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lavd/fbdev: move common code to separate file

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Move common fbdev dec/enc for separate file.

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
pull/41/head
Lukasz Marek 11 years ago committed by Stefano Sabatini
parent c720d0d9df
commit a547c496e9
5 changed files with 98 additions and 72 deletions
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  1. 6
      libavdevice/Makefile
  2. 57
      libavdevice/fbdev_common.c
  3. 31
      libavdevice/fbdev_common.h
  4. 38
      libavdevice/fbdev_dec.c
  5. 38
      libavdevice/fbdev_enc.c

6
libavdevice/Makefile
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@ -23,8 +23,10 @@ OBJS-$(CONFIG_DSHOW_INDEV) += dshow.o dshow_enummediatypes.o \
dshow_enumpins.o dshow_filter.o \
dshow_pin.o dshow_common.o
OBJS-$(CONFIG_DV1394_INDEV) += dv1394.o
OBJS-$(CONFIG_FBDEV_INDEV) += fbdev_dec.o
OBJS-$(CONFIG_FBDEV_OUTDEV) += fbdev_enc.o
OBJS-$(CONFIG_FBDEV_INDEV) += fbdev_dec.o \
fbdev_common.o
OBJS-$(CONFIG_FBDEV_OUTDEV) += fbdev_enc.o \
fbdev_common.o
OBJS-$(CONFIG_IEC61883_INDEV) += iec61883.o
OBJS-$(CONFIG_JACK_INDEV) += jack_audio.o timefilter.o
OBJS-$(CONFIG_LAVFI_INDEV) += lavfi.o

57
libavdevice/fbdev_common.c
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@ -0,0 +1,57 @@
/*
* 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
*/
#include "fbdev_common.h"
#include "libavutil/common.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 },
};
enum AVPixelFormat ff_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;
}

31
libavdevice/fbdev_common.h
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@ -0,0 +1,31 @@
/*
* 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
*/
#ifndef AVDEVICE_FBDEV_COMMON_H
#define AVDEVICE_FBDEV_COMMON_H
#include <linux/fb.h>
#include "libavutil/pixfmt.h"
enum AVPixelFormat ff_get_pixfmt_from_fb_varinfo(struct fb_var_screeninfo *varinfo);
#endif /* AVDEVICE_FBDEV_COMMON_H */

38
libavdevice/fbdev_dec.c
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@ -41,41 +41,9 @@
#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;
}
#include "avdevice.h"
#include "fbdev_common.h"
typedef struct {
AVClass *class; ///< class for private options
@ -131,7 +99,7 @@ static av_cold int fbdev_read_header(AVFormatContext *avctx)
goto fail;
}
pix_fmt = get_pixfmt_from_fb_varinfo(&fbdev->varinfo);
pix_fmt = ff_get_pixfmt_from_fb_varinfo(&fbdev->varinfo);
if (pix_fmt == AV_PIX_FMT_NONE) {
ret = AVERROR(EINVAL);
av_log(avctx, AV_LOG_ERROR,

38
libavdevice/fbdev_enc.c
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@ -28,6 +28,7 @@
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavformat/avformat.h"
#include "fbdev_common.h"
typedef struct {
AVClass *class; ///< class for private options
@ -40,39 +41,6 @@ typedef struct {
uint8_t *data; ///< framebuffer data
} FBDevContext;
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;
}
static av_cold int fbdev_write_header(AVFormatContext *h)
{
FBDevContext *fbdev = h->priv_data;
@ -116,7 +84,7 @@ static av_cold int fbdev_write_header(AVFormatContext *h)
goto fail;
}
pix_fmt = get_pixfmt_from_fb_varinfo(&fbdev->varinfo);
pix_fmt = ff_get_pixfmt_from_fb_varinfo(&fbdev->varinfo);
if (pix_fmt == AV_PIX_FMT_NONE) {
ret = AVERROR(EINVAL);
av_log(h, AV_LOG_ERROR, "Framebuffer pixel format not supported.\n");
@ -157,7 +125,7 @@ static int fbdev_write_packet(AVFormatContext *h, AVPacket *pkt)
av_log(h, AV_LOG_WARNING,
"Error refreshing variable info: %s\n", av_err2str(AVERROR(errno)));
fb_pix_fmt = get_pixfmt_from_fb_varinfo(&fbdev->varinfo);
fb_pix_fmt = ff_get_pixfmt_from_fb_varinfo(&fbdev->varinfo);
if (fb_pix_fmt != video_pix_fmt) {
av_log(h, AV_LOG_ERROR, "Pixel format %s is not supported, use %s\n",

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