avformat/mov: Check for string truncation in mov_open_dref()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 8003816e16)

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

RELEASE

@@ -1 +1 @@
-2.2.13
+2.2.14

configure

@@ -1539,6 +1539,7 @@ HAVE_LIST="
     alsa_asoundlib_h
     altivec_h
     arpa_inet_h
+    as_object_arch
     asm_mod_q
     asm_types_h
     atomic_cas_ptr
@@ -4154,6 +4155,11 @@ EOF
 
     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
 
+    # llvm's integrated assembler supports .object_arch from llvm 3.5
+    [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
+.object_arch armv4
+EOF
+
     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
 
 elif enabled mips; then
@@ -4640,7 +4646,7 @@ enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
 if enabled libcdio; then
     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
-    die "ERROR: libcdio-paranoia not found"
+    die "ERROR: No usable libcdio/cdparanoia found"
 fi
 
 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib

doc/Doxyfile

@@ -31,7 +31,7 @@ PROJECT_NAME           = FFmpeg
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 2.2.13
+PROJECT_NUMBER         = 2.2.14
 
 # With the PROJECT_LOGO tag one can specify a logo or icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55

doc/faq.texi

@@ -298,7 +298,7 @@ FFmpeg has a @url{http://ffmpeg.org/ffmpeg-protocols.html#concat,
 @code{concat}} protocol designed specifically for that, with examples in the
 documentation.
 
-A few multimedia containers (MPEG-1, MPEG-2 PS, DV) allow to concatenate
+A few multimedia containers (MPEG-1, MPEG-2 PS, DV) allow one to concatenate
 video by merely concatenating the files containing them.
 
 Hence you may concatenate your multimedia files by first transcoding them to

doc/ffserver.texi

@@ -71,7 +71,7 @@ the HTTP server (configured through the @option{Port} option), and
 configuration file.
 
 Each feed is associated to a file which is stored on disk. This stored
-file is used to allow to send pre-recorded data to a player as fast as
+file is used to send pre-recorded data to a player as fast as
 possible when new content is added in real-time to the stream.
 
 A "live-stream" or "stream" is a resource published by

doc/filters.texi

@@ -3143,7 +3143,7 @@ Set number overlapping pixels for each block. Each block is of size
 @code{16x16}. Since the filter can be slow, you may want to reduce this value,
 at the cost of a less effective filter and the risk of various artefacts.
 
-If the overlapping value doesn't allow to process the whole input width or
+If the overlapping value doesn't permit processing the whole input width or
 height, a warning will be displayed and according borders won't be denoised.
 
 Default value is @code{15}.

doc/formats.texi

@@ -23,7 +23,7 @@ Reduce buffering.
 
 @item probesize @var{integer} (@emph{input})
 Set probing size in bytes, i.e. the size of the data to analyze to get
-stream information. A higher value will allow to detect more
+stream information. A higher value will enable detecting more
 information in case it is dispersed into the stream, but will increase
 latency. Must be an integer not lesser than 32. It is 5000000 by default.
 
@@ -63,7 +63,7 @@ Default is 0.
 
 @item analyzeduration @var{integer} (@emph{input})
 Specify how many microseconds are analyzed to probe the input. A
-higher value will allow to detect more accurate information, but will
+higher value will enable detecting more accurate information, but will
 increase latency. It defaults to 5,000,000 microseconds = 5 seconds.
 
 @item cryptokey @var{hexadecimal string} (@emph{input})

doc/indevs.texi

@@ -1,7 +1,7 @@
 @chapter Input Devices
 @c man begin INPUT DEVICES
 
-Input devices are configured elements in FFmpeg which allow to access
+Input devices are configured elements in FFmpeg which enable accessing
 the data coming from a multimedia device attached to your system.
 
 When you configure your FFmpeg build, all the supported input devices

doc/protocols.texi

@@ -982,8 +982,8 @@ Set raise error timeout, expressed in microseconds.
 This option is only relevant in read mode: if no data arrived in more
 than this time interval, raise error.
 
-@item listen_timeout=@var{microseconds}
-Set listen timeout, expressed in microseconds.
+@item listen_timeout=@var{milliseconds}
+Set listen timeout, expressed in milliseconds.
 @end table
 
 The following example shows how to setup a listening TCP connection

doc/utils.texi

@@ -841,7 +841,7 @@ Return 1.0 if @var{x} is +/-INFINITY, 0.0 otherwise.
 Return 1.0 if @var{x} is NAN, 0.0 otherwise.
 
 @item ld(var)
-Allow to load the value of the internal variable with number
+Load the value of the internal variable with number
 @var{var}, which was previously stored with st(@var{var}, @var{expr}).
 The function returns the loaded value.
 
@@ -909,7 +909,7 @@ Compute the square root of @var{expr}. This is equivalent to
 Compute expression @code{1/(1 + exp(4*x))}.
 
 @item st(var, expr)
-Allow to store the value of the expression @var{expr} in an internal
+Store the value of the expression @var{expr} in an internal
 variable. @var{var} specifies the number of the variable where to
 store the value, and it is a value ranging from 0 to 9. The function
 returns the value stored in the internal variable.

libavcodec/012v.c

@@ -38,15 +38,15 @@ static av_cold int zero12v_decode_init(AVCodecContext *avctx)
 static int zero12v_decode_frame(AVCodecContext *avctx, void *data,
                                 int *got_frame, AVPacket *avpkt)
 {
-    int line = 0, ret;
+    int line, ret;
     const int width = avctx->width;
     AVFrame *pic = data;
     uint16_t *y, *u, *v;
     const uint8_t *line_end, *src = avpkt->data;
     int stride = avctx->width * 8 / 3;
 
-    if (width == 1) {
-        av_log(avctx, AV_LOG_ERROR, "Width 1 not supported.\n");
+    if (width <= 1 || avctx->height <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "Dimensions %dx%d not supported.\n", width, avctx->height);
         return AVERROR_INVALIDDATA;
     }
 
@@ -67,45 +67,45 @@ static int zero12v_decode_frame(AVCodecContext *avctx, void *data,
     pic->pict_type = AV_PICTURE_TYPE_I;
     pic->key_frame = 1;
 
-    y = (uint16_t *)pic->data[0];
-    u = (uint16_t *)pic->data[1];
-    v = (uint16_t *)pic->data[2];
     line_end = avpkt->data + stride;
+    for (line = 0; line < avctx->height; line++) {
+        uint16_t y_temp[6] = {0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000};
+        uint16_t u_temp[3] = {0x8000, 0x8000, 0x8000};
+        uint16_t v_temp[3] = {0x8000, 0x8000, 0x8000};
+        int x;
+        y = (uint16_t *)(pic->data[0] + line * pic->linesize[0]);
+        u = (uint16_t *)(pic->data[1] + line * pic->linesize[1]);
+        v = (uint16_t *)(pic->data[2] + line * pic->linesize[2]);
 
-    while (line++ < avctx->height) {
-        while (1) {
-            uint32_t t = AV_RL32(src);
+        for (x = 0; x < width; x += 6) {
+            uint32_t t;
+
+            if (width - x < 6 || line_end - src < 16) {
+                y = y_temp;
+                u = u_temp;
+                v = v_temp;
+            }
+
+            if (line_end - src < 4)
+                break;
+
+            t = AV_RL32(src);
             src += 4;
             *u++ = t <<  6 & 0xFFC0;
             *y++ = t >>  4 & 0xFFC0;
             *v++ = t >> 14 & 0xFFC0;
 
-            if (src >= line_end - 1) {
-                *y = 0x80;
-                src++;
-                line_end += stride;
-                y = (uint16_t *)(pic->data[0] + line * pic->linesize[0]);
-                u = (uint16_t *)(pic->data[1] + line * pic->linesize[1]);
-                v = (uint16_t *)(pic->data[2] + line * pic->linesize[2]);
+            if (line_end - src < 4)
                 break;
-            }
 
             t = AV_RL32(src);
             src += 4;
             *y++ = t <<  6 & 0xFFC0;
             *u++ = t >>  4 & 0xFFC0;
             *y++ = t >> 14 & 0xFFC0;
-            if (src >= line_end - 2) {
-                if (!(width & 1)) {
-                    *y = 0x80;
-                    src += 2;
-                }
-                line_end += stride;
-                y = (uint16_t *)(pic->data[0] + line * pic->linesize[0]);
-                u = (uint16_t *)(pic->data[1] + line * pic->linesize[1]);
-                v = (uint16_t *)(pic->data[2] + line * pic->linesize[2]);
+
+            if (line_end - src < 4)
                 break;
-            }
 
             t = AV_RL32(src);
             src += 4;
@@ -113,15 +113,8 @@ static int zero12v_decode_frame(AVCodecContext *avctx, void *data,
             *y++ = t >>  4 & 0xFFC0;
             *u++ = t >> 14 & 0xFFC0;
 
-            if (src >= line_end - 1) {
-                *y = 0x80;
-                src++;
-                line_end += stride;
-                y = (uint16_t *)(pic->data[0] + line * pic->linesize[0]);
-                u = (uint16_t *)(pic->data[1] + line * pic->linesize[1]);
-                v = (uint16_t *)(pic->data[2] + line * pic->linesize[2]);
+            if (line_end - src < 4)
                 break;
-            }
 
             t = AV_RL32(src);
             src += 4;
@@ -129,18 +122,21 @@ static int zero12v_decode_frame(AVCodecContext *avctx, void *data,
             *v++ = t >>  4 & 0xFFC0;
             *y++ = t >> 14 & 0xFFC0;
 
-            if (src >= line_end - 2) {
-                if (width & 1) {
-                    *y = 0x80;
-                    src += 2;
-                }
-                line_end += stride;
-                y = (uint16_t *)(pic->data[0] + line * pic->linesize[0]);
-                u = (uint16_t *)(pic->data[1] + line * pic->linesize[1]);
-                v = (uint16_t *)(pic->data[2] + line * pic->linesize[2]);
+            if (width - x < 6)
                 break;
-            }
         }
+
+        if (x < width) {
+            y = x   + (uint16_t *)(pic->data[0] + line * pic->linesize[0]);
+            u = x/2 + (uint16_t *)(pic->data[1] + line * pic->linesize[1]);
+            v = x/2 + (uint16_t *)(pic->data[2] + line * pic->linesize[2]);
+            memcpy(y, y_temp, sizeof(*y) * (width - x));
+            memcpy(u, u_temp, sizeof(*u) * (width - x + 1) / 2);
+            memcpy(v, v_temp, sizeof(*v) * (width - x + 1) / 2);
+        }
+
+        line_end += stride;
+        src = line_end - stride;
     }
 
     *got_frame = 1;

libavcodec/a64multienc.c

@@ -78,9 +78,13 @@ static void to_meta_with_crop(AVCodecContext *avctx, AVFrame *p, int *dest)
             for (y = blocky; y < blocky + 8 && y < C64YRES; y++) {
                 for (x = blockx; x < blockx + 8 && x < C64XRES; x += 2) {
                     if(x < width && y < height) {
-                        /* build average over 2 pixels */
-                        luma = (src[(x + 0 + y * p->linesize[0])] +
-                                src[(x + 1 + y * p->linesize[0])]) / 2;
+                        if (x + 1 < width) {
+                            /* build average over 2 pixels */
+                            luma = (src[(x + 0 + y * p->linesize[0])] +
+                                    src[(x + 1 + y * p->linesize[0])]) / 2;
+                        } else {
+                            luma = src[(x + y * p->linesize[0])];
+                        }
                         /* write blocks as linear data now so they are suitable for elbg */
                         dest[0] = luma;
                     }
@@ -317,7 +321,9 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     } else {
         /* fill up mc_meta_charset with data until lifetime exceeds */
         if (c->mc_frame_counter < c->mc_lifetime) {
-            *p = *pict;
+            ret = av_frame_ref(p, pict);
+            if (ret < 0)
+                return ret;
             p->pict_type = AV_PICTURE_TYPE_I;
             p->key_frame = 1;
             to_meta_with_crop(avctx, p, meta + 32000 * c->mc_frame_counter);
@@ -334,8 +340,8 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         req_size = 0;
         /* any frames to encode? */
         if (c->mc_lifetime) {
-            req_size = charset_size + c->mc_lifetime*(screen_size + colram_size);
-            if ((ret = ff_alloc_packet2(avctx, pkt, req_size)) < 0)
+            int alloc_size = charset_size + c->mc_lifetime*(screen_size + colram_size);
+            if ((ret = ff_alloc_packet2(avctx, pkt, alloc_size)) < 0)
                 return ret;
             buf = pkt->data;
 
@@ -352,6 +358,7 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
             /* advance pointers */
             buf      += charset_size;
             charset  += charset_size;
+            req_size += charset_size;
         }
 
         /* write x frames to buf */

libavcodec/aacenc.c

@@ -165,7 +165,7 @@ static void put_audio_specific_config(AVCodecContext *avctx)
     PutBitContext pb;
     AACEncContext *s = avctx->priv_data;
 
-    init_put_bits(&pb, avctx->extradata, avctx->extradata_size*8);
+    init_put_bits(&pb, avctx->extradata, avctx->extradata_size);
     put_bits(&pb, 5, 2); //object type - AAC-LC
     put_bits(&pb, 4, s->samplerate_index); //sample rate index
     put_bits(&pb, 4, s->channels);

libavcodec/adpcmenc.c

@@ -541,7 +541,7 @@ static int adpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     case AV_CODEC_ID_ADPCM_IMA_QT:
     {
         PutBitContext pb;
-        init_put_bits(&pb, dst, pkt_size * 8);
+        init_put_bits(&pb, dst, pkt_size);
 
         for (ch = 0; ch < avctx->channels; ch++) {
             ADPCMChannelStatus *status = &c->status[ch];
@@ -571,7 +571,7 @@ static int adpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     case AV_CODEC_ID_ADPCM_SWF:
     {
         PutBitContext pb;
-        init_put_bits(&pb, dst, pkt_size * 8);
+        init_put_bits(&pb, dst, pkt_size);
 
         n = frame->nb_samples - 1;
 

libavcodec/aic.c

@@ -437,8 +437,8 @@ static av_cold int aic_decode_init(AVCodecContext *avctx)
     ctx->mb_width  = FFALIGN(avctx->width,  16) >> 4;
     ctx->mb_height = FFALIGN(avctx->height, 16) >> 4;
 
-    ctx->num_x_slices = 16;
-    ctx->slice_width  = ctx->mb_width / 16;
+    ctx->num_x_slices = (ctx->mb_width + 15) >> 4;
+    ctx->slice_width  = 16;
     for (i = 1; i < 32; i++) {
         if (!(ctx->mb_width % i) && (ctx->mb_width / i < 32)) {
             ctx->slice_width  = ctx->mb_width / i;

libavcodec/eamad.c

@@ -145,6 +145,11 @@ static inline int decode_block_intra(MadContext *s, int16_t * block)
                 break;
             } else if (level != 0) {
                 i += run;
+                if (i > 63) {
+                    av_log(s->avctx, AV_LOG_ERROR,
+                           "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
+                    return -1;
+                }
                 j = scantable[i];
                 level = (level*quant_matrix[j]) >> 4;
                 level = (level-1)|1;
@@ -159,6 +164,11 @@ static inline int decode_block_intra(MadContext *s, int16_t * block)
                 run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
 
                 i += run;
+                if (i > 63) {
+                    av_log(s->avctx, AV_LOG_ERROR,
+                           "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
+                    return -1;
+                }
                 j = scantable[i];
                 if (level < 0) {
                     level = -level;
@@ -170,10 +180,6 @@ static inline int decode_block_intra(MadContext *s, int16_t * block)
                     level = (level-1)|1;
                 }
             }
-            if (i > 63) {
-                av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
-                return -1;
-            }
 
             block[j] = level;
         }

libavcodec/faxcompr.c

@@ -251,7 +251,7 @@ static void put_line(uint8_t *dst, int size, int width, const int *runs)
     PutBitContext pb;
     int run, mode = ~0, pix_left = width, run_idx = 0;
 
-    init_put_bits(&pb, dst, size * 8);
+    init_put_bits(&pb, dst, size);
     while (pix_left > 0) {
         run       = runs[run_idx++];
         mode      = ~mode;

libavcodec/flashsv2enc.c

@@ -287,7 +287,7 @@ static int write_header(FlashSV2Context * s, uint8_t * buf, int buf_size)
     if (buf_size < 5)
         return -1;
 
-    init_put_bits(&pb, buf, buf_size * 8);
+    init_put_bits(&pb, buf, buf_size);
 
     put_bits(&pb, 4, (s->block_width  >> 4) - 1);
     put_bits(&pb, 12, s->image_width);

libavcodec/flashsvenc.c

@@ -151,7 +151,7 @@ static int encode_bitstream(FlashSVContext *s, const AVFrame *p, uint8_t *buf,
     int buf_pos, res;
     int pred_blocks = 0;
 
-    init_put_bits(&pb, buf, buf_size * 8);
+    init_put_bits(&pb, buf, buf_size);
 
     put_bits(&pb,  4, block_width / 16 - 1);
     put_bits(&pb, 12, s->image_width);

libavcodec/h264.c

@@ -1709,8 +1709,9 @@ static int decode_init_thread_copy(AVCodecContext *avctx)
     memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
     memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
 
-    h->rbsp_buffer[0] = NULL;
-    h->rbsp_buffer[1] = NULL;
+    h->avctx               = avctx;
+    h->rbsp_buffer[0]      = NULL;
+    h->rbsp_buffer[1]      = NULL;
     h->rbsp_buffer_size[0] = 0;
     h->rbsp_buffer_size[1] = 0;
     h->context_initialized = 0;
@@ -1884,8 +1885,11 @@ static int decode_update_thread_context(AVCodecContext *dst,
 
     h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1);
     unref_picture(h, &h->cur_pic);
-    if (h1->cur_pic.f.buf[0] && (ret = ref_picture(h, &h->cur_pic, &h1->cur_pic)) < 0)
-        return ret;
+    if (h1->cur_pic.f.buf[0]) {
+        ret = ref_picture(h, &h->cur_pic, &h1->cur_pic);
+        if (ret < 0)
+            return ret;
+    }
 
     h->workaround_bugs = h1->workaround_bugs;
     h->low_delay       = h1->low_delay;
@@ -3708,7 +3712,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
         }
     }
 
-    if (h == h0 && h->dequant_coeff_pps != pps_id) {
+    if (first_slice && h->dequant_coeff_pps != pps_id) {
         h->dequant_coeff_pps = pps_id;
         init_dequant_tables(h);
     }

libavcodec/h264_cabac.c

@@ -1712,7 +1712,7 @@ decode_cabac_residual_internal(H264Context *h, int16_t *block,
 \
             if( coeff_abs >= 15 ) { \
                 int j = 0; \
-                while(get_cabac_bypass( CC ) && j<30) { \
+                while (get_cabac_bypass(CC) && j < 30) { \
                     j++; \
                 } \
 \

libavcodec/hevc_ps.c

@@ -787,11 +787,30 @@ int ff_hevc_decode_nal_sps(HEVCContext *s)
     sps->log2_max_trafo_size                 = log2_diff_max_min_transform_block_size +
                                                sps->log2_min_tb_size;
 
-    if (sps->log2_min_tb_size >= sps->log2_min_cb_size) {
+    if (sps->log2_min_cb_size < 3 || sps->log2_min_cb_size > 30) {
+        av_log(s->avctx, AV_LOG_ERROR, "Invalid value %d for log2_min_cb_size", sps->log2_min_cb_size);
+        ret = AVERROR_INVALIDDATA;
+        goto err;
+    }
+
+    if (sps->log2_diff_max_min_coding_block_size > 30) {
+        av_log(s->avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_coding_block_size", sps->log2_diff_max_min_coding_block_size);
+        ret = AVERROR_INVALIDDATA;
+        goto err;
+    }
+
+    if (sps->log2_min_tb_size >= sps->log2_min_cb_size || sps->log2_min_tb_size < 2) {
         av_log(s->avctx, AV_LOG_ERROR, "Invalid value for log2_min_tb_size");
         ret = AVERROR_INVALIDDATA;
         goto err;
     }
+
+    if (log2_diff_max_min_transform_block_size < 0 || log2_diff_max_min_transform_block_size > 30) {
+        av_log(s->avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_transform_block_size", log2_diff_max_min_transform_block_size);
+        ret = AVERROR_INVALIDDATA;
+        goto err;
+    }
+
     sps->max_transform_hierarchy_depth_inter = get_ue_golomb_long(gb);
     sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb);
 

libavcodec/mdec.c

@@ -83,7 +83,12 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
             if (level == 127) {
                 break;
             } else if (level != 0) {
-                i    += run;
+                i += run;
+                if (i > 63) {
+                    av_log(a->avctx, AV_LOG_ERROR,
+                           "ac-tex damaged at %d %d\n", a->mb_x, a->mb_y);
+                    return AVERROR_INVALIDDATA;
+                }
                 j     = scantable[i];
                 level = (level * qscale * quant_matrix[j]) >> 3;
                 level = (level ^ SHOW_SBITS(re, &a->gb, 1)) - SHOW_SBITS(re, &a->gb, 1);
@@ -93,8 +98,13 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
                 run = SHOW_UBITS(re, &a->gb, 6)+1; LAST_SKIP_BITS(re, &a->gb, 6);
                 UPDATE_CACHE(re, &a->gb);
                 level = SHOW_SBITS(re, &a->gb, 10); SKIP_BITS(re, &a->gb, 10);
-                i    += run;
-                j     = scantable[i];
+                i += run;
+                if (i > 63) {
+                    av_log(a->avctx, AV_LOG_ERROR,
+                           "ac-tex damaged at %d %d\n", a->mb_x, a->mb_y);
+                    return AVERROR_INVALIDDATA;
+                }
+                j = scantable[i];
                 if (level < 0) {
                     level = -level;
                     level = (level * qscale * quant_matrix[j]) >> 3;
@@ -105,10 +115,6 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
                     level = (level - 1) | 1;
                 }
             }
-            if (i > 63) {
-                av_log(a->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", a->mb_x, a->mb_y);
-                return AVERROR_INVALIDDATA;
-            }
 
             block[j] = level;
         }

libavcodec/mips/acelp_filters_mips.c

@@ -89,7 +89,7 @@ static void ff_acelp_interpolatef_mips(float *out, const float *in,
                 "addu   %[p_filter_coeffs_m],  %[p_filter_coeffs_m],   %[prec] \n\t"
                 "madd.s %[v],%[v],%[in_val_m], %[fc_val_m]                     \n\t"
 
-                : [v] "=&f" (v),[p_in_p] "+r" (p_in_p), [p_in_m] "+r" (p_in_m),
+                : [v] "+&f" (v),[p_in_p] "+r" (p_in_p), [p_in_m] "+r" (p_in_m),
                   [p_filter_coeffs_p] "+r" (p_filter_coeffs_p),
                   [in_val_p] "=&f" (in_val_p), [in_val_m] "=&f" (in_val_m),
                   [fc_val_p] "=&f" (fc_val_p), [fc_val_m] "=&f" (fc_val_m),

libavcodec/mpegvideo.h

@@ -925,7 +925,7 @@ extern const uint8_t ff_aic_dc_scale_table[32];
 extern const uint8_t ff_h263_chroma_qscale_table[32];
 
 /* rv10.c */
-void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number);
+int ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number);
 int ff_rv_decode_dc(MpegEncContext *s, int n);
 void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number);
 

libavcodec/mpegvideo_enc.c

@@ -3583,8 +3583,11 @@ static int encode_picture(MpegEncContext *s, int picture_number)
             ff_msmpeg4_encode_picture_header(s, picture_number);
         else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
             ff_mpeg4_encode_picture_header(s, picture_number);
-        else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10)
-            ff_rv10_encode_picture_header(s, picture_number);
+        else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10) {
+            ret = ff_rv10_encode_picture_header(s, picture_number);
+            if (ret < 0)
+                return ret;
+        }
         else if (CONFIG_RV20_ENCODER && s->codec_id == AV_CODEC_ID_RV20)
             ff_rv20_encode_picture_header(s, picture_number);
         else if (CONFIG_FLV_ENCODER && s->codec_id == AV_CODEC_ID_FLV1)

libavcodec/nellymoserenc.c

@@ -301,7 +301,7 @@ static void encode_block(NellyMoserEncodeContext *s, unsigned char *output, int
 
     apply_mdct(s);
 
-    init_put_bits(&pb, output, output_size * 8);
+    init_put_bits(&pb, output, output_size);
 
     i = 0;
     for (band = 0; band < NELLY_BANDS; band++) {

libavcodec/options_table.h

@@ -91,7 +91,6 @@ static const AVOption avcodec_options[] = {
 {"hex", "hex motion estimation", 0, AV_OPT_TYPE_CONST, {.i64 = ME_HEX }, INT_MIN, INT_MAX, V|E, "me_method" },
 {"umh", "umh motion estimation", 0, AV_OPT_TYPE_CONST, {.i64 = ME_UMH }, INT_MIN, INT_MAX, V|E, "me_method" },
 {"iter", "iter motion estimation", 0, AV_OPT_TYPE_CONST, {.i64 = ME_ITER }, INT_MIN, INT_MAX, V|E, "me_method" },
-{"extradata_size", NULL, OFFSET(extradata_size), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
 {"time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, INT_MIN, INT_MAX},
 {"g", "set the group of picture (GOP) size", OFFSET(gop_size), AV_OPT_TYPE_INT, {.i64 = 12 }, INT_MIN, INT_MAX, V|E},
 {"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|D|E},

libavcodec/proresenc_anatoliy.c

@@ -304,7 +304,7 @@ static int encode_slice_plane(AVCodecContext *avctx, int mb_count,
     }
 
     blocks_per_slice = mb_count << (2 - chroma);
-    init_put_bits(&pb, buf, buf_size << 3);
+    init_put_bits(&pb, buf, buf_size);
 
     encode_dc_coeffs(&pb, blocks, blocks_per_slice, qmat);
     encode_ac_coeffs(avctx, &pb, blocks, blocks_per_slice, qmat);

libavcodec/proresenc_kostya.c

@@ -1058,7 +1058,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                     slice_hdr        = pkt->data + (slice_hdr        - start);
                     tmp              = pkt->data + (tmp              - start);
                 }
-                init_put_bits(&pb, buf, (pkt_size - (buf - orig_buf)) * 8);
+                init_put_bits(&pb, buf, (pkt_size - (buf - orig_buf)));
                 ret = encode_slice(avctx, pic, &pb, sizes, x, y, q,
                                    mbs_per_slice);
                 if (ret < 0)

libavcodec/roqvideoenc.c

@@ -960,6 +960,8 @@ static av_cold int roq_encode_init(AVCodecContext *avctx)
 
     av_lfg_init(&enc->randctx, 1);
 
+    enc->avctx = avctx;
+
     enc->framesSinceKeyframe = 0;
     if ((avctx->width & 0xf) || (avctx->height & 0xf)) {
         av_log(avctx, AV_LOG_ERROR, "Dimensions must be divisible by 16\n");

libavcodec/rv10enc.c

@@ -28,7 +28,7 @@
 #include "mpegvideo.h"
 #include "put_bits.h"
 
-void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
+int ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
 {
     int full_frame= 0;
 
@@ -48,12 +48,18 @@ void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
     /* if multiple packets per frame are sent, the position at which
        to display the macroblocks is coded here */
     if(!full_frame){
+        if (s->mb_width * s->mb_height >= (1U << 12)) {
+            avpriv_report_missing_feature(s->avctx, "Encoding frames with %d (>= 4096) macroblocks",
+                                          s->mb_width * s->mb_height);
+            return AVERROR(ENOSYS);
+        }
         put_bits(&s->pb, 6, 0); /* mb_x */
         put_bits(&s->pb, 6, 0); /* mb_y */
         put_bits(&s->pb, 12, s->mb_width * s->mb_height);
     }
 
     put_bits(&s->pb, 3, 0);     /* ignored */
+    return 0;
 }
 
 FF_MPV_GENERIC_CLASS(rv10)

libavcodec/s302menc.c

@@ -81,7 +81,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
         return ret;
 
     o = avpkt->data;
-    init_put_bits(&pb, o, buf_size * 8);
+    init_put_bits(&pb, o, buf_size);
     put_bits(&pb, 16, buf_size - AES3_HEADER_LEN);
     put_bits(&pb, 2, (avctx->channels - 2) >> 1);   // number of channels
     put_bits(&pb, 8, 0);                            // channel ID

libavcodec/snowdec.c

@@ -153,7 +153,7 @@ static int decode_q_branch(SnowContext *s, int level, int x, int y){
         int l = left->color[0];
         int cb= left->color[1];
         int cr= left->color[2];
-        int ref = 0;
+        unsigned ref = 0;
         int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
         int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 0*av_log2(2*FFABS(tr->mx - top->mx));
         int my_context= av_log2(2*FFABS(left->my - top->my)) + 0*av_log2(2*FFABS(tr->my - top->my));

libavcodec/tiff.c

@@ -499,6 +499,14 @@ static int init_image(TiffContext *s, ThreadFrame *frame)
     int i, ret;
     uint32_t *pal;
 
+    // make sure there is no aliasing in the following switch
+    if (s->bpp >= 100 || s->bppcount >= 10) {
+        av_log(s->avctx, AV_LOG_ERROR,
+               "Unsupported image parameters: bpp=%d, bppcount=%d\n",
+               s->bpp, s->bppcount);
+        return AVERROR_INVALIDDATA;
+    }
+
     switch (s->planar * 1000 + s->bpp * 10 + s->bppcount) {
     case 11:
         if (!s->palette_is_set) {
@@ -628,13 +636,6 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
                 s->bpp = -1;
             }
         }
-        if (s->bpp > 64U) {
-            av_log(s->avctx, AV_LOG_ERROR,
-                   "This format is not supported (bpp=%d, %d components)\n",
-                   s->bpp, count);
-            s->bpp = 0;
-            return AVERROR_INVALIDDATA;
-        }
         break;
     case TIFF_SAMPLES_PER_PIXEL:
         if (count != 1) {
@@ -926,6 +927,13 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
         }
     }
 end:
+    if (s->bpp > 64U) {
+        av_log(s->avctx, AV_LOG_ERROR,
+                "This format is not supported (bpp=%d, %d components)\n",
+                s->bpp, count);
+        s->bpp = 0;
+        return AVERROR_INVALIDDATA;
+    }
     bytestream2_seek(&s->gb, start, SEEK_SET);
     return 0;
 }

libavcodec/utils.c

@@ -375,7 +375,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
     case AV_PIX_FMT_YUVJ411P:
     case AV_PIX_FMT_UYYVYY411:
         w_align = 32;
-        h_align = 8;
+        h_align = 16 * 2;
         break;
     case AV_PIX_FMT_YUV410P:
         if (s->codec_id == AV_CODEC_ID_SVQ1) {

libavcodec/vp9.c

@@ -278,7 +278,8 @@ static int vp9_alloc_frame(AVCodecContext *ctx, VP9Frame *f)
 
     // retain segmentation map if it doesn't update
     if (s->segmentation.enabled && !s->segmentation.update_map &&
-        !s->intraonly && !s->keyframe) {
+        !s->intraonly && !s->keyframe && !s->errorres &&
+        ctx->active_thread_type != FF_THREAD_FRAME) {
         memcpy(f->segmentation_map, s->frames[LAST_FRAME].segmentation_map, sz);
     }
 
@@ -1344,16 +1345,29 @@ static void decode_mode(AVCodecContext *ctx)
                 vp56_rac_get_prob_branchy(&s->c,
                     s->prob.segpred[s->above_segpred_ctx[col] +
                                     s->left_segpred_ctx[row7]]))) {
-        int pred = 8, x;
-        uint8_t *refsegmap = s->frames[LAST_FRAME].segmentation_map;
+        if (!s->errorres) {
+            int pred = 8, x;
+            uint8_t *refsegmap = s->frames[LAST_FRAME].segmentation_map;
 
-        if (!s->last_uses_2pass)
-            ff_thread_await_progress(&s->frames[LAST_FRAME].tf, row >> 3, 0);
-        for (y = 0; y < h4; y++)
-            for (x = 0; x < w4; x++)
-                pred = FFMIN(pred, refsegmap[(y + row) * 8 * s->sb_cols + x + col]);
-        av_assert1(pred < 8);
-        b->seg_id = pred;
+            if (!s->last_uses_2pass)
+                ff_thread_await_progress(&s->frames[LAST_FRAME].tf, row >> 3, 0);
+            for (y = 0; y < h4; y++) {
+                int idx_base = (y + row) * 8 * s->sb_cols + col;
+                for (x = 0; x < w4; x++)
+                    pred = FFMIN(pred, refsegmap[idx_base + x]);
+                if (!s->segmentation.update_map && ctx->active_thread_type == FF_THREAD_FRAME) {
+                    // FIXME maybe retain reference to previous frame as
+                    // segmap reference instead of copying the whole map
+                    // into a new buffer
+                    memcpy(&s->frames[CUR_FRAME].segmentation_map[idx_base],
+                           &refsegmap[idx_base], w4);
+                }
+            }
+            av_assert1(pred < 8);
+            b->seg_id = pred;
+        } else {
+            b->seg_id = 0;
+        }
 
         memset(&s->above_segpred_ctx[col], 1, w4);
         memset(&s->left_segpred_ctx[row7], 1, h4);
@@ -3742,7 +3756,7 @@ static int vp9_decode_frame(AVCodecContext *ctx, void *frame,
         if ((res = av_frame_ref(frame, s->refs[ref].f)) < 0)
             return res;
         *got_frame = 1;
-        return 0;
+        return pkt->size;
     }
     data += res;
     size -= res;
@@ -3952,7 +3966,7 @@ static int vp9_decode_frame(AVCodecContext *ctx, void *frame,
         *got_frame = 1;
     }
 
-    return 0;
+    return pkt->size;
 }
 
 static void vp9_decode_flush(AVCodecContext *ctx)

libavcodec/webp.c

@@ -690,6 +690,11 @@ static int decode_entropy_coded_image(WebPContext *s, enum ImageRole role,
                 length = offset + get_bits(&s->gb, extra_bits) + 1;
             }
             prefix_code = huff_reader_get_symbol(&hg[HUFF_IDX_DIST], &s->gb);
+            if (prefix_code > 39) {
+                av_log(s->avctx, AV_LOG_ERROR,
+                       "distance prefix code too large: %d\n", prefix_code);
+                return AVERROR_INVALIDDATA;
+            }
             if (prefix_code < 4) {
                 distance = prefix_code + 1;
             } else {
@@ -1078,7 +1083,7 @@ static int vp8_lossless_decode_frame(AVCodecContext *avctx, AVFrame *p,
                                      unsigned int data_size, int is_alpha_chunk)
 {
     WebPContext *s = avctx->priv_data;
-    int w, h, ret, i;
+    int w, h, ret, i, used;
 
     if (!is_alpha_chunk) {
         s->lossless = 1;
@@ -1128,8 +1133,16 @@ static int vp8_lossless_decode_frame(AVCodecContext *avctx, AVFrame *p,
     /* parse transformations */
     s->nb_transforms = 0;
     s->reduced_width = 0;
+    used = 0;
     while (get_bits1(&s->gb)) {
         enum TransformType transform = get_bits(&s->gb, 2);
+        if (used & (1 << transform)) {
+            av_log(avctx, AV_LOG_ERROR, "Transform %d used more than once\n",
+                   transform);
+            ret = AVERROR_INVALIDDATA;
+            goto free_and_return;
+        }
+        used |= (1 << transform);
         s->transforms[s->nb_transforms++] = transform;
         switch (transform) {
         case PREDICTOR_TRANSFORM:

libavcodec/x86/mlpdsp.c

@@ -132,8 +132,8 @@ static void mlp_filter_channel_x86(int32_t *state, const int32_t *coeff,
         FIRMUL   (ff_mlp_firorder_6, 0x14   )
         FIRMUL   (ff_mlp_firorder_5, 0x10   )
         FIRMUL   (ff_mlp_firorder_4, 0x0c   )
-        FIRMULREG(ff_mlp_firorder_3, 0x08,10)
-        FIRMULREG(ff_mlp_firorder_2, 0x04, 9)
+        FIRMUL   (ff_mlp_firorder_3, 0x08   )
+        FIRMUL   (ff_mlp_firorder_2, 0x04   )
         FIRMULREG(ff_mlp_firorder_1, 0x00, 8)
         LABEL_MANGLE(ff_mlp_firorder_0)":\n\t"
         "jmp  *%6                     \n\t"
@@ -162,8 +162,6 @@ static void mlp_filter_channel_x86(int32_t *state, const int32_t *coeff,
         : /* 4*/"r"((x86_reg)mask), /* 5*/"r"(firjump),
           /* 6*/"r"(iirjump)      , /* 7*/"c"(filter_shift)
         , /* 8*/"r"((int64_t)coeff[0])
-        , /* 9*/"r"((int64_t)coeff[1])
-        , /*10*/"r"((int64_t)coeff[2])
         : "rax", "rdx", "rsi"
 #else /* ARCH_X86_32 */
           /* 3*/"+m"(blocksize)

libavcodec/zmbv.c

@@ -410,11 +410,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
     int hi_ver, lo_ver, ret;
 
     /* parse header */
+    if (len < 1)
+        return AVERROR_INVALIDDATA;
     c->flags = buf[0];
     buf++; len--;
     if (c->flags & ZMBV_KEYFRAME) {
         void *decode_intra = NULL;
         c->decode_intra= NULL;
+
+        if (len < 6)
+            return AVERROR_INVALIDDATA;
         hi_ver = buf[0];
         lo_ver = buf[1];
         c->comp = buf[2];

libavformat/adxdec.c

@@ -41,6 +41,11 @@ static int adx_read_packet(AVFormatContext *s, AVPacket *pkt)
     AVCodecContext *avctx = s->streams[0]->codec;
     int ret, size;
 
+    if (avctx->channels <= 0) {
+        av_log(s, AV_LOG_ERROR, "invalid number of channels %d\n", avctx->channels);
+        return AVERROR_INVALIDDATA;
+    }
+
     size = BLOCK_SIZE * avctx->channels;
 
     pkt->pos = avio_tell(s->pb);

libavformat/asfdec.c

@@ -1472,7 +1472,7 @@ static int asf_build_simple_index(AVFormatContext *s, int stream_index)
     ff_asf_guid g;
     ASFContext *asf     = s->priv_data;
     int64_t current_pos = avio_tell(s->pb);
-    int ret = 0;
+    int64_t ret;
 
     if((ret = avio_seek(s->pb, asf->data_object_offset + asf->data_object_size, SEEK_SET)) < 0) {
         return ret;
@@ -1542,7 +1542,7 @@ static int asf_read_seek(AVFormatContext *s, int stream_index,
 
     /* Try using the protocol's read_seek if available */
     if (s->pb) {
-        int ret = avio_seek_time(s->pb, stream_index, pts, flags);
+        int64_t ret = avio_seek_time(s->pb, stream_index, pts, flags);
         if (ret >= 0)
             asf_reset_header(s);
         if (ret != AVERROR(ENOSYS))

libavformat/bit.c

@@ -119,8 +119,12 @@ static int write_header(AVFormatContext *s)
 {
     AVCodecContext *enc = s->streams[0]->codec;
 
-    enc->codec_id = AV_CODEC_ID_G729;
-    enc->channels = 1;
+    if ((enc->codec_id != AV_CODEC_ID_G729) || enc->channels != 1) {
+        av_log(s, AV_LOG_ERROR,
+               "only codec g729 with 1 channel is supported by this format\n");
+        return AVERROR(EINVAL);
+    }
+
     enc->bits_per_coded_sample = 16;
     enc->block_align = (enc->bits_per_coded_sample * enc->channels) >> 3;
 
@@ -133,6 +137,9 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
     GetBitContext gb;
     int i;
 
+    if (pkt->size != 10)
+        return AVERROR(EINVAL);
+
     avio_wl16(pb, SYNC_WORD);
     avio_wl16(pb, 8 * 10);
 

libavformat/ffmdec.c

@@ -79,6 +79,7 @@ static int ffm_read_data(AVFormatContext *s,
     FFMContext *ffm = s->priv_data;
     AVIOContext *pb = s->pb;
     int len, fill_size, size1, frame_offset, id;
+    int64_t last_pos = -1;
 
     size1 = size;
     while (size > 0) {
@@ -98,9 +99,11 @@ static int ffm_read_data(AVFormatContext *s,
                 avio_seek(pb, tell, SEEK_SET);
             }
             id = avio_rb16(pb); /* PACKET_ID */
-            if (id != PACKET_ID)
+            if (id != PACKET_ID) {
                 if (ffm_resync(s, id) < 0)
                     return -1;
+                last_pos = avio_tell(pb);
+            }
             fill_size = avio_rb16(pb);
             ffm->dts = avio_rb64(pb);
             frame_offset = avio_rb16(pb);
@@ -114,7 +117,9 @@ static int ffm_read_data(AVFormatContext *s,
                 if (!frame_offset) {
                     /* This packet has no frame headers in it */
                     if (avio_tell(pb) >= ffm->packet_size * 3LL) {
-                        avio_seek(pb, -ffm->packet_size * 2LL, SEEK_CUR);
+                        int64_t seekback = FFMIN(ffm->packet_size * 2LL, avio_tell(pb) - last_pos);
+                        seekback = FFMAX(seekback, 0);
+                        avio_seek(pb, -seekback, SEEK_CUR);
                         goto retry_read;
                     }
                     /* This is bad, we cannot find a valid frame header */
@@ -291,6 +296,11 @@ static int ffm2_read_header(AVFormatContext *s)
             case MKBETAG('S', 'T', 'V', 'I'):
                 codec->time_base.num = avio_rb32(pb);
                 codec->time_base.den = avio_rb32(pb);
+                if (codec->time_base.num <= 0 || codec->time_base.den <= 0) {
+                    av_log(s, AV_LOG_ERROR, "Invalid time base %d/%d\n",
+                           codec->time_base.num, codec->time_base.den);
+                    goto fail;
+                }
                 codec->width = avio_rb16(pb);
                 codec->height = avio_rb16(pb);
                 codec->gop_size = avio_rb16(pb);
@@ -346,7 +356,7 @@ static int ffm2_read_header(AVFormatContext *s)
     }
 
     /* get until end of block reached */
-    while ((avio_tell(pb) % ffm->packet_size) != 0)
+    while ((avio_tell(pb) % ffm->packet_size) != 0 && !pb->eof_reached)
         avio_r8(pb);
 
     /* init packet demux */
@@ -415,6 +425,11 @@ static int ffm_read_header(AVFormatContext *s)
         case AVMEDIA_TYPE_VIDEO:
             codec->time_base.num = avio_rb32(pb);
             codec->time_base.den = avio_rb32(pb);
+            if (codec->time_base.num <= 0 || codec->time_base.den <= 0) {
+                av_log(s, AV_LOG_ERROR, "Invalid time base %d/%d\n",
+                       codec->time_base.num, codec->time_base.den);
+                goto fail;
+            }
             codec->width = avio_rb16(pb);
             codec->height = avio_rb16(pb);
             codec->gop_size = avio_rb16(pb);
@@ -473,7 +488,7 @@ static int ffm_read_header(AVFormatContext *s)
     }
 
     /* get until end of block reached */
-    while ((avio_tell(pb) % ffm->packet_size) != 0)
+    while ((avio_tell(pb) % ffm->packet_size) != 0 && !pb->eof_reached)
         avio_r8(pb);
 
     /* init packet demux */

libavformat/flvenc.c

@@ -488,7 +488,7 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
         avio_w8(pb, FLV_TAG_TYPE_VIDEO);
 
         flags = enc->codec_tag;
-        if (flags == 0) {
+        if (flags <= 0 || flags > 15) {
             av_log(s, AV_LOG_ERROR,
                    "Video codec '%s' is not compatible with FLV\n",
                    avcodec_get_name(enc->codec_id));

libavformat/gxf.c

@@ -556,7 +556,7 @@ static int gxf_packet(AVFormatContext *s, AVPacket *pkt) {
 }
 
 static int gxf_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) {
-    int res = 0;
+    int64_t res = 0;
     uint64_t pos;
     uint64_t maxlen = 100 * 1024 * 1024;
     AVStream *st = s->streams[0];

libavformat/idcin.c

@@ -359,7 +359,7 @@ static int idcin_read_seek(AVFormatContext *s, int stream_index,
     IdcinDemuxContext *idcin = s->priv_data;
 
     if (idcin->first_pkt_pos > 0) {
-        int ret = avio_seek(s->pb, idcin->first_pkt_pos, SEEK_SET);
+        int64_t ret = avio_seek(s->pb, idcin->first_pkt_pos, SEEK_SET);
         if (ret < 0)
             return ret;
         ff_update_cur_dts(s, s->streams[idcin->video_stream_index], 0);

libavformat/mov.c

@@ -2316,7 +2316,7 @@ static int mov_open_dref(AVIOContext **pb, const char *src, MOVDref *ref,
     /* try relative path, we do not try the absolute because it can leak information about our
        system to an attacker */
     if (ref->nlvl_to > 0 && ref->nlvl_from > 0) {
-        char filename[1024];
+        char filename[1025];
         const char *src_path;
         int i, l;
 
@@ -2342,10 +2342,12 @@ static int mov_open_dref(AVIOContext **pb, const char *src, MOVDref *ref,
             filename[src_path - src] = 0;
 
             for (i = 1; i < ref->nlvl_from; i++)
-                av_strlcat(filename, "../", 1024);
+                av_strlcat(filename, "../", sizeof(filename));
 
-            av_strlcat(filename, ref->path + l + 1, 1024);
+            av_strlcat(filename, ref->path + l + 1, sizeof(filename));
 
+            if (strlen(filename) + 1 == sizeof(filename))
+                return AVERROR(ENOENT);
             if (!avio_open2(pb, filename, AVIO_FLAG_READ, int_cb, NULL))
                 return 0;
         }

libavformat/mvdec.c

@@ -371,7 +371,7 @@ static int mv_read_packet(AVFormatContext *avctx, AVPacket *pkt)
     AVStream *st = avctx->streams[mv->stream_index];
     const AVIndexEntry *index;
     int frame = mv->frame[mv->stream_index];
-    int ret;
+    int64_t ret;
     uint64_t pos;
 
     if (frame  < st->nb_index_entries) {

libavformat/omadec.c

@@ -462,7 +462,7 @@ static int oma_read_seek(struct AVFormatContext *s,
                          int stream_index, int64_t timestamp, int flags)
 {
     OMAContext *oc = s->priv_data;
-    int err = ff_pcm_read_seek(s, stream_index, timestamp, flags);
+    int64_t err = ff_pcm_read_seek(s, stream_index, timestamp, flags);
 
     if (!oc->encrypted)
         return err;

libavformat/rmenc.c

@@ -44,6 +44,10 @@ typedef struct {
 
 /* in ms */
 #define BUFFER_DURATION 0
+/* the header needs at most 7 + 4 + 12 B */
+#define MAX_HEADER_SIZE (7 + 4 + 12)
+/* UINT16_MAX is the maximal chunk size */
+#define MAX_PACKET_SIZE (UINT16_MAX - MAX_HEADER_SIZE)
 
 
 static void put_str(AVIOContext *s, const char *tag)
@@ -391,6 +395,10 @@ static int rm_write_video(AVFormatContext *s, const uint8_t *buf, int size, int
     /* Well, I spent some time finding the meaning of these bits. I am
        not sure I understood everything, but it works !! */
 #if 1
+    if (size > MAX_PACKET_SIZE) {
+        av_log(s, AV_LOG_ERROR, "Muxing packets larger than 64 kB (%d) is not supported\n", size);
+        return AVERROR_PATCHWELCOME;
+    }
     write_packet_header(s, stream, size + 7 + (size >= 0x4000)*4, key_frame);
     /* bit 7: '1' if final packet of a frame converted in several packets */
     avio_w8(pb, 0x81);

libavformat/vqf.c

@@ -265,7 +265,7 @@ static int vqf_read_seek(AVFormatContext *s,
 {
     VqfContext *c = s->priv_data;
     AVStream *st;
-    int ret;
+    int64_t ret;
     int64_t pos;
 
     st = s->streams[stream_index];

libavutil/arm/asm.S

@@ -43,11 +43,17 @@
 #elif HAVE_ARMV5TE
         .arch           armv5te
 #endif
+#if   HAVE_AS_OBJECT_ARCH
+ELF     .object_arch    armv4
+#endif
 
 #if   HAVE_NEON
         .fpu            neon
+ELF     .eabi_attribute 10, 0           @ suppress Tag_FP_arch
+ELF     .eabi_attribute 12, 0           @ suppress Tag_Advanced_SIMD_arch
 #elif HAVE_VFP
         .fpu            vfp
+ELF     .eabi_attribute 10, 0           @ suppress Tag_FP_arch
 #endif
 
         .syntax unified

libswscale/utils.c

@@ -619,14 +619,24 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
 
         if ((*filterPos)[i] + filterSize > srcW) {
             int shift = (*filterPos)[i] + FFMIN(filterSize - srcW, 0);
+            int64_t acc = 0;
 
-            // move filter coefficients right to compensate for filterPos
-            for (j = filterSize - 2; j >= 0; j--) {
-                int right = FFMIN(j + shift, filterSize - 1);
-                filter[i * filterSize + right] += filter[i * filterSize + j];
-                filter[i * filterSize + j]      = 0;
+            for (j = filterSize - 1; j >= 0; j--) {
+                if ((*filterPos)[i] + j >= srcW) {
+                    acc += filter[i * filterSize + j];
+                    filter[i * filterSize + j] = 0;
+                }
             }
+            for (j = filterSize - 1; j >= 0; j--) {
+                if (j < shift) {
+                    filter[i * filterSize + j] = 0;
+                } else {
+                    filter[i * filterSize + j] = filter[i * filterSize + j - shift];
+                }
+            }
+
             (*filterPos)[i]-= shift;
+            filter[i * filterSize + srcW - 1 - (*filterPos)[i]] += acc;
         }
     }
 
@@ -1329,7 +1339,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
     c->chrDstW = FF_CEIL_RSHIFT(dstW, c->chrDstHSubSample);
     c->chrDstH = FF_CEIL_RSHIFT(dstH, c->chrDstVSubSample);
 
-    FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail);
+    FF_ALLOCZ_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail);
 
     /* unscaled special cases */
     if (unscaled && !usesHFilter && !usesVFilter &&