diff options
| -rwxr-xr-x | configure | 3 | ||||
| -rw-r--r-- | doc/general.texi | 1 | ||||
| -rw-r--r-- | doc/indevs.texi | 4 | ||||
| -rw-r--r-- | libavdevice/Makefile | 1 | ||||
| -rw-r--r-- | libavdevice/alldevices.c | 1 | ||||
| -rw-r--r-- | libavdevice/dv1394.c | 238 | ||||
| -rw-r--r-- | libavdevice/dv1394.h | 357 | ||||
| -rw-r--r-- | libavdevice/version.h | 2 |
8 files changed, 1 insertions, 606 deletions
@@ -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 $target_os in add_cppflags -U__STRICT_ANSI__ ;; linux) - enable dv1394 enable section_data_rel_ro ;; irix*) diff --git a/doc/general.texi b/doc/general.texi index adf5b4eabf..6e39d5c1a0 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -1067,7 +1067,6 @@ performance on systems without hardware floating point support). @item Name @tab Input @tab Output @item ALSA @tab X @tab X @item BKTR @tab X @tab -@item DV1394 @tab X @tab @item Linux framebuffer @tab X @tab @item JACK @tab X @tab @item LIBCDIO @tab X diff --git a/doc/indevs.texi b/doc/indevs.texi index a08c7a5f6b..7acdd8f3cc 100644 --- a/doc/indevs.texi +++ b/doc/indevs.texi @@ -55,10 +55,6 @@ For more information see: BSD video input device. -@section dv1394 - -Linux DV 1394 input device. - @section fbdev Linux framebuffer input device. diff --git a/libavdevice/Makefile b/libavdevice/Makefile index 420fb065d2..8e533012d8 100644 --- a/libavdevice/Makefile +++ b/libavdevice/Makefile @@ -13,7 +13,6 @@ OBJS-$(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 diff --git a/libavdevice/alldevices.c b/libavdevice/alldevices.c index 47d7421a06..151e977b85 100644 --- a/libavdevice/alldevices.c +++ b/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); diff --git a/libavdevice/dv1394.c b/libavdevice/dv1394.c deleted file mode 100644 index addf1ade67..0000000000 --- a/libavdevice/dv1394.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * 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, -}; diff --git a/libavdevice/dv1394.h b/libavdevice/dv1394.h deleted file mode 100644 index 9710ff56ea..0000000000 --- a/libavdevice/dv1394.h +++ /dev/null @@ -1,357 +0,0 @@ -/* - * DV input/output over IEEE 1394 on OHCI chips - * Copyright (C)2001 Daniel Maas <dmaas@dcine.com> - * receive, proc_fs by Dan Dennedy <dan@dennedy.org> - * - * based on: - * video1394.h - driver for OHCI 1394 boards - * Copyright (C)1999,2000 Sebastien Rougeaux <sebastien.rougeaux@anu.edu.au> - * Peter Schlaile <udbz@rz.uni-karlsruhe.de> - * - * 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 - */ - -#ifndef AVDEVICE_DV1394_H -#define AVDEVICE_DV1394_H - -#define DV1394_DEFAULT_CHANNEL 63 -#define DV1394_DEFAULT_CARD 0 -#define DV1394_RING_FRAMES 20 - -#define DV1394_WIDTH 720 -#define DV1394_NTSC_HEIGHT 480 -#define DV1394_PAL_HEIGHT 576 - -/* This is the public user-space interface. Try not to break it. */ - -#define DV1394_API_VERSION 0x20011127 - -/* ******************** - ** ** - ** DV1394 API ** - ** ** - ******************** - - There are two methods of operating the DV1394 DV output device. - - 1) - - The simplest is an interface based on write(): simply write - full DV frames of data to the device, and they will be transmitted - as quickly as possible. The FD may be set for non-blocking I/O, - in which case you can use select() or poll() to wait for output - buffer space. - - To set the DV output parameters (e.g. whether you want NTSC or PAL - video), use the DV1394_INIT ioctl, passing in the parameters you - want in a struct dv1394_init. - - Example 1: - To play a raw .DV file: cat foo.DV > /dev/dv1394 - (cat will use write() internally) - - Example 2: - static struct dv1394_init init = { - 0x63, (broadcast channel) - 4, (four-frame ringbuffer) - DV1394_NTSC, (send NTSC video) - 0, 0 (default empty packet rate) - } - - ioctl(fd, DV1394_INIT, &init); - - while(1) { - read( <a raw DV file>, buf, DV1394_NTSC_FRAME_SIZE ); - write( <the dv1394 FD>, buf, DV1394_NTSC_FRAME_SIZE ); - } - - 2) - - For more control over buffering, and to avoid unnecessary copies - of the DV data, you can use the more sophisticated the mmap() interface. - First, call the DV1394_INIT ioctl to specify your parameters, - including the number of frames in the ringbuffer. Then, calling mmap() - on the dv1394 device will give you direct access to the ringbuffer - from which the DV card reads your frame data. - - The ringbuffer is simply one large, contiguous region of memory - containing two or more frames of packed DV data. Each frame of DV data - is 120000 bytes (NTSC) or 144000 bytes (PAL). - - Fill one or more frames in the ringbuffer, then use the DV1394_SUBMIT_FRAMES - ioctl to begin I/O. You can use either the DV1394_WAIT_FRAMES ioctl - or select()/poll() to wait until the frames are transmitted. Next, you'll - need to call the DV1394_GET_STATUS ioctl to determine which ringbuffer - frames are clear (ready to be filled with new DV data). Finally, use - DV1394_SUBMIT_FRAMES again to send the new data to the DV output. - - - Example: here is what a four-frame ringbuffer might look like - during DV transmission: - - - frame 0 frame 1 frame 2 frame 3 - - *--------------------------------------* - | CLEAR | DV data | DV data | CLEAR | - *--------------------------------------* - <ACTIVE> - - transmission goes in this direction --->>> - - - The DV hardware is currently transmitting the data in frame 1. - Once frame 1 is finished, it will automatically transmit frame 2. - (if frame 2 finishes before frame 3 is submitted, the device - will continue to transmit frame 2, and will increase the dropped_frames - counter each time it repeats the transmission). - - - If you called DV1394_GET_STATUS at this instant, you would - receive the following values: - - n_frames = 4 - active_frame = 1 - first_clear_frame = 3 - n_clear_frames = 2 - - At this point, you should write new DV data into frame 3 and optionally - frame 0. Then call DV1394_SUBMIT_FRAMES to inform the device that - it may transmit the new frames. - - ERROR HANDLING - - An error (buffer underflow/overflow or a break in the DV stream due - to a 1394 bus reset) can be detected by checking the dropped_frames - field of struct dv1394_status (obtained through the - DV1394_GET_STATUS ioctl). - - The best way to recover from such an error is to re-initialize - dv1394, either by using the DV1394_INIT ioctl call, or closing the - file descriptor and opening it again. (note that you must unmap all - ringbuffer mappings when closing the file descriptor, or else - dv1394 will still be considered 'in use'). - - MAIN LOOP - - For maximum efficiency and robustness against bus errors, you are - advised to model the main loop of your application after the - following pseudo-code example: - - (checks of system call return values omitted for brevity; always - check return values in your code!) - - while( frames left ) { - - struct pollfd *pfd = ...; - - pfd->fd = dv1394_fd; - pfd->revents = 0; - pfd->events = POLLOUT | POLLIN; (OUT for transmit, IN for receive) - - (add other sources of I/O here) - - poll(pfd, 1, -1); (or select(); add a timeout if you want) - - if(pfd->revents) { - struct dv1394_status status; - - ioctl(dv1394_fd, DV1394_GET_STATUS, &status); - - if(status.dropped_frames > 0) { - reset_dv1394(); - } else { - int i; - for (i = 0; i < status.n_clear_frames; i++) { - copy_DV_frame(); - } - } - } - } - - where copy_DV_frame() reads or writes on the dv1394 file descriptor - (read/write mode) or copies data to/from the mmap ringbuffer and - then calls ioctl(DV1394_SUBMIT_FRAMES) to notify dv1394 that new - frames are available (mmap mode). - - reset_dv1394() is called in the event of a buffer - underflow/overflow or a halt in the DV stream (e.g. due to a 1394 - bus reset). To guarantee recovery from the error, this function - should close the dv1394 file descriptor (and munmap() all - ringbuffer mappings, if you are using them), then re-open the - dv1394 device (and re-map the ringbuffer). - -*/ - - -/* maximum number of frames in the ringbuffer */ -#define DV1394_MAX_FRAMES 32 - -/* number of *full* isochronous packets per DV frame */ -#define DV1394_NTSC_PACKETS_PER_FRAME 250 -#define DV1394_PAL_PACKETS_PER_FRAME 300 - -/* size of one frame's worth of DV data, in bytes */ -#define DV1394_NTSC_FRAME_SIZE (480 * DV1394_NTSC_PACKETS_PER_FRAME) -#define DV1394_PAL_FRAME_SIZE (480 * DV1394_PAL_PACKETS_PER_FRAME) - - -/* ioctl() commands */ - -enum { - /* I don't like using 0 as a valid ioctl() */ - DV1394_INVALID = 0, - - - /* get the driver ready to transmit video. - pass a struct dv1394_init* as the parameter (see below), - or NULL to get default parameters */ - DV1394_INIT, - - - /* stop transmitting video and free the ringbuffer */ - DV1394_SHUTDOWN, - - - /* submit N new frames to be transmitted, where - the index of the first new frame is first_clear_buffer, - and the index of the last new frame is - (first_clear_buffer + N) % n_frames */ - DV1394_SUBMIT_FRAMES, - - - /* block until N buffers are clear (pass N as the parameter) - Because we re-transmit the last frame on underrun, there - will at most be n_frames - 1 clear frames at any time */ - DV1394_WAIT_FRAMES, - - /* capture new frames that have been received, where - the index of the first new frame is first_clear_buffer, - and the index of the last new frame is - (first_clear_buffer + N) % n_frames */ - DV1394_RECEIVE_FRAMES, - - - DV1394_START_RECEIVE, - - - /* pass a struct dv1394_status* as the parameter (see below) */ - DV1394_GET_STATUS, -}; - - - -enum pal_or_ntsc { - DV1394_NTSC = 0, - DV1394_PAL -}; - - - - -/* this is the argument to DV1394_INIT */ -struct dv1394_init { - /* DV1394_API_VERSION */ - unsigned int api_version; - - /* isochronous transmission channel to use */ - unsigned int channel; - - /* number of frames in the ringbuffer. Must be at least 2 - and at most DV1394_MAX_FRAMES. */ - unsigned int n_frames; - - /* send/receive PAL or NTSC video format */ - enum pal_or_ntsc format; - - /* the following are used only for transmission */ - - /* set these to zero unless you want a - non-default empty packet rate (see below) */ - unsigned long cip_n; - unsigned long cip_d; - - /* set this to zero unless you want a - non-default SYT cycle offset (default = 3 cycles) */ - unsigned int syt_offset; -}; - -/* NOTE: you may only allocate the DV frame ringbuffer once each time - you open the dv1394 device. DV1394_INIT will fail if you call it a - second time with different 'n_frames' or 'format' arguments (which - would imply a different size for the ringbuffer). If you need a - different buffer size, simply close and re-open the device, then - initialize it with your new settings. */ - -/* Q: What are cip_n and cip_d? */ - -/* - A: DV video streams do not utilize 100% of the potential bandwidth offered - by IEEE 1394 (FireWire). To achieve the correct rate of data transmission, - DV devices must periodically insert empty packets into the 1394 data stream. - Typically there is one empty packet per 14-16 data-carrying packets. - - Some DV devices will accept a wide range of empty packet rates, while others - require a precise rate. If the dv1394 driver produces empty packets at - a rate that your device does not accept, you may see ugly patterns on the - DV output, or even no output at all. - - The default empty packet insertion rate seems to work for many people; if - your DV output is stable, you can simply ignore this discussion. However, - we have exposed the empty packet rate as a parameter to support devices that - do not work with the default rate. - - The decision to insert an empty packet is made with a numerator/denominator - algorithm. Empty packets are produced at an average rate of CIP_N / CIP_D. - You can alter the empty packet rate by passing non-zero values for cip_n - and cip_d to the INIT ioctl. - - */ - - - -struct dv1394_status { - /* this embedded init struct returns the current dv1394 - parameters in use */ - struct dv1394_init init; - - /* the ringbuffer frame that is currently being - displayed. (-1 if the device is not transmitting anything) */ - int active_frame; - - /* index of the first buffer (ahead of active_frame) that - is ready to be filled with data */ - unsigned int first_clear_frame; - - /* how many buffers, including first_clear_buffer, are - ready to be filled with data */ - unsigned int n_clear_frames; - - /* how many times the DV stream has underflowed, overflowed, - or otherwise encountered an error, since the previous call - to DV1394_GET_STATUS */ - unsigned int dropped_frames; - - /* N.B. The dropped_frames counter is only a lower bound on the actual - number of dropped frames, with the special case that if dropped_frames - is zero, then it is guaranteed that NO frames have been dropped - since the last call to DV1394_GET_STATUS. - */ -}; - - -#endif /* AVDEVICE_DV1394_H */ diff --git a/libavdevice/version.h b/libavdevice/version.h index e09a23cf67..3427d206cd 100644 --- a/libavdevice/version.h +++ b/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, \ |