lavd: rename fbdev.c into fbdev_dec.c

Rename existing fbdev.c to make it a more meaningful name.

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

1 files changed, 0 insertions, 263 deletions

diff --git a/libavdevice/fbdev.c b/libavdevice/fbdev.c
deleted file mode 100644
index b49052ef6f..0000000000
--- a/libavdevice/fbdev.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * Copyright (c) 2011 Stefano Sabatini
- * Copyright (c) 2009 Giliard B. de Freitas <giliarde@gmail.com>
- * Copyright (C) 2002 Gunnar Monell <gmo@linux.nu>
- *
- * 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
- */
-
-/**
- * @file
- * Linux framebuffer input device,
- * inspired by code from fbgrab.c by Gunnar Monell.
- * @see http://linux-fbdev.sourceforge.net/
- */
-
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <time.h>
-#include <linux/fb.h>
-
-#include "libavutil/internal.h"
-#include "libavutil/log.h"
-#include "libavutil/mem.h"
-#include "libavutil/opt.h"
-#include "libavutil/time.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/pixdesc.h"
-#include "avdevice.h"
-#include "libavformat/internal.h"
-
-struct rgb_pixfmt_map_entry {
-    int bits_per_pixel;
-    int red_offset, green_offset, blue_offset, alpha_offset;
-    enum AVPixelFormat pixfmt;
-};
-
-static const struct rgb_pixfmt_map_entry rgb_pixfmt_map[] = {
-    // bpp, red_offset,  green_offset, blue_offset, alpha_offset, pixfmt
-    {  32,       0,           8,          16,           24,   AV_PIX_FMT_RGBA  },
-    {  32,      16,           8,           0,           24,   AV_PIX_FMT_BGRA  },
-    {  32,       8,          16,          24,            0,   AV_PIX_FMT_ARGB  },
-    {  32,       3,           2,           8,            0,   AV_PIX_FMT_ABGR  },
-    {  24,       0,           8,          16,            0,   AV_PIX_FMT_RGB24 },
-    {  24,      16,           8,           0,            0,   AV_PIX_FMT_BGR24 },
-    {  16,      11,           5,           0,           16,   AV_PIX_FMT_RGB565 },
-};
-
-static enum AVPixelFormat get_pixfmt_from_fb_varinfo(struct fb_var_screeninfo *varinfo)
-{
-    int i;
-
-    for (i = 0; i < FF_ARRAY_ELEMS(rgb_pixfmt_map); i++) {
-        const struct rgb_pixfmt_map_entry *entry = &rgb_pixfmt_map[i];
-        if (entry->bits_per_pixel == varinfo->bits_per_pixel &&
-            entry->red_offset     == varinfo->red.offset     &&
-            entry->green_offset   == varinfo->green.offset   &&
-            entry->blue_offset    == varinfo->blue.offset)
-            return entry->pixfmt;
-    }
-
-    return AV_PIX_FMT_NONE;
-}
-
-typedef struct {
-    AVClass *class;          ///< class for private options
-    int frame_size;          ///< size in bytes of a grabbed frame
-    AVRational framerate_q;  ///< framerate
-    int64_t time_frame;      ///< time for the next frame to output (in 1/1000000 units)
-
-    int fd;                  ///< framebuffer device file descriptor
-    int width, height;       ///< assumed frame resolution
-    int frame_linesize;      ///< linesize of the output frame, it is assumed to be constant
-    int bytes_per_pixel;
-
-    struct fb_var_screeninfo varinfo; ///< variable info;
-    struct fb_fix_screeninfo fixinfo; ///< fixed    info;
-
-    uint8_t *data;           ///< framebuffer data
-} FBDevContext;
-
-static av_cold int fbdev_read_header(AVFormatContext *avctx)
-{
-    FBDevContext *fbdev = avctx->priv_data;
-    AVStream *st = NULL;
-    enum AVPixelFormat pix_fmt;
-    int ret, flags = O_RDONLY;
-
-    if (!(st = avformat_new_stream(avctx, NULL)))
-        return AVERROR(ENOMEM);
-    avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in microseconds */
-
-    /* NONBLOCK is ignored by the fbdev driver, only set for consistency */
-    if (avctx->flags & AVFMT_FLAG_NONBLOCK)
-        flags |= O_NONBLOCK;
-
-    if ((fbdev->fd = avpriv_open(avctx->filename, flags)) == -1) {
-        ret = AVERROR(errno);
-        av_log(avctx, AV_LOG_ERROR,
-               "Could not open framebuffer device '%s': %s\n",
-               avctx->filename, av_err2str(ret));
-        return ret;
-    }
-
-    if (ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->varinfo) < 0) {
-        ret = AVERROR(errno);
-        av_log(avctx, AV_LOG_ERROR,
-               "FBIOGET_VSCREENINFO: %s\n", av_err2str(ret));
-        goto fail;
-    }
-
-    if (ioctl(fbdev->fd, FBIOGET_FSCREENINFO, &fbdev->fixinfo) < 0) {
-        ret = AVERROR(errno);
-        av_log(avctx, AV_LOG_ERROR,
-               "FBIOGET_FSCREENINFO: %s\n", av_err2str(ret));
-        goto fail;
-    }
-
-    pix_fmt = get_pixfmt_from_fb_varinfo(&fbdev->varinfo);
-    if (pix_fmt == AV_PIX_FMT_NONE) {
-        ret = AVERROR(EINVAL);
-        av_log(avctx, AV_LOG_ERROR,
-               "Framebuffer pixel format not supported.\n");
-        goto fail;
-    }
-
-    fbdev->width           = fbdev->varinfo.xres;
-    fbdev->height          = fbdev->varinfo.yres;
-    fbdev->bytes_per_pixel = (fbdev->varinfo.bits_per_pixel + 7) >> 3;
-    fbdev->frame_linesize  = fbdev->width * fbdev->bytes_per_pixel;
-    fbdev->frame_size      = fbdev->frame_linesize * fbdev->height;
-    fbdev->time_frame      = AV_NOPTS_VALUE;
-    fbdev->data = mmap(NULL, fbdev->fixinfo.smem_len, PROT_READ, MAP_SHARED, fbdev->fd, 0);
-    if (fbdev->data == MAP_FAILED) {
-        ret = AVERROR(errno);
-        av_log(avctx, AV_LOG_ERROR, "Error in mmap(): %s\n", av_err2str(ret));
-        goto fail;
-    }
-
-    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id   = AV_CODEC_ID_RAWVIDEO;
-    st->codec->width      = fbdev->width;
-    st->codec->height     = fbdev->height;
-    st->codec->pix_fmt    = pix_fmt;
-    st->codec->time_base  = av_inv_q(fbdev->framerate_q);
-    st->codec->bit_rate   =
-        fbdev->width * fbdev->height * fbdev->bytes_per_pixel * av_q2d(fbdev->framerate_q) * 8;
-
-    av_log(avctx, AV_LOG_INFO,
-           "w:%d h:%d bpp:%d pixfmt:%s fps:%d/%d bit_rate:%d\n",
-           fbdev->width, fbdev->height, fbdev->varinfo.bits_per_pixel,
-           av_get_pix_fmt_name(pix_fmt),
-           fbdev->framerate_q.num, fbdev->framerate_q.den,
-           st->codec->bit_rate);
-    return 0;
-
-fail:
-    close(fbdev->fd);
-    return ret;
-}
-
-static int fbdev_read_packet(AVFormatContext *avctx, AVPacket *pkt)
-{
-    FBDevContext *fbdev = avctx->priv_data;
-    int64_t curtime, delay;
-    struct timespec ts;
-    int i, ret;
-    uint8_t *pin, *pout;
-
-    if (fbdev->time_frame == AV_NOPTS_VALUE)
-        fbdev->time_frame = av_gettime();
-
-    /* wait based on the frame rate */
-    while (1) {
-        curtime = av_gettime();
-        delay = fbdev->time_frame - curtime;
-        av_dlog(avctx,
-                "time_frame:%"PRId64" curtime:%"PRId64" delay:%"PRId64"\n",
-                fbdev->time_frame, curtime, delay);
-        if (delay <= 0) {
-            fbdev->time_frame += INT64_C(1000000) / av_q2d(fbdev->framerate_q);
-            break;
-        }
-        if (avctx->flags & AVFMT_FLAG_NONBLOCK)
-            return AVERROR(EAGAIN);
-        ts.tv_sec  =  delay / 1000000;
-        ts.tv_nsec = (delay % 1000000) * 1000;
-        while (nanosleep(&ts, &ts) < 0 && errno == EINTR);
-    }
-
-    if ((ret = av_new_packet(pkt, fbdev->frame_size)) < 0)
-        return ret;
-
-    /* refresh fbdev->varinfo, visible data position may change at each call */
-    if (ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->varinfo) < 0)
-        av_log(avctx, AV_LOG_WARNING,
-               "Error refreshing variable info: %s\n", av_err2str(ret));
-
-    pkt->pts = curtime;
-
-    /* compute visible data offset */
-    pin = fbdev->data + fbdev->bytes_per_pixel * fbdev->varinfo.xoffset +
-                        fbdev->varinfo.yoffset * fbdev->fixinfo.line_length;
-    pout = pkt->data;
-
-    for (i = 0; i < fbdev->height; i++) {
-        memcpy(pout, pin, fbdev->frame_linesize);
-        pin  += fbdev->fixinfo.line_length;
-        pout += fbdev->frame_linesize;
-    }
-
-    return fbdev->frame_size;
-}
-
-static av_cold int fbdev_read_close(AVFormatContext *avctx)
-{
-    FBDevContext *fbdev = avctx->priv_data;
-
-    munmap(fbdev->data, fbdev->fixinfo.smem_len);
-    close(fbdev->fd);
-
-    return 0;
-}
-
-#define OFFSET(x) offsetof(FBDevContext, x)
-#define DEC AV_OPT_FLAG_DECODING_PARAM
-static const AVOption options[] = {
-    { "framerate","", OFFSET(framerate_q), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, DEC },
-    { NULL },
-};
-
-static const AVClass fbdev_class = {
-    .class_name = "fbdev indev",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-
-AVInputFormat ff_fbdev_demuxer = {
-    .name           = "fbdev",
-    .long_name      = NULL_IF_CONFIG_SMALL("Linux framebuffer"),
-    .priv_data_size = sizeof(FBDevContext),
-    .read_header    = fbdev_read_header,
-    .read_packet    = fbdev_read_packet,
-    .read_close     = fbdev_read_close,
-    .flags          = AVFMT_NOFILE,
-    .priv_class     = &fbdev_class,
-};