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add libduckbox

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Origin commit data
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Branch: master
Commit: 4dc1171253
Author: max_10 <max_10@gmx.de>
Date: 2014-04-27 (Sun, 27 Apr 2014)


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This commit was generated by Migit
This commit is contained in:
max_10
2014-04-27 01:52:05 +02:00
parent d66ac58859
commit 3d49692a9f
73 changed files with 4050 additions and 2030 deletions
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31
libspark/video.cpp
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@@ -426,6 +426,8 @@ void cVideo::SetVideoMode(analog_mode_t mode)
void cVideo::ShowPicture(const char * fname, const char *_destname)
{
lt_debug("%s(%s)\n", __func__, fname);
static const unsigned char pes_header[] = { 0x00, 0x00, 0x01, 0xE0, 0x00, 0x00, 0x80, 0x00, 0x00 };
static const unsigned char seq_end[] = { 0x00, 0x00, 0x01, 0xB7 };
char destname[512];
char cmd[512];
char *p;
@@ -444,7 +446,7 @@ void cVideo::ShowPicture(const char * fname, const char *_destname)
if (_destname)
strncpy(destname, _destname, sizeof(destname));
else {
strcpy(destname, "/var/cache");
strcpy(destname, "/tmp/cache");
if (stat(fname, &st2))
{
lt_info("%s: could not stat %s (%m)\n", __func__, fname);
@@ -456,7 +458,7 @@ void cVideo::ShowPicture(const char * fname, const char *_destname)
build that filename first...
TODO: this could cause name clashes, use a hashing function instead... */
strcat(destname, fname);
p = &destname[strlen("/var/cache/")];
p = &destname[strlen("/tmp/cache/")];
while ((p = strchr(p, '/')) != NULL)
*p = '.';
strcat(destname, ".m2v");
@@ -468,7 +470,7 @@ void cVideo::ShowPicture(const char * fname, const char *_destname)
u.actime = time(NULL);
u.modtime = st2.st_mtime;
/* it does not exist or has a different date, so call ffmpeg... */
sprintf(cmd, "ffmpeg -y -f mjpeg -i '%s' -s 1280x720 '%s' </dev/null",
sprintf(cmd, "ffmpeg -y -f mjpeg -i '%s' -s 1280x720 -aspect 16:9 '%s' </dev/null",
fname, destname);
system(cmd); /* TODO: use libavcodec to directly convert it */
utime(destname, &u);
@@ -491,17 +493,30 @@ void cVideo::ShowPicture(const char * fname, const char *_destname)
if (ioctl(fd, VIDEO_SET_FORMAT, VIDEO_FORMAT_16_9) < 0)
lt_info("%s: VIDEO_SET_FORMAT failed (%m)\n", __func__);
char *iframe = (char *)malloc(st.st_size);
bool seq_end_avail = false;
size_t pos=0;
unsigned char *iframe = (unsigned char *)malloc((st.st_size < 8192) ? 8192 : st.st_size);
if (! iframe)
{
lt_info("%s: malloc failed (%m)\n", __func__);
goto out;
}
read(mfd, iframe, st.st_size);
fop(ioctl, VIDEO_PLAY);
fop(ioctl, VIDEO_CONTINUE);
video_still_picture sp = { iframe, st.st_size };
fop(ioctl, VIDEO_STILLPICTURE, &sp);
ioctl(fd, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY);
ioctl(fd, VIDEO_PLAY);
ioctl(fd, VIDEO_CONTINUE);
ioctl(fd, VIDEO_CLEAR_BUFFER);
while (pos <= (st.st_size-4) && !(seq_end_avail = (!iframe[pos] && !iframe[pos+1] && iframe[pos+2] == 1 && iframe[pos+3] == 0xB7)))
++pos;
if ((iframe[3] >> 4) != 0xE) // no pes header
write(fd, pes_header, sizeof(pes_header));
write(fd, iframe, st.st_size);
if (!seq_end_avail)
write(fd, seq_end, sizeof(seq_end));
memset(iframe, 0, 8192);
write(fd, iframe, 8192);
ioctl(fd, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_DEMUX);
free(iframe);
}
out: