lavd/fbdev: move common code to separate file

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>

5 files changed, 98 insertions, 72 deletions

diff --git a/libavdevice/Makefile b/libavdevice/Makefile
index cf6cac2..21ca954 100644
--- a/libavdevice/Makefile
+++ b/libavdevice/Makefile
@@ -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
diff --git a/libavdevice/fbdev_common.c b/libavdevice/fbdev_common.c
new file mode 100644
index 0000000..eb8f3d2
--- a/dev/null
+++ b/libavdevice/fbdev_common.c
@@ -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;
+}
diff --git a/libavdevice/fbdev_common.h b/libavdevice/fbdev_common.h
new file mode 100644
index 0000000..ecbb825
--- a/dev/null
+++ b/libavdevice/fbdev_common.h
@@ -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 */
diff --git a/libavdevice/fbdev_dec.c b/libavdevice/fbdev_dec.c
index b49052e..14ebab3 100644
--- a/libavdevice/fbdev_dec.c
+++ b/libavdevice/fbdev_dec.c
@@ -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,
diff --git a/libavdevice/fbdev_enc.c b/libavdevice/fbdev_enc.c
index be93093..9e76938 100644
--- a/libavdevice/fbdev_enc.c
+++ b/libavdevice/fbdev_enc.c
@@ -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",