diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 641e919a6b..2becee57ba 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -1452,6 +1452,7 @@ static int AC3_encode_frame(AVCodecContext *avctx,
 static int AC3_encode_close(AVCodecContext *avctx)
 {
     av_freep(&avctx->coded_frame);
+    return 0;
 }
 
 #if 0
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index a00b0580e3..9ab0bdbdf0 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -43,70 +43,70 @@ typedef struct PixFmtInfo {
 static PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
     /* YUV formats */
     [PIX_FMT_YUV420P] = {
-        name: "yuv420p",
-        nb_components: 3, is_yuv: 1,
-        x_chroma_shift: 1, y_chroma_shift: 1, 
+        .name = "yuv420p",
+        .nb_components = 3, .is_yuv = 1,
+        .x_chroma_shift = 1, .y_chroma_shift = 1, 
     },
     [PIX_FMT_YUV422P] = {
-        name: "yuv422p",
-        nb_components: 3, is_yuv: 1,
-        x_chroma_shift: 1, y_chroma_shift: 0, 
+        .name = "yuv422p",
+        .nb_components = 3, .is_yuv = 1,
+        .x_chroma_shift = 1, .y_chroma_shift = 0, 
     },
     [PIX_FMT_YUV444P] = {
-        name: "yuv444p",
-        nb_components: 3, is_yuv: 1,
-        x_chroma_shift: 0, y_chroma_shift: 0, 
+        .name = "yuv444p",
+        .nb_components = 3, .is_yuv = 1,
+        .x_chroma_shift = 0, .y_chroma_shift = 0, 
     },
     [PIX_FMT_YUV422] = {
-        name: "yuv422",
-        nb_components: 1, is_yuv: 1, is_packed: 1,
-        x_chroma_shift: 1, y_chroma_shift: 0,
+        .name = "yuv422",
+        .nb_components = 1, .is_yuv = 1, .is_packed = 1,
+        .x_chroma_shift = 1, .y_chroma_shift = 0,
     },
     [PIX_FMT_YUV410P] = {
-        name: "yuv410p",
-        nb_components: 3, is_yuv: 1,
-        x_chroma_shift: 2, y_chroma_shift: 2,
+        .name = "yuv410p",
+        .nb_components = 3, .is_yuv = 1,
+        .x_chroma_shift = 2, .y_chroma_shift = 2,
     },
     [PIX_FMT_YUV411P] = {
-        name: "yuv411p",
-        nb_components: 3, is_yuv: 1,
-        x_chroma_shift: 2, y_chroma_shift: 0,
+        .name = "yuv411p",
+        .nb_components = 3, .is_yuv = 1,
+        .x_chroma_shift = 2, .y_chroma_shift = 0,
     },
 
     /* RGB formats */
     [PIX_FMT_RGB24] = {
-        name: "rgb24",
-        nb_components: 1, is_packed: 1,
+        .name = "rgb24",
+        .nb_components = 1, .is_packed = 1,
     },
     [PIX_FMT_BGR24] = {
-        name: "bgr24",
-        nb_components: 1, is_packed: 1,
+        .name = "bgr24",
+        .nb_components = 1, .is_packed = 1,
     },
     [PIX_FMT_RGBA32] = {
-        name: "rgba32",
-        nb_components: 1, is_packed: 1, is_alpha: 1,
+        .name = "rgba32",
+        .nb_components = 1, .is_packed = 1, .is_alpha = 1,
     },
     [PIX_FMT_RGB565] = {
-        name: "rgb565",
-        nb_components: 1, is_packed: 1,
+        .name = "rgb565",
+        .nb_components = 1, .is_packed = 1,
     },
     [PIX_FMT_RGB555] = {
-        name: "rgb555",
-        nb_components: 1, is_packed: 1, is_alpha : 1,
+        .name = "rgb555",
+        .nb_components = 1, .is_packed = 1, .is_alpha = 1,
     },
 
     /* gray / mono formats */
     [PIX_FMT_GRAY8] = {
-        name: "gray",
-        nb_components: 1, is_gray: 1,
+        .name = "gray",
+        .nb_components = 1, .is_gray = 1,
     },
     [PIX_FMT_MONOWHITE] = {
-        name: "monow",
-        nb_components: 1, is_packed: 1, is_gray: 1,
+        .name = "monow",
+        .nb_components = 1, .is_packed = 1, .is_gray = 1,
     },
     [PIX_FMT_MONOBLACK] = {
-        name: "monob",
-        nb_components: 1, is_packed: 1, is_gray: 1,
+        .name = "monob",
+        .nb_components = 1, .is_packed = 1, .is_gray = 1,
     },
 };
 
@@ -938,97 +938,97 @@ typedef struct ConvertEntry {
 static ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = {
     [PIX_FMT_YUV420P] = {
         [PIX_FMT_RGB555] = { 
-            convert: yuv420p_to_rgb555
+            .convert = yuv420p_to_rgb555
         },
         [PIX_FMT_RGB565] = { 
-            convert: yuv420p_to_rgb565
+            .convert = yuv420p_to_rgb565
         },
         [PIX_FMT_BGR24] = { 
-            convert: yuv420p_to_bgr24
+            .convert = yuv420p_to_bgr24
         },
         [PIX_FMT_RGB24] = { 
-            convert: yuv420p_to_rgb24
+            .convert = yuv420p_to_rgb24
         },
         [PIX_FMT_RGBA32] = { 
-            convert: yuv420p_to_rgba32
+            .convert = yuv420p_to_rgba32
         },
     },
     [PIX_FMT_YUV422P] = {
         [PIX_FMT_RGB555] = { 
-            convert: yuv422p_to_rgb555
+            .convert = yuv422p_to_rgb555
         },
         [PIX_FMT_RGB565] = { 
-            convert: yuv422p_to_rgb565
+            .convert = yuv422p_to_rgb565
         },
         [PIX_FMT_BGR24] = { 
-            convert: yuv422p_to_bgr24
+            .convert = yuv422p_to_bgr24
         },
         [PIX_FMT_RGB24] = { 
-            convert: yuv422p_to_rgb24
+            .convert = yuv422p_to_rgb24
         },
         [PIX_FMT_RGBA32] = { 
-            convert: yuv422p_to_rgba32
+            .convert = yuv422p_to_rgba32
         },
     },
     [PIX_FMT_YUV422] = { 
         [PIX_FMT_YUV420P] = { 
-            convert: yuv422_to_yuv420p,
+            .convert = yuv422_to_yuv420p,
         },
     },
 
     [PIX_FMT_RGB24] = {
         [PIX_FMT_YUV420P] = { 
-            convert: rgb24_to_yuv420p
+            .convert = rgb24_to_yuv420p
         },
         [PIX_FMT_RGB565] = { 
-            convert: rgb24_to_rgb565
+            .convert = rgb24_to_rgb565
         },
         [PIX_FMT_RGB555] = { 
-            convert: rgb24_to_rgb555
+            .convert = rgb24_to_rgb555
         },
         [PIX_FMT_GRAY8] = { 
-            convert: rgb24_to_gray
+            .convert = rgb24_to_gray
         },
     },
     [PIX_FMT_RGBA32] = {
         [PIX_FMT_YUV420P] = { 
-            convert: rgba32_to_yuv420p
+            .convert = rgba32_to_yuv420p
         },
     },
     [PIX_FMT_BGR24] = {
         [PIX_FMT_YUV420P] = { 
-            convert: bgr24_to_yuv420p
+            .convert = bgr24_to_yuv420p
         },
     },
     [PIX_FMT_RGB555] = {
         [PIX_FMT_YUV420P] = { 
-            convert: rgb555_to_yuv420p
+            .convert = rgb555_to_yuv420p
         },
     },
     [PIX_FMT_RGB565] = {
         [PIX_FMT_YUV420P] = { 
-            convert: rgb565_to_yuv420p
+            .convert = rgb565_to_yuv420p
         },
     },
     [PIX_FMT_GRAY8] = {
         [PIX_FMT_RGB24] = { 
-            convert: gray_to_rgb24
+            .convert = gray_to_rgb24
         },
         [PIX_FMT_MONOWHITE] = { 
-            convert: gray_to_monowhite
+            .convert = gray_to_monowhite
         },
         [PIX_FMT_MONOBLACK] = { 
-            convert: gray_to_monoblack
+            .convert = gray_to_monoblack
         },
     },
     [PIX_FMT_MONOWHITE] = {
         [PIX_FMT_GRAY8] = { 
-            convert: monowhite_to_gray
+            .convert = monowhite_to_gray
         },
     },
     [PIX_FMT_MONOBLACK] = {
         [PIX_FMT_GRAY8] = { 
-            convert: monoblack_to_gray
+            .convert = monoblack_to_gray
         },
     },
 };
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c
index 35c0981f4c..1f25772615 100644
--- a/libavcodec/motion_est.c
+++ b/libavcodec/motion_est.c
@@ -302,7 +302,7 @@ static void set_cmp(MpegEncContext *s, me_cmp_func *cmp, int type){
     default:
         fprintf(stderr,"internal error in cmp function selection\n");
     }
-};
+}
 
 static inline int get_penalty_factor(MpegEncContext *s, int type){
     switch(type&0xFF){
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index b2c0966aa0..6b2f004a3b 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -507,7 +507,7 @@ static int decode_init(AVCodecContext * avctx)
     return 0;
 }
 
-/* tab[i][j] = 1.0 / (2.0 * cos(pi*(2*k+1) / 2^(6 - j))) */;
+/* tab[i][j] = 1.0 / (2.0 * cos(pi*(2*k+1) / 2^(6 - j))) */
 
 /* cos(i*pi/64) */
 
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 4bea024dda..882672ba46 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -291,7 +291,7 @@ static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){
         r= s->avctx->get_buffer(s->avctx, (AVFrame*)pic);
         
         if(r<0 || !pic->age || !pic->type || !pic->data[0]){
-            fprintf(stderr, "get_buffer() failed (%d %d %d %X)\n", r, pic->age, pic->type, (int)pic->data[0]);
+            fprintf(stderr, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]);
             return -1;
         }
 
diff --git a/libavcodec/pcm.c b/libavcodec/pcm.c
index 811264b550..48adccf2d2 100644
--- a/libavcodec/pcm.c
+++ b/libavcodec/pcm.c
@@ -363,7 +363,7 @@ AVCodec name ## _decoder = {                    \
     NULL,                                       \
     NULL,                                       \
     pcm_decode_frame,                           \
-};
+}
 
 PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
 PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);