
+ swf_WriteSWF(fi, &tmp);
close(fi);
msg("v2swf_backpatch %s - fix header: success\n", filename);
}
git.asbjorn.biz / swftools.git / blobdiff