void *avi_converter_from_mjpeg(AviMovie *movie, int stream, unsigned char *buffer, size_t *size)
{
int deint;
unsigned char *buf;
(void)stream; /* unused */
buf = imb_alloc_pixels(movie->header->Height, movie->header->Width, 3, sizeof(unsigned char), "avi.avi_converter_from_mjpeg 1");
if (!buf) {
return NULL;
}
deint = Decode_JPEG(buffer, buf, movie->header->Width, movie->header->Height, *size);
MEM_freeN(buffer);
if (deint) {
buffer = imb_alloc_pixels(movie->header->Height, movie->header->Width, 3, sizeof(unsigned char), "avi.avi_converter_from_mjpeg 2");
if (buffer) {
interlace(buffer, buf, movie->header->Width, movie->header->Height);
}
MEM_freeN(buf);
buf = buffer;
}
return buf;
}
/*
This filter darkens even scanlines at 75%, 50%, 25% or 0% of their
original intensity.
Author: Raphael Assenat
*/
int Apply(int mode, SDL_v4l_image *image)
{
int len=image->len;
int i;
if (mode == 0) return 0;
if (status==1) { Apply_3_4(mode, image); }
if (status==2) { Apply_1_2(mode, image); }
if (status==3) { Apply_1_4(mode, image); }
if (status==4) { Apply_0(mode, image); }
if (status==5) { interlace(mode, image); }
return 0;
}
int main()
{
_LLNode *Head = makeNode(1);
int i = 0;
for(i=2; i<5; i++) insert(&Head,i);
Head = reverse(Head);
print(Head);
_LLNode *p2 = cutInHalf(Head);
p2 = reverse(p2);
print(Head); print(p2);
interlace(Head,&p2);
print(Head);
print(p2);
LLFree(Head);
LLFree(p2);
return 1;
}
void *avi_converter_from_mjpeg (AviMovie *movie, int stream, unsigned char *buffer, int *size) {
int deint;
unsigned char *buf;
buf= MEM_mallocN (movie->header->Height * movie->header->Width * 3, "avi.avi_converter_from_mjpeg 1");
deint= check_and_decode_jpeg(buffer, buf, movie->header->Width, movie->header->Height, *size);
MEM_freeN(buffer);
if (deint) {
buffer = MEM_mallocN (movie->header->Height * movie->header->Width * 3, "avi.avi_converter_from_mjpeg 2");
interlace (buffer, buf, movie->header->Width, movie->header->Height);
MEM_freeN (buf);
buf= buffer;
}
return buf;
}
void ysSource::parse_keyword(char *optarg)
{
if (!strncasecmp(optarg, "ACTIVE=", 7)) {
if (_active_region.parse_geometry(optarg+7)) {
mjpeg_error_exit1("Bad ACTIVE keyword: '%s'", optarg);
}
} else if (!strncasecmp(optarg, "MATTE=", 6)) {
if (_matte_region.parse_geometry(optarg+6)) {
mjpeg_error_exit1("Bad MATTE keyword: '%s'", optarg);
}
} else if (!strncasecmp(optarg, "BG=", 3)) {
bgcolor(ysYCbCr::parse_string(optarg+3));
} else if (!strcasecmp(optarg, "NORM=NTSC")) {
norm(NORM_NTSC);
} else if (!strcasecmp(optarg, "NORM=PAL")) {
norm(NORM_PAL);
} else if (!strcasecmp(optarg, "NORM=SECAM")) {
norm(NORM_PAL);
} else if (!strncasecmp(optarg, "CHROMASS=", 9)) {
// if (_stream.subsampling().parse_mode(optarg+9)) {
if (_stream.subsampling().is_known()) {
mjpeg_warn("Overriding source's chroma subsampling mode!");
// Was %s",
// _stream.subsampling().mode_to_string());
}
if (_stream.parse_subsampling(optarg+9)) {
mjpeg_error_exit1("Bad chroma subsampling spec: '%s'", optarg);
}
} else if (!strncasecmp(optarg, "ILACE=", 6)) {
if (!strcasecmp(optarg+6, "TOP_FIRST")) {
interlace(Y4M_ILACE_TOP_FIRST);
} else if (!strcasecmp(optarg+6, "BOTTOM_FIRST")) {
interlace(Y4M_ILACE_BOTTOM_FIRST);
} else if (!strcasecmp(optarg+6, "NONE")) {
interlace(Y4M_ILACE_NONE);
} else if (!strcasecmp(optarg+6, "TOP_ONLY")) {
fake_progressive(FAKE_TOP_ONLY);
} else if (!strcasecmp(optarg+6, "BOTTOM_ONLY")) {
fake_progressive(FAKE_BOT_ONLY);
} else {
mjpeg_error_exit1("Bad interlace spec: '%s'", optarg);
}
} else if (!strncasecmp(optarg, "SAR=", 4)) {
ysRatio sar;
if (!strcasecmp(optarg+4, "NTSC")) {
sar = y4m_sar_NTSC_CCIR601;
} else if (!strcasecmp(optarg+4, "PAL")) {
sar = y4m_sar_PAL_CCIR601;
} else if (!strcasecmp(optarg+4, "NTSC_WIDE")) {
sar = y4m_sar_NTSC_16_9;
} else if (!strcasecmp(optarg+4, "PAL_WIDE")) {
sar = y4m_sar_PAL_16_9;
} else if (sar.parse_ratio(optarg+4)) {
mjpeg_error_exit1("Bad ratio spec: '%s'", optarg);
}
_stream.sar(sar);
} else
mjpeg_error_exit1 ("Unrecognized input parameter: '%s'", optarg);
}
