Merge remote-tracking branch 'qatar/master'

* qatar/master: (23 commits)
  fix AC3ENC_OPT_MODE_ON/OFF
  h264: fix HRD parameters parsing
  prores: implement multithreading.
  prores: idct sse2/sse4 optimizations.
  swscale: use aligned move for storage into temporary buffer.
  prores: extract idct into its own dspcontext and merge with put_pixels.
  h264: fix invalid shifts in init_cavlc_level_tab()
  intfloat_readwrite: fix signed addition overflows
  mov: do not misreport empty stts
  mov: cosmetics, fix for and if spacing
  id3v2: fix NULL pointer dereference
  mov: read album_artist atom
  mov: fix disc/track numbers and totals
  doc: fix references to obsolete presets directories for avconv/ffmpeg
  flashsv: return more meaningful error value
  flashsv: fix typo in av_log() message
  smacker: validate channels and sample format.
  smacker: check buffer size before reading output size
  smacker: validate number of channels
  smacker: Separate audio flags from sample rates in smacker demuxer.
  ...

Conflicts:
	cmdutils.h
	doc/ffmpeg.texi
	libavcodec/Makefile
	libavcodec/motion_est_template.c
	libavformat/id3v2.c
	libavformat/mov.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/Makefile

@@ -314,7 +314,7 @@ OBJS-$(CONFIG_PNG_ENCODER)             += png.o pngenc.o
 OBJS-$(CONFIG_PPM_DECODER)             += pnmdec.o pnm.o
 OBJS-$(CONFIG_PPM_ENCODER)             += pnmenc.o pnm.o
 OBJS-$(CONFIG_PRORES_GPL_DECODER)      += proresdec_gpl.o
-OBJS-$(CONFIG_PRORES_LGPL_DECODER)     += proresdec_lgpl.o
+OBJS-$(CONFIG_PRORES_LGPL_DECODER)     += proresdec_lgpl.o proresdsp.o
 OBJS-$(CONFIG_PTX_DECODER)             += ptx.o
 OBJS-$(CONFIG_QCELP_DECODER)           += qcelpdec.o celp_math.o         \
                                           celp_filters.o acelp_vectors.o \

libavcodec/ac3enc.h

@@ -73,8 +73,8 @@ typedef int64_t CoefSumType;
 #define AC3ENC_OPT_OFF              0
 #define AC3ENC_OPT_ON               1
 #define AC3ENC_OPT_NOT_INDICATED    0
-#define AC3ENC_OPT_MODE_ON          1
-#define AC3ENC_OPT_MODE_OFF         2
+#define AC3ENC_OPT_MODE_ON          2
+#define AC3ENC_OPT_MODE_OFF         1
 
 /* specific option values */
 #define AC3ENC_OPT_LARGE_ROOM       1

libavcodec/dsputil.c

@@ -144,6 +144,41 @@ void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_s
     }
 }
 
+void ff_init_scantable_permutation(uint8_t *idct_permutation,
+                                   int idct_permutation_type)
+{
+    int i;
+
+    switch(idct_permutation_type){
+    case FF_NO_IDCT_PERM:
+        for(i=0; i<64; i++)
+            idct_permutation[i]= i;
+        break;
+    case FF_LIBMPEG2_IDCT_PERM:
+        for(i=0; i<64; i++)
+            idct_permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
+        break;
+    case FF_SIMPLE_IDCT_PERM:
+        for(i=0; i<64; i++)
+            idct_permutation[i]= simple_mmx_permutation[i];
+        break;
+    case FF_TRANSPOSE_IDCT_PERM:
+        for(i=0; i<64; i++)
+            idct_permutation[i]= ((i&7)<<3) | (i>>3);
+        break;
+    case FF_PARTTRANS_IDCT_PERM:
+        for(i=0; i<64; i++)
+            idct_permutation[i]= (i&0x24) | ((i&3)<<3) | ((i>>3)&3);
+        break;
+    case FF_SSE2_IDCT_PERM:
+        for(i=0; i<64; i++)
+            idct_permutation[i]= (i&0x38) | idct_sse2_row_perm[i&7];
+        break;
+    default:
+        av_log(NULL, AV_LOG_ERROR, "Internal error, IDCT permutation not set\n");
+    }
+}
+
 static int pix_sum_c(uint8_t * pix, int line_size)
 {
     int s, i, j;
@@ -3107,32 +3142,6 @@ av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx)
             c->avg_2tap_qpel_pixels_tab[0][i]= c->avg_h264_qpel_pixels_tab[0][i];
     }
 
-    switch(c->idct_permutation_type){
-    case FF_NO_IDCT_PERM:
-        for(i=0; i<64; i++)
-            c->idct_permutation[i]= i;
-        break;
-    case FF_LIBMPEG2_IDCT_PERM:
-        for(i=0; i<64; i++)
-            c->idct_permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
-        break;
-    case FF_SIMPLE_IDCT_PERM:
-        for(i=0; i<64; i++)
-            c->idct_permutation[i]= simple_mmx_permutation[i];
-        break;
-    case FF_TRANSPOSE_IDCT_PERM:
-        for(i=0; i<64; i++)
-            c->idct_permutation[i]= ((i&7)<<3) | (i>>3);
-        break;
-    case FF_PARTTRANS_IDCT_PERM:
-        for(i=0; i<64; i++)
-            c->idct_permutation[i]= (i&0x24) | ((i&3)<<3) | ((i>>3)&3);
-        break;
-    case FF_SSE2_IDCT_PERM:
-        for(i=0; i<64; i++)
-            c->idct_permutation[i]= (i&0x38) | idct_sse2_row_perm[i&7];
-        break;
-    default:
-        av_log(avctx, AV_LOG_ERROR, "Internal error, IDCT permutation not set\n");
-    }
+    ff_init_scantable_permutation(c->idct_permutation,
+                                  c->idct_permutation_type);
 }

libavcodec/dsputil.h

@@ -204,6 +204,8 @@ typedef struct ScanTable{
 } ScanTable;
 
 void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
+void ff_init_scantable_permutation(uint8_t *idct_permutation,
+                                   int idct_permutation_type);
 
 #define EMULATED_EDGE(depth) \
 void ff_emulated_edge_mc_ ## depth (uint8_t *buf, const uint8_t *src, int linesize,\

libavcodec/flashsv.c

@@ -301,7 +301,7 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
     /* check for changes of image width and image height */
     if (avctx->width != s->image_width || avctx->height != s->image_height) {
         av_log(avctx, AV_LOG_ERROR,
-               "Frame width or height differs from first frames!\n");
+               "Frame width or height differs from first frame!\n");
         av_log(avctx, AV_LOG_ERROR, "fh = %d, fv %d  vs  ch = %d, cv = %d\n",
                avctx->height, avctx->width, s->image_height, s->image_width);
         return AVERROR_INVALIDDATA;
@@ -367,7 +367,7 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
                 if (s->color_depth != 0 && s->color_depth != 2) {
                     av_log(avctx, AV_LOG_ERROR,
                            "%dx%d invalid color depth %d\n", i, j, s->color_depth);
-                    return -1;
+                    return AVERROR_INVALIDDATA;
                 }
 
                 if (has_diff) {

libavcodec/golomb.h

@@ -75,6 +75,20 @@ static inline int get_ue_golomb(GetBitContext *gb){
     }
 }
 
+/**
+ * Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1.
+ */
+static inline unsigned get_ue_golomb_long(GetBitContext *gb)
+{
+    unsigned buf, log;
+
+    buf = show_bits_long(gb, 32);
+    log = 31 - av_log2(buf);
+    skip_bits_long(gb, log);
+
+    return get_bits_long(gb, log + 1) - 1;
+}
+
  /**
  * read unsigned exp golomb code, constraint to a max of 31.
  * the return value is undefined if the stored value exceeds 31.

libavcodec/h264_cavlc.c

@@ -298,17 +298,18 @@ static inline int pred_non_zero_count(H264Context *h, int n){
 }
 
 static av_cold void init_cavlc_level_tab(void){
-    int suffix_length, mask;
+    int suffix_length;
     unsigned int i;
 
     for(suffix_length=0; suffix_length<7; suffix_length++){
         for(i=0; i<(1<<LEVEL_TAB_BITS); i++){
             int prefix= LEVEL_TAB_BITS - av_log2(2*i);
-            int level_code= (prefix<<suffix_length) + (i>>(LEVEL_TAB_BITS-prefix-1-suffix_length)) - (1<<suffix_length);
 
-            mask= -(level_code&1);
-            level_code= (((2+level_code)>>1) ^ mask) - mask;
             if(prefix + 1 + suffix_length <= LEVEL_TAB_BITS){
+                int level_code = (prefix << suffix_length) +
+                    (i >> (av_log2(i) - suffix_length)) - (1 << suffix_length);
+                int mask = -(level_code&1);
+                level_code = (((2 + level_code) >> 1) ^ mask) - mask;
                 cavlc_level_tab[suffix_length][i][0]= level_code;
                 cavlc_level_tab[suffix_length][i][1]= prefix + 1 + suffix_length;
             }else if(prefix + 1 <= LEVEL_TAB_BITS){

libavcodec/h264_ps.c

@@ -143,8 +143,8 @@ static inline int decode_hrd_parameters(H264Context *h, SPS *sps){
     get_bits(&s->gb, 4); /* bit_rate_scale */
     get_bits(&s->gb, 4); /* cpb_size_scale */
     for(i=0; i<cpb_count; i++){
-        get_ue_golomb(&s->gb); /* bit_rate_value_minus1 */
-        get_ue_golomb(&s->gb); /* cpb_size_value_minus1 */
+        get_ue_golomb_long(&s->gb); /* bit_rate_value_minus1 */
+        get_ue_golomb_long(&s->gb); /* cpb_size_value_minus1 */
         get_bits1(&s->gb);     /* cbr_flag */
     }
     sps->initial_cpb_removal_delay_length = get_bits(&s->gb, 5) + 1;
@@ -494,6 +494,7 @@ int ff_h264_decode_picture_parameter_set(H264Context *h, int bit_length){
     unsigned int pps_id= get_ue_golomb(&s->gb);
     PPS *pps;
     const int qp_bd_offset = 6*(h->sps.bit_depth_luma-8);
+    int bits_left;
 
     if(pps_id >= MAX_PPS_COUNT) {
         av_log(h->s.avctx, AV_LOG_ERROR, "pps_id (%d) out of range\n", pps_id);
@@ -570,6 +571,7 @@ int ff_h264_decode_picture_parameter_set(H264Context *h, int bit_length){
     memcpy(pps->scaling_matrix4, h->sps_buffers[pps->sps_id]->scaling_matrix4, sizeof(pps->scaling_matrix4));
     memcpy(pps->scaling_matrix8, h->sps_buffers[pps->sps_id]->scaling_matrix8, sizeof(pps->scaling_matrix8));
 
+    bits_left = bit_length - get_bits_count(&s->gb);
     if(get_bits_count(&s->gb) < bit_length){
         pps->transform_8x8_mode= get_bits1(&s->gb);
         decode_scaling_matrices(h, h->sps_buffers[pps->sps_id], pps, 0, pps->scaling_matrix4, pps->scaling_matrix8);

libavcodec/motion_est.c

@@ -52,7 +52,7 @@ static inline int sad_hpel_motion_search(MpegEncContext * s,
                                   int src_index, int ref_index,
                                   int size, int h);
 
-static inline int update_map_generation(MotionEstContext *c)
+static inline unsigned update_map_generation(MotionEstContext *c)
 {
     c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
     if(c->map_generation==0){

libavcodec/motion_est_template.c

@@ -90,8 +90,8 @@ static int hpel_motion_search(MpegEncContext * s,
                      + (mv_penalty[bx   - pred_x] + mv_penalty[by+2 - pred_y])*c->penalty_factor;
 
 #if 1
-        int key;
-        int map_generation= c->map_generation;
+        unsigned key;
+        unsigned map_generation= c->map_generation;
 #ifndef NDEBUG
         uint32_t *map= c->map;
 #endif
@@ -210,7 +210,7 @@ static int qpel_motion_search(MpegEncContext * s,
     const int mx = *mx_ptr;
     const int my = *my_ptr;
     const int penalty_factor= c->sub_penalty_factor;
-    const int map_generation= c->map_generation;
+    const unsigned map_generation = c->map_generation;
     const int subpel_quality= c->avctx->me_subpel_quality;
     uint32_t *map= c->map;
     me_cmp_func cmpf, chroma_cmpf;
@@ -356,7 +356,7 @@ static int qpel_motion_search(MpegEncContext * s,
 
 #define CHECK_MV(x,y)\
 {\
-    const int key= ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
+    const unsigned key = ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
     const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
     assert((x) >= xmin);\
     assert((x) <= xmax);\
@@ -384,7 +384,7 @@ static int qpel_motion_search(MpegEncContext * s,
 
 #define CHECK_MV_DIR(x,y,new_dir)\
 {\
-    const int key= ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
+    const unsigned key = ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
     const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
 /*printf("check_mv_dir %d %d %d\n", x, y, new_dir);*/\
     if(map[index]!=key){\
@@ -422,13 +422,13 @@ static av_always_inline int small_diamond_search(MpegEncContext * s, int *best,
     int next_dir=-1;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
 
     cmpf= s->dsp.me_cmp[size];
     chroma_cmpf= s->dsp.me_cmp[size+1];
 
     { /* ensure that the best point is in the MAP as h/qpel refinement needs it */
-        const int key= (best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation;
+        const unsigned key = (best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation;
         const int index= ((best[1]<<ME_MAP_SHIFT) + best[0])&(ME_MAP_SIZE-1);
         if(map[index]!=key){ //this will be executed only very rarey
             score_map[index]= cmp(s, best[0], best[1], 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
@@ -464,7 +464,7 @@ static int funny_diamond_search(MpegEncContext * s, int *best, int dmin,
     int dia_size;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
 
     cmpf= s->dsp.me_cmp[size];
     chroma_cmpf= s->dsp.me_cmp[size+1];
@@ -505,7 +505,7 @@ static int hex_search(MpegEncContext * s, int *best, int dmin,
     me_cmp_func cmpf, chroma_cmpf;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
     int x,y,d;
     const int dec= dia_size & (dia_size-1);
 
@@ -539,7 +539,7 @@ static int l2s_dia_search(MpegEncContext * s, int *best, int dmin,
     me_cmp_func cmpf, chroma_cmpf;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
     int x,y,i,d;
     int dia_size= c->dia_size&0xFF;
     const int dec= dia_size & (dia_size-1);
@@ -577,7 +577,7 @@ static int umh_search(MpegEncContext * s, int *best, int dmin,
     me_cmp_func cmpf, chroma_cmpf;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
     int x,y,x2,y2, i, j, d;
     const int dia_size= c->dia_size&0xFE;
     static const int hex[16][2]={{-4,-2}, {-4,-1}, {-4, 0}, {-4, 1}, {-4, 2},
@@ -624,7 +624,7 @@ static int full_search(MpegEncContext * s, int *best, int dmin,
     me_cmp_func cmpf, chroma_cmpf;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
     int x,y, d;
     const int dia_size= c->dia_size&0xFF;
 
@@ -653,7 +653,7 @@ static int full_search(MpegEncContext * s, int *best, int dmin,
 
 #define SAB_CHECK_MV(ax,ay)\
 {\
-    const int key= ((ay)<<ME_MAP_MV_BITS) + (ax) + map_generation;\
+    const unsigned key = ((ay)<<ME_MAP_MV_BITS) + (ax) + map_generation;\
     const int index= (((ay)<<ME_MAP_SHIFT) + (ax))&(ME_MAP_SIZE-1);\
 /*printf("sab check %d %d\n", ax, ay);*/\
     if(map[index]!=key){\
@@ -692,7 +692,7 @@ static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
     int i, j;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
 
     cmpf= s->dsp.me_cmp[size];
     chroma_cmpf= s->dsp.me_cmp[size+1];
@@ -777,7 +777,7 @@ static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
     int dia_size;
     LOAD_COMMON
     LOAD_COMMON2
-    int map_generation= c->map_generation;
+    unsigned map_generation = c->map_generation;
 
     cmpf= s->dsp.me_cmp[size];
     chroma_cmpf= s->dsp.me_cmp[size+1];
@@ -869,7 +869,7 @@ static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int
     int d;                   ///< the score (cmp + penalty) of any given mv
     int dmin;                /**< the best value of d, i.e. the score
                                corresponding to the mv stored in best[]. */
-    int map_generation;
+    unsigned map_generation;
     int penalty_factor;
     const int ref_mv_stride= s->mb_stride; //pass as arg  FIXME
     const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride; //add to last_mv beforepassing FIXME
@@ -997,7 +997,7 @@ static int epzs_motion_search4(MpegEncContext * s,
     MotionEstContext * const c= &s->me;
     int best[2]={0, 0};
     int d, dmin;
-    int map_generation;
+    unsigned map_generation;
     const int penalty_factor= c->penalty_factor;
     const int size=1;
     const int h=8;
@@ -1057,7 +1057,7 @@ static int epzs_motion_search2(MpegEncContext * s,
     MotionEstContext * const c= &s->me;
     int best[2]={0, 0};
     int d, dmin;
-    int map_generation;
+    unsigned map_generation;
     const int penalty_factor= c->penalty_factor;
     const int size=0; //FIXME pass as arg
     const int h=8;

libavcodec/mpegvideo.h

@@ -156,7 +156,7 @@ typedef struct MotionEstContext{
     int best_bits;
     uint32_t *map;                     ///< map to avoid duplicate evaluations
     uint32_t *score_map;               ///< map to store the scores
-    int map_generation;
+    unsigned map_generation;
     int pre_penalty_factor;
     int penalty_factor;                /**< an estimate of the bits required to
                                         code a given mv value, e.g. (1,0) takes

libavcodec/proresdsp.c

+/*
+ * Apple ProRes compatible decoder
+ *
+ * Copyright (c) 2010-2011 Maxim Poliakovski
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "proresdsp.h"
+#include "simple_idct.h"
+
+#define BIAS     (1 << (PRORES_BITS_PER_SAMPLE - 1))           ///< bias value for converting signed pixels into unsigned ones
+#define CLIP_MIN (1 << (PRORES_BITS_PER_SAMPLE - 8))           ///< minimum value for clipping resulting pixels
+#define CLIP_MAX (1 << PRORES_BITS_PER_SAMPLE) - CLIP_MIN - 1  ///< maximum value for clipping resulting pixels
+
+#define CLIP_AND_BIAS(x) (av_clip((x) + BIAS, CLIP_MIN, CLIP_MAX))
+
+/**
+ * Add bias value, clamp and output pixels of a slice
+ */
+static void put_pixels(uint16_t *dst, int stride, const DCTELEM *in)
+{
+    int x, y, src_offset, dst_offset;
+
+    for (y = 0, dst_offset = 0; y < 8; y++, dst_offset += stride) {
+        for (x = 0; x < 8; x++) {
+            src_offset = (y << 3) + x;
+
+            dst[dst_offset + x] = CLIP_AND_BIAS(in[src_offset]);
+        }
+    }
+}
+
+static void prores_idct_put_c(uint16_t *out, int linesize, DCTELEM *block, const int16_t *qmat)
+{
+    ff_prores_idct(block, qmat);
+    put_pixels(out, linesize >> 1, block);
+}
+
+void ff_proresdsp_init(ProresDSPContext *dsp)
+{
+    dsp->idct_put = prores_idct_put_c;
+    dsp->idct_permutation_type = FF_NO_IDCT_PERM;
+
+    if (HAVE_MMX) ff_proresdsp_x86_init(dsp);
+
+    ff_init_scantable_permutation(dsp->idct_permutation,
+                                  dsp->idct_permutation_type);
+}

libavcodec/proresdsp.h

+/*
+ * Apple ProRes compatible decoder
+ *
+ * Copyright (c) 2010-2011 Maxim Poliakovski
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_PRORESDSP_H
+#define AVCODEC_PRORESDSP_H
+
+#include "dsputil.h"
+
+#define PRORES_BITS_PER_SAMPLE 10 ///< output precision of prores decoder
+
+typedef struct {
+    int idct_permutation_type;
+    uint8_t idct_permutation[64];
+    void (* idct_put) (uint16_t *out, int linesize, DCTELEM *block, const int16_t *qmat);
+} ProresDSPContext;
+
+void ff_proresdsp_init(ProresDSPContext *dsp);
+
+void ff_proresdsp_x86_init(ProresDSPContext *dsp);
+
+#endif /* AVCODEC_PRORESDSP_H */

libavcodec/simple_idct.c

@@ -221,3 +221,20 @@ void ff_simple_idct44_add(uint8_t *dest, int line_size, DCTELEM *block)
         idct4col_add(dest + i, line_size, block + i);
     }
 }
+
+void ff_prores_idct(DCTELEM *block, const int16_t *qmat)
+{
+    int i;
+
+    for (i = 0; i < 64; i++)
+        block[i] *= qmat[i];
+
+    for (i = 0; i < 8; i++)
+        idctRowCondDC_10(block + i*8);
+
+    for (i = 0; i < 64; i++)
+        block[i] >>= 2;
+
+    for (i = 0; i < 8; i++)
+        idctSparseCol_10(block + i);
+}

libavcodec/simple_idct.h

@@ -38,6 +38,12 @@ void ff_simple_idct_8(DCTELEM *block);
 void ff_simple_idct_put_10(uint8_t *dest, int line_size, DCTELEM *block);
 void ff_simple_idct_add_10(uint8_t *dest, int line_size, DCTELEM *block);
 void ff_simple_idct_10(DCTELEM *block);
+/**
+ * Special version of ff_simple_idct_10() which does dequantization
+ * and scales by a factor of 2 more between the two IDCTs to account
+ * for larger scale of input coefficients.
+ */
+void ff_prores_idct(DCTELEM *block, const int16_t *qmat);
 
 void ff_simple_idct_mmx(int16_t *block);
 void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);

libavcodec/sipr.c

@@ -194,14 +194,16 @@ static void decode_parameters(SiprParameters* parms, GetBitContext *pgb,
 {
     int i, j;
 
-    parms->ma_pred_switch           = get_bits(pgb, p->ma_predictor_bits);
+    if (p->ma_predictor_bits)
+        parms->ma_pred_switch       = get_bits(pgb, p->ma_predictor_bits);
 
     for (i = 0; i < 5; i++)
         parms->vq_indexes[i]        = get_bits(pgb, p->vq_indexes_bits[i]);
 
     for (i = 0; i < p->subframe_count; i++) {
         parms->pitch_delay[i]       = get_bits(pgb, p->pitch_delay_bits[i]);
-        parms->gp_index[i]          = get_bits(pgb, p->gp_index_bits);
+        if (p->gp_index_bits)
+            parms->gp_index[i]      = get_bits(pgb, p->gp_index_bits);
 
         for (j = 0; j < p->number_of_fc_indexes; j++)
             parms->fc_indexes[i][j] = get_bits(pgb, p->fc_index_bits[j]);

libavcodec/smacker.c

@@ -560,6 +560,10 @@ static av_cold int decode_end(AVCodecContext *avctx)
 
 static av_cold int smka_decode_init(AVCodecContext *avctx)
 {
+    if (avctx->channels < 1 || avctx->channels > 2) {
+        av_log(avctx, AV_LOG_ERROR, "invalid number of channels\n");
+        return AVERROR(EINVAL);
+    }
     avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
     avctx->sample_fmt = avctx->bits_per_coded_sample == 8 ? AV_SAMPLE_FMT_U8 : AV_SAMPLE_FMT_S16;
     return 0;
@@ -583,6 +587,11 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     int bits, stereo;
     int pred[2] = {0, 0};
 
+    if (buf_size <= 4) {
+        av_log(avctx, AV_LOG_ERROR, "packet is too small\n");
+        return AVERROR(EINVAL);
+    }
+
     unp_size = AV_RL32(buf);
 
     init_get_bits(&gb, buf + 4, (buf_size - 4) * 8);
@@ -598,6 +607,14 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
         av_log(avctx, AV_LOG_ERROR, "Frame is too large to fit in buffer\n");
         return -1;
     }
+    if (stereo ^ (avctx->channels != 1)) {
+        av_log(avctx, AV_LOG_ERROR, "channels mismatch\n");
+        return AVERROR(EINVAL);
+    }
+    if (bits && avctx->sample_fmt == AV_SAMPLE_FMT_U8) {
+        av_log(avctx, AV_LOG_ERROR, "sample format mismatch\n");
+        return AVERROR(EINVAL);
+    }
 
     memset(vlc, 0, sizeof(VLC) * 4);
     memset(h, 0, sizeof(HuffContext) * 4);

libavcodec/x86/Makefile

@@ -34,6 +34,8 @@ MMX-OBJS-$(CONFIG_ENCODERS)            += x86/dsputilenc_mmx.o
 YASM-OBJS-$(CONFIG_ENCODERS)           += x86/dsputilenc_yasm.o
 MMX-OBJS-$(CONFIG_GPL)                 += x86/idct_mmx.o
 MMX-OBJS-$(CONFIG_LPC)                 += x86/lpc_mmx.o
+YASM-OBJS-$(CONFIG_PRORES_LGPL_DECODER)     += x86/proresdsp.o
+MMX-OBJS-$(CONFIG_PRORES_LGPL_DECODER)      += x86/proresdsp-init.o
 MMX-OBJS-$(CONFIG_DWT)                 += x86/snowdsp_mmx.o
 MMX-OBJS-$(CONFIG_VC1_DECODER)         += x86/vc1dsp_mmx.o
 YASM-OBJS-$(CONFIG_VP3_DECODER)        += x86/vp3dsp.o

libavcodec/x86/dsputil_mmx.c

@@ -64,6 +64,8 @@ DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_64 ) = {0x0040004000400040ULL, 0x00400
 DECLARE_ALIGNED(8,  const uint64_t, ff_pw_96 ) = 0x0060006000600060ULL;
 DECLARE_ALIGNED(8,  const uint64_t, ff_pw_128) = 0x0080008000800080ULL;
 DECLARE_ALIGNED(8,  const uint64_t, ff_pw_255) = 0x00ff00ff00ff00ffULL;
+DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_512) = {0x0200020002000200ULL, 0x0200020002000200ULL};
+DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_1019)= {0x03FB03FB03FB03FBULL, 0x03FB03FB03FB03FBULL};
 
 DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_0  ) = {0x0000000000000000ULL, 0x0000000000000000ULL};
 DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_1  ) = {0x0101010101010101ULL, 0x0101010101010101ULL};

libavcodec/x86/proresdsp-init.c

+/*
+ * Apple ProRes compatible decoder
+ *
+ * Copyright (c) 2010-2011 Maxim Poliakovski
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/proresdsp.h"
+
+void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize,
+                                DCTELEM *block);
+void ff_prores_idct_put_10_sse4(uint16_t *dst, int linesize,
+                                DCTELEM *block);
+void ff_prores_idct_put_10_avx (uint16_t *dst, int linesize,
+                                DCTELEM *block);
+
+void ff_proresdsp_x86_init(ProresDSPContext *dsp)
+{
+#if ARCH_X86_64
+    int flags = av_get_cpu_flags();
+
+    if (flags & AV_CPU_FLAG_SSE2) {
+        dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
+        dsp->idct_put = ff_prores_idct_put_10_sse2;
+    }
+
+    if (flags & AV_CPU_FLAG_SSE4) {
+        dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
+        dsp->idct_put = ff_prores_idct_put_10_sse4;
+    }
+
+#if HAVE_AVX
+    if (flags & AV_CPU_FLAG_AVX) {
+        dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
+        dsp->idct_put = ff_prores_idct_put_10_avx;
+    }
+#endif
+#endif
+}

libavformat/id3v2.c

@@ -360,7 +360,7 @@ static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t
     AVIOContext *pbx;
     unsigned char *buffer = NULL;
     int buffer_size = 0;
-    void (*extra_func)(AVFormatContext*, AVIOContext*, int, char*, ID3v2ExtraMeta**) = NULL;
+    const ID3v2EMFunc *extra_func;
 
     switch (version) {
     case 2:
@@ -432,7 +432,7 @@ static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t
             av_log(s, AV_LOG_WARNING, "Skipping encrypted/compressed ID3v2 frame %s.\n", tag);
             avio_skip(s->pb, tlen);
         /* check for text tag or supported special meta tag */
-        } else if (tag[0] == 'T' || (extra_meta && (extra_func = get_extra_meta_func(tag, isv34)->read))) {
+        } else if (tag[0] == 'T' || (extra_meta && (extra_func = get_extra_meta_func(tag, isv34)))) {
             if (unsync || tunsync) {
                 int i, j;
                 av_fast_malloc(&buffer, &buffer_size, tlen);
@@ -458,7 +458,7 @@ static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t
                 read_ttag(s, pbx, tlen, tag);
             else
                 /* parse special meta tag */
-                extra_func(s, pbx, tlen, tag, extra_meta);
+                extra_func->read(s, pbx, tlen, tag, extra_meta);
         }
         else if (!tag[0]) {
             if (tag[1])
@@ -521,11 +521,11 @@ void ff_id3v2_read(AVFormatContext *s, const char *magic)
 void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta)
 {
     ID3v2ExtraMeta *current = *extra_meta, *next;
-    void (*free_func)(void *);
+    const ID3v2EMFunc *extra_func;
 
     while (current) {
-        if ((free_func = get_extra_meta_func(current->tag, 1)->free))
-            free_func(current->data);
+        if ((extra_func = get_extra_meta_func(current->tag, 1)))
+            extra_func->free(current->data);
         next = current->next;
         av_freep(&current);
         current = next;

libavformat/smacker.c

@@ -31,11 +31,11 @@
 #define SMACKER_FLAG_RING_FRAME 0x01
 
 enum SAudFlags {
-    SMK_AUD_PACKED  = 0x80000000,
-    SMK_AUD_16BITS  = 0x20000000,
-    SMK_AUD_STEREO  = 0x10000000,
-    SMK_AUD_BINKAUD = 0x08000000,
-    SMK_AUD_USEDCT  = 0x04000000
+    SMK_AUD_PACKED  = 0x80,
+    SMK_AUD_16BITS  = 0x20,
+    SMK_AUD_STEREO  = 0x10,
+    SMK_AUD_BINKAUD = 0x08,
+    SMK_AUD_USEDCT  = 0x04
 };
 
 typedef struct SmackerContext {
@@ -48,6 +48,7 @@ typedef struct SmackerContext {
     uint32_t audio[7];
     uint32_t treesize;
     uint32_t mmap_size, mclr_size, full_size, type_size;
+    uint8_t  aflags[7];
     uint32_t rates[7];
     uint32_t pad;
     /* frame info */
@@ -129,8 +130,10 @@ static int smacker_read_header(AVFormatContext *s, AVFormatParameters *ap)
     smk->mclr_size = avio_rl32(pb);
     smk->full_size = avio_rl32(pb);
     smk->type_size = avio_rl32(pb);
-    for(i = 0; i < 7; i++)
-        smk->rates[i] = avio_rl32(pb);
+    for(i = 0; i < 7; i++) {
+        smk->rates[i]  = avio_rl24(pb);
+        smk->aflags[i] = avio_r8(pb);
+    }
     smk->pad = avio_rl32(pb);
     /* setup data */
     if(smk->frames > 0xFFFFFF) {
@@ -173,23 +176,23 @@ static int smacker_read_header(AVFormatContext *s, AVFormatParameters *ap)
     /* handle possible audio streams */
     for(i = 0; i < 7; i++) {
         smk->indexes[i] = -1;
-        if(smk->rates[i] & 0xFFFFFF){
+        if (smk->rates[i]) {
             ast[i] = av_new_stream(s, 0);
             smk->indexes[i] = ast[i]->index;
             ast[i]->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-            if (smk->rates[i] & SMK_AUD_BINKAUD) {
+            if (smk->aflags[i] & SMK_AUD_BINKAUD) {
                 ast[i]->codec->codec_id = CODEC_ID_BINKAUDIO_RDFT;
-            } else if (smk->rates[i] & SMK_AUD_USEDCT) {
+            } else if (smk->aflags[i] & SMK_AUD_USEDCT) {
                 ast[i]->codec->codec_id = CODEC_ID_BINKAUDIO_DCT;
-            } else if (smk->rates[i] & SMK_AUD_PACKED){
+            } else if (smk->aflags[i] & SMK_AUD_PACKED){
                 ast[i]->codec->codec_id = CODEC_ID_SMACKAUDIO;
                 ast[i]->codec->codec_tag = MKTAG('S', 'M', 'K', 'A');
             } else {
                 ast[i]->codec->codec_id = CODEC_ID_PCM_U8;
             }
-            ast[i]->codec->channels = (smk->rates[i] & SMK_AUD_STEREO) ? 2 : 1;
-            ast[i]->codec->sample_rate = smk->rates[i] & 0xFFFFFF;
-            ast[i]->codec->bits_per_coded_sample = (smk->rates[i] & SMK_AUD_16BITS) ? 16 : 8;
+            ast[i]->codec->channels = (smk->aflags[i] & SMK_AUD_STEREO) ? 2 : 1;
+            ast[i]->codec->sample_rate = smk->rates[i];
+            ast[i]->codec->bits_per_coded_sample = (smk->aflags[i] & SMK_AUD_16BITS) ? 16 : 8;
             if(ast[i]->codec->bits_per_coded_sample == 16 && ast[i]->codec->codec_id == CODEC_ID_PCM_U8)
                 ast[i]->codec->codec_id = CODEC_ID_PCM_S16LE;
             av_set_pts_info(ast[i], 64, 1, ast[i]->codec->sample_rate

libavutil/intfloat_readwrite.c

@@ -30,13 +30,13 @@
 #include "intfloat_readwrite.h"
 
 double av_int2dbl(int64_t v){
-    if(v+v > 0xFFEULL<<52)
+    if((uint64_t)v+v > 0xFFEULL<<52)
         return NAN;
     return ldexp(((v&((1LL<<52)-1)) + (1LL<<52)) * (v>>63|1), (v>>52&0x7FF)-1075);
 }
 
 float av_int2flt(int32_t v){
-    if(v+v > 0xFF000000U)
+    if((uint32_t)v+v > 0xFF000000U)
         return NAN;
     return ldexp(((v&0x7FFFFF) + (1<<23)) * (v>>31|1), (v>>23&0xFF)-150);
 }

libswscale/x86/scale.asm

@@ -369,7 +369,7 @@ cglobal hscale%1to%2_%4_%5, %6, 7, %7
     cvtps2dq      m0, m0
 %endif ; mmx/sse2/ssse3/sse4
 %ifnidn %3, X
-    movu [r1+r2*(4>>r2shr)], m0
+    mova [r1+r2*(4>>r2shr)], m0
 %else ; %3 == X
     movq   [r1+r2*4], m0
 %endif ; %3 ==/!= X