lavd: drop disabled v4l code

This code is disabled since 2012. V4L1 was dropped from the kernel more
than 10 years ago.

4 files changed, 0 insertions, 368 deletions

diff --git a/configure b/configure
index 445d953e4f..d58270550c 100755
--- a/configure
+++ b/configure
@@ -3048,7 +3048,6 @@ qtkit_indev_select="qtkit"
 sdl2_outdev_deps="sdl2"
 sndio_indev_deps="sndio"
 sndio_outdev_deps="sndio"
-v4l_indev_deps="linux_videodev_h"
 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
 vfwcap_indev_deps="vfw32 vfwcap_defines"
@@ -6079,7 +6078,6 @@ pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man
 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
 
 check_header linux/fb.h
-check_header linux/videodev.h
 check_header linux/videodev2.h
 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
 
diff --git a/libavdevice/Makefile b/libavdevice/Makefile
index cd077b292e..0efb3f905f 100644
--- a/libavdevice/Makefile
+++ b/libavdevice/Makefile
@@ -47,7 +47,6 @@ OBJS-$(CONFIG_SNDIO_INDEV)               += sndio_dec.o sndio.o
 OBJS-$(CONFIG_SNDIO_OUTDEV)              += sndio_enc.o sndio.o
 OBJS-$(CONFIG_V4L2_INDEV)                += v4l2.o v4l2-common.o timefilter.o
 OBJS-$(CONFIG_V4L2_OUTDEV)               += v4l2enc.o v4l2-common.o
-OBJS-$(CONFIG_V4L_INDEV)                 += v4l.o
 OBJS-$(CONFIG_VFWCAP_INDEV)              += vfwcap.o
 OBJS-$(CONFIG_XCBGRAB_INDEV)             += xcbgrab.o
 OBJS-$(CONFIG_XV_OUTDEV)                 += xv.o
diff --git a/libavdevice/alldevices.c b/libavdevice/alldevices.c
index 8d1cb8648f..4bf08d798d 100644
--- a/libavdevice/alldevices.c
+++ b/libavdevice/alldevices.c
@@ -62,7 +62,6 @@ static void register_all(void)
     REGISTER_OUTDEV  (SDL2,             sdl2);
     REGISTER_INOUTDEV(SNDIO,            sndio);
     REGISTER_INOUTDEV(V4L2,             v4l2);
-//    REGISTER_INDEV   (V4L,              v4l
     REGISTER_INDEV   (VFWCAP,           vfwcap);
     REGISTER_INDEV   (XCBGRAB,          xcbgrab);
     REGISTER_OUTDEV  (XV,               xv);
diff --git a/libavdevice/v4l.c b/libavdevice/v4l.c
deleted file mode 100644
index 81653e02fb..0000000000
--- a/libavdevice/v4l.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/*
- * Linux video grab interface
- * Copyright (c) 2000,2001 Fabrice Bellard
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "avdevice.h"
-
-#undef __STRICT_ANSI__ //workaround due to broken kernel headers
-#include "config.h"
-#include "libavutil/rational.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/internal.h"
-#include "libavutil/log.h"
-#include "libavutil/opt.h"
-#include "libavformat/internal.h"
-#include "libavcodec/dsputil.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/time.h>
-#define _LINUX_TIME_H 1
-#include <linux/videodev.h>
-#include <time.h>
-
-typedef struct {
-    AVClass *class;
-    int fd;
-    int frame_format; /* see VIDEO_PALETTE_xxx */
-    int use_mmap;
-    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;
-    int standard;
-} VideoData;
-
-static const struct {
-    int palette;
-    int depth;
-    enum AVPixelFormat pix_fmt;
-} video_formats [] = {
-    {.palette = VIDEO_PALETTE_YUV420P, .depth = 12, .pix_fmt = AV_PIX_FMT_YUV420P },
-    {.palette = VIDEO_PALETTE_YUV422,  .depth = 16, .pix_fmt = AV_PIX_FMT_YUYV422 },
-    {.palette = VIDEO_PALETTE_UYVY,    .depth = 16, .pix_fmt = AV_PIX_FMT_UYVY422 },
-    {.palette = VIDEO_PALETTE_YUYV,    .depth = 16, .pix_fmt = AV_PIX_FMT_YUYV422 },
-    /* NOTE: v4l uses BGR24, not RGB24 */
-    {.palette = VIDEO_PALETTE_RGB24,   .depth = 24, .pix_fmt = AV_PIX_FMT_BGR24   },
-    {.palette = VIDEO_PALETTE_RGB565,  .depth = 16, .pix_fmt = AV_PIX_FMT_BGR565  },
-    {.palette = VIDEO_PALETTE_GREY,    .depth = 8,  .pix_fmt = AV_PIX_FMT_GRAY8   },
-};
-
-
-static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
-{
-    VideoData *s = s1->priv_data;
-    AVStream *st;
-    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 = FF_ARRAY_ELEMS(video_formats);
-
-    av_log(s1, AV_LOG_WARNING, "V4L input device is deprecated and will be removed in the next release.");
-
-    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;
-
-    s->video_win.width = ap->width;
-    s->video_win.height = ap->height;
-
-    st = avformat_new_stream(s1, NULL);
-    if (!st)
-        return AVERROR(ENOMEM);
-    avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
-
-    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) {
-        av_log(s1, AV_LOG_ERROR, "VIDIOCGCAP: %s\n", strerror(errno));
-        goto fail;
-    }
-
-    if (!(s->video_cap.type & VID_TYPE_CAPTURE)) {
-        av_log(s1, AV_LOG_ERROR, "Fatal: grab device does not handle capture\n");
-        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(av_image_check_size(s->video_win.width, s->video_win.height, 0, s1) < 0)
-        return -1;
-
-    desired_palette = -1;
-    desired_depth = -1;
-    for (j = 0; j < vformat_num; j++) {
-        if (ap->pix_fmt == video_formats[j].pix_fmt) {
-            desired_palette = video_formats[j].palette;
-            desired_depth = video_formats[j].depth;
-            break;
-        }
-    }
-
-    /* set tv standard */
-    if (!ioctl(video_fd, VIDIOCGTUNER, &tuner)) {
-        tuner.mode = s->standard;
-        ioctl(video_fd, VIDIOCSTUNER, &tuner);
-    }
-
-    /* unmute audio */
-    audio.audio = 0;
-    ioctl(video_fd, VIDIOCGAUDIO, &audio);
-    memcpy(&s->audio_saved, &audio, sizeof(audio));
-    audio.flags &= ~VIDEO_AUDIO_MUTE;
-    ioctl(video_fd, VIDIOCSAUDIO, &audio);
-
-    ioctl(video_fd, VIDIOCGPICT, &pict);
-    ff_dlog(s1, "v4l: colour=%d hue=%d brightness=%d constrast=%d whiteness=%d\n",
-            pict.colour, pict.hue, pict.brightness, pict.contrast, pict.whiteness);
-    /* try to choose a suitable video format */
-    pict.palette = desired_palette;
-    pict.depth= desired_depth;
-    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;
-            if (-1 != ioctl(video_fd, VIDIOCSPICT, &pict))
-                break;
-        }
-        if (j >= vformat_num)
-            goto fail1;
-    }
-
-    if (ioctl(video_fd, VIDIOCGMBUF, &s->gb_buffers) < 0) {
-        /* try to use read based access */
-        int val;
-
-        s->video_win.x = 0;
-        s->video_win.y = 0;
-        s->video_win.chromakey = -1;
-        s->video_win.flags = 0;
-
-        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;
-        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->time_base.den / s->time_base.num;
-        s->use_mmap = 0;
-    } else {
-        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);
-            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->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 = s->video_win.height;
-        s->gb_buf.width = s->video_win.width;
-        s->gb_buf.format = pict.palette;
-
-        if (ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf) < 0) {
-            if (errno != EAGAIN) {
-            fail1:
-                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");
-            }
-            goto fail;
-        }
-        for (j = 1; j < s->gb_buffers.frames; j++) {
-          s->gb_buf.frame = j;
-          ioctl(video_fd, VIDIOCMCAPTURE, &s->gb_buf);
-        }
-        s->frame_format = s->gb_buf.format;
-        s->use_mmap = 1;
-    }
-
-    for (j = 0; j < vformat_num; j++) {
-        if (s->frame_format == video_formats[j].palette) {
-            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;
-        }
-    }
-
-    if (j >= vformat_num)
-        goto fail;
-
-    s->fd = video_fd;
-
-    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
-    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);
-    return AVERROR(EIO);
-}
-
-static int v4l_mm_read_picture(VideoData *s, uint8_t *buf)
-{
-    uint8_t *ptr;
-
-    while (ioctl(s->fd, VIDIOCSYNC, &s->gb_frame) < 0 &&
-           (errno == EAGAIN || errno == EINTR));
-
-    ptr = s->video_buf + s->gb_buffers.offsets[s->gb_frame];
-    memcpy(buf, ptr, s->frame_size);
-
-    /* Setup to capture the next frame */
-    s->gb_buf.frame = s->gb_frame;
-    if (ioctl(s->fd, VIDIOCMCAPTURE, &s->gb_buf) < 0) {
-        if (errno == EAGAIN)
-            av_log(NULL, AV_LOG_ERROR, "Cannot Sync\n");
-        else
-            av_log(NULL, AV_LOG_ERROR, "VIDIOCMCAPTURE: %s\n", strerror(errno));
-        return AVERROR(EIO);
-    }
-
-    /* This is now the grabbing frame */
-    s->gb_frame = (s->gb_frame + 1) % s->gb_buffers.frames;
-
-    return s->frame_size;
-}
-
-static int grab_read_packet(AVFormatContext *s1, AVPacket *pkt)
-{
-    VideoData *s = s1->priv_data;
-    int64_t curtime, delay;
-    struct timespec ts;
-
-    /* Calculate the time of the next frame */
-    s->time_frame += INT64_C(1000000);
-
-    /* wait based on the frame rate */
-    for(;;) {
-        curtime = av_gettime();
-        delay = s->time_frame * s->time_base.num / s->time_base.den - curtime;
-        if (delay <= 0) {
-            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);
-            }
-            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 AVERROR(EIO);
-
-    pkt->pts = curtime;
-
-    /* read one frame */
-    if (s->use_mmap) {
-        return v4l_mm_read_picture(s, pkt->data);
-    } else {
-        if (read(s->fd, pkt->data, pkt->size) != pkt->size)
-            return AVERROR(EIO);
-        return s->frame_size;
-    }
-}
-
-static int grab_read_close(AVFormatContext *s1)
-{
-    VideoData *s = s1->priv_data;
-
-    if (s->use_mmap)
-        munmap(s->video_buf, s->gb_buffers.size);
-
-    /* mute audio. we must force it because the BTTV driver does not
-       return its state correctly */
-    s->audio_saved.flags |= VIDEO_AUDIO_MUTE;
-    ioctl(s->fd, VIDIOCSAUDIO, &s->audio_saved);
-
-    close(s->fd);
-    return 0;
-}
-
-static const AVOption options[] = {
-    { "standard", "", offsetof(VideoData, standard), AV_OPT_TYPE_INT, {.i64 = VIDEO_MODE_NTSC}, VIDEO_MODE_PAL, VIDEO_MODE_NTSC, AV_OPT_FLAG_DECODING_PARAM, "standard" },
-    { "PAL",   "", 0, AV_OPT_TYPE_CONST, {.i64 = VIDEO_MODE_PAL},   0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
-    { "SECAM", "", 0, AV_OPT_TYPE_CONST, {.i64 = VIDEO_MODE_SECAM}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
-    { "NTSC",  "", 0, AV_OPT_TYPE_CONST, {.i64 = VIDEO_MODE_NTSC},  0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
-    { NULL },
-};
-
-static const AVClass v4l_class = {
-    .class_name = "V4L indev",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
-};
-
-AVInputFormat ff_v4l_demuxer = {
-    .name           = "video4linux,v4l",
-    .long_name      = NULL_IF_CONFIG_SMALL("Video4Linux device grab"),
-    .priv_data_size = sizeof(VideoData),
-    .read_header    = grab_read_header,
-    .read_packet    = grab_read_packet,
-    .read_close     = grab_read_close,
-    .flags          = AVFMT_NOFILE,
-    .priv_class     = &v4l_class,
-};