Merge commit '74a9a624'

* commit '74a9a624':
  vcr1: return a meaningful error code.
  rpza: return a meaningful error code.
  qdrw: cosmetics, reformat

Conflicts:
	libavcodec/qdrw.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/qdrw.c

@@ -29,7 +29,7 @@
 #include "avcodec.h"
 #include "internal.h"
 
-typedef struct QdrawContext{
+typedef struct QdrawContext {
     AVCodecContext *avctx;
     AVFrame pic;
 } QdrawContext;
@@ -49,16 +49,16 @@ static int decode_frame(AVCodecContext *avctx,
     uint32_t *pal;
     int r, g, b;
 
-    if(p->data[0])
+    if (p->data[0])
         avctx->release_buffer(avctx, p);
 
-    p->reference= 0;
+    p->reference = 0;
     if ((ret = ff_get_buffer(avctx, p)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
     }
-    p->pict_type= AV_PICTURE_TYPE_I;
-    p->key_frame= 1;
+    p->pict_type = AV_PICTURE_TYPE_I;
+    p->key_frame = 1;
 
     outdata = a->pic.data[0];
 
@@ -68,7 +68,7 @@ static int decode_frame(AVCodecContext *avctx,
     colors = AV_RB32(buf);
     buf   += 4;
 
-    if(colors < 0 || colors > 256) {
+    if (colors < 0 || colors > 256) {
         av_log(avctx, AV_LOG_ERROR, "Error color count - %i(0x%X)\n", colors, colors);
         return AVERROR_INVALIDDATA;
     }
@@ -146,7 +146,8 @@ static int decode_frame(AVCodecContext *avctx,
     return buf_size;
 }
 
-static av_cold int decode_init(AVCodecContext *avctx){
+static av_cold int decode_init(AVCodecContext *avctx)
+{
     QdrawContext * const a = avctx->priv_data;
 
     avcodec_get_frame_defaults(&a->pic);
@@ -155,7 +156,8 @@ static av_cold int decode_init(AVCodecContext *avctx){
     return 0;
 }
 
-static av_cold int decode_end(AVCodecContext *avctx){
+static av_cold int decode_end(AVCodecContext *avctx)
+{
     QdrawContext * const a = avctx->priv_data;
     AVFrame *pic = &a->pic;
 

libavcodec/rpza.c

@@ -251,15 +251,16 @@ static int rpza_decode_frame(AVCodecContext *avctx,
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     RpzaContext *s = avctx->priv_data;
+    int ret;
 
     s->buf = buf;
     s->size = buf_size;
 
     s->frame.reference = 3;
     s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
-    if (avctx->reget_buffer(avctx, &s->frame)) {
+    if ((ret = avctx->reget_buffer(avctx, &s->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
-        return -1;
+        return ret;
     }
 
     rpza_decode_stream(s);

libavcodec/vcr1.c

@@ -77,7 +77,7 @@ static int vcr1_decode_frame(AVCodecContext *avctx, void *data,
     AVFrame *picture          = data;
     AVFrame *const p          = &a->picture;
     const uint8_t *bytestream = buf;
-    int i, x, y;
+    int i, x, y, ret;
 
     if (p->data[0])
         avctx->release_buffer(avctx, p);
@@ -88,9 +88,9 @@ static int vcr1_decode_frame(AVCodecContext *avctx, void *data,
     }
 
     p->reference = 0;
-    if (ff_get_buffer(avctx, p) < 0) {
+    if ((ret = ff_get_buffer(avctx, p)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
-        return -1;
+        return ret;
     }
     p->pict_type = AV_PICTURE_TYPE_I;
     p->key_frame = 1;