Merge remote-tracking branch 'qatar/master'

* qatar/master:
  build: fix standalone compilation of OMA muxer
  build: fix standalone compilation of Microsoft XMV demuxer
  build: fix standalone compilation of Core Audio Format demuxer
  kvmc: fix invalid reads
  4xm: Add a check in decode_i_frame to prevent buffer overreads
  adpcm: fix IMA SMJPEG decoding
  options: set minimum for "threads" to zero
  bsd: use number of logical CPUs as automatic thread count
  windows: use number of CPUs as automatic thread count
  linux: use number of CPUs as automatic thread count
  pthreads: reset active_thread_type when slice thread_init returrns early
  v410dec: include correct headers
  Drop ALT_ prefix from BITSTREAM_READER_LE name.
  lavfi: always build vsrc_buffer.
  ra144enc: zero the reflection coeffs if the filter is unstable
  sws: readd PAL8 to isPacked()
  mov: Don't stick the QuickTime field ordering atom in extradata.
  truespeech: fix invalid reads in truespeech_apply_twopoint_filter()

Conflicts:
	configure
	libavcodec/4xm.c
	libavcodec/avcodec.h
	libavfilter/Makefile
	libavfilter/allfilters.c
	libavformat/Makefile
	libswscale/swscale_internal.h

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

avconv.c

@@ -2139,6 +2139,7 @@ static int transcode_init(OutputFile *output_files,
             codec->bit_rate       = icodec->bit_rate;
             codec->rc_max_rate    = icodec->rc_max_rate;
             codec->rc_buffer_size = icodec->rc_buffer_size;
+            codec->field_order    = icodec->field_order;
             codec->extradata      = av_mallocz(extra_size);
             if (!codec->extradata) {
                 return AVERROR(ENOMEM);

configure

@@ -1174,6 +1174,7 @@ HAVE_LIST="
     gethrtime
     GetProcessMemoryInfo
     GetProcessTimes
+    GetSystemInfo
     getrusage
     gnu_as
     ibm_asm
@@ -1206,6 +1207,7 @@ HAVE_LIST="
     posix_memalign
     round
     roundf
+    sched_getaffinity
     sdl
     sdl_video_size
     setmode
@@ -1224,6 +1226,7 @@ HAVE_LIST="
     symver
     symver_asm_label
     symver_gnu_asm
+    sysctl
     sys_mman_h
     sys_resource_h
     sys_select_h
@@ -1654,14 +1657,13 @@ postproc_deps="gpl"
 
 # programs
 avconv_deps="avcodec avformat swscale"
-avconv_select="buffer_filter"
 ffplay_deps="avcodec avformat swscale sdl"
 ffplay_select="buffersink_filter rdft"
 ffprobe_deps="avcodec avformat"
 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
 ffserver_extralibs='$ldl'
 ffmpeg_deps="avcodec avformat swscale swresample"
-ffmpeg_select="buffer_filter buffersink_filter"
+ffmpeg_select="buffersink_filter"
 
 doc_deps="texi2html"
 
@@ -3000,12 +3002,15 @@ check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
 check_func  setrlimit
 check_func  strerror_r
 check_func  strptime
+check_func  sched_getaffinity
+check_func  sysctl
 check_func_headers conio.h kbhit
 check_func_headers windows.h PeekNamedPipe
 check_func_headers io.h setmode
 check_func_headers lzo/lzo1x.h lzo1x_999_compress
 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
 check_func_headers windows.h GetProcessTimes
+check_func_headers windows.h GetSystemInfo
 check_func_headers windows.h MapViewOfFile
 check_func_headers windows.h VirtualAlloc
 

ffmpeg.c

@@ -2213,6 +2213,7 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
             codec->bit_rate       = icodec->bit_rate;
             codec->rc_max_rate    = icodec->rc_max_rate;
             codec->rc_buffer_size = icodec->rc_buffer_size;
+            codec->field_order    = icodec->field_order;
             codec->extradata      = av_mallocz(extra_size);
             if (!codec->extradata) {
                 return AVERROR(ENOMEM);

libavcodec/4xm.c

@@ -688,10 +688,13 @@ static int decode_i_frame(FourXContext *f, const uint8_t *buf, int length){
     unsigned int prestream_size;
     const uint8_t *prestream;
 
-    if (bitstream_size > (1<<26) || length < bitstream_size + 12)
-        return -1;
-    prestream_size = 4*AV_RL32(buf + bitstream_size + 4);
-    prestream = buf + bitstream_size + 12;
+    if (bitstream_size > (1<<26) || length < bitstream_size + 12) {
+        av_log(f->avctx, AV_LOG_ERROR, "packet size too small\n");
+        return AVERROR_INVALIDDATA;
+    }
+
+    prestream_size = 4 * AV_RL32(buf + bitstream_size + 4);
+    prestream      = buf + bitstream_size + 12;
 
     if (prestream_size > (1<<26) ||
         prestream_size != length - (bitstream_size + 12)){

libavcodec/adpcm.c

@@ -1007,11 +1007,15 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
         break;
     case CODEC_ID_ADPCM_IMA_AMV:
     case CODEC_ID_ADPCM_IMA_SMJPEG:
-        c->status[0].predictor = (int16_t)bytestream_get_le16(&src);
-        c->status[0].step_index = bytestream_get_le16(&src);
-
-        if (avctx->codec->id == CODEC_ID_ADPCM_IMA_AMV)
-            src+=4;
+        if (avctx->codec->id == CODEC_ID_ADPCM_IMA_AMV) {
+            c->status[0].predictor = sign_extend(bytestream_get_le16(&src), 16);
+            c->status[0].step_index = bytestream_get_le16(&src);
+            src += 4;
+        } else {
+            c->status[0].predictor = sign_extend(bytestream_get_be16(&src), 16);
+            c->status[0].step_index = bytestream_get_byte(&src);
+            src += 1;
+        }
 
         for (n = nb_samples >> (1 - st); n > 0; n--, src++) {
             char hi, lo;

libavcodec/apedec.c

@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "dsputil.h"
 #include "get_bits.h"

libavcodec/avcodec.h

@@ -1335,6 +1335,15 @@ typedef struct AVFrame {
 
 struct AVCodecInternal;
 
+enum AVFieldOrder {
+    AV_FIELD_UNKNOWN,
+    AV_FIELD_PROGRESSIVE,
+    AV_FIELD_TT,          //< Top coded_first, top displayed first
+    AV_FIELD_BB,          //< Bottom coded first, bottom displayed first
+    AV_FIELD_TB,          //< Top coded first, bottom displayed first
+    AV_FIELD_BT,          //< Bottom coded first, top displayed first
+};
+
 /**
  * main external API structure.
  * New fields can be added to the end with minor version bumps.
@@ -3191,6 +3200,12 @@ typedef struct AVCodecContext {
      */
     struct AVCodecInternal *internal;
 
+    /** Field order
+     * - encoding: set by libavcodec
+     * - decoding: Set by libavcodec
+     */
+    enum AVFieldOrder field_order;
+
     /**
      * Current statistics for PTS correction.
      * - decoding: maintained and used by libavcodec, not intended to be used by user apps

libavcodec/bink.c

@@ -27,7 +27,7 @@
 #include "binkdsp.h"
 #include "mathops.h"
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 
 #define BINK_FLAG_ALPHA 0x00100000

libavcodec/binkaudio.c

@@ -29,7 +29,7 @@
  */
 
 #include "avcodec.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "dsputil.h"
 #include "dct.h"

libavcodec/eatgq.c

@@ -29,7 +29,7 @@
  */
 
 #include "avcodec.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "bytestream.h"
 #include "dsputil.h"

libavcodec/eatgv.c

@@ -29,7 +29,7 @@
  */
 
 #include "avcodec.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "libavutil/lzo.h"
 #include "libavutil/imgutils.h"

libavcodec/escape124.c

@@ -21,7 +21,7 @@
 
 #include "avcodec.h"
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 
 typedef union MacroBlock {

libavcodec/escape130.c

@@ -21,7 +21,7 @@
 
 #include "avcodec.h"
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 
 typedef struct Escape130Context {

libavcodec/g723_1.c

@@ -26,7 +26,7 @@
  */
 
 #include "avcodec.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "acelp_vectors.h"
 #include "celp_filters.h"

libavcodec/get_bits.h

@@ -124,7 +124,7 @@ for examples see get_bits, show_bits, skip_bits, get_vlc
 
 #define CLOSE_READER(name, gb) (gb)->index = name##_index
 
-#ifdef ALT_BITSTREAM_READER_LE
+#ifdef BITSTREAM_READER_LE
 
 # ifdef LONG_BITSTREAM_READER
 #   define UPDATE_CACHE(name, gb) name##_cache = \
@@ -164,7 +164,7 @@ for examples see get_bits, show_bits, skip_bits, get_vlc
 
 #define LAST_SKIP_BITS(name, gb, num) SKIP_COUNTER(name, gb, num)
 
-#ifdef ALT_BITSTREAM_READER_LE
+#ifdef BITSTREAM_READER_LE
 #   define SHOW_UBITS(name, gb, num) zero_extend(name##_cache, num)
 #   define SHOW_SBITS(name, gb, num) sign_extend(name##_cache, num)
 #else
@@ -254,7 +254,7 @@ static inline unsigned int get_bits1(GetBitContext *s)
 {
     unsigned int index = s->index;
     uint8_t result = s->buffer[index>>3];
-#ifdef ALT_BITSTREAM_READER_LE
+#ifdef BITSTREAM_READER_LE
     result >>= index & 7;
     result &= 1;
 #else
@@ -288,7 +288,7 @@ static inline unsigned int get_bits_long(GetBitContext *s, int n)
     if (n <= MIN_CACHE_BITS)
         return get_bits(s, n);
     else {
-#ifdef ALT_BITSTREAM_READER_LE
+#ifdef BITSTREAM_READER_LE
         int ret = get_bits(s, 16);
         return ret | (get_bits(s, n-16) << 16);
 #else

libavcodec/indeo2.c

@@ -23,7 +23,7 @@
  * @file
  * Intel Indeo 2 decoder.
  */
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
 #include "indeo2data.h"
@@ -163,7 +163,7 @@ static int ir2_decode_frame(AVCodecContext *avctx,
     s->decode_delta = buf[18];
 
     /* decide whether frame uses deltas or not */
-#ifndef ALT_BITSTREAM_READER_LE
+#ifndef BITSTREAM_READER_LE
     for (i = 0; i < buf_size; i++)
         buf[i] = av_reverse[buf[i]];
 #endif
@@ -205,7 +205,7 @@ static av_cold int ir2_decode_init(AVCodecContext *avctx){
 
     ir2_vlc.table = vlc_tables;
     ir2_vlc.table_allocated = 1 << CODE_VLC_BITS;
-#ifdef ALT_BITSTREAM_READER_LE
+#ifdef BITSTREAM_READER_LE
         init_vlc(&ir2_vlc, CODE_VLC_BITS, IR2_CODES,
                  &ir2_codes[0][1], 4, 2,
                  &ir2_codes[0][0], 4, 2, INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);

libavcodec/indeo2data.h

@@ -26,7 +26,7 @@
 
 #define IR2_CODES 143
 static const uint16_t ir2_codes[IR2_CODES][2] = {
-#ifdef ALT_BITSTREAM_READER_LE
+#ifdef BITSTREAM_READER_LE
 {0x0000,  3}, {0x0004,  3}, {0x0006,  3}, {0x0001,  5},
 {0x0009,  5}, {0x0019,  5}, {0x000D,  5}, {0x001D,  5},
 {0x0023,  6}, {0x0013,  6}, {0x0033,  6}, {0x000B,  6},

libavcodec/indeo5.c

@@ -27,7 +27,7 @@
  * Known FOURCCs: 'IV50'
  */
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"

libavcodec/interplayvideo.c

@@ -41,7 +41,7 @@
 #include "avcodec.h"
 #include "bytestream.h"
 #include "dsputil.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 
 #define PALETTE_COUNT 256

libavcodec/ivi_common.c

@@ -26,7 +26,7 @@
  * Indeo5 decoders.
  */
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
 #include "ivi_common.h"

libavcodec/kmvc.c

@@ -57,17 +57,21 @@ typedef struct BitBuf {
 
 #define kmvc_init_getbits(bb, src)  bb.bits = 7; bb.bitbuf = *src++;
 
-#define kmvc_getbit(bb, src, res) {\
+#define kmvc_getbit(bb, src, src_end, res) {\
     res = 0; \
     if (bb.bitbuf & (1 << bb.bits)) res = 1; \
     bb.bits--; \
     if(bb.bits == -1) { \
+        if (src >= src_end) { \
+            av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n"); \
+            return AVERROR_INVALIDDATA; \
+        } \
         bb.bitbuf = *src++; \
         bb.bits = 7; \
     } \
 }
 
-static void kmvc_decode_intra_8x8(KmvcContext * ctx, const uint8_t * src, int w, int h)
+static int kmvc_decode_intra_8x8(KmvcContext * ctx, const uint8_t * src, int src_size, int w, int h)
 {
     BitBuf bb;
     int res, val;
@@ -75,13 +79,18 @@ static void kmvc_decode_intra_8x8(KmvcContext * ctx, const uint8_t * src, int w,
     int bx, by;
     int l0x, l1x, l0y, l1y;
     int mx, my;
+    const uint8_t *src_end = src + src_size;
 
     kmvc_init_getbits(bb, src);
 
     for (by = 0; by < h; by += 8)
         for (bx = 0; bx < w; bx += 8) {
-            kmvc_getbit(bb, src, res);
+            kmvc_getbit(bb, src, src_end, res);
             if (!res) {         // fill whole 8x8 block
+                if (src >= src_end) {
+                    av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                    return AVERROR_INVALIDDATA;
+                }
                 val = *src++;
                 for (i = 0; i < 64; i++)
                     BLK(ctx->cur, bx + (i & 0x7), by + (i >> 3)) = val;
@@ -89,14 +98,22 @@ static void kmvc_decode_intra_8x8(KmvcContext * ctx, const uint8_t * src, int w,
                 for (i = 0; i < 4; i++) {
                     l0x = bx + (i & 1) * 4;
                     l0y = by + (i & 2) * 2;
-                    kmvc_getbit(bb, src, res);
+                    kmvc_getbit(bb, src, src_end, res);
                     if (!res) {
-                        kmvc_getbit(bb, src, res);
+                        kmvc_getbit(bb, src, src_end, res);
                         if (!res) {     // fill whole 4x4 block
+                            if (src >= src_end) {
+                                av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                return AVERROR_INVALIDDATA;
+                            }
                             val = *src++;
                             for (j = 0; j < 16; j++)
                                 BLK(ctx->cur, l0x + (j & 3), l0y + (j >> 2)) = val;
                         } else {        // copy block from already decoded place
+                            if (src >= src_end) {
+                                av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                return AVERROR_INVALIDDATA;
+                            }
                             val = *src++;
                             mx = val & 0xF;
                             my = val >> 4;
@@ -108,16 +125,24 @@ static void kmvc_decode_intra_8x8(KmvcContext * ctx, const uint8_t * src, int w,
                         for (j = 0; j < 4; j++) {
                             l1x = l0x + (j & 1) * 2;
                             l1y = l0y + (j & 2);
-                            kmvc_getbit(bb, src, res);
+                            kmvc_getbit(bb, src, src_end, res);
                             if (!res) {
-                                kmvc_getbit(bb, src, res);
+                                kmvc_getbit(bb, src, src_end, res);
                                 if (!res) {     // fill whole 2x2 block
+                                    if (src >= src_end) {
+                                        av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                        return AVERROR_INVALIDDATA;
+                                    }
                                     val = *src++;
                                     BLK(ctx->cur, l1x, l1y) = val;
                                     BLK(ctx->cur, l1x + 1, l1y) = val;
                                     BLK(ctx->cur, l1x, l1y + 1) = val;
                                     BLK(ctx->cur, l1x + 1, l1y + 1) = val;
                                 } else {        // copy block from already decoded place
+                                    if (src >= src_end) {
+                                        av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                        return AVERROR_INVALIDDATA;
+                                    }
                                     val = *src++;
                                     mx = val & 0xF;
                                     my = val >> 4;
@@ -140,9 +165,11 @@ static void kmvc_decode_intra_8x8(KmvcContext * ctx, const uint8_t * src, int w,
                 }
             }
         }
+
+    return 0;
 }
 
-static void kmvc_decode_inter_8x8(KmvcContext * ctx, const uint8_t * src, int w, int h)
+static int kmvc_decode_inter_8x8(KmvcContext * ctx, const uint8_t * src, int src_size, int w, int h)
 {
     BitBuf bb;
     int res, val;
@@ -150,15 +177,20 @@ static void kmvc_decode_inter_8x8(KmvcContext * ctx, const uint8_t * src, int w,
     int bx, by;
     int l0x, l1x, l0y, l1y;
     int mx, my;
+    const uint8_t *src_end = src + src_size;
 
     kmvc_init_getbits(bb, src);
 
     for (by = 0; by < h; by += 8)
         for (bx = 0; bx < w; bx += 8) {
-            kmvc_getbit(bb, src, res);
+            kmvc_getbit(bb, src, src_end, res);
             if (!res) {
-                kmvc_getbit(bb, src, res);
+                kmvc_getbit(bb, src, src_end, res);
                 if (!res) {     // fill whole 8x8 block
+                    if (src >= src_end) {
+                        av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                        return AVERROR_INVALIDDATA;
+                    }
                     val = *src++;
                     for (i = 0; i < 64; i++)
                         BLK(ctx->cur, bx + (i & 0x7), by + (i >> 3)) = val;
@@ -171,14 +203,22 @@ static void kmvc_decode_inter_8x8(KmvcContext * ctx, const uint8_t * src, int w,
                 for (i = 0; i < 4; i++) {
                     l0x = bx + (i & 1) * 4;
                     l0y = by + (i & 2) * 2;
-                    kmvc_getbit(bb, src, res);
+                    kmvc_getbit(bb, src, src_end, res);
                     if (!res) {
-                        kmvc_getbit(bb, src, res);
+                        kmvc_getbit(bb, src, src_end, res);
                         if (!res) {     // fill whole 4x4 block
+                            if (src >= src_end) {
+                                av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                return AVERROR_INVALIDDATA;
+                            }
                             val = *src++;
                             for (j = 0; j < 16; j++)
                                 BLK(ctx->cur, l0x + (j & 3), l0y + (j >> 2)) = val;
                         } else {        // copy block
+                            if (src >= src_end) {
+                                av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                return AVERROR_INVALIDDATA;
+                            }
                             val = *src++;
                             mx = (val & 0xF) - 8;
                             my = (val >> 4) - 8;
@@ -190,16 +230,24 @@ static void kmvc_decode_inter_8x8(KmvcContext * ctx, const uint8_t * src, int w,
                         for (j = 0; j < 4; j++) {
                             l1x = l0x + (j & 1) * 2;
                             l1y = l0y + (j & 2);
-                            kmvc_getbit(bb, src, res);
+                            kmvc_getbit(bb, src, src_end, res);
                             if (!res) {
-                                kmvc_getbit(bb, src, res);
+                                kmvc_getbit(bb, src, src_end, res);
                                 if (!res) {     // fill whole 2x2 block
+                                    if (src >= src_end) {
+                                        av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                        return AVERROR_INVALIDDATA;
+                                    }
                                     val = *src++;
                                     BLK(ctx->cur, l1x, l1y) = val;
                                     BLK(ctx->cur, l1x + 1, l1y) = val;
                                     BLK(ctx->cur, l1x, l1y + 1) = val;
                                     BLK(ctx->cur, l1x + 1, l1y + 1) = val;
                                 } else {        // copy block
+                                    if (src >= src_end) {
+                                        av_log(ctx->avctx, AV_LOG_ERROR, "Data overrun\n");
+                                        return AVERROR_INVALIDDATA;
+                                    }
                                     val = *src++;
                                     mx = (val & 0xF) - 8;
                                     my = (val >> 4) - 8;
@@ -222,6 +270,8 @@ static void kmvc_decode_inter_8x8(KmvcContext * ctx, const uint8_t * src, int w,
                 }
             }
         }
+
+    return 0;
 }
 
 static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPacket *avpkt)
@@ -299,10 +349,10 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
         memcpy(ctx->cur, ctx->prev, 320 * 200);
         break;
     case 3:
-        kmvc_decode_intra_8x8(ctx, buf, avctx->width, avctx->height);
+        kmvc_decode_intra_8x8(ctx, buf, buf_size, avctx->width, avctx->height);
         break;
     case 4:
-        kmvc_decode_inter_8x8(ctx, buf, avctx->width, avctx->height);
+        kmvc_decode_inter_8x8(ctx, buf, buf_size, avctx->width, avctx->height);
         break;
     default:
         av_log(avctx, AV_LOG_ERROR, "Unknown compression method %i\n", header & KMVC_METHOD);

libavcodec/mjpegdec.c

@@ -112,12 +112,9 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
             build_basic_mjpeg_vlc(s);
         }
     }
-    if (avctx->extradata_size > 9 &&
-        AV_RL32(avctx->extradata + 4) == MKTAG('f','i','e','l')) {
-        if (avctx->extradata[9] == 6) { /* quicktime icefloe 019 */
-            s->interlace_polarity = 1; /* bottom field first */
-            av_log(avctx, AV_LOG_DEBUG, "mjpeg bottom field first\n");
-        }
+    if (avctx->field_order == AV_FIELD_BB) { /* quicktime icefloe 019 */
+        s->interlace_polarity = 1; /* bottom field first */
+        av_log(avctx, AV_LOG_DEBUG, "mjpeg bottom field first\n");
     }
     if (avctx->codec->id == CODEC_ID_AMV)
         s->flipped = 1;

libavcodec/msgsmdec.c

@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "msgsmdec.h"
 #include "gsmdec_template.c"

libavcodec/nellymoser.c

@@ -35,7 +35,7 @@
 #include "avcodec.h"
 #include "dsputil.h"
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 
 const float ff_nelly_dequantization_table[127] = {

libavcodec/nellymoserdec.c

@@ -41,7 +41,7 @@
 #include "fmtconvert.h"
 #include "sinewin.h"
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 
 

libavcodec/options.c

@@ -371,7 +371,8 @@ static const AVOption options[]={
 {"float", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_AA_FLOAT }, INT_MIN, INT_MAX, V|D, "aa"},
 #endif
 {"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
-{"threads", NULL, OFFSET(thread_count), AV_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E|D},
+{"threads", NULL, OFFSET(thread_count), AV_OPT_TYPE_INT, {.dbl = 1 }, 0, INT_MAX, V|E|D, "threads"},
+{"auto", "detect a good number of threads", 0, AV_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, V|E|D, "threads"},
 {"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
 {"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
 {"dc", "intra_dc_precision", OFFSET(intra_dc_precision), AV_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V|E},

libavcodec/pthread.c

@@ -30,6 +30,17 @@
  */
 
 #include "config.h"
+
+#if HAVE_SCHED_GETAFFINITY
+#define _GNU_SOURCE
+#include <sched.h>
+#elif HAVE_GETSYSTEMINFO
+#include <windows.h>
+#elif HAVE_SYSCTL
+#include <sys/sysctl.h>
+#include <sys/types.h>
+#endif
+
 #include "avcodec.h"
 #include "internal.h"
 #include "thread.h"
@@ -135,6 +146,40 @@ typedef struct FrameThreadContext {
     int die;                       ///< Set when threads should exit.
 } FrameThreadContext;
 
+
+/* H264 slice threading seems to be buggy with more than 16 threads,
+ * limit the number of threads to 16 for automatic detection */
+#define MAX_AUTO_THREADS 16
+
+static int get_logical_cpus(AVCodecContext *avctx)
+{
+    int ret, nb_cpus = 1;
+#if HAVE_SCHED_GETAFFINITY
+    cpu_set_t cpuset;
+
+    CPU_ZERO(&cpuset);
+
+    ret = sched_getaffinity(0, sizeof(cpuset), &cpuset);
+    if (!ret) {
+        nb_cpus = CPU_COUNT(&cpuset);
+    }
+#elif HAVE_GETSYSTEMINFO
+    SYSTEM_INFO sysinfo;
+    GetSystemInfo(&sysinfo);
+    nb_cpus = sysinfo.dwNumberOfProcessors;
+#elif HAVE_SYSCTL
+    int mib[2] = { CTL_HW, HW_NCPU };
+    size_t len = sizeof(nb_cpus);
+
+    ret = sysctl(mib, 2, &nb_cpus, &len, NULL, 0);
+    if (ret == -1)
+        nb_cpus = 0;
+#endif
+    av_log(avctx, AV_LOG_DEBUG, "detected %d logical cores\n", nb_cpus);
+    return FFMIN(nb_cpus, MAX_AUTO_THREADS);
+}
+
+
 static void* attribute_align_arg worker(void *v)
 {
     AVCodecContext *avctx = v;
@@ -239,8 +284,17 @@ static int thread_init(AVCodecContext *avctx)
     ThreadContext *c;
     int thread_count = avctx->thread_count;
 
-    if (thread_count <= 1)
+    if (!thread_count) {
+        int nb_cpus = get_logical_cpus(avctx);
+        // use number of cores + 1 as thread count if there is motre than one
+        if (nb_cpus > 1)
+            thread_count = avctx->thread_count = nb_cpus + 1;
+    }
+
+    if (thread_count <= 1) {
+        avctx->active_thread_type = 0;
         return 0;
+    }
 
     c = av_mallocz(sizeof(ThreadContext));
     if (!c)
@@ -704,6 +758,13 @@ static int frame_thread_init(AVCodecContext *avctx)
     FrameThreadContext *fctx;
     int i, err = 0;
 
+    if (!thread_count) {
+        int nb_cpus = get_logical_cpus(avctx);
+        // use number of cores + 1 as thread count if there is motre than one
+        if (nb_cpus > 1)
+            thread_count = avctx->thread_count = nb_cpus + 1;
+    }
+
     if (thread_count <= 1) {
         avctx->active_thread_type = 0;
         return 0;

libavcodec/qdm2.c

@@ -35,7 +35,7 @@
 #include <stddef.h>
 #include <stdio.h>
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"

libavcodec/ra144enc.c

@@ -477,7 +477,10 @@ static int ra144_encode_frame(AVCodecContext *avctx, uint8_t *frame,
          * The filter is unstable: use the coefficients of the previous frame.
          */
         ff_int_to_int16(block_coefs[NBLOCKS - 1], ractx->lpc_coef[1]);
-        ff_eval_refl(lpc_refl, block_coefs[NBLOCKS - 1], avctx);
+        if (ff_eval_refl(lpc_refl, block_coefs[NBLOCKS - 1], avctx)) {
+            /* the filter is still unstable. set reflection coeffs to zero. */
+            memset(lpc_refl, 0, sizeof(lpc_refl));
+        }
     }
     init_put_bits(&pb, frame, buf_size);
     for (i = 0; i < LPC_ORDER; i++) {

libavcodec/ra288.c

@@ -20,7 +20,7 @@
  */
 
 #include "avcodec.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "ra288.h"
 #include "lpc.h"

libavcodec/sipr.c

@@ -27,7 +27,7 @@
 
 #include "libavutil/mathematics.h"
 #include "avcodec.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "dsputil.h"
 

libavcodec/smacker.c

@@ -35,7 +35,7 @@
 #include "libavutil/audioconvert.h"
 #include "mathops.h"
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "bytestream.h"
 

libavcodec/tiertexseqv.c

@@ -25,7 +25,7 @@
  */
 
 #include "avcodec.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 
 

libavcodec/truespeech.c

@@ -179,6 +179,7 @@ static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
     for(i = 0; i < 146; i++)
         tmp[i] = dec->filtbuf[i];
     off = (t / 25) + dec->offset1[quart >> 1] + 18;
+    off = av_clip(off, 0, 145);
     ptr0 = tmp + 145 - off;
     ptr1 = tmp + 146;
     filter = (const int16_t*)ts_order2_coeffs + (t % 25) * 2;

libavcodec/tta.c

@@ -27,7 +27,7 @@
  * @author Alex Beregszaszi
  */
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 //#define DEBUG
 #include <limits.h>
 #include "avcodec.h"

libavcodec/v410dec.c

@@ -20,8 +20,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/intreadwrite.h"
 #include "avcodec.h"
-#include "get_bits.h"
 
 static av_cold int v410_decode_init(AVCodecContext *avctx)
 {

libavcodec/vble.c

@@ -24,7 +24,7 @@
  * VBLE Decoder
  */
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 
 #include "avcodec.h"
 #include "dsputil.h"

libavcodec/vorbis.c

@@ -26,7 +26,7 @@
  * @author Denes Balatoni  ( dbalatoni programozo hu )
  */
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
 

libavcodec/vorbisdec.c

@@ -29,7 +29,7 @@
 #include <inttypes.h>
 #include <math.h>
 
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"

libavcodec/wavpack.c

@@ -18,7 +18,7 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
 #include "unary.h"

libavcodec/xan.c

@@ -35,7 +35,7 @@
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "bytestream.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 // for av_memcpy_backptr
 #include "libavutil/lzo.h"

libavcodec/xxan.c

@@ -23,7 +23,7 @@
 #include "avcodec.h"
 #include "libavutil/intreadwrite.h"
 #include "bytestream.h"
-#define ALT_BITSTREAM_READER_LE
+#define BITSTREAM_READER_LE
 #include "get_bits.h"
 // for av_memcpy_backptr
 #include "libavutil/lzo.h"

libavfilter/Makefile

@@ -20,6 +20,7 @@ OBJS = allfilters.o                                                     \
        formats.o                                                        \
        graphparser.o                                                    \
        transform.o                                                      \
+       vsrc_buffer.o
 
 OBJS-$(CONFIG_AVCODEC)                       += avcodec.o
 
@@ -83,7 +84,6 @@ OBJS-$(CONFIG_UNSHARP_FILTER)                += vf_unsharp.o
 OBJS-$(CONFIG_VFLIP_FILTER)                  += vf_vflip.o
 OBJS-$(CONFIG_YADIF_FILTER)                  += vf_yadif.o
 
-OBJS-$(CONFIG_BUFFER_FILTER)                 += vsrc_buffer.o
 OBJS-$(CONFIG_CELLAUTO_FILTER)               += vsrc_cellauto.o
 OBJS-$(CONFIG_COLOR_FILTER)                  += vsrc_color.o
 OBJS-$(CONFIG_FREI0R_SRC_FILTER)             += vf_frei0r.o

libavfilter/allfilters.c

@@ -94,7 +94,6 @@ void avfilter_register_all(void)
     REGISTER_FILTER (VFLIP,       vflip,       vf);
     REGISTER_FILTER (YADIF,       yadif,       vf);
 
-    REGISTER_FILTER (BUFFER,      buffer,      vsrc);
     REGISTER_FILTER (CELLAUTO,    cellauto,    vsrc);
     REGISTER_FILTER (COLOR,       color,       vsrc);
     REGISTER_FILTER (FREI0R,      frei0r_src,  vsrc);
@@ -108,4 +107,10 @@ void avfilter_register_all(void)
 
     REGISTER_FILTER (BUFFERSINK,  buffersink,  vsink);
     REGISTER_FILTER (NULLSINK,    nullsink,    vsink);
+
+    /* vsrc_buffer is a part of public API => registered unconditionally */
+    {
+        extern avfilter_vsrc_buffer;
+        avfilter_register(&avfilter_vsrc_buffer);
+    }
 }

libavformat/Makefile

@@ -56,7 +56,8 @@ OBJS-$(CONFIG_BIT_DEMUXER)               += bit.o
 OBJS-$(CONFIG_BIT_MUXER)                 += bit.o
 OBJS-$(CONFIG_BMV_DEMUXER)               += bmv.o
 OBJS-$(CONFIG_C93_DEMUXER)               += c93.o vocdec.o voc.o
-OBJS-$(CONFIG_CAF_DEMUXER)               += cafdec.o caf.o mov.o riff.o isom.o
+OBJS-$(CONFIG_CAF_DEMUXER)               += cafdec.o caf.o mov.o mov_chan.o \
+                                            riff.o isom.o
 OBJS-$(CONFIG_CAF_MUXER)                 += cafenc.o caf.o riff.o isom.o
 OBJS-$(CONFIG_CAVSVIDEO_DEMUXER)         += cavsvideodec.o rawdec.o
 OBJS-$(CONFIG_CAVSVIDEO_MUXER)           += rawenc.o
@@ -195,7 +196,7 @@ OBJS-$(CONFIG_OGG_DEMUXER)               += oggdec.o         \
 OBJS-$(CONFIG_OGG_MUXER)                 += oggenc.o \
                                             vorbiscomment.o
 OBJS-$(CONFIG_OMA_DEMUXER)               += omadec.o pcm.o oma.o
-OBJS-$(CONFIG_OMA_MUXER)                 += omaenc.o rawenc.o oma.o
+OBJS-$(CONFIG_OMA_MUXER)                 += omaenc.o rawenc.o oma.o id3v2enc.o
 OBJS-$(CONFIG_PCM_ALAW_DEMUXER)          += pcmdec.o pcm.o rawdec.o
 OBJS-$(CONFIG_PCM_ALAW_MUXER)            += pcmenc.o rawenc.o
 OBJS-$(CONFIG_PCM_F32BE_DEMUXER)         += pcmdec.o pcm.o rawdec.o
@@ -331,7 +332,7 @@ OBJS-$(CONFIG_WTV_MUXER)                 += wtvenc.o wtv.o asf.o asfenc.o riff.o
 OBJS-$(CONFIG_WV_DEMUXER)                += wv.o apetag.o
 OBJS-$(CONFIG_XA_DEMUXER)                += xa.o
 OBJS-$(CONFIG_XBIN_DEMUXER)              += bintext.o sauce.o
-OBJS-$(CONFIG_XMV_DEMUXER)               += xmv.o
+OBJS-$(CONFIG_XMV_DEMUXER)               += xmv.o riff.o
 OBJS-$(CONFIG_XWMA_DEMUXER)              += xwma.o riff.o
 OBJS-$(CONFIG_YOP_DEMUXER)               += yop.o
 OBJS-$(CONFIG_YUV4MPEGPIPE_MUXER)        += yuv4mpeg.o

libavformat/mov.c

@@ -857,6 +857,40 @@ static int mov_read_enda(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     return 0;
 }
 
+static int mov_read_fiel(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+    AVStream *st;
+    unsigned mov_field_order;
+    enum AVFieldOrder decoded_field_order = AV_FIELD_UNKNOWN;
+
+    if (c->fc->nb_streams < 1) // will happen with jp2 files
+        return 0;
+    st = c->fc->streams[c->fc->nb_streams-1];
+    if (atom.size < 2)
+        return AVERROR_INVALIDDATA;
+    mov_field_order = avio_rb16(pb);
+    if ((mov_field_order & 0xFF00) == 0x0100)
+        decoded_field_order = AV_FIELD_PROGRESSIVE;
+    else if ((mov_field_order & 0xFF00) == 0x0200) {
+        switch (mov_field_order & 0xFF) {
+        case 0x01: decoded_field_order = AV_FIELD_TT;
+                   break;
+        case 0x06: decoded_field_order = AV_FIELD_BB;
+                   break;
+        case 0x09: decoded_field_order = AV_FIELD_TB;
+                   break;
+        case 0x0E: decoded_field_order = AV_FIELD_BT;
+                   break;
+        }
+    }
+    if (decoded_field_order == AV_FIELD_UNKNOWN && mov_field_order) {
+        av_log(NULL, AV_LOG_ERROR, "Unknown MOV field order 0x%04x\n", mov_field_order);
+    }
+    st->codec->field_order = decoded_field_order;
+
+    return 0;
+}
+
 /* FIXME modify qdm2/svq3/h264 decoders to take full atom as extradata */
 static int mov_read_extradata(MOVContext *c, AVIOContext *pb, MOVAtom atom,
                               enum CodecID codec_id)
@@ -898,11 +932,6 @@ static int mov_read_avss(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     return mov_read_extradata(c, pb, atom, CODEC_ID_AVS);
 }
 
-static int mov_read_fiel(MOVContext *c, AVIOContext *pb, MOVAtom atom)
-{
-    return mov_read_extradata(c, pb, atom, CODEC_ID_MJPEG);
-}
-
 static int mov_read_jp2h(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     return mov_read_extradata(c, pb, atom, CODEC_ID_JPEG2000);
@@ -950,6 +979,15 @@ static int mov_read_glbl(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if ((uint64_t)atom.size > (1<<30))
         return -1;
 
+    if (atom.size >= 10) {
+        // Broken files created by legacy versions of Libav and FFmpeg will
+        // wrap a whole fiel atom inside of a glbl atom.
+        unsigned size = avio_rb32(pb);
+        unsigned type = avio_rl32(pb);
+        avio_seek(pb, -8, SEEK_CUR);
+        if (type == MKTAG('f','i','e','l') && size == atom.size)
+            return mov_read_default(c, pb, atom);
+    }
     av_free(st->codec->extradata);
     st->codec->extradata = av_mallocz(atom.size + FF_INPUT_BUFFER_PADDING_SIZE);
     if (!st->codec->extradata)

libavformat/movenc.c

@@ -799,6 +799,23 @@ static int mov_write_uuid_tag_ipod(AVIOContext *pb)
     return 28;
 }
 
+static const uint16_t fiel_data[] = {
+    0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
+};
+
+static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
+{
+    unsigned mov_field_order = 0;
+    if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
+        mov_field_order = fiel_data[track->enc->field_order];
+    else
+        return 0;
+    avio_wb32(pb, 10);
+    ffio_wfourcc(pb, "fiel");
+    avio_wb16(pb, mov_field_order);
+    return 10;
+}
+
 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
 {
     int64_t pos = avio_tell(pb);
@@ -885,7 +902,9 @@ static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
         mov_write_avcc_tag(pb, track);
         if(track->mode == MODE_IPOD)
             mov_write_uuid_tag_ipod(pb);
-    } else if(track->vosLen > 0)
+    } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
+        mov_write_fiel_tag(pb, track);
+    else if(track->vosLen > 0)
         mov_write_glbl_tag(pb, track);
 
     if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&

libswscale/swscale_internal.h

@@ -655,9 +655,11 @@ const char *sws_format_name(enum PixelFormat format);
         ||  isBGRinInt(x)           \
     )
 #else
-#define isPacked(x) \
+#define isPacked(x) (\
     (av_pix_fmt_descriptors[x].nb_components >= 2 && \
-     !(av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR))
+     !(av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR)) || \
+    (x) == PIX_FMT_PAL8\
+    )
 
 #endif
 #define isPlanar(x) \