nuv: K&R formatting cosmetics

libavcodec/nuv.c

@@ -18,6 +18,7 @@
  * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
+
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -34,7 +35,7 @@ typedef struct {
     int quality;
     int width, height;
     unsigned int decomp_size;
-    unsigned char* decomp_buf;
+    unsigned char *decomp_buf;
     uint32_t lq[64], cq[64];
     RTJpegContext rtj;
     DSPContext dsp;
@@ -69,8 +70,8 @@ static const uint8_t fallback_cquant[] = {
  * @param width width of the video frame
  * @param height height of the video frame
  */
-static void copy_frame(AVFrame *f, const uint8_t *src,
-                       int width, int height) {
+static void copy_frame(AVFrame *f, const uint8_t *src, int width, int height)
+{
     AVPicture pic;
     avpicture_fill(&pic, src, PIX_FMT_YUV420P, width, height);
     av_picture_copy((AVPicture *)f, &pic, PIX_FMT_YUV420P, width, height);
@@ -79,8 +80,9 @@ static void copy_frame(AVFrame *f, const uint8_t *src,
 /**
  * @brief extract quantization tables from codec data into our context
  */
-static int get_quant(AVCodecContext *avctx, NuvContext *c,
-                     const uint8_t *buf, int size) {
+static int get_quant(AVCodecContext *avctx, NuvContext *c, const uint8_t *buf,
+                     int size)
+{
     int i;
     if (size < 2 * 64 * 4) {
         av_log(avctx, AV_LOG_ERROR, "insufficient rtjpeg quant data\n");
@@ -96,7 +98,8 @@ static int get_quant(AVCodecContext *avctx, NuvContext *c,
 /**
  * @brief set quantization tables from a quality value
  */
-static void get_quant_quality(NuvContext *c, int quality) {
+static void get_quant_quality(NuvContext *c, int quality)
+{
     int i;
     quality = FFMAX(quality, 1);
     for (i = 0; i < 64; i++) {
@@ -105,7 +108,9 @@ static void get_quant_quality(NuvContext *c, int quality) {
     }
 }
 
-static int codec_reinit(AVCodecContext *avctx, int width, int height, int quality) {
+static int codec_reinit(AVCodecContext *avctx, int width, int height,
+                        int quality)
+{
     NuvContext *c = avctx->priv_data;
     width  = FFALIGN(width,  2);
     height = FFALIGN(height, 2);
@@ -116,19 +121,25 @@ static int codec_reinit(AVCodecContext *avctx, int width, int height, int qualit
             return 0;
         avctx->width  = c->width  = width;
         avctx->height = c->height = height;
-        av_fast_malloc(&c->decomp_buf, &c->decomp_size, c->height * c->width * 3 / 2);
+        av_fast_malloc(&c->decomp_buf, &c->decomp_size,
+                       c->height * c->width * 3 / 2);
         if (!c->decomp_buf) {
-            av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
+            av_log(avctx, AV_LOG_ERROR,
+                   "Can't allocate decompression buffer.\n");
             return 0;
         }
-        ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
+        ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height,
+                              c->lq, c->cq);
     } else if (quality != c->quality)
-        ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
+        ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height,
+                              c->lq, c->cq);
+
     return 1;
 }
 
 static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
-                        AVPacket *avpkt) {
+                        AVPacket *avpkt)
+{
     const uint8_t *buf = avpkt->data;
     int buf_size       = avpkt->size;
     NuvContext *c      = avctx->priv_data;
@@ -136,9 +147,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     int orig_size      = buf_size;
     int keyframe;
     int result;
-    enum {NUV_UNCOMPRESSED = '0', NUV_RTJPEG = '1',
-          NUV_RTJPEG_IN_LZO = '2', NUV_LZO = '3',
-          NUV_BLACK = 'N', NUV_COPY_LAST = 'L'} comptype;
+    enum {
+        NUV_UNCOMPRESSED  = '0',
+        NUV_RTJPEG        = '1',
+        NUV_RTJPEG_IN_LZO = '2',
+        NUV_LZO           = '3',
+        NUV_BLACK         = 'N',
+        NUV_COPY_LAST     = 'L'
+    } comptype;
 
     if (buf_size < 12) {
         av_log(avctx, AV_LOG_ERROR, "coded frame too small\n");
@@ -154,7 +170,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
         ret       = get_quant(avctx, c, buf, buf_size);
         if (ret < 0)
             return ret;
-        ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
+        ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq,
+                              c->cq);
         return orig_size;
     }
 
@@ -166,11 +183,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     switch (comptype) {
     case NUV_RTJPEG_IN_LZO:
     case NUV_RTJPEG:
-            keyframe = !buf[2]; break;
+        keyframe = !buf[2];
+        break;
     case NUV_COPY_LAST:
-            keyframe = 0; break;
+        keyframe = 0;
+        break;
     default:
-            keyframe = 1; break;
+        keyframe = 1;
+        break;
     }
     // skip rest of the frameheader.
     buf       = &buf[12];
@@ -224,20 +244,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
         break;
     }
     case NUV_RTJPEG_IN_LZO:
-        case NUV_RTJPEG: {
+    case NUV_RTJPEG:
         ff_rtjpeg_decode_frame_yuv420(&c->rtj, &c->pic, buf, buf_size);
         break;
-        }
-        case NUV_BLACK: {
+    case NUV_BLACK:
         memset(c->pic.data[0], 0, c->width * c->height);
         memset(c->pic.data[1], 128, c->width * c->height / 4);
         memset(c->pic.data[2], 128, c->width * c->height / 4);
         break;
-        }
-        case NUV_COPY_LAST: {
+    case NUV_COPY_LAST:
         /* nothing more to do here */
         break;
-        }
     default:
         av_log(avctx, AV_LOG_ERROR, "unknown compression\n");
         return -1;
@@ -248,7 +265,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     return orig_size;
 }
 
-static av_cold int decode_init(AVCodecContext *avctx) {
+static av_cold int decode_init(AVCodecContext *avctx)
+{
     NuvContext *c  = avctx->priv_data;
     avctx->pix_fmt = PIX_FMT_YUV420P;
     c->pic.data[0] = NULL;
@@ -256,20 +274,28 @@ static av_cold int decode_init(AVCodecContext *avctx) {
     c->quality     = -1;
     c->width       = 0;
     c->height      = 0;
+
     c->codec_frameheader = avctx->codec_tag == MKTAG('R', 'J', 'P', 'G');
+
     if (avctx->extradata_size)
         get_quant(avctx, c, avctx->extradata, avctx->extradata_size);
+
     ff_dsputil_init(&c->dsp, avctx);
+
     if (!codec_reinit(avctx, avctx->width, avctx->height, -1))
         return 1;
+
     return 0;
 }
 
-static av_cold int decode_end(AVCodecContext *avctx) {
+static av_cold int decode_end(AVCodecContext *avctx)
+{
     NuvContext *c = avctx->priv_data;
+
     av_freep(&c->decomp_buf);
     if (c->pic.data[0])
         avctx->release_buffer(avctx, &c->pic);
+
     return 0;
 }