oggparsetheora: K&R cosmetics, reformat

Also typedef the private data struct and make its name consistent with
the rest of Libav.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

libavformat/oggparsetheora.c

 /**
-      Copyright (C) 2005  Matthieu CASTET, Alex Beregszaszi
-
-      Permission is hereby granted, free of charge, to any person
-      obtaining a copy of this software and associated documentation
-      files (the "Software"), to deal in the Software without
-      restriction, including without limitation the rights to use, copy,
-      modify, merge, publish, distribute, sublicense, and/or sell copies
-      of the Software, and to permit persons to whom the Software is
-      furnished to do so, subject to the following conditions:
-
-      The above copyright notice and this permission notice shall be
-      included in all copies or substantial portions of the Software.
-
-      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-      EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-      MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-      NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-      HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-      WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-      OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-      DEALINGS IN THE SOFTWARE.
-**/
+ *    Copyright (C) 2005  Matthieu CASTET, Alex Beregszaszi
+ *
+ *    Permission is hereby granted, free of charge, to any person
+ *    obtaining a copy of this software and associated documentation
+ *    files (the "Software"), to deal in the Software without
+ *    restriction, including without limitation the rights to use, copy,
+ *    modify, merge, publish, distribute, sublicense, and/or sell copies
+ *    of the Software, and to permit persons to whom the Software is
+ *    furnished to do so, subject to the following conditions:
+ *
+ *    The above copyright notice and this permission notice shall be
+ *    included in all copies or substantial portions of the Software.
+ *
+ *    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ *    DEALINGS IN THE SOFTWARE.
+ **/
 
 #include <stdlib.h>
 #include "libavutil/bswap.h"
@@ -29,26 +29,26 @@
 #include "internal.h"
 #include "oggdec.h"
 
-struct theora_params {
+typedef struct TheoraParams {
     int gpshift;
     int gpmask;
     unsigned version;
-};
+} TheoraParams;
 
-static int
-theora_header (AVFormatContext * s, int idx)
+static int theora_header(AVFormatContext *s, int idx)
 {
-    struct ogg *ogg = s->priv_data;
+    struct ogg *ogg       = s->priv_data;
     struct ogg_stream *os = ogg->streams + idx;
-    AVStream *st = s->streams[idx];
-    struct theora_params *thp = os->private;
-    int cds = st->codec->extradata_size + os->psize + 2, err;
+    AVStream *st          = s->streams[idx];
+    TheoraParams *thp     = os->private;
+    int cds               = st->codec->extradata_size + os->psize + 2;
+    int err;
     uint8_t *cdp;
 
-    if(!(os->buf[os->pstart] & 0x80))
+    if (!(os->buf[os->pstart] & 0x80))
         return 0;
 
-    if(!thp){
+    if (!thp) {
         thp = av_mallocz(sizeof(*thp));
         os->private = thp;
     }
@@ -59,15 +59,15 @@ theora_header (AVFormatContext * s, int idx)
         int width, height;
         AVRational timebase;
 
-        init_get_bits(&gb, os->buf + os->pstart, os->psize*8);
+        init_get_bits(&gb, os->buf + os->pstart, os->psize * 8);
 
-        skip_bits_long(&gb, 7*8); /* 0x80"theora" */
+        /* 0x80"theora" */
+        skip_bits_long(&gb, 7 * 8);
 
         thp->version = get_bits_long(&gb, 24);
-        if (thp->version < 0x030100)
-        {
+        if (thp->version < 0x030100) {
             av_log(s, AV_LOG_ERROR,
-                "Too old or unsupported Theora (%x)\n", thp->version);
+                   "Too old or unsupported Theora (%x)\n", thp->version);
             return -1;
         }
 
@@ -81,12 +81,13 @@ theora_header (AVFormatContext * s, int idx)
         if (thp->version >= 0x030200) {
             width  = get_bits_long(&gb, 24);
             height = get_bits_long(&gb, 24);
-            if (   width  <= st->codec->width  && width  > st->codec->width-16
-                && height <= st->codec->height && height > st->codec->height-16)
+            if (width  <= st->codec->width  && width  > st->codec->width  - 16 &&
+                height <= st->codec->height && height > st->codec->height - 16)
                 avcodec_set_dimensions(st->codec, width, height);
 
             skip_bits(&gb, 16);
         }
+
         timebase.den = get_bits_long(&gb, 32);
         timebase.num = get_bits_long(&gb, 32);
         if (!(timebase.num > 0 && timebase.den > 0)) {
@@ -105,12 +106,11 @@ theora_header (AVFormatContext * s, int idx)
             skip_bits(&gb, 2);
 
         thp->gpshift = get_bits(&gb, 5);
-        thp->gpmask = (1 << thp->gpshift) - 1;
+        thp->gpmask  = (1 << thp->gpshift) - 1;
 
         st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-        st->codec->codec_id = AV_CODEC_ID_THEORA;
-        st->need_parsing = AVSTREAM_PARSE_HEADERS;
-
+        st->codec->codec_id   = AV_CODEC_ID_THEORA;
+        st->need_parsing      = AVSTREAM_PARSE_HEADERS;
     }
     break;
     case 0x81:
@@ -128,21 +128,21 @@ theora_header (AVFormatContext * s, int idx)
         st->codec->extradata_size = 0;
         return err;
     }
-    cdp = st->codec->extradata + st->codec->extradata_size;
+    cdp    = st->codec->extradata + st->codec->extradata_size;
     *cdp++ = os->psize >> 8;
     *cdp++ = os->psize & 0xff;
-    memcpy (cdp, os->buf + os->pstart, os->psize);
+    memcpy(cdp, os->buf + os->pstart, os->psize);
     st->codec->extradata_size = cds;
 
     return 1;
 }
 
-static uint64_t
-theora_gptopts(AVFormatContext *ctx, int idx, uint64_t gp, int64_t *dts)
+static uint64_t theora_gptopts(AVFormatContext *ctx, int idx, uint64_t gp,
+                               int64_t *dts)
 {
-    struct ogg *ogg = ctx->priv_data;
+    struct ogg *ogg       = ctx->priv_data;
     struct ogg_stream *os = ogg->streams + idx;
-    struct theora_params *thp = os->private;
+    TheoraParams *thp     = os->private;
     uint64_t iframe, pframe;
 
     if (!thp)
@@ -154,7 +154,7 @@ theora_gptopts(AVFormatContext *ctx, int idx, uint64_t gp, int64_t *dts)
     if (thp->version < 0x030201)
         iframe++;
 
-    if(!pframe)
+    if (!pframe)
         os->pflags |= AV_PKT_FLAG_KEY;
 
     if (dts)
@@ -164,9 +164,9 @@ theora_gptopts(AVFormatContext *ctx, int idx, uint64_t gp, int64_t *dts)
 }
 
 const struct ogg_codec ff_theora_codec = {
-    .magic = "\200theora",
+    .magic     = "\200theora",
     .magicsize = 7,
-    .header = theora_header,
-    .gptopts = theora_gptopts,
+    .header    = theora_header,
+    .gptopts   = theora_gptopts,
     .nb_header = 3,
 };