Merge remote-tracking branch 'qatar/master'

* qatar/master:
  cosmetics: Consistently use C-style comments with multiple inclusion guards
  anm: fix a few Doxygen comments
  misc typo and wording fixes
  attributes: add av_noreturn
  attributes: drop pointless define guards
  configure: do not disable av_always_inline with --enable-small
  flvdec: initial stream switch support
  avplay: fix write on freed memory for rawvideo
  snow: remove a VLA used for edge emulation
  x86: lavfi: fix gradfun/yadif build with mmx/sse disabled
  snow: remove the runs[] VLA.
  snow: Check mallocs at init
  flacdec: remove redundant setting of avctx->sample_fmt

Conflicts:
	ffplay.c
	libavcodec/h264.c
	libavcodec/snow.c
	libavcodec/snow.h
	libavcodec/snowdec.c
	libavcodec/snowenc.c
	libavformat/flvdec.c
	libavutil/attributes.h
	tools/patcheck

Merged-by: Michael Niedermayer <michaelni@gmx.at>

24 files changed, 185 insertions, 100 deletions

diff --git a/cmdutils.h b/cmdutils.h
index d26089cca4..925df5014e 100644
--- a/cmdutils.h
+++ b/cmdutils.h
@@ -376,7 +376,7 @@ FILE *get_preset_file(char *filename, size_t filename_size,
  * Do all the necessary cleanup and abort.
  * This function is implemented in the avtools, not cmdutils.
  */
-void exit_program(int ret);
+av_noreturn void exit_program(int ret);
 
 /**
  * Realloc array to hold new_size elements of elem_size.
diff --git a/configure b/configure
index cb8a04d2bb..d0f13b9a97 100755
--- a/configure
+++ b/configure
@@ -3856,15 +3856,6 @@ test -n "$assert_level" &&
 test -n "$malloc_prefix" &&
     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
 
-if enabled small || disabled optimizations; then
-    echo "#undef  av_always_inline"  >> $TMPH
-    if enabled small; then
-        echo "#define av_always_inline inline"  >> $TMPH
-    else
-        echo "#define av_always_inline av_unused"  >> $TMPH
-    fi
-fi
-
 if enabled yasm; then
     append config_files $TMPASM
     printf '' >$TMPASM
diff --git a/ffplay.c b/ffplay.c
index a879471bbe..6668007fd6 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -1632,6 +1632,7 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
 
 static int video_thread(void *arg)
 {
+    AVPacket pkt = { 0 };
     VideoState *is = arg;
     AVFrame *frame = avcodec_alloc_frame();
     int64_t pts_int = AV_NOPTS_VALUE, pos = -1;
@@ -1655,7 +1656,6 @@ static int video_thread(void *arg)
 #endif
 
     for (;;) {
-        AVPacket pkt;
 #if CONFIG_AVFILTER
         AVFilterBufferRef *picref;
         AVRational tb;
@@ -1664,14 +1664,14 @@ static int video_thread(void *arg)
             SDL_Delay(10);
 
         avcodec_get_frame_defaults(frame);
+        av_free_packet(&pkt);
+
         ret = get_video_frame(is, frame, &pts_int, &pkt);
         if (ret < 0)
             goto the_end;
 
-        if (!ret) {
-            av_free_packet(&pkt);
+        if (!ret)
             continue;
-        }
 
 #if CONFIG_AVFILTER
         if (   last_w != is->video_st->codec->width
@@ -1766,6 +1766,7 @@ static int video_thread(void *arg)
     av_freep(&vfilters);
     avfilter_graph_free(&graph);
 #endif
+    av_free_packet(&pkt);
     av_free(frame);
     return 0;
 }
diff --git a/libavcodec/anm.c b/libavcodec/anm.c
index d3f9d095b2..7fdfc94d0f 100644
--- a/libavcodec/anm.c
+++ b/libavcodec/anm.c
@@ -56,8 +56,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
 /**
  * Perform decode operation
- * @param dst, dst_end Destination image buffer
- * @param gb, GetByteContext (optional, see below)
+ * @param dst     pointer to destination image buffer
+ * @param dst_end pointer to end of destination image buffer
+ * @param gb GetByteContext (optional, see below)
  * @param pixel Fill color (optional, see below)
  * @param count Pixel count
  * @param x Pointer to x-axis counter
@@ -66,8 +67,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
  * @return non-zero if destination buffer is exhausted
  *
  * a copy operation is achieved when 'gb' is set
- * a fill operation is acheived when 'gb' is null and pixel is >= 0
- * a skip operation is acheived when 'gb' is null and pixel is < 0
+ * a fill operation is achieved when 'gb' is null and pixel is >= 0
+ * a skip operation is achieved when 'gb' is null and pixel is < 0
  */
 static inline int op(uint8_t **dst, const uint8_t *dst_end,
                      GetByteContext *gb,
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index e1aefe1eb6..c1397980f9 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -552,9 +552,9 @@ typedef struct DSPContext {
      * @param src  source array
      *             constraints: 16-byte aligned
      * @param min  minimum value
-     *             constraints: must in the the range [-(1<<24), 1<<24]
+     *             constraints: must be in the range [-(1 << 24), 1 << 24]
      * @param max  maximum value
-     *             constraints: must in the the range [-(1<<24), 1<<24]
+     *             constraints: must be in the range [-(1 << 24), 1 << 24]
      * @param len  number of elements in the array
      *             constraints: multiple of 32 greater than zero
      */
diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index 82c4e807dd..02ed463eb3 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -108,8 +108,6 @@ static av_cold int flac_decode_init(AVCodecContext *avctx)
     FLACContext *s = avctx->priv_data;
     s->avctx = avctx;
 
-    avctx->sample_fmt = AV_SAMPLE_FMT_S16;
-
     /* for now, the raw FLAC header is allowed to be passed to the decoder as
        frame data instead of extradata. */
     if (!avctx->extradata)
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 0958c09fc6..5cf8d54f51 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1737,7 +1737,7 @@ static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y,
     }
 
     top_border = h->top_borders[top_idx][s->mb_x];
-    /* There are two lines saved, the line above the the top macroblock
+    /* There are two lines saved, the line above the top macroblock
      * of a pair, and the line above the bottom macroblock. */
     AV_COPY128(top_border, src_y + 16 * linesize);
     if (pixel_shift)
@@ -4443,7 +4443,7 @@ again:
                 init_get_bits(&s->gb, ptr, bit_length);
                 if (ff_h264_decode_seq_parameter_set(h) < 0 && (h->is_avc ? (nalsize != consumed) && nalsize : 1)) {
                     av_log(h->s.avctx, AV_LOG_DEBUG,
-                           "SPS decoding failure, trying alternative mode\n");
+                           "SPS decoding failure, trying again with the complete NAL\n");
                     if (h->is_avc)
                         av_assert0(next_avc - buf_index + consumed == nalsize);
                     init_get_bits(&s->gb, &buf[buf_index + 1 - consumed],
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 309e1bf040..04072501ad 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -394,7 +394,8 @@ mca( 8, 8,8)
 av_cold int ff_snow_common_init(AVCodecContext *avctx){
     SnowContext *s = avctx->priv_data;
     int width, height;
-    int i, j;
+    int i, j, ret;
+    int emu_buf_size;
 
     s->avctx= avctx;
     s->max_ref_frames=1; //just make sure its not an invalid value in case of no initial keyframe
@@ -447,19 +448,27 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){
     width= s->avctx->width;
     height= s->avctx->height;
 
-    s->spatial_idwt_buffer= av_mallocz(width*height*sizeof(IDWTELEM));
-    s->spatial_dwt_buffer= av_mallocz(width*height*sizeof(DWTELEM)); //FIXME this does not belong here
-    s->temp_dwt_buffer = av_mallocz(width * sizeof(DWTELEM));
-    s->temp_idwt_buffer = av_mallocz(width * sizeof(IDWTELEM));
+    FF_ALLOCZ_OR_GOTO(avctx, s->spatial_idwt_buffer, width * height * sizeof(IDWTELEM), fail);
+    FF_ALLOCZ_OR_GOTO(avctx, s->spatial_dwt_buffer,  width * height * sizeof(DWTELEM),  fail); //FIXME this does not belong here
+    FF_ALLOCZ_OR_GOTO(avctx, s->temp_dwt_buffer,     width * sizeof(DWTELEM),  fail);
+    FF_ALLOCZ_OR_GOTO(avctx, s->temp_idwt_buffer,    width * sizeof(IDWTELEM), fail);
+    FF_ALLOC_OR_GOTO(avctx,  s->run_buffer,          ((width + 1) >> 1) * ((height + 1) >> 1) * sizeof(*s->run_buffer), fail);
 
     for(i=0; i<MAX_REF_FRAMES; i++)
         for(j=0; j<MAX_REF_FRAMES; j++)
             ff_scale_mv_ref[i][j] = 256*(i+1)/(j+1);
 
-    s->avctx->get_buffer(s->avctx, &s->mconly_picture);
-    s->scratchbuf = av_mallocz(s->mconly_picture.linesize[0]*7*MB_SIZE);
+    if ((ret = s->avctx->get_buffer(s->avctx, &s->mconly_picture)) < 0) {
+//         av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+//         return ret;
+    }
+    FF_ALLOCZ_OR_GOTO(avctx, s->scratchbuf, FFMAX(s->mconly_picture.linesize[0], 2*width+256)*7*MB_SIZE, fail);
+    emu_buf_size = FFMAX(s->mconly_picture.linesize[0], 2*width+256) * (2 * MB_SIZE + HTAPS_MAX - 1);
+    FF_ALLOC_OR_GOTO(avctx, s->emu_edge_buffer, emu_buf_size, fail);
 
     return 0;
+fail:
+    return AVERROR(ENOMEM);
 }
 
 int ff_snow_common_init_after_header(AVCodecContext *avctx) {
@@ -632,6 +641,7 @@ av_cold void ff_snow_common_end(SnowContext *s)
     av_freep(&s->temp_dwt_buffer);
     av_freep(&s->spatial_idwt_buffer);
     av_freep(&s->temp_idwt_buffer);
+    av_freep(&s->run_buffer);
 
     s->m.me.temp= NULL;
     av_freep(&s->m.me.scratchpad);
@@ -641,6 +651,7 @@ av_cold void ff_snow_common_end(SnowContext *s)
 
     av_freep(&s->block);
     av_freep(&s->scratchbuf);
+    av_freep(&s->emu_edge_buffer);
 
     for(i=0; i<MAX_REF_FRAMES; i++){
         av_freep(&s->ref_mvs[i]);
diff --git a/libavcodec/snow.h b/libavcodec/snow.h
index c5d6492a9f..7e35b5f1be 100644
--- a/libavcodec/snow.h
+++ b/libavcodec/snow.h
@@ -135,6 +135,7 @@ typedef struct SnowContext{
     DWTELEM *temp_dwt_buffer;
     IDWTELEM *spatial_idwt_buffer;
     IDWTELEM *temp_idwt_buffer;
+    int *run_buffer;
     int colorspace_type;
     int chroma_h_shift;
     int chroma_v_shift;
@@ -165,7 +166,7 @@ typedef struct SnowContext{
     MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to eventually make the motion estimation independent of MpegEncContext, so this will be removed then (FIXME/XXX)
 
     uint8_t *scratchbuf;
-    int *runs;
+    uint8_t *emu_edge_buffer;
 }SnowContext;
 
 /* Tables */
diff --git a/libavcodec/snowdec.c b/libavcodec/snowdec.c
index 405166c5fe..11a54dca71 100644
--- a/libavcodec/snowdec.c
+++ b/libavcodec/snowdec.c
@@ -365,7 +365,12 @@ static int decode_header(SnowContext *s){
 
 static av_cold int decode_init(AVCodecContext *avctx)
 {
-    ff_snow_common_init(avctx);
+    int ret;
+
+    if ((ret = ff_snow_common_init(avctx)) < 0) {
+        ff_snow_common_end(avctx->priv_data);
+        return ret;
+    }
 
     return 0;
 }
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index 1a60dbf96d..d6dd58cc2c 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -156,7 +156,7 @@ static void dwt_quantize(SnowContext *s, Plane *p, DWTELEM *buffer, int width, i
 static av_cold int encode_init(AVCodecContext *avctx)
 {
     SnowContext *s = avctx->priv_data;
-    int plane_index;
+    int plane_index, ret;
 
     if(avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
         av_log(avctx, AV_LOG_ERROR, "This codec is under development, files encoded with it may not be decodable with future versions!!!\n"
@@ -185,7 +185,10 @@ static av_cold int encode_init(AVCodecContext *avctx)
         s->plane[plane_index].fast_mc= 1;
     }
 
-    ff_snow_common_init(avctx);
+    if ((ret = ff_snow_common_init(avctx)) < 0) {
+        ff_snow_common_end(avctx->priv_data);
+        return ret;
+    }
     ff_snow_alloc_blocks(s);
 
     s->version=0;
@@ -246,8 +249,6 @@ static av_cold int encode_init(AVCodecContext *avctx)
         }
     }
 
-    s->runs = av_malloc(avctx->width * avctx->height * sizeof(*s->runs));
-
     return 0;
 }
 
@@ -677,7 +678,7 @@ static int get_block_rd(SnowContext *s, int mb_x, int mb_y, int plane_index, uin
     uint8_t *src= s->  input_picture.data[plane_index];
     IDWTELEM *pred= (IDWTELEM*)s->m.obmc_scratchpad + plane_index*block_size*block_size*4;
     uint8_t *cur = s->scratchbuf;
-    uint8_t tmp[ref_stride*(2*MB_SIZE+HTAPS_MAX-1)];
+    uint8_t *tmp = s->emu_edge_buffer;
     const int b_stride = s->b_width << s->block_max_depth;
     const int b_height = s->b_height<< s->block_max_depth;
     const int w= p->width;
@@ -843,6 +844,7 @@ static int encode_subband_c0run(SnowContext *s, SubBand *b, const IDWTELEM *src,
 
     if(1){
         int run=0;
+        int *runs = s->run_buffer;
         int run_index=0;
         int max_index;
 
@@ -876,7 +878,7 @@ static int encode_subband_c0run(SnowContext *s, SubBand *b, const IDWTELEM *src,
                 }
                 if(!(/*ll|*/l|lt|t|rt|p)){
                     if(v){
-                        s->runs[run_index++]= run;
+                        runs[run_index++]= run;
                         run=0;
                     }else{
                         run++;
@@ -885,9 +887,9 @@ static int encode_subband_c0run(SnowContext *s, SubBand *b, const IDWTELEM *src,
             }
         }
         max_index= run_index;
-        s->runs[run_index++]= run;
+        runs[run_index++]= run;
         run_index=0;
-        run= s->runs[run_index++];
+        run= runs[run_index++];
 
         put_symbol2(&s->c, b->state[30], max_index, 0);
         if(run_index <= max_index)
@@ -931,7 +933,7 @@ static int encode_subband_c0run(SnowContext *s, SubBand *b, const IDWTELEM *src,
                     put_rac(&s->c, &b->state[0][context], !!v);
                 }else{
                     if(!run){
-                        run= s->runs[run_index++];
+                        run= runs[run_index++];
 
                         if(run_index <= max_index)
                             put_symbol2(&s->c, b->state[1], run, 3);
@@ -1909,7 +1911,6 @@ static av_cold int encode_end(AVCodecContext *avctx)
     if (s->input_picture.data[0])
         avctx->release_buffer(avctx, &s->input_picture);
     av_free(avctx->stats_out);
-    av_freep(&s->runs);
 
     return 0;
 }
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 275200f16b..8709230c24 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -41,7 +41,7 @@
 #define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
 
 /**
- * Those FF_API_* defines are not part of public API.
+ * These FF_API_* defines are not part of the public API.
  * They may change, break or disappear at any time.
  */
 #ifndef FF_API_REQUEST_CHANNELS
diff --git a/libavcodec/xvmc.h b/libavcodec/xvmc.h
index fdaea7eab7..b2bf518d0c 100644
--- a/libavcodec/xvmc.h
+++ b/libavcodec/xvmc.h
@@ -147,7 +147,7 @@ struct xvmc_pix_fmt {
     */
     int             filled_mv_blocks_num;
 
-    /** Number of the the next free data block; one data block consists of
+    /** Number of the next free data block; one data block consists of
         64 short values in the data_blocks array.
         All blocks before this one have already been claimed by placing their
         position into the corresponding block description structure field,
diff --git a/libavfilter/formats.h b/libavfilter/formats.h
index 1de10ca768..f884294cf0 100644
--- a/libavfilter/formats.h
+++ b/libavfilter/formats.h
@@ -221,4 +221,4 @@ void ff_formats_unref(AVFilterFormats **ref);
  */
 void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref);
 
-#endif // AVFILTER_FORMATS_H
+#endif /* AVFILTER_FORMATS_H */
diff --git a/libavfilter/version.h b/libavfilter/version.h
index 26b630f5af..6a4de3f7aa 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -41,7 +41,7 @@
 #define LIBAVFILTER_BUILD       LIBAVFILTER_VERSION_INT
 
 /**
- * Those FF_API_* defines are not part of public API.
+ * These FF_API_* defines are not part of the public API.
  * They may change, break or disappear at any time.
  */
 #ifndef FF_API_OLD_ALL_FORMATS_API
@@ -60,4 +60,4 @@
 #define FF_API_BUFFERSRC_BUFFER             (LIBAVFILTER_VERSION_MAJOR < 4)
 #endif
 
-#endif // AVFILTER_VERSION_H
+#endif /* AVFILTER_VERSION_H */
diff --git a/libavfilter/x86/gradfun.c b/libavfilter/x86/gradfun.c
index 7600539b6f..6511746a72 100644
--- a/libavfilter/x86/gradfun.c
+++ b/libavfilter/x86/gradfun.c
@@ -26,9 +26,9 @@
 DECLARE_ALIGNED(16, static const uint16_t, pw_7f)[8] = {0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F};
 DECLARE_ALIGNED(16, static const uint16_t, pw_ff)[8] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
 
+#if HAVE_MMX2
 static void gradfun_filter_line_mmx2(uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers)
 {
-#if HAVE_MMX2
     intptr_t x;
     if (width & 3) {
         x = width & ~3;
@@ -71,12 +71,12 @@ static void gradfun_filter_line_mmx2(uint8_t *dst, const uint8_t *src, const uin
          "rm"(thresh), "m"(*dithers), "m"(*pw_7f)
         :"memory"
     );
-#endif
 }
+#endif
 
+#if HAVE_SSSE3
 static void gradfun_filter_line_ssse3(uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers)
 {
-#if HAVE_SSSE3
     intptr_t x;
     if (width & 7) {
         // could be 10% faster if I somehow eliminated this
@@ -118,12 +118,12 @@ static void gradfun_filter_line_ssse3(uint8_t *dst, const uint8_t *src, const ui
          "rm"(thresh), "m"(*dithers), "m"(*pw_7f)
         :"memory"
     );
-#endif // HAVE_SSSE3
 }
+#endif // HAVE_SSSE3
 
+#if HAVE_SSE
 static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, const uint16_t *buf1, const uint8_t *src, int src_linesize, int width)
 {
-#if HAVE_SSE
 #define BLURV(load)\
     intptr_t x = -2*width;\
     __asm__ volatile(\
@@ -161,17 +161,23 @@ static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, const uint16_t *
     } else {
         BLURV("movdqa");
     }
-#endif // HAVE_SSE
 }
+#endif // HAVE_SSE
 
 av_cold void ff_gradfun_init_x86(GradFunContext *gf)
 {
     int cpu_flags = av_get_cpu_flags();
 
-    if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2)
+#if HAVE_MMX2
+    if (cpu_flags & AV_CPU_FLAG_MMX2)
         gf->filter_line = gradfun_filter_line_mmx2;
-    if (HAVE_SSSE3 && cpu_flags & AV_CPU_FLAG_SSSE3)
+#endif
+#if HAVE_SSSE3
+    if (cpu_flags & AV_CPU_FLAG_SSSE3)
         gf->filter_line = gradfun_filter_line_ssse3;
-    if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2)
+#endif
+#if HAVE_SSE
+    if (cpu_flags & AV_CPU_FLAG_SSE2)
         gf->blur_line = gradfun_blur_line_sse2;
+#endif
 }
diff --git a/libavfilter/x86/yadif.c b/libavfilter/x86/yadif.c
index 22799a3c5f..373d9b8c97 100644
--- a/libavfilter/x86/yadif.c
+++ b/libavfilter/x86/yadif.c
@@ -24,10 +24,6 @@
 #include "libavcodec/x86/dsputil_mmx.h"
 #include "libavfilter/yadif.h"
 
-static void yadif_filter_line_ssse3(uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int prefs, int mrefs, int parity, int mode);
-static void yadif_filter_line_sse2(uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int prefs, int mrefs, int parity, int mode);
-static void yadif_filter_line_mmx(uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int prefs, int mrefs, int parity, int mode);
-
 DECLARE_ASM_CONST(16, const xmm_reg, pb_1) = {0x0101010101010101ULL, 0x0101010101010101ULL};
 DECLARE_ASM_CONST(16, const xmm_reg, pw_1) = {0x0001000100010001ULL, 0x0001000100010001ULL};
 
@@ -57,10 +53,16 @@ av_cold void ff_yadif_init_x86(YADIFContext *yadif)
 {
     int cpu_flags = av_get_cpu_flags();
 
-    if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX)
+#if HAVE_MMX
+    if (cpu_flags & AV_CPU_FLAG_MMX)
         yadif->filter_line = yadif_filter_line_mmx;
-    if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2)
+#endif
+#if HAVE_SSE
+    if (cpu_flags & AV_CPU_FLAG_SSE2)
         yadif->filter_line = yadif_filter_line_sse2;
-    if (HAVE_SSSE3 && cpu_flags & AV_CPU_FLAG_SSSE3)
+#endif
+#if HAVE_SSSE3
+    if (cpu_flags & AV_CPU_FLAG_SSSE3)
         yadif->filter_line = yadif_filter_line_ssse3;
+#endif
 }
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index c5e4582913..302e7b687f 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -76,6 +76,59 @@ static AVStream *create_stream(AVFormatContext *s, int tag, int codec_type){
     avpriv_set_pts_info(st, 32, 1, 1000); /* 32 bit pts in ms */
     return st;
 }
+static int flv_same_audio_codec(AVCodecContext *acodec, int flags)
+{
+    int bits_per_coded_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8;
+    int flv_codecid = flags & FLV_AUDIO_CODECID_MASK;
+    int codec_id;
+
+    if (!acodec->codec_id && !acodec->codec_tag)
+        return 1;
+
+    if (acodec->bits_per_coded_sample != bits_per_coded_sample)
+        return 0;
+
+    switch(flv_codecid) {
+        //no distinction between S16 and S8 PCM codec flags
+    case FLV_CODECID_PCM:
+        codec_id = bits_per_coded_sample == 8 ? CODEC_ID_PCM_U8 :
+#if HAVE_BIGENDIAN
+                            CODEC_ID_PCM_S16BE;
+#else
+                            CODEC_ID_PCM_S16LE;
+#endif
+        return codec_id == acodec->codec_id;
+    case FLV_CODECID_PCM_LE:
+        codec_id = bits_per_coded_sample == 8 ? CODEC_ID_PCM_U8 : CODEC_ID_PCM_S16LE;
+        return codec_id == acodec->codec_id;
+    case FLV_CODECID_AAC:
+        return acodec->codec_id == CODEC_ID_AAC;
+    case FLV_CODECID_ADPCM:
+        return acodec->codec_id == CODEC_ID_ADPCM_SWF;
+    case FLV_CODECID_SPEEX:
+        return acodec->codec_id == CODEC_ID_SPEEX;
+    case FLV_CODECID_MP3:
+        return acodec->codec_id == CODEC_ID_MP3;
+    case FLV_CODECID_NELLYMOSER_8KHZ_MONO:
+        return acodec->sample_rate == 8000 &&
+               acodec->codec_id == CODEC_ID_NELLYMOSER;
+    case FLV_CODECID_NELLYMOSER_16KHZ_MONO:
+        return acodec->sample_rate == 16000 &&
+               acodec->codec_id == CODEC_ID_NELLYMOSER;
+    case FLV_CODECID_NELLYMOSER:
+        return acodec->codec_id == CODEC_ID_NELLYMOSER;
+    case FLV_CODECID_PCM_MULAW:
+        return acodec->sample_rate == 8000 &&
+               acodec->codec_id == CODEC_ID_PCM_MULAW;
+    case FLV_CODECID_PCM_ALAW:
+        return acodec->sample_rate = 8000 &&
+               acodec->codec_id == CODEC_ID_PCM_ALAW;
+    default:
+        return acodec->codec_tag == (flv_codecid >> FLV_AUDIO_CODECID_OFFSET);
+    }
+
+    return 0;
+}
 
 static void flv_set_audio_codec(AVFormatContext *s, AVStream *astream, AVCodecContext *acodec, int flv_codecid) {
     switch(flv_codecid) {
@@ -122,6 +175,33 @@ static void flv_set_audio_codec(AVFormatContext *s, AVStream *astream, AVCodecCo
     }
 }
 
+static int flv_same_video_codec(AVCodecContext *vcodec, int flags)
+{
+    int flv_codecid = flags & FLV_VIDEO_CODECID_MASK;
+
+    if (!vcodec->codec_id && !vcodec->codec_tag)
+        return 1;
+
+    switch (flv_codecid) {
+        case FLV_CODECID_H263:
+            return vcodec->codec_id == CODEC_ID_FLV1;
+        case FLV_CODECID_SCREEN:
+            return vcodec->codec_id == CODEC_ID_FLASHSV;
+        case FLV_CODECID_SCREEN2:
+            return vcodec->codec_id == CODEC_ID_FLASHSV2;
+        case FLV_CODECID_VP6:
+            return vcodec->codec_id == CODEC_ID_VP6F;
+        case FLV_CODECID_VP6A:
+            return vcodec->codec_id == CODEC_ID_VP6A;
+        case FLV_CODECID_H264:
+            return vcodec->codec_id == CODEC_ID_H264;
+        default:
+            return vcodec->codec_tag == flv_codecid;
+    }
+
+    return 0;
+}
+
 static int flv_set_video_codec(AVFormatContext *s, AVStream *vstream, int flv_codecid) {
     AVCodecContext *vcodec = vstream->codec;
     switch(flv_codecid) {
@@ -516,7 +596,7 @@ static int flv_data_packet(AVFormatContext *s, AVPacket *pkt,
 
     for (i = 0; i < s->nb_streams; i++) {
         st = s->streams[i];
-        if (st->id == 2)
+        if (st->codec->codec_type == AVMEDIA_TYPE_DATA)
             break;
     }
 
@@ -616,8 +696,18 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
     /* now find stream */
     for(i=0;i<s->nb_streams;i++) {
         st = s->streams[i];
-        if (st->id == stream_type)
+        if (stream_type == FLV_STREAM_TYPE_AUDIO && st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+            if (flv_same_audio_codec(st->codec, flags)) {
+                break;
+            }
+        } else
+        if (stream_type == FLV_STREAM_TYPE_VIDEO && st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+            if (flv_same_video_codec(st->codec, flags)) {
+                break;
+            }
+        } else if (st->id == stream_type) {
             break;
+        }
     }
     if(i == s->nb_streams){
         av_log(s, AV_LOG_WARNING, "Stream discovered after head already parsed\n");
diff --git a/libavformat/rtp.h b/libavformat/rtp.h
index 5cd77fed9b..03fdb606ca 100644
--- a/libavformat/rtp.h
+++ b/libavformat/rtp.h
@@ -77,7 +77,7 @@ enum CodecID ff_rtp_codec_id(const char *buf, enum AVMediaType codec_type);
 #define RTCP_TX_RATIO_DEN 1000
 
 /* An arbitrary id value for RTP Xiph streams - only relevant to indicate
- * the the configuration has changed within a stream (by changing the
+ * that the configuration has changed within a stream (by changing the
  * ident value sent).
  */
 #define RTP_XIPH_IDENT 0xfecdba
diff --git a/libavformat/version.h b/libavformat/version.h
index 6090d651be..f562a9923f 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -44,7 +44,7 @@
 #define LIBAVFORMAT_IDENT       "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
 
 /**
- * Those FF_API_* defines are not part of public API.
+ * These FF_API_* defines are not part of the public API.
  * They may change, break or disappear at any time.
  */
 #ifndef FF_API_OLD_AVIO
diff --git a/libavutil/arm/intmath.h b/libavutil/arm/intmath.h
index f5a59a6928..52af66e722 100644
--- a/libavutil/arm/intmath.h
+++ b/libavutil/arm/intmath.h
@@ -75,7 +75,6 @@ static av_always_inline av_const int16_t av_clip_int16_arm(int a)
     return x;
 }
 
-#if !CONFIG_SMALL //the code below cannot be compiled without always_inline
 #define av_clip_uintp2 av_clip_uintp2_arm
 static av_always_inline av_const unsigned av_clip_uintp2_arm(int a, int p)
 {
@@ -83,7 +82,7 @@ static av_always_inline av_const unsigned av_clip_uintp2_arm(int a, int p)
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     return x;
 }
-#endif //!CONFIG_SMALL
+
 
 #else /* HAVE_ARMV6 */
 
diff --git a/libavutil/attributes.h b/libavutil/attributes.h
index 9a837a7d15..c1f26f5ba4 100644
--- a/libavutil/attributes.h
+++ b/libavutil/attributes.h
@@ -50,65 +50,45 @@
 #endif
 #endif
 
-#ifndef av_noreturn
-#if AV_GCC_VERSION_AT_LEAST(2,5)
-#    define av_noreturn __attribute__((noreturn))
-#else
-#    define av_noreturn
-#endif
-#endif
-
-#ifndef av_noinline
 #if AV_GCC_VERSION_AT_LEAST(3,1)
 #    define av_noinline __attribute__((noinline))
 #else
 #    define av_noinline
 #endif
-#endif
 
-#ifndef av_pure
 #if AV_GCC_VERSION_AT_LEAST(3,1)
 #    define av_pure __attribute__((pure))
 #else
 #    define av_pure
 #endif
-#endif
 
 #ifndef av_restrict
 #define av_restrict restrict
 #endif
 
-#ifndef av_const
 #if AV_GCC_VERSION_AT_LEAST(2,6)
 #    define av_const __attribute__((const))
 #else
 #    define av_const
 #endif
-#endif
 
-#ifndef av_cold
 #if AV_GCC_VERSION_AT_LEAST(4,3)
 #    define av_cold __attribute__((cold))
 #else
 #    define av_cold
 #endif
-#endif
 
-#ifndef av_flatten
 #if AV_GCC_VERSION_AT_LEAST(4,1)
 #    define av_flatten __attribute__((flatten))
 #else
 #    define av_flatten
 #endif
-#endif
 
-#ifndef attribute_deprecated
 #if AV_GCC_VERSION_AT_LEAST(3,1)
 #    define attribute_deprecated __attribute__((deprecated))
 #else
 #    define attribute_deprecated
 #endif
-#endif
 
 /**
  * Disable warnings about deprecated features
@@ -128,42 +108,34 @@
 #endif
 
 
-#ifndef av_unused
 #if defined(__GNUC__)
 #    define av_unused __attribute__((unused))
 #else
 #    define av_unused
 #endif
-#endif
 
 /**
  * Mark a variable as used and prevent the compiler from optimizing it
  * away.  This is useful for variables accessed only from inline
  * assembler without the compiler being aware.
  */
-#ifndef av_used
 #if AV_GCC_VERSION_AT_LEAST(3,1)
 #    define av_used __attribute__((used))
 #else
 #    define av_used
 #endif
-#endif
 
-#ifndef av_alias
 #if AV_GCC_VERSION_AT_LEAST(3,3)
 #   define av_alias __attribute__((may_alias))
 #else
 #   define av_alias
 #endif
-#endif
 
-#ifndef av_uninit
 #if defined(__GNUC__) && !defined(__INTEL_COMPILER)
 #    define av_uninit(x) x=x
 #else
 #    define av_uninit(x) x
 #endif
-#endif
 
 #ifdef __GNUC__
 #    define av_builtin_constant_p __builtin_constant_p
@@ -173,4 +145,10 @@
 #    define av_printf_format(fmtpos, attrpos)
 #endif
 
+#if AV_GCC_VERSION_AT_LEAST(2,5)
+#    define av_noreturn __attribute__((noreturn))
+#else
+#    define av_noreturn
+#endif
+
 #endif /* AVUTIL_ATTRIBUTES_H */
diff --git a/libavutil/dict.h b/libavutil/dict.h
index 5a572248fb..54ecba0c2d 100644
--- a/libavutil/dict.h
+++ b/libavutil/dict.h
@@ -124,4 +124,4 @@ void av_dict_free(AVDictionary **m);
  * @}
  */
 
-#endif // AVUTIL_DICT_H
+#endif /* AVUTIL_DICT_H */
diff --git a/tools/patcheck b/tools/patcheck
index 517b842c53..80073aead9 100755
--- a/tools/patcheck
+++ b/tools/patcheck
@@ -67,7 +67,8 @@ $EGREP $OPT '^\+ *(const *|)static' $*| $EGREP --color=always '[^=]= *(0|NULL)[^
 cat $TMP
 hiegrep '# *ifdef * (HAVE|CONFIG)_' 'ifdefs that should be #if' $*
 
-hiegrep '\b(awnser|cant|dont|wont|usefull|successfull|occured|teh|alot|wether|skiped|heigth|informations|colums|loosy|loosing|ouput|seperate|preceed|upto|paket|posible|unkown|inpossible|dimention|funtions|overriden|outputing|seperation|initalize|compatibilty)\b' 'common typos' $*
+hiegrep '\b(awnser|cant|dont|wont|usefull|successfull|occured|teh|alot|wether|skiped|heigth|informations|colums|loosy|loosing|ouput|seperate|preceed|upto|paket|posible|unkown|inpossible|dimention|acheive|funtions|overriden|outputing|seperation|initalize|compatibilty)\b' 'common typos' $*
+
 hiegrep 'av_log\( *NULL' 'Missing context in av_log' $*
 hiegrep '[^sn]printf' 'Please use av_log' $*
 hiegrep '\bmalloc' 'Please use av_malloc' $*