/*
* Linux video grab interface
- * Copyright (c) 2000,2001 Fabrice Bellard.
+ * Copyright (c) 2000,2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "avformat.h"
-#include "dsputil.h"
+
+#undef __STRICT_ANSI__ //workaround due to broken kernel headers
+#include "config.h"
+#include "libavutil/rational.h"
+#include "libavformat/avformat.h"
+#include "libavcodec/dsputil.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#define _LINUX_TIME_H 1
#include <linux/videodev.h>
#include <time.h>
+#include <strings.h>
typedef struct {
int fd;
int frame_format; /* see VIDEO_PALETTE_xxx */
int use_mmap;
- int width, height;
- int frame_rate;
- int frame_rate_base;
+ AVRational time_base;
int64_t time_frame;
int frame_size;
struct video_capability video_cap;
struct video_audio audio_saved;
+ struct video_window video_win;
uint8_t *video_buf;
struct video_mbuf gb_buffers;
struct video_mmap gb_buf;
int gb_frame;
-
- /* ATI All In Wonder specific stuff */
- /* XXX: remove and merge in libavcodec/imgconvert.c */
- int aiw_enabled;
- int deint;
- int halfw;
- uint8_t *src_mem;
- uint8_t *lum_m4_mem;
} VideoData;
-struct {
+static const struct {
int palette;
int depth;
enum PixelFormat pix_fmt;
};
-static int aiw_init(VideoData *s);
-static int aiw_read_picture(VideoData *s, uint8_t *data);
-static int aiw_close(VideoData *s);
-
static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
{
VideoData *s = s1->priv_data;
AVStream *st;
- int width, height;
- int video_fd, frame_size;
- int ret, frame_rate, frame_rate_base;
+ int video_fd;
int desired_palette, desired_depth;
struct video_tuner tuner;
struct video_audio audio;
struct video_picture pict;
int j;
- int vformat_num = sizeof(video_formats) / sizeof(video_formats[0]);
-
- if (ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
- av_log(s1, AV_LOG_ERROR, "Bad capture size (%dx%d) or wrong time base (%d)\n",
- ap->width, ap->height, ap->time_base.den);
+ int vformat_num = FF_ARRAY_ELEMS(video_formats);
+ if (ap->time_base.den <= 0) {
+ av_log(s1, AV_LOG_ERROR, "Wrong time base (%d)\n", ap->time_base.den);
return -1;
}
+ s->time_base = ap->time_base;
- width = ap->width;
- height = ap->height;
- frame_rate = ap->time_base.den;
- frame_rate_base = ap->time_base.num;
-
- if((unsigned)width > 32767 || (unsigned)height > 32767) {
- av_log(s1, AV_LOG_ERROR, "Capture size is out of range: %dx%d\n",
- width, height);
-
- return -1;
- }
+ s->video_win.width = ap->width;
+ s->video_win.height = ap->height;
st = av_new_stream(s1, 0);
if (!st)
return AVERROR(ENOMEM);
av_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
- s->width = width;
- s->height = height;
- s->frame_rate = frame_rate;
- s->frame_rate_base = frame_rate_base;
-
video_fd = open(s1->filename, O_RDWR);
if (video_fd < 0) {
av_log(s1, AV_LOG_ERROR, "%s: %s\n", s1->filename, strerror(errno));
goto fail;
}
- if (ioctl(video_fd,VIDIOCGCAP, &s->video_cap) < 0) {
+ if (ioctl(video_fd, VIDIOCGCAP, &s->video_cap) < 0) {
av_log(s1, AV_LOG_ERROR, "VIDIOCGCAP: %s\n", strerror(errno));
goto fail;
}
goto fail;
}
+ /* no values set, autodetect them */
+ if (s->video_win.width <= 0 || s->video_win.height <= 0) {
+ if (ioctl(video_fd, VIDIOCGWIN, &s->video_win, sizeof(s->video_win)) < 0) {
+ av_log(s1, AV_LOG_ERROR, "VIDIOCGWIN: %s\n", strerror(errno));
+ goto fail;
+ }
+ }
+
+ if(avcodec_check_dimensions(s1, s->video_win.width, s->video_win.height) < 0)
+ return -1;
+
desired_palette = -1;
desired_depth = -1;
for (j = 0; j < vformat_num; j++) {
/* try to choose a suitable video format */
pict.palette = desired_palette;
pict.depth= desired_depth;
- if (desired_palette == -1 || (ret = ioctl(video_fd, VIDIOCSPICT, &pict)) < 0) {
+ if (desired_palette == -1 || ioctl(video_fd, VIDIOCSPICT, &pict) < 0) {
for (j = 0; j < vformat_num; j++) {
pict.palette = video_formats[j].palette;
pict.depth = video_formats[j].depth;
goto fail1;
}
- ret = ioctl(video_fd,VIDIOCGMBUF,&s->gb_buffers);
- if (ret < 0) {
+ if (ioctl(video_fd, VIDIOCGMBUF, &s->gb_buffers) < 0) {
/* try to use read based access */
- struct video_window win;
int val;
- win.x = 0;
- win.y = 0;
- win.width = width;
- win.height = height;
- win.chromakey = -1;
- win.flags = 0;
+ s->video_win.x = 0;
+ s->video_win.y = 0;
+ s->video_win.chromakey = -1;
+ s->video_win.flags = 0;
- ioctl(video_fd, VIDIOCSWIN, &win);
+ if (ioctl(video_fd, VIDIOCSWIN, s->video_win) < 0) {
+ av_log(s1, AV_LOG_ERROR, "VIDIOCSWIN: %s\n", strerror(errno));
+ goto fail;
+ }
s->frame_format = pict.palette;
val = 1;
- ioctl(video_fd, VIDIOCCAPTURE, &val);
+ if (ioctl(video_fd, VIDIOCCAPTURE, &val) < 0) {
+ av_log(s1, AV_LOG_ERROR, "VIDIOCCAPTURE: %s\n", strerror(errno));
+ goto fail;
+ }
- s->time_frame = av_gettime() * s->frame_rate / s->frame_rate_base;
+ s->time_frame = av_gettime() * s->time_base.den / s->time_base.num;
s->use_mmap = 0;
-
- /* ATI All In Wonder automatic activation */
- if (!strcmp(s->video_cap.name, "Km")) {
- if (aiw_init(s) < 0)
- goto fail;
- s->aiw_enabled = 1;
- /* force 420P format because conversion from YUV422 to YUV420P
- is done in this driver (ugly) */
- s->frame_format = VIDEO_PALETTE_YUV420P;
- }
} else {
- s->video_buf = mmap(0,s->gb_buffers.size,PROT_READ|PROT_WRITE,MAP_SHARED,video_fd,0);
+ s->video_buf = mmap(0, s->gb_buffers.size, PROT_READ|PROT_WRITE, MAP_SHARED, video_fd, 0);
if ((unsigned char*)-1 == s->video_buf) {
- s->video_buf = mmap(0,s->gb_buffers.size,PROT_READ|PROT_WRITE,MAP_PRIVATE,video_fd,0);
+ s->video_buf = mmap(0, s->gb_buffers.size, PROT_READ|PROT_WRITE, MAP_PRIVATE, video_fd, 0);
if ((unsigned char*)-1 == s->video_buf) {
av_log(s1, AV_LOG_ERROR, "mmap: %s\n", strerror(errno));
goto fail;
}
}
s->gb_frame = 0;
- s->time_frame = av_gettime() * s->frame_rate / s->frame_rate_base;
+ s->time_frame = av_gettime() * s->time_base.den / s->time_base.num;
/* start to grab the first frame */
s->gb_buf.frame = s->gb_frame % s->gb_buffers.frames;
- s->gb_buf.height = height;
- s->gb_buf.width = width;
+ s->gb_buf.height = s->video_win.height;
+ s->gb_buf.width = s->video_win.width;
s->gb_buf.format = pict.palette;
- ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf);
- if (ret < 0) {
+ if (ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf) < 0) {
if (errno != EAGAIN) {
fail1:
- av_log(s1, AV_LOG_ERROR, "Fatal: grab device does not support suitable format\n");
+ av_log(s1, AV_LOG_ERROR, "VIDIOCMCAPTURE: %s\n", strerror(errno));
} else {
- av_log(s1, AV_LOG_ERROR,"Fatal: grab device does not receive any video signal\n");
+ av_log(s1, AV_LOG_ERROR, "Fatal: grab device does not receive any video signal\n");
}
goto fail;
}
for (j = 0; j < vformat_num; j++) {
if (s->frame_format == video_formats[j].palette) {
- frame_size = width * height * video_formats[j].depth / 8;
+ s->frame_size = s->video_win.width * s->video_win.height * video_formats[j].depth / 8;
st->codec->pix_fmt = video_formats[j].pix_fmt;
break;
}
goto fail;
s->fd = video_fd;
- s->frame_size = frame_size;
st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_RAWVIDEO;
- st->codec->width = width;
- st->codec->height = height;
- st->codec->time_base.den = frame_rate;
- st->codec->time_base.num = frame_rate_base;
- st->codec->bit_rate = frame_size * 1/av_q2d(st->codec->time_base) * 8;
+ st->codec->width = s->video_win.width;
+ st->codec->height = s->video_win.height;
+ st->codec->time_base = s->time_base;
+ st->codec->bit_rate = s->frame_size * 1/av_q2d(st->codec->time_base) * 8;
return 0;
fail:
if (video_fd >= 0)
close(video_fd);
- av_free(st);
return AVERROR(EIO);
}
/* wait based on the frame rate */
for(;;) {
curtime = av_gettime();
- delay = s->time_frame * s->frame_rate_base / s->frame_rate - curtime;
+ delay = s->time_frame * s->time_base.num / s->time_base.den - curtime;
if (delay <= 0) {
- if (delay < INT64_C(-1000000) * s->frame_rate_base / s->frame_rate) {
+ if (delay < INT64_C(-1000000) * s->time_base.num / s->time_base.den) {
/* printf("grabbing is %d frames late (dropping)\n", (int) -(delay / 16666)); */
s->time_frame += INT64_C(1000000);
}
pkt->pts = curtime;
/* read one frame */
- if (s->aiw_enabled) {
- return aiw_read_picture(s, pkt->data);
- } else if (s->use_mmap) {
+ if (s->use_mmap) {
return v4l_mm_read_picture(s, pkt->data);
} else {
if (read(s->fd, pkt->data, pkt->size) != pkt->size)
{
VideoData *s = s1->priv_data;
- if (s->aiw_enabled)
- aiw_close(s);
-
if (s->use_mmap)
munmap(s->video_buf, s->gb_buffers.size);
AVInputFormat v4l_demuxer = {
"video4linux",
- "video grab",
+ NULL_IF_CONFIG_SMALL("Video4Linux device grab"),
sizeof(VideoData),
NULL,
grab_read_header,
grab_read_close,
.flags = AVFMT_NOFILE,
};
-
-/* All in Wonder specific stuff */
-/* XXX: remove and merge in libavcodec/imgconvert.c */
-
-static int aiw_init(VideoData *s)
-{
- int width, height;
-
- width = s->width;
- height = s->height;
-
- if ((width == s->video_cap.maxwidth && height == s->video_cap.maxheight) ||
- (width == s->video_cap.maxwidth && height == s->video_cap.maxheight*2) ||
- (width == s->video_cap.maxwidth/2 && height == s->video_cap.maxheight)) {
-
- s->deint=0;
- s->halfw=0;
- if (height == s->video_cap.maxheight*2) s->deint=1;
- if (width == s->video_cap.maxwidth/2) s->halfw=1;
- } else {
- av_log(NULL, AV_LOG_ERROR, "\nIncorrect Grab Size Supplied - Supported Sizes Are:\n");
- av_log(NULL, AV_LOG_ERROR, " %dx%d %dx%d %dx%d\n\n",
- s->video_cap.maxwidth,s->video_cap.maxheight,
- s->video_cap.maxwidth,s->video_cap.maxheight*2,
- s->video_cap.maxwidth/2,s->video_cap.maxheight);
- goto fail;
- }
-
- if (s->halfw == 0) {
- s->src_mem = av_malloc(s->width*2);
- } else {
- s->src_mem = av_malloc(s->width*4);
- }
- if (!s->src_mem) goto fail;
-
- s->lum_m4_mem = av_malloc(s->width);
- if (!s->lum_m4_mem)
- goto fail;
- return 0;
- fail:
- av_freep(&s->src_mem);
- av_freep(&s->lum_m4_mem);
- return -1;
-}
-
-#ifdef HAVE_MMX
-#include "i386/mmx.h"
-
-#define LINE_WITH_UV \
- movq_m2r(ptr[0],mm0); \
- movq_m2r(ptr[8],mm1); \
- movq_r2r(mm0, mm4); \
- punpcklbw_r2r(mm1,mm0); \
- punpckhbw_r2r(mm1,mm4); \
- movq_r2r(mm0,mm5); \
- punpcklbw_r2r(mm4,mm0); \
- punpckhbw_r2r(mm4,mm5); \
- movq_r2r(mm0,mm1); \
- punpcklbw_r2r(mm5,mm1); \
- movq_r2m(mm1,lum[0]); \
- movq_m2r(ptr[16],mm2); \
- movq_m2r(ptr[24],mm1); \
- movq_r2r(mm2,mm4); \
- punpcklbw_r2r(mm1,mm2); \
- punpckhbw_r2r(mm1,mm4); \
- movq_r2r(mm2,mm3); \
- punpcklbw_r2r(mm4,mm2); \
- punpckhbw_r2r(mm4,mm3); \
- movq_r2r(mm2,mm1); \
- punpcklbw_r2r(mm3,mm1); \
- movq_r2m(mm1,lum[8]); \
- punpckhdq_r2r(mm2,mm0); \
- punpckhdq_r2r(mm3,mm5); \
- movq_r2m(mm0,cb[0]); \
- movq_r2m(mm5,cr[0]);
-
-#define LINE_NO_UV \
- movq_m2r(ptr[0],mm0);\
- movq_m2r(ptr[8],mm1);\
- movq_r2r(mm0, mm4);\
- punpcklbw_r2r(mm1,mm0); \
- punpckhbw_r2r(mm1,mm4);\
- movq_r2r(mm0,mm5);\
- punpcklbw_r2r(mm4,mm0);\
- punpckhbw_r2r(mm4,mm5);\
- movq_r2r(mm0,mm1);\
- punpcklbw_r2r(mm5,mm1);\
- movq_r2m(mm1,lum[0]);\
- movq_m2r(ptr[16],mm2);\
- movq_m2r(ptr[24],mm1);\
- movq_r2r(mm2,mm4);\
- punpcklbw_r2r(mm1,mm2);\
- punpckhbw_r2r(mm1,mm4);\
- movq_r2r(mm2,mm3);\
- punpcklbw_r2r(mm4,mm2);\
- punpckhbw_r2r(mm4,mm3);\
- movq_r2r(mm2,mm1);\
- punpcklbw_r2r(mm3,mm1);\
- movq_r2m(mm1,lum[8]);
-
-#define LINE_WITHUV_AVG \
- movq_m2r(ptr[0], mm0);\
- movq_m2r(ptr[8], mm1);\
- movq_r2r(mm0, mm4);\
- punpcklbw_r2r(mm1,mm0);\
- punpckhbw_r2r(mm1,mm4);\
- movq_r2r(mm0,mm5);\
- punpcklbw_r2r(mm4,mm0);\
- punpckhbw_r2r(mm4,mm5);\
- movq_r2r(mm0,mm1);\
- movq_r2r(mm5,mm2);\
- punpcklbw_r2r(mm7,mm1);\
- punpcklbw_r2r(mm7,mm2);\
- paddw_r2r(mm6,mm1);\
- paddw_r2r(mm2,mm1);\
- psraw_i2r(1,mm1);\
- packuswb_r2r(mm7,mm1);\
- movd_r2m(mm1,lum[0]);\
- movq_m2r(ptr[16],mm2);\
- movq_m2r(ptr[24],mm1);\
- movq_r2r(mm2,mm4);\
- punpcklbw_r2r(mm1,mm2);\
- punpckhbw_r2r(mm1,mm4);\
- movq_r2r(mm2,mm3);\
- punpcklbw_r2r(mm4,mm2);\
- punpckhbw_r2r(mm4,mm3);\
- movq_r2r(mm2,mm1);\
- movq_r2r(mm3,mm4);\
- punpcklbw_r2r(mm7,mm1);\
- punpcklbw_r2r(mm7,mm4);\
- paddw_r2r(mm6,mm1);\
- paddw_r2r(mm4,mm1);\
- psraw_i2r(1,mm1);\
- packuswb_r2r(mm7,mm1);\
- movd_r2m(mm1,lum[4]);\
- punpckhbw_r2r(mm7,mm0);\
- punpckhbw_r2r(mm7,mm2);\
- paddw_r2r(mm6,mm0);\
- paddw_r2r(mm2,mm0);\
- psraw_i2r(1,mm0);\
- packuswb_r2r(mm7,mm0);\
- punpckhbw_r2r(mm7,mm5);\
- punpckhbw_r2r(mm7,mm3);\
- paddw_r2r(mm6,mm5);\
- paddw_r2r(mm3,mm5);\
- psraw_i2r(1,mm5);\
- packuswb_r2r(mm7,mm5);\
- movd_r2m(mm0,cb[0]);\
- movd_r2m(mm5,cr[0]);
-
-#define LINE_NOUV_AVG \
- movq_m2r(ptr[0],mm0);\
- movq_m2r(ptr[8],mm1);\
- pand_r2r(mm5,mm0);\
- pand_r2r(mm5,mm1);\
- pmaddwd_r2r(mm6,mm0);\
- pmaddwd_r2r(mm6,mm1);\
- packssdw_r2r(mm1,mm0);\
- paddw_r2r(mm6,mm0);\
- psraw_i2r(1,mm0);\
- movq_m2r(ptr[16],mm2);\
- movq_m2r(ptr[24],mm3);\
- pand_r2r(mm5,mm2);\
- pand_r2r(mm5,mm3);\
- pmaddwd_r2r(mm6,mm2);\
- pmaddwd_r2r(mm6,mm3);\
- packssdw_r2r(mm3,mm2);\
- paddw_r2r(mm6,mm2);\
- psraw_i2r(1,mm2);\
- packuswb_r2r(mm2,mm0);\
- movq_r2m(mm0,lum[0]);
-
-#define DEINT_LINE_LUM(ptroff) \
- movd_m2r(lum_m4[(ptroff)],mm0);\
- movd_m2r(lum_m3[(ptroff)],mm1);\
- movd_m2r(lum_m2[(ptroff)],mm2);\
- movd_m2r(lum_m1[(ptroff)],mm3);\
- movd_m2r(lum[(ptroff)],mm4);\
- punpcklbw_r2r(mm7,mm0);\
- movd_r2m(mm2,lum_m4[(ptroff)]);\
- punpcklbw_r2r(mm7,mm1);\
- punpcklbw_r2r(mm7,mm2);\
- punpcklbw_r2r(mm7,mm3);\
- punpcklbw_r2r(mm7,mm4);\
- psllw_i2r(2,mm1);\
- psllw_i2r(1,mm2);\
- paddw_r2r(mm6,mm1);\
- psllw_i2r(2,mm3);\
- paddw_r2r(mm2,mm1);\
- paddw_r2r(mm4,mm0);\
- paddw_r2r(mm3,mm1);\
- psubusw_r2r(mm0,mm1);\
- psrlw_i2r(3,mm1);\
- packuswb_r2r(mm7,mm1);\
- movd_r2m(mm1,lum_m2[(ptroff)]);
-
-#else
-#include "dsputil.h"
-
-#define LINE_WITH_UV \
- lum[0]=ptr[0];lum[1]=ptr[2];lum[2]=ptr[4];lum[3]=ptr[6];\
- cb[0]=ptr[1];cb[1]=ptr[5];\
- cr[0]=ptr[3];cr[1]=ptr[7];\
- lum[4]=ptr[8];lum[5]=ptr[10];lum[6]=ptr[12];lum[7]=ptr[14];\
- cb[2]=ptr[9];cb[3]=ptr[13];\
- cr[2]=ptr[11];cr[3]=ptr[15];\
- lum[8]=ptr[16];lum[9]=ptr[18];lum[10]=ptr[20];lum[11]=ptr[22];\
- cb[4]=ptr[17];cb[5]=ptr[21];\
- cr[4]=ptr[19];cr[5]=ptr[23];\
- lum[12]=ptr[24];lum[13]=ptr[26];lum[14]=ptr[28];lum[15]=ptr[30];\
- cb[6]=ptr[25];cb[7]=ptr[29];\
- cr[6]=ptr[27];cr[7]=ptr[31];
-
-#define LINE_NO_UV \
- lum[0]=ptr[0];lum[1]=ptr[2];lum[2]=ptr[4];lum[3]=ptr[6];\
- lum[4]=ptr[8];lum[5]=ptr[10];lum[6]=ptr[12];lum[7]=ptr[14];\
- lum[8]=ptr[16];lum[9]=ptr[18];lum[10]=ptr[20];lum[11]=ptr[22];\
- lum[12]=ptr[24];lum[13]=ptr[26];lum[14]=ptr[28];lum[15]=ptr[30];
-
-#define LINE_WITHUV_AVG \
- sum=(ptr[0]+ptr[2]+1) >> 1;lum[0]=sum; \
- sum=(ptr[4]+ptr[6]+1) >> 1;lum[1]=sum; \
- sum=(ptr[1]+ptr[5]+1) >> 1;cb[0]=sum; \
- sum=(ptr[3]+ptr[7]+1) >> 1;cr[0]=sum; \
- sum=(ptr[8]+ptr[10]+1) >> 1;lum[2]=sum; \
- sum=(ptr[12]+ptr[14]+1) >> 1;lum[3]=sum; \
- sum=(ptr[9]+ptr[13]+1) >> 1;cb[1]=sum; \
- sum=(ptr[11]+ptr[15]+1) >> 1;cr[1]=sum; \
- sum=(ptr[16]+ptr[18]+1) >> 1;lum[4]=sum; \
- sum=(ptr[20]+ptr[22]+1) >> 1;lum[5]=sum; \
- sum=(ptr[17]+ptr[21]+1) >> 1;cb[2]=sum; \
- sum=(ptr[19]+ptr[23]+1) >> 1;cr[2]=sum; \
- sum=(ptr[24]+ptr[26]+1) >> 1;lum[6]=sum; \
- sum=(ptr[28]+ptr[30]+1) >> 1;lum[7]=sum; \
- sum=(ptr[25]+ptr[29]+1) >> 1;cb[3]=sum; \
- sum=(ptr[27]+ptr[31]+1) >> 1;cr[3]=sum;
-
-#define LINE_NOUV_AVG \
- sum=(ptr[0]+ptr[2]+1) >> 1;lum[0]=sum; \
- sum=(ptr[4]+ptr[6]+1) >> 1;lum[1]=sum; \
- sum=(ptr[8]+ptr[10]+1) >> 1;lum[2]=sum; \
- sum=(ptr[12]+ptr[14]+1) >> 1;lum[3]=sum; \
- sum=(ptr[16]+ptr[18]+1) >> 1;lum[4]=sum; \
- sum=(ptr[20]+ptr[22]+1) >> 1;lum[5]=sum; \
- sum=(ptr[24]+ptr[26]+1) >> 1;lum[6]=sum; \
- sum=(ptr[28]+ptr[30]+1) >> 1;lum[7]=sum;
-
-#define DEINT_LINE_LUM(ptroff) \
- sum=(-lum_m4[(ptroff)]+(lum_m3[(ptroff)]<<2)+(lum_m2[(ptroff)]<<1)+(lum_m1[(ptroff)]<<2)-lum[(ptroff)]); \
- lum_m4[(ptroff)]=lum_m2[(ptroff)];\
- lum_m2[(ptroff)]=cm[(sum+4)>>3];\
- sum=(-lum_m4[(ptroff)+1]+(lum_m3[(ptroff)+1]<<2)+(lum_m2[(ptroff)+1]<<1)+(lum_m1[(ptroff)+1]<<2)-lum[(ptroff)+1]); \
- lum_m4[(ptroff)+1]=lum_m2[(ptroff)+1];\
- lum_m2[(ptroff)+1]=cm[(sum+4)>>3];\
- sum=(-lum_m4[(ptroff)+2]+(lum_m3[(ptroff)+2]<<2)+(lum_m2[(ptroff)+2]<<1)+(lum_m1[(ptroff)+2]<<2)-lum[(ptroff)+2]); \
- lum_m4[(ptroff)+2]=lum_m2[(ptroff)+2];\
- lum_m2[(ptroff)+2]=cm[(sum+4)>>3];\
- sum=(-lum_m4[(ptroff)+3]+(lum_m3[(ptroff)+3]<<2)+(lum_m2[(ptroff)+3]<<1)+(lum_m1[(ptroff)+3]<<2)-lum[(ptroff)+3]); \
- lum_m4[(ptroff)+3]=lum_m2[(ptroff)+3];\
- lum_m2[(ptroff)+3]=cm[(sum+4)>>3];
-
-#endif
-
-
-/* Read two fields separately. */
-static int aiw_read_picture(VideoData *s, uint8_t *data)
-{
- uint8_t *ptr, *lum, *cb, *cr;
- int h;
-#ifndef HAVE_MMX
- int sum;
-#endif
- uint8_t* src = s->src_mem;
- uint8_t *ptrend = &src[s->width*2];
- lum=data;
- cb=&lum[s->width*s->height];
- cr=&cb[(s->width*s->height)/4];
- if (s->deint == 0 && s->halfw == 0) {
- while (read(s->fd,src,s->width*2) < 0) {
- usleep(100);
- }
- for (h = 0; h < s->height-2; h+=2) {
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) {
- LINE_WITH_UV
- }
- read(s->fd,src,s->width*2);
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16) {
- LINE_NO_UV
- }
- read(s->fd,src,s->width*2);
- }
- /*
- * Do last two lines
- */
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) {
- LINE_WITH_UV
- }
- read(s->fd,src,s->width*2);
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16) {
- LINE_NO_UV
- }
- /* drop second field */
- while (read(s->fd,src,s->width*2) < 0) {
- usleep(100);
- }
- for (h = 0; h < s->height - 1; h++) {
- read(s->fd,src,s->width*2);
- }
- } else if (s->halfw == 1) {
-#ifdef HAVE_MMX
- mmx_t rounder;
- mmx_t masker;
- rounder.uw[0]=1;
- rounder.uw[1]=1;
- rounder.uw[2]=1;
- rounder.uw[3]=1;
- masker.ub[0]=0xff;
- masker.ub[1]=0;
- masker.ub[2]=0xff;
- masker.ub[3]=0;
- masker.ub[4]=0xff;
- masker.ub[5]=0;
- masker.ub[6]=0xff;
- masker.ub[7]=0;
- pxor_r2r(mm7,mm7);
- movq_m2r(rounder,mm6);
-#endif
- while (read(s->fd,src,s->width*4) < 0) {
- usleep(100);
- }
- ptrend = &src[s->width*4];
- for (h = 0; h < s->height-2; h+=2) {
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8, cb+=4, cr+=4) {
- LINE_WITHUV_AVG
- }
- read(s->fd,src,s->width*4);
-#ifdef HAVE_MMX
- movq_m2r(masker,mm5);
-#endif
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8) {
- LINE_NOUV_AVG
- }
- read(s->fd,src,s->width*4);
- }
- /*
- * Do last two lines
- */
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8, cb+=4, cr+=4) {
- LINE_WITHUV_AVG
- }
- read(s->fd,src,s->width*4);
-#ifdef HAVE_MMX
- movq_m2r(masker,mm5);
-#endif
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8) {
- LINE_NOUV_AVG
- }
- /* drop second field */
- while (read(s->fd,src,s->width*4) < 0) {
- usleep(100);
- }
- for (h = 0; h < s->height - 1; h++) {
- read(s->fd,src,s->width*4);
- }
- } else {
- uint8_t *lum_m1, *lum_m2, *lum_m3, *lum_m4;
-#ifdef HAVE_MMX
- mmx_t rounder;
- rounder.uw[0]=4;
- rounder.uw[1]=4;
- rounder.uw[2]=4;
- rounder.uw[3]=4;
- movq_m2r(rounder,mm6);
- pxor_r2r(mm7,mm7);
-#else
- uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-#endif
-
- /* read two fields and deinterlace them */
- while (read(s->fd,src,s->width*2) < 0) {
- usleep(100);
- }
- for (h = 0; h < (s->height/2)-2; h+=2) {
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) {
- LINE_WITH_UV
- }
- read(s->fd,src,s->width*2);
- /* skip a luminance line - will be filled in later */
- lum += s->width;
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) {
- LINE_WITH_UV
- }
- /* skip a luminance line - will be filled in later */
- lum += s->width;
- read(s->fd,src,s->width*2);
- }
- /*
- * Do last two lines
- */
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) {
- LINE_WITH_UV
- }
- /* skip a luminance line - will be filled in later */
- lum += s->width;
- read(s->fd,src,s->width*2);
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) {
- LINE_WITH_UV
- }
- /*
- *
- * SECOND FIELD
- *
- */
- lum=&data[s->width];
- while (read(s->fd,src,s->width*2) < 0) {
- usleep(10);
- }
- /* First (and last) two lines not interlaced */
- for (h = 0; h < 2; h++) {
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16) {
- LINE_NO_UV
- }
- read(s->fd,src,s->width*2);
- /* skip a luminance line */
- lum += s->width;
- }
- lum_m1=&lum[-s->width];
- lum_m2=&lum_m1[-s->width];
- lum_m3=&lum_m2[-s->width];
- memmove(s->lum_m4_mem,&lum_m3[-s->width],s->width);
- for (; h < (s->height/2)-1; h++) {
- lum_m4=s->lum_m4_mem;
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16,lum_m1+=16,lum_m2+=16,lum_m3+=16,lum_m4+=16) {
- LINE_NO_UV
-
- DEINT_LINE_LUM(0)
- DEINT_LINE_LUM(4)
- DEINT_LINE_LUM(8)
- DEINT_LINE_LUM(12)
- }
- read(s->fd,src,s->width*2);
- /* skip a luminance line */
- lum += s->width;
- lum_m1 += s->width;
- lum_m2 += s->width;
- lum_m3 += s->width;
- // lum_m4 += s->width;
- }
- /*
- * Do last line
- */
- lum_m4=s->lum_m4_mem;
- for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, lum_m1+=16, lum_m2+=16, lum_m3+=16, lum_m4+=16) {
- LINE_NO_UV
-
- DEINT_LINE_LUM(0)
- DEINT_LINE_LUM(4)
- DEINT_LINE_LUM(8)
- DEINT_LINE_LUM(12)
- }
- }
- emms_c();
- return s->frame_size;
-}
-
-static int aiw_close(VideoData *s)
-{
- av_freep(&s->lum_m4_mem);
- av_freep(&s->src_mem);
- return 0;
-}
projects / ffmpeg / blobdiff