Remove dv1394 input device

Support for this device has been removed in the Linux kernel since v2.6.37.
dv1394 has been superseded by libiec61883 which is functionally equivalent.
Signed-off-by: Josh de Kock <josh@itanimul.li>
Signed-off-by: Diego Biurrun <diego@biurrun.de>

configure

@@ -2433,8 +2433,6 @@ alsa_indev_deps="alsa"
 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
-dv1394_indev_deps="dv1394"
-dv1394_indev_select="dv_demuxer"
 fbdev_indev_deps="linux_fb_h"
 jack_indev_deps="libjack"
 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
@@ -4008,7 +4006,6 @@ case $target_os in
         add_cppflags -U__STRICT_ANSI__
         ;;
     linux)
-        enable dv1394
         enable section_data_rel_ro
         ;;
     irix*)

doc/general.texi

@@ -1067,7 +1067,6 @@ performance on systems without hardware floating point support).
 @item Name              @tab Input  @tab Output
 @item ALSA              @tab X      @tab X
 @item BKTR              @tab X      @tab
-@item DV1394            @tab X      @tab
 @item Linux framebuffer @tab X      @tab
 @item JACK              @tab X      @tab
 @item LIBCDIO           @tab X

doc/indevs.texi

@@ -55,10 +55,6 @@ For more information see:
 
 BSD video input device.
 
-@section dv1394
-
-Linux DV 1394 input device.
-
 @section fbdev
 
 Linux framebuffer input device.

libavdevice/Makefile

@@ -13,7 +13,6 @@ OBJS-$(HAVE_LIBC_MSVCRT)                 += file_open.o
 OBJS-$(CONFIG_ALSA_INDEV)                += alsa.o
 OBJS-$(CONFIG_AVFOUNDATION_INDEV)        += avfoundation.o
 OBJS-$(CONFIG_BKTR_INDEV)                += bktr.o
-OBJS-$(CONFIG_DV1394_INDEV)              += dv1394.o
 OBJS-$(CONFIG_FBDEV_INDEV)               += fbdev.o
 OBJS-$(CONFIG_JACK_INDEV)                += jack.o timefilter.o
 OBJS-$(CONFIG_OSS_INDEV)                 += oss.o

libavdevice/alldevices.c

@@ -41,7 +41,6 @@ void avdevice_register_all(void)
     REGISTER_INDEV(ALSA,             alsa);
     REGISTER_INDEV(AVFOUNDATION,     avfoundation);
     REGISTER_INDEV(BKTR,             bktr);
-    REGISTER_INDEV(DV1394,           dv1394);
     REGISTER_INDEV(FBDEV,            fbdev);
     REGISTER_INDEV(JACK,             jack);
     REGISTER_INDEV(OSS,              oss);

libavdevice/dv1394.c

-/*
- * Linux DV1394 interface
- * Copyright (c) 2003 Max Krasnyansky <maxk@qualcomm.com>
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <poll.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-
-#include "libavutil/internal.h"
-#include "libavutil/log.h"
-#include "libavutil/opt.h"
-#include "libavformat/avformat.h"
-#include "libavformat/dv.h"
-#include "dv1394.h"
-
-struct dv1394_data {
-    AVClass *class;
-    int fd;
-    int channel;
-    int format;
-
-    uint8_t *ring; /* Ring buffer */
-    int index;  /* Current frame index */
-    int avail;  /* Number of frames available for reading */
-    int done;   /* Number of completed frames */
-
-    DVDemuxContext* dv_demux; /* Generic DV muxing/demuxing context */
-};
-
-/*
- * The trick here is to kludge around well known problem with kernel Ooopsing
- * when you try to capture PAL on a device node configure for NTSC. That's
- * why we have to configure the device node for PAL, and then read only NTSC
- * amount of data.
- */
-static int dv1394_reset(struct dv1394_data *dv)
-{
-    struct dv1394_init init;
-
-    init.channel     = dv->channel;
-    init.api_version = DV1394_API_VERSION;
-    init.n_frames    = DV1394_RING_FRAMES;
-    init.format      = DV1394_PAL;
-
-    if (ioctl(dv->fd, DV1394_INIT, &init) < 0)
-        return -1;
-
-    dv->avail  = dv->done = 0;
-    return 0;
-}
-
-static int dv1394_start(struct dv1394_data *dv)
-{
-    /* Tell DV1394 driver to enable receiver */
-    if (ioctl(dv->fd, DV1394_START_RECEIVE, 0) < 0) {
-        av_log(NULL, AV_LOG_ERROR, "Failed to start receiver: %s\n", strerror(errno));
-        return -1;
-    }
-    return 0;
-}
-
-static int dv1394_read_header(AVFormatContext * context)
-{
-    struct dv1394_data *dv = context->priv_data;
-
-    dv->dv_demux = avpriv_dv_init_demux(context);
-    if (!dv->dv_demux)
-        goto failed;
-
-    /* Open and initialize DV1394 device */
-    dv->fd = avpriv_open(context->filename, O_RDONLY);
-    if (dv->fd < 0) {
-        av_log(context, AV_LOG_ERROR, "Failed to open DV interface: %s\n", strerror(errno));
-        goto failed;
-    }
-
-    if (dv1394_reset(dv) < 0) {
-        av_log(context, AV_LOG_ERROR, "Failed to initialize DV interface: %s\n", strerror(errno));
-        goto failed;
-    }
-
-    dv->ring = mmap(NULL, DV1394_PAL_FRAME_SIZE * DV1394_RING_FRAMES,
-                    PROT_READ, MAP_PRIVATE, dv->fd, 0);
-    if (dv->ring == MAP_FAILED) {
-        av_log(context, AV_LOG_ERROR, "Failed to mmap DV ring buffer: %s\n", strerror(errno));
-        goto failed;
-    }
-
-    if (dv1394_start(dv) < 0)
-        goto failed;
-
-    return 0;
-
-failed:
-    close(dv->fd);
-    return AVERROR(EIO);
-}
-
-static int dv1394_read_packet(AVFormatContext *context, AVPacket *pkt)
-{
-    struct dv1394_data *dv = context->priv_data;
-    int size;
-
-    size = avpriv_dv_get_packet(dv->dv_demux, pkt);
-    if (size > 0)
-        return size;
-
-    if (!dv->avail) {
-        struct dv1394_status s;
-        struct pollfd p;
-
-        if (dv->done) {
-            /* Request more frames */
-            if (ioctl(dv->fd, DV1394_RECEIVE_FRAMES, dv->done) < 0) {
-                /* This usually means that ring buffer overflowed.
-                 * We have to reset :(.
-                 */
-
-                av_log(context, AV_LOG_ERROR, "DV1394: Ring buffer overflow. Reseting ..\n");
-
-                dv1394_reset(dv);
-                dv1394_start(dv);
-            }
-            dv->done = 0;
-        }
-
-        /* Wait until more frames are available */
-restart_poll:
-        p.fd = dv->fd;
-        p.events = POLLIN | POLLERR | POLLHUP;
-        if (poll(&p, 1, -1) < 0) {
-            if (errno == EAGAIN || errno == EINTR)
-                goto restart_poll;
-            av_log(context, AV_LOG_ERROR, "Poll failed: %s\n", strerror(errno));
-            return AVERROR(EIO);
-        }
-
-        if (ioctl(dv->fd, DV1394_GET_STATUS, &s) < 0) {
-            av_log(context, AV_LOG_ERROR, "Failed to get status: %s\n", strerror(errno));
-            return AVERROR(EIO);
-        }
-        av_log(context, AV_LOG_TRACE, "DV1394: status\n"
-                "\tactive_frame\t%d\n"
-                "\tfirst_clear_frame\t%d\n"
-                "\tn_clear_frames\t%d\n"
-                "\tdropped_frames\t%d\n",
-                s.active_frame, s.first_clear_frame,
-                s.n_clear_frames, s.dropped_frames);
-
-        dv->avail = s.n_clear_frames;
-        dv->index = s.first_clear_frame;
-        dv->done  = 0;
-
-        if (s.dropped_frames) {
-            av_log(context, AV_LOG_ERROR, "DV1394: Frame drop detected (%d). Reseting ..\n",
-                    s.dropped_frames);
-
-            dv1394_reset(dv);
-            dv1394_start(dv);
-        }
-    }
-
-    av_log(context, AV_LOG_TRACE, "index %d, avail %d, done %d\n", dv->index, dv->avail,
-            dv->done);
-
-    size = avpriv_dv_produce_packet(dv->dv_demux, pkt,
-                             dv->ring + (dv->index * DV1394_PAL_FRAME_SIZE),
-                             DV1394_PAL_FRAME_SIZE);
-    dv->index = (dv->index + 1) % DV1394_RING_FRAMES;
-    dv->done++; dv->avail--;
-
-    return size;
-}
-
-static int dv1394_close(AVFormatContext * context)
-{
-    struct dv1394_data *dv = context->priv_data;
-
-    /* Shutdown DV1394 receiver */
-    if (ioctl(dv->fd, DV1394_SHUTDOWN, 0) < 0)
-        av_log(context, AV_LOG_ERROR, "Failed to shutdown DV1394: %s\n", strerror(errno));
-
-    /* Unmap ring buffer */
-    if (munmap(dv->ring, DV1394_NTSC_FRAME_SIZE * DV1394_RING_FRAMES) < 0)
-        av_log(context, AV_LOG_ERROR, "Failed to munmap DV1394 ring buffer: %s\n", strerror(errno));
-
-    close(dv->fd);
-    av_free(dv->dv_demux);
-
-    return 0;
-}
-
-static const AVOption options[] = {
-    { "standard", "", offsetof(struct dv1394_data, format), AV_OPT_TYPE_INT, {.i64 = DV1394_NTSC}, DV1394_NTSC, DV1394_PAL, AV_OPT_FLAG_DECODING_PARAM, "standard" },
-    { "PAL",      "", 0, AV_OPT_TYPE_CONST, {.i64 = DV1394_PAL},   0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
-    { "NTSC",     "", 0, AV_OPT_TYPE_CONST, {.i64 = DV1394_NTSC},  0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
-    { "channel",  "", offsetof(struct dv1394_data, channel), AV_OPT_TYPE_INT, {.i64 = DV1394_DEFAULT_CHANNEL}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
-    { NULL },
-};
-
-static const AVClass dv1394_class = {
-    .class_name = "DV1394 indev",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-
-AVInputFormat ff_dv1394_demuxer = {
-    .name           = "dv1394",
-    .long_name      = NULL_IF_CONFIG_SMALL("DV1394 A/V grab"),
-    .priv_data_size = sizeof(struct dv1394_data),
-    .read_header    = dv1394_read_header,
-    .read_packet    = dv1394_read_packet,
-    .read_close     = dv1394_close,
-    .flags          = AVFMT_NOFILE,
-    .priv_class     = &dv1394_class,
-};

libavdevice/version.h

@@ -29,7 +29,7 @@
 
 #define LIBAVDEVICE_VERSION_MAJOR 57
 #define LIBAVDEVICE_VERSION_MINOR  0
-#define LIBAVDEVICE_VERSION_MICRO  1
+#define LIBAVDEVICE_VERSION_MICRO  2
 
 #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
                                                LIBAVDEVICE_VERSION_MINOR, \