mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 12:09:55 +00:00
factorized All In Wonder code (not tested) - Added AIW auto detect (not tested) - mute audio when leaving (maybe an option would be needed ?) - removed all global state
Originally committed as revision 1228 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard
parent
5940262772
commit
8949367ea5
651
libav/grab.c
651
libav/grab.c
@ -33,19 +33,28 @@ typedef struct {
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int frame_rate;
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INT64 time_frame;
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int frame_size;
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struct video_capability video_cap;
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struct video_audio audio_saved;
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UINT8 *video_buf;
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struct video_mbuf gb_buffers;
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struct video_mmap gb_buf;
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int gb_frame;
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/* ATI All In Wonder specific stuff */
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/* XXX: remove and merge in libavcodec/imgconvert.c */
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int aiw_enabled;
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int deint;
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int halfw;
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UINT8 *src_mem;
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UINT8 *lum_m4_mem;
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} VideoData;
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static int aiw_init(VideoData *s);
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static int aiw_read_picture(VideoData *s, uint8_t *data);
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static int aiw_close(VideoData *s);
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const char *v4l_device = "/dev/video";
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/* XXX: move all that to the context */
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static struct video_capability video_cap;
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static UINT8 *video_buf;
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static struct video_mbuf gb_buffers;
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static struct video_mmap gb_buf;
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static struct video_audio audio, audio_saved;
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static int gb_frame = 0;
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static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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{
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VideoData *s = s1->priv_data;
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@ -54,6 +63,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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int video_fd, frame_size;
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int ret, frame_rate;
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int desired_palette;
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struct video_audio audio;
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if (!ap || ap->width <= 0 || ap->height <= 0 || ap->frame_rate <= 0)
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return -1;
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@ -76,12 +86,12 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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goto fail;
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}
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if (ioctl(video_fd,VIDIOCGCAP,&video_cap) < 0) {
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if (ioctl(video_fd,VIDIOCGCAP, &s->video_cap) < 0) {
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perror("VIDIOCGCAP");
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goto fail;
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}
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if (!(video_cap.type & VID_TYPE_CAPTURE)) {
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if (!(s->video_cap.type & VID_TYPE_CAPTURE)) {
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fprintf(stderr, "Fatal: grab device does not handle capture\n");
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goto fail;
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}
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@ -96,12 +106,13 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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}
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/* unmute audio */
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audio.audio = 0;
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ioctl(video_fd, VIDIOCGAUDIO, &audio);
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memcpy(&audio_saved, &audio, sizeof(audio));
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memcpy(&s->audio_saved, &audio, sizeof(audio));
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audio.flags &= ~VIDEO_AUDIO_MUTE;
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ioctl(video_fd, VIDIOCSAUDIO, &audio);
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ret = ioctl(video_fd,VIDIOCGMBUF,&gb_buffers);
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ret = ioctl(video_fd,VIDIOCGMBUF,&s->gb_buffers);
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if (ret < 0) {
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/* try to use read based access */
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struct video_window win;
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@ -150,34 +161,44 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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s->time_frame = av_gettime();
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s->use_mmap = 0;
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/* ATI All In Wonder automatic activation */
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if (!strcmp(s->video_cap.name, "Km")) {
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if (aiw_init(s) < 0)
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goto fail;
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s->aiw_enabled = 1;
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/* force 420P format because convertion from YUV422 to YUV420P
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is done in this driver (ugly) */
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s->frame_format = VIDEO_PALETTE_YUV420P;
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}
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} else {
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video_buf = mmap(0,gb_buffers.size,PROT_READ|PROT_WRITE,MAP_SHARED,video_fd,0);
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if ((unsigned char*)-1 == video_buf) {
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s->video_buf = mmap(0,s->gb_buffers.size,PROT_READ|PROT_WRITE,MAP_SHARED,video_fd,0);
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if ((unsigned char*)-1 == s->video_buf) {
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perror("mmap");
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goto fail;
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}
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gb_frame = 0;
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s->gb_frame = 0;
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s->time_frame = av_gettime();
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/* start to grab the first frame */
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gb_buf.frame = gb_frame % gb_buffers.frames;
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gb_buf.height = height;
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gb_buf.width = width;
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gb_buf.format = desired_palette;
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s->gb_buf.frame = s->gb_frame % s->gb_buffers.frames;
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s->gb_buf.height = height;
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s->gb_buf.width = width;
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s->gb_buf.format = desired_palette;
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if (desired_palette == -1 || (ret = ioctl(video_fd, VIDIOCMCAPTURE, &gb_buf)) < 0) {
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gb_buf.format = VIDEO_PALETTE_YUV420P;
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if (desired_palette == -1 || (ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf)) < 0) {
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s->gb_buf.format = VIDEO_PALETTE_YUV420P;
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ret = ioctl(video_fd, VIDIOCMCAPTURE, &gb_buf);
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ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf);
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if (ret < 0 && errno != EAGAIN) {
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/* try YUV422 */
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gb_buf.format = VIDEO_PALETTE_YUV422;
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s->gb_buf.format = VIDEO_PALETTE_YUV422;
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ret = ioctl(video_fd, VIDIOCMCAPTURE, &gb_buf);
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ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf);
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if (ret < 0 && errno != EAGAIN) {
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/* try RGB24 */
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gb_buf.format = VIDEO_PALETTE_RGB24;
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ret = ioctl(video_fd, VIDIOCMCAPTURE, &gb_buf);
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s->gb_buf.format = VIDEO_PALETTE_RGB24;
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ret = ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf);
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}
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}
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}
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@ -190,7 +211,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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}
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goto fail;
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}
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s->frame_format = gb_buf.format;
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s->frame_format = s->gb_buf.format;
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s->use_mmap = 1;
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}
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@ -232,8 +253,8 @@ static int v4l_mm_read_picture(VideoData *s, UINT8 *buf)
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UINT8 *ptr;
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/* Setup to capture the next frame */
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gb_buf.frame = (gb_frame + 1) % gb_buffers.frames;
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if (ioctl(s->fd, VIDIOCMCAPTURE, &gb_buf) < 0) {
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s->gb_buf.frame = (s->gb_frame + 1) % s->gb_buffers.frames;
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if (ioctl(s->fd, VIDIOCMCAPTURE, &s->gb_buf) < 0) {
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if (errno == EAGAIN)
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fprintf(stderr,"Cannot Sync\n");
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else
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@ -241,14 +262,14 @@ static int v4l_mm_read_picture(VideoData *s, UINT8 *buf)
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return -EIO;
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}
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while (ioctl(s->fd, VIDIOCSYNC, &gb_frame) < 0 &&
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while (ioctl(s->fd, VIDIOCSYNC, &s->gb_frame) < 0 &&
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(errno == EAGAIN || errno == EINTR));
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ptr = video_buf + gb_buffers.offsets[gb_frame];
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ptr = s->video_buf + s->gb_buffers.offsets[s->gb_frame];
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memcpy(buf, ptr, s->frame_size);
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/* This is now the grabbing frame */
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gb_frame = gb_buf.frame;
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s->gb_frame = s->gb_buf.frame;
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return s->frame_size;
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}
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@ -289,7 +310,9 @@ static int grab_read_packet(AVFormatContext *s1, AVPacket *pkt)
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pkt->flags |= PKT_FLAG_DROPPED_FRAME;
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/* read one frame */
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if (s->use_mmap) {
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if (s->aiw_enabled) {
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return aiw_read_picture(s, pkt->data);
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} else if (s->use_mmap) {
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return v4l_mm_read_picture(s, pkt->data);
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} else {
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if (read(s->fd, pkt->data, pkt->size) != pkt->size)
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@ -302,11 +325,16 @@ static int grab_read_close(AVFormatContext *s1)
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{
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VideoData *s = s1->priv_data;
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if (s->use_mmap)
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munmap(video_buf, gb_buffers.size);
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if (s->aiw_enabled)
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aiw_close(s);
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/* restore audio settings */
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ioctl(s->fd, VIDIOCSAUDIO, &audio_saved);
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if (s->use_mmap)
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munmap(s->video_buf, s->gb_buffers.size);
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/* mute audio. we must force it because the BTTV driver does not
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return its state correctly */
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s->audio_saved.flags |= VIDEO_AUDIO_MUTE;
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ioctl(s->fd, VIDIOCSAUDIO, &s->audio_saved);
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close(s->fd);
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return 0;
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@ -323,151 +351,33 @@ static AVInputFormat video_grab_device_format = {
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.flags = AVFMT_NOFILE,
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};
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/*
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* Done below so we can register the aiw grabber
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* /
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int video_grab_init(void)
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/* All in Wonder specific stuff */
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/* XXX: remove and merge in libavcodec/imgconvert.c */
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static int aiw_init(VideoData *s)
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{
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av_register_input_format(&video_grab_device_format);
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return 0;
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}
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*/
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typedef struct {
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int fd;
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int frame_format; /* see VIDEO_PALETTE_xxx */
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int width, height;
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int frame_rate;
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INT64 time_frame;
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int frame_size;
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int deint;
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int halfw;
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UINT8 *src_mem;
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UINT8 *lum_m4_mem;
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} AIWVideoData;
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static int aiw_grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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{
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AIWVideoData *s = s1->priv_data;
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AVStream *st;
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int width, height;
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int video_fd, frame_size;
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int ret, frame_rate;
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int desired_palette;
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width = s->width;
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height = s->height;
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if (!ap || ap->width <= 0 || ap->height <= 0 || ap->frame_rate <= 0)
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return -1;
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width = ap->width;
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height = ap->height;
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frame_rate = ap->frame_rate;
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st = av_new_stream(s1, 0);
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if (!st)
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return -ENOMEM;
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s->width = width;
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s->height = height;
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s->frame_rate = frame_rate;
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video_fd = open(v4l_device, O_RDONLY | O_NONBLOCK);
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if (video_fd < 0) {
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perror(v4l_device);
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goto fail;
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}
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if (ioctl(video_fd,VIDIOCGCAP,&video_cap) < 0) {
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perror("VIDIOCGCAP");
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goto fail;
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}
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if (!(video_cap.type & VID_TYPE_CAPTURE)) {
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fprintf(stderr, "Fatal: grab device does not handle capture\n");
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goto fail;
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}
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desired_palette = -1;
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if (st->codec.pix_fmt == PIX_FMT_YUV420P) {
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desired_palette = VIDEO_PALETTE_YUV420P;
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} else if (st->codec.pix_fmt == PIX_FMT_YUV422) {
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desired_palette = VIDEO_PALETTE_YUV422;
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} else if (st->codec.pix_fmt == PIX_FMT_BGR24) {
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desired_palette = VIDEO_PALETTE_RGB24;
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}
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/* unmute audio */
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ret = ioctl(video_fd,VIDIOCGMBUF,&gb_buffers);
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if (ret < 0) {
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/* try to use read based access */
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struct video_window win;
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struct video_picture pict;
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int val;
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win.x = 0;
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win.y = 0;
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win.width = width;
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win.height = height;
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win.chromakey = -1;
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win.flags = 0;
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ioctl(video_fd, VIDIOCSWIN, &win);
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ioctl(video_fd, VIDIOCGPICT, &pict);
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#if 0
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printf("v4l: colour=%d hue=%d brightness=%d constrast=%d whiteness=%d\n",
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pict.colour,
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pict.hue,
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pict.brightness,
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pict.contrast,
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pict.whiteness);
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#endif
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/* try to choose a suitable video format */
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pict.palette=VIDEO_PALETTE_YUV422;
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ret = ioctl(video_fd, VIDIOCSPICT, &pict);
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if (ret < 0) {
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fprintf(stderr,"Could Not Find YUY2 capture window.\n");
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goto fail;
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}
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if ((width == video_cap.maxwidth && height == video_cap.maxheight) ||
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(width == video_cap.maxwidth && height == video_cap.maxheight*2) ||
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(width == video_cap.maxwidth/2 && height == video_cap.maxheight)) {
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s->deint=0;
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s->halfw=0;
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if (height == video_cap.maxheight*2) s->deint=1;
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if (width == video_cap.maxwidth/2) s->halfw=1;
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} else {
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fprintf(stderr,"\nIncorrect Grab Size Supplied - Supported Sizes Are:\n");
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fprintf(stderr," %dx%d %dx%d %dx%d\n\n",
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video_cap.maxwidth,video_cap.maxheight,
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video_cap.maxwidth,video_cap.maxheight*2,
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video_cap.maxwidth/2,video_cap.maxheight);
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goto fail;
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}
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s->frame_format = pict.palette;
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val = 1;
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ioctl(video_fd, VIDIOCCAPTURE, &val);
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s->time_frame = av_gettime();
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if ((width == s->video_cap.maxwidth && height == s->video_cap.maxheight) ||
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(width == s->video_cap.maxwidth && height == s->video_cap.maxheight*2) ||
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(width == s->video_cap.maxwidth/2 && height == s->video_cap.maxheight)) {
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s->deint=0;
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s->halfw=0;
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if (height == s->video_cap.maxheight*2) s->deint=1;
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if (width == s->video_cap.maxwidth/2) s->halfw=1;
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} else {
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fprintf(stderr,"mmap-based capture will not work with this grab.\n");
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fprintf(stderr,"\nIncorrect Grab Size Supplied - Supported Sizes Are:\n");
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fprintf(stderr," %dx%d %dx%d %dx%d\n\n",
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s->video_cap.maxwidth,s->video_cap.maxheight,
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s->video_cap.maxwidth,s->video_cap.maxheight*2,
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s->video_cap.maxwidth/2,s->video_cap.maxheight);
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goto fail;
|
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}
|
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frame_size = (width * height * 3) / 2;
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st->codec.pix_fmt = PIX_FMT_YUV420P;
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s->fd = video_fd;
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s->frame_size = frame_size;
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st->codec.codec_type = CODEC_TYPE_VIDEO;
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st->codec.codec_id = CODEC_ID_RAWVIDEO;
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st->codec.width = width;
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st->codec.height = height;
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st->codec.frame_rate = frame_rate;
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if (s->halfw == 0) {
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s->src_mem = av_malloc(s->width*2);
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} else {
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@ -476,23 +386,15 @@ static int aiw_grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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if (!s->src_mem) goto fail;
|
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s->lum_m4_mem = av_malloc(s->width);
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if (!s->lum_m4_mem) {
|
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av_free(s->src_mem);
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if (!s->lum_m4_mem)
|
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goto fail;
|
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}
|
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|
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return 0;
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fail:
|
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if (video_fd >= 0)
|
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close(video_fd);
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av_free(st);
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return -EIO;
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av_freep(&s->src_mem);
|
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av_freep(&s->lum_m4_mem);
|
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return -1;
|
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}
|
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|
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//#ifdef HAVE_MMX
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//#undef HAVE_MMX
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//#endif
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|
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#ifdef HAVE_MMX
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#include "../libavcodec/i386/mmx.h"
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|
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@ -712,269 +614,218 @@ static int aiw_grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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#endif
|
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|
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|
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static int aiw_grab_read_packet(AVFormatContext *s1, AVPacket *pkt)
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/* Read two fields separately. */
|
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static int aiw_read_picture(VideoData *s, uint8_t *data)
|
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{
|
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AIWVideoData *s = s1->priv_data;
|
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INT64 curtime, delay;
|
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struct timespec ts;
|
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int first;
|
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INT64 per_frame = (INT64_C(1000000) * FRAME_RATE_BASE) / s->frame_rate;
|
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int dropped = 0;
|
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|
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/* Calculate the time of the next frame */
|
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s->time_frame += per_frame;
|
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|
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/* wait based on the frame rate */
|
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for(first = 1;; first = 0) {
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curtime = av_gettime();
|
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delay = s->time_frame - curtime;
|
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if (delay <= 0) {
|
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if (delay < -per_frame) {
|
||||
/* printf("grabbing is %d frames late (dropping)\n", (int) -(delay / 16666)); */
|
||||
dropped = 1;
|
||||
s->time_frame += per_frame;
|
||||
}
|
||||
break;
|
||||
}
|
||||
ts.tv_sec = delay / 1000000;
|
||||
ts.tv_nsec = (delay % 1000000) * 1000;
|
||||
nanosleep(&ts, NULL);
|
||||
}
|
||||
|
||||
if (av_new_packet(pkt, s->frame_size) < 0)
|
||||
return -EIO;
|
||||
|
||||
if (dropped)
|
||||
pkt->flags |= PKT_FLAG_DROPPED_FRAME;
|
||||
|
||||
/* read fields */
|
||||
{
|
||||
UINT8 *ptr, *lum, *cb, *cr;
|
||||
int h;
|
||||
UINT8 *ptr, *lum, *cb, *cr;
|
||||
int h;
|
||||
#ifndef HAVE_MMX
|
||||
int sum;
|
||||
int sum;
|
||||
#endif
|
||||
UINT8* src = s->src_mem;
|
||||
UINT8 *ptrend = &src[s->width*2];
|
||||
lum=&pkt->data[0];
|
||||
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
|
||||
*/
|
||||
UINT8* src = s->src_mem;
|
||||
UINT8 *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
|
||||
}
|
||||
/* 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*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*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*2);
|
||||
for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16) {
|
||||
LINE_NO_UV
|
||||
}
|
||||
read(s->fd,src,s->width*4);
|
||||
}
|
||||
/*
|
||||
* Do last two lines
|
||||
*/
|
||||
/* 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
|
||||
}
|
||||
/* 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 *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 *cm = 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);
|
||||
}
|
||||
/*
|
||||
}
|
||||
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 *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 *cm = 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
|
||||
}
|
||||
/* skip a luminance line - will be filled in later */
|
||||
}
|
||||
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);
|
||||
for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) {
|
||||
LINE_WITH_UV
|
||||
}
|
||||
/*
|
||||
}
|
||||
/*
|
||||
* 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=&pkt->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
|
||||
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;
|
||||
}
|
||||
/*
|
||||
}
|
||||
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
|
||||
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)
|
||||
}
|
||||
}
|
||||
#ifdef HAVE_MMX
|
||||
emms();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
#ifdef HAVE_MMX
|
||||
emms();
|
||||
#endif
|
||||
return s->frame_size;
|
||||
}
|
||||
|
||||
static int aiw_grab_read_close(AVFormatContext *s1)
|
||||
static int aiw_close(VideoData *s)
|
||||
{
|
||||
AIWVideoData *s = s1->priv_data;
|
||||
|
||||
close(s->fd);
|
||||
av_free(s->lum_m4_mem);
|
||||
av_free(s->src_mem);
|
||||
|
||||
av_freep(&s->lum_m4_mem);
|
||||
av_freep(&s->src_mem);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static AVInputFormat aiw_grab_device_format = {
|
||||
"aiw_grab_device",
|
||||
"All-In-Wonder (km read-based) video grab",
|
||||
sizeof(AIWVideoData),
|
||||
NULL,
|
||||
aiw_grab_read_header,
|
||||
aiw_grab_read_packet,
|
||||
aiw_grab_read_close,
|
||||
.flags = AVFMT_NOFILE,
|
||||
};
|
||||
|
||||
int video_grab_init(void)
|
||||
{
|
||||
av_register_input_format(&video_grab_device_format);
|
||||
av_register_input_format(&aiw_grab_device_format);
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user