diff options
Diffstat (limited to 'libavformat/grab.c')
| -rw-r--r-- | libavformat/grab.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/libavformat/grab.c b/libavformat/grab.c index 201db86304..c8e2716ca0 100644 --- a/libavformat/grab.c +++ b/libavformat/grab.c @@ -70,7 +70,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) return -1; - + width = ap->width; height = ap->height; frame_rate = ap->time_base.den; @@ -78,7 +78,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) if((unsigned)width > 32767 || (unsigned)height > 32767) return -1; - + st = av_new_stream(s1, 0); if (!st) return -ENOMEM; @@ -97,7 +97,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) perror(video_device); goto fail; } - + if (ioctl(video_fd,VIDIOCGCAP, &s->video_cap) < 0) { perror("VIDIOCGCAP"); goto fail; @@ -115,7 +115,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) desired_palette = VIDEO_PALETTE_YUV422; } else if (st->codec->pix_fmt == PIX_FMT_BGR24) { desired_palette = VIDEO_PALETTE_RGB24; - } + } /* set tv standard */ if (ap->standard && !ioctl(video_fd, VIDIOCGTUNER, &tuner)) { @@ -127,7 +127,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) tuner.mode = VIDEO_MODE_NTSC; ioctl(video_fd, VIDIOCSTUNER, &tuner); } - + /* unmute audio */ audio.audio = 0; ioctl(video_fd, VIDIOCGAUDIO, &audio); @@ -159,7 +159,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) pict.brightness, pict.contrast, pict.whiteness); -#endif +#endif /* try to choose a suitable video format */ pict.palette = desired_palette; if (desired_palette == -1 || (ret = ioctl(video_fd, VIDIOCSPICT, &pict)) < 0) { @@ -171,7 +171,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) if (ret < 0) { pict.palette=VIDEO_PALETTE_RGB24; ret = ioctl(video_fd, VIDIOCSPICT, &pict); - if (ret < 0) + if (ret < 0) goto fail1; } } @@ -184,7 +184,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) s->time_frame = av_gettime() * s->frame_rate / s->frame_rate_base; s->use_mmap = 0; - + /* ATI All In Wonder automatic activation */ if (!strcmp(s->video_cap.name, "Km")) { if (aiw_init(s) < 0) @@ -202,7 +202,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) } s->gb_frame = 0; s->time_frame = av_gettime() * s->frame_rate / s->frame_rate_base; - + /* start to grab the first frame */ s->gb_buf.frame = s->gb_frame % s->gb_buffers.frames; s->gb_buf.height = height; @@ -211,12 +211,12 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) if (desired_palette == -1 || (ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf)) < 0) { s->gb_buf.format = VIDEO_PALETTE_YUV420P; - + ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf); if (ret < 0 && errno != EAGAIN) { /* try YUV422 */ s->gb_buf.format = VIDEO_PALETTE_YUV422; - + ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf); if (ret < 0 && errno != EAGAIN) { /* try RGB24 */ @@ -260,7 +260,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) } 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; @@ -322,7 +322,7 @@ static int grab_read_packet(AVFormatContext *s1, AVPacket *pkt) s->time_frame += int64_t_C(1000000); } break; - } + } ts.tv_sec = delay / 1000000; ts.tv_nsec = (delay % 1000000) * 1000; nanosleep(&ts, NULL); @@ -388,7 +388,7 @@ static int aiw_init(VideoData *s) 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; @@ -609,7 +609,7 @@ static int aiw_init(VideoData *s) 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; + sum=(ptr[27]+ptr[31]+1) >> 1;cr[3]=sum; #define LINE_NOUV_AVG \ sum=(ptr[0]+ptr[2]+1) >> 1;lum[0]=sum; \ @@ -619,7 +619,7 @@ static int aiw_init(VideoData *s) 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; + 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)]); \ |