Changelog: add 2.5 entry

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-12-04 01:28:06 +01:00
60 changed files with 153 additions and 384 deletions
@@ -1,56 +1,8 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.

-version 2.5.3:
- vp9: fix parser return values in error case
- ffmpeg: Clear error message array at init.
- avcodec/dvdsubdec: fix accessing dangling pointers
- avcodec/dvdsubdec: error on bitmaps with size 0
- cmdutils: Use 64bit for file size/offset related variable in cmdutils_read_file()
- mov: Fix negative size calculation in mov_read_default().
- avformat/mov: fix integer overflow in mov_read_udta_string()
- mov: Fix overflow and error handling in read_tfra().
- mov: Avoid overflow with mov_metadata_raw()
- avcodec/dvdsubdec: fix out of bounds accesses
- avfilter/vf_sab: fix filtering tiny images
- avformat/flvdec: Increase string array size
- avformat/flvdec: do not inject dts=0 metadata packets which failed to be parsed into a new data stream
- avformat/cdxl: Fix integer overflow of image_size
- libavformat: Build hevc.o when building the RTP muxer
+version <next>:

-version 2.5.2:
- avcodec/indeo3: ensure offsets are non negative
- avcodec/h264: Check *log2_weight_denom
- avcodec/hevc_ps: Check diff_cu_qp_delta_depth
- avcodec/h264: Clear delayed_pic on deallocation
- avcodec/hevc: clear filter_slice_edges() on allocation
- avcodec/dcadec: Check that the added xch channel isnt already there
- avcodec/indeo3: use signed variables to avoid underflow
- swscale: increase yuv2rgb table headroom
- avformat/mov: fix integer overflow of size
- avformat/mov: check atom nesting depth
- avcodec/utvideodec: Fix handling of slice_height=0
- avcodec/xface: correct the XFACE_MAX_* values
- avcodec/vmdvideo: Check len before using it in method 3
- configure: create the tests directory like the doc directory
- mmvideo: check frame dimensions
- jvdec: check frame dimensions
-
-version 2.5.1:
- lavu/frame: fix malloc error path in av_frame_copy_props()
- avformat/aviobuf: Check that avio_seek() target is non negative
- swresample/soxr_resample: fix error handling
- avformat/flvdec: fix potential use of uninitialized variables
- avformat/crypto: fix key vs iv typo
- configure: use use_pkg_config() instead of check_pkg_config() for libsmbclient
- avcodec/ppc/vp3dsp_altivec: POWER LE support to vp3_idct_add_altivec()
- avformat/matroskadec: fix handling of recursive SeekHead elements
- doc/examples/filtering_video: fix frame rate
- avcodec/mpegaudiodec_template: only allocate fdsp when its used
- doc/examples/transcoding: check encoder before using it
- update MAINTAINERS file
- POWER LE support in put_vp8_epel_h_altivec_core() put_vp8_epel_v_altivec_core() put_vp8_pixels16_altivec()
- POWER LE support in vc1_inv_trans_8x4_altivec()

 version 2.5:
 - HEVC/H.265 RTP payload format (draft v6) packetizer
@@ -67,7 +19,7 @@ version 2.5:
 - creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
 - WebP muxer with animated WebP support
 - zygoaudio decoding support
- APNG decoder and demuxer
+- APNG demuxer
 - postproc visualization support


@@ -537,7 +537,6 @@ x86                                     Michael Niedermayer
 Releases
 ========

-2.5                                     Michael Niedermayer
 2.4                                     Michael Niedermayer
 2.2                                     Michael Niedermayer
 1.2                                     Michael Niedermayer
@@ -112,7 +112,7 @@ endef

 $(foreach P,$(PROGS),$(eval $(call DOPROG,$(P:$(PROGSSUF)$(EXESUF)=))))

-ffprobe.o cmdutils.o libavcodec/utils.o libavformat/utils.o libavdevice/avdevice.o libavfilter/avfilter.o libavutil/utils.o libpostproc/postprocess.o libswresample/swresample.o libswscale/utils.o : libavutil/ffversion.h
+ffprobe.o cmdutils.o : libavutil/ffversion.h

 $(PROGS): %$(PROGSSUF)$(EXESUF): %$(PROGSSUF)_g$(EXESUF)
 	$(CP) $< $@
@@ -1 +1 @@
-2.5.3
+2.4.git
@@ -2,13 +2,9 @@
 │ RELEASE NOTES for FFmpeg 2.5 "Bohr"    │
 └────────────────────────────────────────┘

-   The FFmpeg Project proudly presents FFmpeg 2.5 "Bohr", 2.5 months after the
-   release of 2.4.
-
-   The most important new features are AVFoundation screen-grabbing support,
-   animated WebP decoding support, and Animated PNG support. In addition, many
-   exciting features for video streaming are also implemented, including MPEG-
-   DASH fragmenting muxer, HEVC RTP payload muxer, and UDP Lite support.
+   The FFmpeg Project proudly presents FFmpeg 2.5 "Bohr", just 2.5 months
+   after the release of 2.4. Since this wasn't a long time ago, the Changelog
+   is a bit short this time.

   As usual, if you have any question on this release or any FFmpeg related
   topic, feel free to join us on the #ffmpeg IRC channel (on
@@ -60,7 +56,6 @@
    • libutvideo YUV 4:2:2 10bit support
    • animated WebP decoding support
    • zygoaudio decoding support
-    • APNG decoder

   ┌────────────────────────────┐
   │ libavdevice                │
@@ -77,8 +72,7 @@
    • SUP/PGS subtitle demuxer
    • STL subtitle demuxer
    • UDP-Lite support (RFC 3828)
-    • MPEG-DASH segmenting muxer, which allows creating DASH compatible
-      fragmented MP4
+    • creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
    • WebP muxer
    • APNG demuxer

@@ -99,3 +93,7 @@
   └────────────────────────────┘

    • visualization support
+
+ ┌────────────────────────────┐
+ │ ⚠  Behaviour changes       │
+ └────────────────────────────┘
@@ -1860,7 +1860,7 @@ int read_yesno(void)

 int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
 {
-    int64_t ret;
+    int ret;
    FILE *f = av_fopen_utf8(filename, "rb");

    if (!f) {
@@ -4883,7 +4883,7 @@ enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init
 enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
 enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
 enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer
-enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||
+enabled libsmbclient      && { check_pkg_config smbclient libsmbclient.h smbc_init ||
                               require smbclient libsmbclient.h smbc_init -lsmbclient; }
 enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
 enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init
@@ -5678,7 +5678,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2015
+#define CONFIG_THIS_YEAR 2014
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
@@ -5706,7 +5706,6 @@ enabled getenv || echo "#define getenv(x) NULL" >> $TMPH


 mkdir -p doc
-mkdir -p tests
 echo "@c auto-generated by configure" > doc/config.texi

 print_config ARCH_   "$config_files" $ARCH_LIST
@@ -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         = 2.5.3
+PROJECT_NUMBER         =

 # 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
@@ -29,7 +29,6 @@ OBJS=$(addsuffix .o,$(EXAMPLES))

 # the following examples make explicit use of the math library
 avcodec:           LDLIBS += -lm
-decoding_encoding: LDLIBS += -lm
 muxing:            LDLIBS += -lm
 resampling_audio:  LDLIBS += -lm

@@ -90,7 +90,6 @@ static int init_filters(const char *filters_descr)
    AVFilter *buffersink = avfilter_get_by_name("buffersink");
    AVFilterInOut *outputs = avfilter_inout_alloc();
    AVFilterInOut *inputs  = avfilter_inout_alloc();
-    AVRational time_base = fmt_ctx->streams[video_stream_index]->time_base;
    enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };

    filter_graph = avfilter_graph_alloc();
@@ -103,7 +102,7 @@ static int init_filters(const char *filters_descr)
    snprintf(args, sizeof(args),
            "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
            dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
-            time_base.num, time_base.den,
+            dec_ctx->time_base.num, dec_ctx->time_base.den,
            dec_ctx->sample_aspect_ratio.num, dec_ctx->sample_aspect_ratio.den);

    ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
@@ -116,10 +116,6 @@ static int open_output_file(const char *filename)
                || dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
            /* in this example, we choose transcoding to same codec */
            encoder = avcodec_find_encoder(dec_ctx->codec_id);
-            if (!encoder) {
-                av_log(NULL, AV_LOG_FATAL, "Neccessary encoder not found\n");
-                return AVERROR_INVALIDDATA;
-            }

            /* In this example, we transcode to same properties (picture size,
             * sample rate etc.). These properties can be changed for output
@@ -2521,7 +2521,7 @@ static int transcode_init(void)
    AVFormatContext *oc;
    OutputStream *ost;
    InputStream *ist;
-    char error[1024] = {0};
+    char error[1024];
    int want_sdp = 1;

    for (i = 0; i < nb_filtergraphs; i++) {
@@ -2780,7 +2780,7 @@ static void spectral_to_sample(AACContext *ac)
                    apply_channel_coupling(ac, che, type, i, AFTER_IMDCT, apply_independent_coupling);
                che->present = 0;
            } else if (che) {
-                av_log(ac->avctx, AV_LOG_VERBOSE, "ChannelElement %d.%d missing \n", type, i);
+                av_log(ac->avctx, AV_LOG_WARNING, "ChannelElement %d.%d missing \n", type, i);
            }
        }
    }
@@ -2360,10 +2360,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
 #else
            if (s->xch_present && !s->xch_disable) {
 #endif
-                if (avctx->channel_layout & AV_CH_BACK_CENTER) {
-                    avpriv_request_sample(avctx, "XCh with Back center channel");
-                    return AVERROR_INVALIDDATA;
-                }
                avctx->channel_layout |= AV_CH_BACK_CENTER;
                if (s->lfe) {
                    avctx->channel_layout |= AV_CH_LOW_FREQUENCY;
@@ -39,7 +39,7 @@ typedef struct DVDSubContext
  int      has_palette;
  uint8_t  colormap[4];
  uint8_t  alpha[256];
-  uint8_t  buf[0x10000];
+  uint8_t *buf;
  int      buf_size;
  int      forced_subs_only;
 #ifdef DEBUG
@@ -108,12 +108,6 @@ static int decode_rle(uint8_t *bitmap, int linesize, int w, int h,
    int x, y, len, color;
    uint8_t *d;

-    if (start >= buf_size)
-        return -1;
-
-    if (w <= 0 || h <= 0)
-        return -1;
-
    bit_len = (buf_size - start) * 8;
    init_get_bits(&gb, buf + start, bit_len);

@@ -365,12 +359,10 @@ static int decode_dvd_subtitles(DVDSubContext *ctx, AVSubtitle *sub_header,
                sub_header->rects[0] = av_mallocz(sizeof(AVSubtitleRect));
                sub_header->num_rects = 1;
                sub_header->rects[0]->pict.data[0] = bitmap;
-                if (decode_rle(bitmap, w * 2, w, (h + 1) / 2,
-                               buf, offset1, buf_size, is_8bit) < 0)
-                    goto fail;
-                if (decode_rle(bitmap + w, w * 2, w, h / 2,
-                               buf, offset2, buf_size, is_8bit) < 0)
-                    goto fail;
+                decode_rle(bitmap, w * 2, w, (h + 1) / 2,
+                           buf, offset1, buf_size, is_8bit);
+                decode_rle(bitmap + w, w * 2, w, h / 2,
+                           buf, offset2, buf_size, is_8bit);
                sub_header->rects[0]->pict.data[1] = av_mallocz(AVPALETTE_SIZE);
                if (is_8bit) {
                    if (!yuv_palette)
@@ -509,11 +501,15 @@ static int append_to_cached_buf(AVCodecContext *avctx,
 {
    DVDSubContext *ctx = avctx->priv_data;

-    if (ctx->buf_size >= sizeof(ctx->buf) - buf_size) {
+    if (ctx->buf_size > 0xffff - buf_size) {
        av_log(avctx, AV_LOG_WARNING, "Attempt to reconstruct "
               "too large SPU packets aborted.\n");
+        av_freep(&ctx->buf);
        return AVERROR_INVALIDDATA;
    }
+    ctx->buf = av_realloc(ctx->buf, ctx->buf_size + buf_size);
+    if (!ctx->buf)
+        return AVERROR(ENOMEM);
    memcpy(ctx->buf + ctx->buf_size, buf, buf_size);
    ctx->buf_size += buf_size;
    return 0;
@@ -529,7 +525,7 @@ static int dvdsub_decode(AVCodecContext *avctx,
    AVSubtitle *sub = data;
    int is_menu;

-    if (ctx->buf_size) {
+    if (ctx->buf) {
        int ret = append_to_cached_buf(avctx, buf, buf_size);
        if (ret < 0) {
            *data_size = 0;
@@ -571,6 +567,7 @@ static int dvdsub_decode(AVCodecContext *avctx,
    }
 #endif

+    av_freep(&ctx->buf);
    ctx->buf_size = 0;
    *data_size = 1;
    return buf_size;
@@ -714,6 +711,7 @@ static av_cold int dvdsub_init(AVCodecContext *avctx)
 static av_cold int dvdsub_close(AVCodecContext *avctx)
 {
    DVDSubContext *ctx = avctx->priv_data;
+    av_freep(&ctx->buf);
    ctx->buf_size = 0;
    return 0;
 }
@@ -391,7 +391,6 @@ void ff_h264_free_tables(H264Context *h, int free_rbsp)
    if (free_rbsp && h->DPB) {
        for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
            ff_h264_unref_picture(h, &h->DPB[i]);
-        memset(h->delayed_pic, 0, sizeof(h->delayed_pic));
        av_freep(&h->DPB);
    } else if (h->DPB) {
        for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
@@ -991,16 +990,6 @@ int ff_pred_weight_table(H264Context *h)
    h->luma_log2_weight_denom = get_ue_golomb(&h->gb);
    if (h->sps.chroma_format_idc)
        h->chroma_log2_weight_denom = get_ue_golomb(&h->gb);
-
-    if (h->luma_log2_weight_denom > 7U) {
-        av_log(h->avctx, AV_LOG_ERROR, "luma_log2_weight_denom %d is out of range\n", h->luma_log2_weight_denom);
-        h->luma_log2_weight_denom = 0;
-    }
-    if (h->chroma_log2_weight_denom > 7U) {
-        av_log(h->avctx, AV_LOG_ERROR, "chroma_log2_weight_denom %d is out of range\n", h->chroma_log2_weight_denom);
-        h->chroma_log2_weight_denom = 0;
-    }
-
    luma_def   = 1 << h->luma_log2_weight_denom;
    chroma_def = 1 << h->chroma_log2_weight_denom;

@@ -338,7 +338,6 @@ typedef struct H264Picture {
 * H264Context
 */
 typedef struct H264Context {
-    AVClass *av_class;
    AVCodecContext *avctx;
    MECmpContext mecc;
    VideoDSPContext vdsp;
@@ -108,7 +108,7 @@ static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
    if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm)
        goto fail;

-    s->filter_slice_edges = av_mallocz(ctb_count);
+    s->filter_slice_edges = av_malloc(ctb_count);
    s->tab_slice_address  = av_malloc_array(pic_size_in_ctb,
                                      sizeof(*s->tab_slice_address));
    s->qp_y_tab           = av_malloc_array(pic_size_in_ctb,
@@ -1255,14 +1255,6 @@ int ff_hevc_decode_nal_pps(HEVCContext *s)
    if (pps->cu_qp_delta_enabled_flag)
        pps->diff_cu_qp_delta_depth = get_ue_golomb_long(gb);

-    if (pps->diff_cu_qp_delta_depth < 0 ||
-        pps->diff_cu_qp_delta_depth > sps->log2_diff_max_min_coding_block_size) {
-        av_log(s->avctx, AV_LOG_ERROR, "diff_cu_qp_delta_depth %d is invalid\n",
-               pps->diff_cu_qp_delta_depth);
-        ret = AVERROR_INVALIDDATA;
-        goto err;
-    }
-
    pps->cb_qp_offset = get_se_golomb(gb);
    if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) {
        av_log(s->avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n",
@@ -94,7 +94,7 @@ typedef struct Indeo3DecodeContext {

    int16_t         width, height;
    uint32_t        frame_num;      ///< current frame number (zero-based)
-    int             data_size;      ///< size of the frame data in bytes
+    uint32_t        data_size;      ///< size of the frame data in bytes
    uint16_t        frame_flags;    ///< frame properties
    uint8_t         cb_offset;      ///< needed for selecting VQ tables
    uint8_t         buf_sel;        ///< active frame buffer: 0 - primary, 1 -secondary
@@ -899,8 +899,7 @@ static int decode_frame_headers(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
    GetByteContext gb;
    const uint8_t   *bs_hdr;
    uint32_t        frame_num, word2, check_sum, data_size;
-    int             y_offset, u_offset, v_offset;
-    uint32_t        starts[3], ends[3];
+    uint32_t        y_offset, u_offset, v_offset, starts[3], ends[3];
    uint16_t        height, width;
    int             i, j;

@@ -982,8 +981,7 @@ static int decode_frame_headers(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
    ctx->y_data_size = ends[0] - starts[0];
    ctx->v_data_size = ends[1] - starts[1];
    ctx->u_data_size = ends[2] - starts[2];
-    if (FFMIN3(y_offset, v_offset, u_offset) < 0 ||
-        FFMAX3(y_offset, v_offset, u_offset) >= ctx->data_size - 16 ||
+    if (FFMAX3(y_offset, v_offset, u_offset) >= ctx->data_size - 16 ||
        FFMIN3(y_offset, v_offset, u_offset) < gb.buffer - bs_hdr + 16 ||
        FFMIN3(ctx->y_data_size, ctx->v_data_size, ctx->u_data_size) <= 0) {
        av_log(avctx, AV_LOG_ERROR, "One of the y/u/v offsets is invalid\n");
@@ -43,13 +43,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
 {
    JvContext *s = avctx->priv_data;

-    if (!avctx->width || !avctx->height ||
-        (avctx->width & 7) || (avctx->height & 7)) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid video dimensions: %dx%d\n",
-               avctx->width, avctx->height);
-        return AVERROR(EINVAL);
-    }
-
    s->frame = av_frame_alloc();
    if (!s->frame)
        return AVERROR(ENOMEM);
@@ -61,13 +61,6 @@ static av_cold int mm_decode_init(AVCodecContext *avctx)

    avctx->pix_fmt = AV_PIX_FMT_PAL8;

-    if (!avctx->width || !avctx->height ||
-        (avctx->width & 1) || (avctx->height & 1)) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid video dimensions: %dx%d\n",
-               avctx->width, avctx->height);
-        return AVERROR(EINVAL);
-    }
-
    s->frame = av_frame_alloc();
    if (!s->frame)
        return AVERROR(ENOMEM);
@@ -428,11 +428,9 @@ static av_cold int decode_init(AVCodecContext * avctx)

    s->avctx = avctx;

-#if USE_FLOATS
    s->fdsp = avpriv_float_dsp_alloc(avctx->flags & CODEC_FLAG_BITEXACT);
    if (!s->fdsp)
        return AVERROR(ENOMEM);
-#endif

    ff_mpadsp_init(&s->mpadsp);

@@ -304,23 +304,16 @@ static void vc1_inv_trans_8x4_altivec(uint8_t *dest, int stride, int16_t *block)
    src2 = vec_pack(s2, sA);
    src3 = vec_pack(s3, sB);

-#if HAVE_BIGENDIAN
    p0 = vec_lvsl (0, dest);
    p1 = vec_lvsl (stride, dest);
    p = vec_splat_u8 (-1);
    perm0 = vec_mergeh (p, p0);
    perm1 = vec_mergeh (p, p1);
-#define GET_TMP2(dst, p)        \
-    tmp = vec_ld (0, dest);     \
-    tmp2 = (vector signed short)vec_perm (tmp, vec_splat_u8(0), p);
-#else
-#define GET_TMP2(dst,p)         \
-    tmp = vec_vsx_ld (0, dst);  \
-    tmp2 = (vector signed short)vec_mergeh (tmp, vec_splat_u8(0));
-#endif

 #define ADD(dest,src,perm)                                              \
-    GET_TMP2(dest, perm);                                               \
+    /* *(uint64_t *)&tmp = *(uint64_t *)dest; */                        \
+    tmp = vec_ld (0, dest);                                             \
+    tmp2 = (vector signed short)vec_perm (tmp, vec_splat_u8(0), perm);  \
    tmp3 = vec_adds (tmp2, src);                                        \
    tmp = vec_packsu (tmp3, tmp3);                                      \
    vec_ste ((vector unsigned int)tmp, 0, (unsigned int *)dest);        \
@@ -32,13 +32,8 @@

 static const vec_s16 constants =
    {0, 64277, 60547, 54491, 46341, 36410, 25080, 12785};
-#if HAVE_BIGENDIAN
 static const vec_u8 interleave_high =
    {0, 1, 16, 17, 4, 5, 20, 21, 8, 9, 24, 25, 12, 13, 28, 29};
-#else
-static const vec_u8 interleave_high =
-    {2, 3, 18, 19, 6, 7, 22, 23, 10, 11, 26, 27, 14, 15, 30, 31};
-#endif

 #define IDCT_START \
    vec_s16 A, B, C, D, Ad, Bd, Cd, Dd, E, F, G, H;\
@@ -161,18 +156,9 @@ static void vp3_idct_add_altivec(uint8_t *dst, int stride, int16_t block[64])
    TRANSPOSE8(b0, b1, b2, b3, b4, b5, b6, b7);
    IDCT_1D(ADD8, SHIFT4)

-#if HAVE_BIGENDIAN
-#define GET_VDST16\
-    vdst = vec_ld(0, dst);\
-    vdst_16 = (vec_s16)vec_perm(vdst, zero_u8v, vdst_mask);
-#else
-#define GET_VDST16\
-    vdst = vec_vsx_ld(0,dst);\
-    vdst_16 = (vec_s16)vec_mergeh(vdst, zero_u8v);
-#endif
-
 #define ADD(a)\
-    GET_VDST16;\
+    vdst = vec_ld(0, dst);\
+    vdst_16 = (vec_s16)vec_perm(vdst, zero_u8v, vdst_mask);\
    vdst_16 = vec_adds(a, vdst_16);\
    t = vec_packsu(vdst_16, vdst_16);\
    vec_ste((vec_u32)t, 0, (unsigned int *)dst);\
@@ -59,30 +59,17 @@ static const vec_s8 h_subpel_filters_outer[3] =
    vec_s8 filter_outerh = h_subpel_filters_outer[(i)>>1]; \
    vec_s8 filter_outerl = vec_sld(filter_outerh, filter_outerh, 2)

-#if HAVE_BIGENDIAN
-#define GET_PIXHL(offset)                   \
-    a = vec_ld((offset)-is6tap-1, src);     \
-    b = vec_ld((offset)-is6tap-1+15, src);  \
-    pixh  = vec_perm(a, b, permh##offset);  \
-    pixl  = vec_perm(a, b, perml##offset)
-
-#define GET_OUTER(offset) outer = vec_perm(a, b, perm_6tap##offset)
-#else
-#define GET_PIXHL(offset)                   \
-    a = vec_vsx_ld((offset)-is6tap-1, src); \
-    pixh  = vec_perm(a, a, perm_inner);     \
-    pixl  = vec_perm(a, a, vec_add(perm_inner, vec_splat_u8(4)))
-
-#define GET_OUTER(offset) outer = vec_perm(a, a, perm_outer)
-#endif
-
 #define FILTER_H(dstv, off) \
-    GET_PIXHL(off);                            \
+    a = vec_ld((off)-is6tap-1,    src); \
+    b = vec_ld((off)-is6tap-1+15, src); \
+\
+    pixh  = vec_perm(a, b, permh##off); \
+    pixl  = vec_perm(a, b, perml##off); \
    filth = vec_msum(filter_inner, pixh, c64); \
    filtl = vec_msum(filter_inner, pixl, c64); \
 \
    if (is6tap) { \
-        GET_OUTER(off);                                \
+        outer = vec_perm(a, b, perm_6tap##off); \
        filth = vec_msum(filter_outerh, outer, filth); \
        filtl = vec_msum(filter_outerl, outer, filtl); \
    } \
@@ -97,12 +84,9 @@ void put_vp8_epel_h_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
                                 int h, int mx, int w, int is6tap)
 {
    LOAD_H_SUBPEL_FILTER(mx-1);
-#if HAVE_BIGENDIAN
-    vec_u8 align_vec0, align_vec8, permh0, permh8;
+    vec_u8 align_vec0, align_vec8, permh0, permh8, filt;
    vec_u8 perm_6tap0, perm_6tap8, perml0, perml8;
-    vec_u8 b;
-#endif
-    vec_u8 filt, a, pixh, pixl, outer;
+    vec_u8 a, b, pixh, pixl, outer;
    vec_s16 f16h, f16l;
    vec_s32 filth, filtl;

@@ -113,7 +97,6 @@ void put_vp8_epel_h_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
    vec_s32 c64 = vec_sl(vec_splat_s32(1), vec_splat_u32(6));
    vec_u16 c7  = vec_splat_u16(7);

-#if HAVE_BIGENDIAN
    align_vec0 = vec_lvsl( -is6tap-1, src);
    align_vec8 = vec_lvsl(8-is6tap-1, src);

@@ -124,7 +107,6 @@ void put_vp8_epel_h_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
    perml8     = vec_perm(align_vec8, align_vec8, perm_inner);
    perm_6tap0 = vec_perm(align_vec0, align_vec0, perm_outer);
    perm_6tap8 = vec_perm(align_vec8, align_vec8, perm_outer);
-#endif

    while (h --> 0) {
        FILTER_H(f16h, 0);
@@ -182,12 +164,6 @@ static const vec_u8 v_subpel_filters[7] =
    dstv = vec_adds(dstv, c64); \
    dstv = vec_sra(dstv, c7)

-#if HAVE_BIGENDIAN
-#define LOAD_HL(off, s, perm) load_with_perm_vec(off, s, perm)
-#else
-#define LOAD_HL(off, s, perm) vec_mergeh(vec_vsx_ld(off,s), vec_vsx_ld(off+8,s))
-#endif
-
 static av_always_inline
 void put_vp8_epel_v_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
                                 uint8_t *src, ptrdiff_t src_stride,
@@ -199,7 +175,6 @@ void put_vp8_epel_v_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
    vec_s16 c64 = vec_sl(vec_splat_s16(1), vec_splat_u16(6));
    vec_u16 c7  = vec_splat_u16(7);

-#if HAVE_BIGENDIAN
    // we want pixels 0-7 to be in the even positions and 8-15 in the odd,
    // so combine this permute with the alignment permute vector
    align_vech = vec_lvsl(0, src);
@@ -208,23 +183,22 @@ void put_vp8_epel_v_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
        perm_vec = vec_mergeh(align_vech, align_vecl);
    else
        perm_vec = vec_mergeh(align_vech, align_vech);
-#endif

    if (is6tap)
-        s0 = LOAD_HL(-2*src_stride, src, perm_vec);
-    s1 = LOAD_HL(-1*src_stride, src, perm_vec);
-    s2 = LOAD_HL( 0*src_stride, src, perm_vec);
-    s3 = LOAD_HL( 1*src_stride, src, perm_vec);
+        s0 = load_with_perm_vec(-2*src_stride, src, perm_vec);
+    s1 = load_with_perm_vec(-1*src_stride, src, perm_vec);
+    s2 = load_with_perm_vec( 0*src_stride, src, perm_vec);
+    s3 = load_with_perm_vec( 1*src_stride, src, perm_vec);
    if (is6tap)
-        s4 = LOAD_HL( 2*src_stride, src, perm_vec);
+        s4 = load_with_perm_vec( 2*src_stride, src, perm_vec);

    src += (2+is6tap)*src_stride;

    while (h --> 0) {
        if (is6tap)
-            s5 = LOAD_HL(0, src, perm_vec);
+            s5 = load_with_perm_vec(0, src, perm_vec);
        else
-            s4 = LOAD_HL(0, src, perm_vec);
+            s4 = load_with_perm_vec(0, src, perm_vec);

        FILTER_V(f16h, vec_mule);

@@ -298,25 +272,39 @@ EPEL_HV(4,  4,4)

 static void put_vp8_pixels16_altivec(uint8_t *dst, ptrdiff_t dstride, uint8_t *src, ptrdiff_t sstride, int h, int mx, int my)
 {
-    register vector unsigned char perm;
+    register vector unsigned char pixelsv1, pixelsv2;
+    register vector unsigned char pixelsv1B, pixelsv2B;
+    register vector unsigned char pixelsv1C, pixelsv2C;
+    register vector unsigned char pixelsv1D, pixelsv2D;
+
+    register vector unsigned char perm = vec_lvsl(0, src);
    int i;
    register ptrdiff_t dstride2 = dstride << 1, sstride2 = sstride << 1;
    register ptrdiff_t dstride3 = dstride2 + dstride, sstride3 = sstride + sstride2;
    register ptrdiff_t dstride4 = dstride << 2, sstride4 = sstride << 2;

-#if HAVE_BIGENDIAN
-    perm = vec_lvsl(0, src);
-#endif
 // hand-unrolling the loop by 4 gains about 15%
 // mininum execution time goes from 74 to 60 cycles
 // it's faster than -funroll-loops, but using
 // -funroll-loops w/ this is bad - 74 cycles again.
 // all this is on a 7450, tuning for the 7450
    for (i = 0; i < h; i += 4) {
-        vec_st(load_with_perm_vec(0, src, perm), 0, dst);
-        vec_st(load_with_perm_vec(sstride, src, perm), dstride, dst);
-        vec_st(load_with_perm_vec(sstride2, src, perm), dstride2, dst);
-        vec_st(load_with_perm_vec(sstride3, src, perm), dstride3, dst);
+        pixelsv1  = vec_ld( 0, src);
+        pixelsv2  = vec_ld(15, src);
+        pixelsv1B = vec_ld(sstride, src);
+        pixelsv2B = vec_ld(15 + sstride, src);
+        pixelsv1C = vec_ld(sstride2, src);
+        pixelsv2C = vec_ld(15 + sstride2, src);
+        pixelsv1D = vec_ld(sstride3, src);
+        pixelsv2D = vec_ld(15 + sstride3, src);
+        vec_st(vec_perm(pixelsv1, pixelsv2, perm),
+               0, (unsigned char*)dst);
+        vec_st(vec_perm(pixelsv1B, pixelsv2B, perm),
+               dstride, (unsigned char*)dst);
+        vec_st(vec_perm(pixelsv1C, pixelsv2C, perm),
+               dstride2, (unsigned char*)dst);
+        vec_st(vec_perm(pixelsv1D, pixelsv2D, perm),
+               dstride3, (unsigned char*)dst);
        src += sstride4;
        dst += dstride4;
    }
@@ -66,9 +66,6 @@
 #include "compat/os2threads.h"
 #endif

-#include "libavutil/ffversion.h"
-const char av_codec_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
 #if HAVE_PTHREADS || HAVE_W32THREADS || HAVE_OS2THREADS
 static int default_lockmgr_cb(void **arg, enum AVLockOp op)
 {
@@ -215,8 +215,6 @@ static void restore_median(uint8_t *src, int step, int stride,
        slice_height = ((((slice + 1) * height) / slices) & cmask) -
                       slice_start;

-        if (!slice_height)
-            continue;
        bsrc = src + slice_start * stride;

        // first line - left neighbour prediction
@@ -272,8 +270,6 @@ static void restore_median_il(uint8_t *src, int step, int stride,
        slice_height   = ((((slice + 1) * height) / slices) & cmask) -
                         slice_start;
        slice_height >>= 1;
-        if (!slice_height)
-            continue;

        bsrc = src + slice_start * stride;

@@ -339,9 +339,6 @@ static int vmd_decode(VmdVideoContext *s, AVFrame *frame)
                        ofs += slen;
                        bytestream2_skip(&gb, len);
                    } else {
-                        if (ofs + len > frame_width ||
-                            bytestream2_get_bytes_left(&gb) < len)
-                            return AVERROR_INVALIDDATA;
                        bytestream2_get_buffer(&gb, &dp[ofs], len);
                        ofs += len;
                    }
@@ -77,8 +77,6 @@ static int parse(AVCodecParserContext *ctx,
                    idx += a; \
                    if (sz > size) { \
                        s->n_frames = 0; \
-                        *out_size = 0; \
-                        *out_data = data; \
                        av_log(avctx, AV_LOG_ERROR, \
                               "Superframe packet size too big: %u > %d\n", \
                               sz, size); \
@@ -24,8 +24,6 @@
 * X-Face common data and utilities definition.
 */

-#include "libavutil/avassert.h"
-
 #include "xface.h"

 void ff_big_add(BigInt *b, uint8_t a)
@@ -45,7 +43,6 @@ void ff_big_add(BigInt *b, uint8_t a)
        c >>= XFACE_BITSPERWORD;
    }
    if (i == b->nb_words && c) {
-        av_assert0(b->nb_words < XFACE_MAX_WORDS);
        b->nb_words++;
        *w = c & XFACE_WORDMASK;
    }
@@ -101,7 +98,6 @@ void ff_big_mul(BigInt *b, uint8_t a)
        return;
    if (a == 0) {
        /* treat this as a == WORDCARRY and just shift everything left a WORD */
-        av_assert0(b->nb_words < XFACE_MAX_WORDS);
        i = b->nb_words++;
        w = b->words + i;
        while (i--) {
@@ -120,7 +116,6 @@ void ff_big_mul(BigInt *b, uint8_t a)
        c >>= XFACE_BITSPERWORD;
    }
    if (c) {
-        av_assert0(b->nb_words < XFACE_MAX_WORDS);
        b->nb_words++;
        *w = c & XFACE_WORDMASK;
    }
@@ -41,17 +41,17 @@
 /*
 * Image is encoded as a big integer, using characters from '~' to
 * '!', for a total of 94 symbols. In order to express
- * 48x48 pixels with the worst case encoding 666 symbols should
- * be sufficient.
+ * 48x48*2=8*XFACE_MAX_WORDS=4608
+ * bits, we need a total of 704 digits, as given by:
+ * ceil(lg_94(2^4608)) = 704
 */
-#define XFACE_MAX_DIGITS 666
+#define XFACE_MAX_DIGITS 704

 #define XFACE_BITSPERWORD 8
 #define XFACE_WORDCARRY (1 << XFACE_BITSPERWORD)
 #define XFACE_WORDMASK (XFACE_WORDCARRY - 1)

-// This must be larger or equal to log256(94^XFACE_MAX_DIGITS)
-#define XFACE_MAX_WORDS 546
+#define XFACE_MAX_WORDS ((XFACE_PIXELS * 2 + XFACE_BITSPERWORD - 1) / XFACE_BITSPERWORD)

 /* Portable, very large unsigned integer arithmetic is needed.
 * Implementation uses arrays of WORDs. */
@@ -23,9 +23,6 @@
 #include "avdevice.h"
 #include "config.h"

-#include "libavutil/ffversion.h"
-const char av_device_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
 #define E AV_OPT_FLAG_ENCODING_PARAM
 #define D AV_OPT_FLAG_DECODING_PARAM
 #define A AV_OPT_FLAG_AUDIO_PARAM
@@ -350,7 +350,7 @@ static int iec61883_read_header(AVFormatContext *context)
    if (!dv->max_packets)
        dv->max_packets = 100;

-    if (CONFIG_MPEGTS_DEMUXER && dv->type == IEC61883_HDV) {
+    if (dv->type == IEC61883_HDV) {

        /* Init HDV receive */

@@ -444,7 +444,7 @@ static int iec61883_close(AVFormatContext *context)
    pthread_mutex_destroy(&dv->mutex);
 #endif

-    if (CONFIG_MPEGTS_DEMUXER && dv->type == IEC61883_HDV) {
+    if (dv->type == IEC61883_HDV) {
        iec61883_mpeg2_recv_stop(dv->iec61883_mpeg2);
        iec61883_mpeg2_close(dv->iec61883_mpeg2);
        avpriv_mpegts_parse_close(dv->mpeg_demux);
@@ -496,8 +496,6 @@ static av_cold int init(AVFilterContext *ctx)
        snprintf(name, sizeof(name), "input%d", i);
        pad.type           = AVMEDIA_TYPE_AUDIO;
        pad.name           = av_strdup(name);
-        if (!pad.name)
-            return AVERROR(ENOMEM);
        pad.filter_frame   = filter_frame;

        ff_insert_inpad(ctx, i, &pad);
@@ -214,8 +214,6 @@ static av_cold int join_init(AVFilterContext *ctx)
        snprintf(name, sizeof(name), "input%d", i);
        pad.type           = AVMEDIA_TYPE_AUDIO;
        pad.name           = av_strdup(name);
-        if (!pad.name)
-            return AVERROR(ENOMEM);
        pad.filter_frame   = filter_frame;

        pad.needs_fifo = 1;
@@ -37,9 +37,6 @@
 #include "formats.h"
 #include "internal.h"

-#include "libavutil/ffversion.h"
-const char av_filter_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
 static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame);

 void ff_tlog_ref(void *ctx, AVFrame *ref, int end)
@@ -52,8 +52,6 @@ static av_cold int split_init(AVFilterContext *ctx)
        snprintf(name, sizeof(name), "output%d", i);
        pad.type = ctx->filter->inputs[0].type;
        pad.name = av_strdup(name);
-        if (!pad.name)
-            return AVERROR(ENOMEM);

        ff_insert_outpad(ctx, i, &pad);
    }
@@ -289,8 +289,6 @@ static av_cold int movie_common_init(AVFilterContext *ctx)
        snprintf(name, sizeof(name), "out%d", i);
        pad.type          = movie->st[i].st->codec->codec_type;
        pad.name          = av_strdup(name);
-        if (!pad.name)
-            return AVERROR(ENOMEM);
        pad.config_props  = movie_config_output_props;
        pad.request_frame = movie_request_frame;
        ff_insert_outpad(ctx, i, &pad);
@@ -220,19 +220,6 @@ static int config_props(AVFilterLink *inlink)

 #define NB_PLANES 4

-static inline int mirror(int x, int w)
-{
-    if (!w)
-        return 0;
-
-    while ((unsigned)x > (unsigned)w) {
-        x = -x;
-        if (x < 0)
-            x += 2 * w;
-    }
-    return x;
-}
-
 static void blur(uint8_t       *dst, const int dst_linesize,
                 const uint8_t *src, const int src_linesize,
                 const int w, const int h, FilterParam *fp)
@@ -266,7 +253,8 @@ static void blur(uint8_t       *dst, const int dst_linesize,
                for (dy = 0; dy < radius*2 + 1; dy++) {
                    int dx;
                    int iy = y+dy - radius;
-                    iy = mirror(iy, h-1);
+                    if      (iy < 0)  iy = -iy;
+                    else if (iy >= h) iy = h+h-iy-1;

                    for (dx = 0; dx < radius*2 + 1; dx++) {
                        const int ix = x+dx - radius;
@@ -277,11 +265,13 @@ static void blur(uint8_t       *dst, const int dst_linesize,
                for (dy = 0; dy < radius*2+1; dy++) {
                    int dx;
                    int iy = y+dy - radius;
-                    iy = mirror(iy, h-1);
+                    if      (iy <  0) iy = -iy;
+                    else if (iy >= h) iy = h+h-iy-1;

                    for (dx = 0; dx < radius*2 + 1; dx++) {
                        int ix = x+dx - radius;
-                        ix = mirror(ix, w-1);
+                        if      (ix < 0)  ix = -ix;
+                        else if (ix >= w) ix = w+w-ix-1;
                        UPDATE_FACTOR;
                    }
                }
@@ -377,7 +377,7 @@ OBJS-$(CONFIG_RTP_MUXER)                 += rtp.o         \
                                            rtpenc_h264.o \
                                            rtpenc_vp8.o  \
                                            rtpenc_xiph.o \
-                                            avc.o hevc.o
+                                            avc.o
 OBJS-$(CONFIG_RTSP_DEMUXER)              += rtsp.o rtspdec.o httpauth.o \
                                            urldecode.o
 OBJS-$(CONFIG_RTSP_MUXER)                += rtsp.o rtspenc.o httpauth.o \
@@ -519,9 +519,6 @@ OBJS-$(CONFIG_UNIX_PROTOCOL)             += unix.o

 OBJS-$(HAVE_LIBC_MSVCRT)                 += file_open.o

-# libavdevice dependencies
-OBJS-$(CONFIG_IEC61883_INDEV)            += dv.o
-
 # Windows resource file
 SLIBOBJS-$(HAVE_GNU_WINDRES)             += avformatres.o

@@ -404,7 +404,7 @@ static int apng_read_packet(AVFormatContext *s, AVPacket *pkt)
        return 0;
    default:
        {
-        char tag_buf[32];
+        char tag_buf[5];

        av_get_codec_tag_string(tag_buf, sizeof(tag_buf), tag);
        avpriv_request_sample(s, "In-stream tag=%s (0x%08X) len=%"PRIu32, tag_buf, tag, len);
@@ -223,9 +223,6 @@ int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
            return offset1;
        offset += offset1;
    }
-    if (offset < 0)
-        return AVERROR(EINVAL);
-
    offset1 = offset - pos;
    if (!s->must_flush && (!s->direct || !s->seek) &&
        offset1 >= 0 && offset1 <= buffer_size) {
@@ -127,8 +127,6 @@ static int cdxl_read_packet(AVFormatContext *s, AVPacket *pkt)
    height       = AV_RB16(&cdxl->header[16]);
    palette_size = AV_RB16(&cdxl->header[20]);
    audio_size   = AV_RB16(&cdxl->header[22]);
-    if (FFALIGN(width, 16) * (uint64_t)height * cdxl->header[19] > INT_MAX)
-        return AVERROR_INVALIDDATA;
    image_size   = FFALIGN(width, 16) * height * cdxl->header[19] / 8;
    video_size   = palette_size + image_size;

@@ -122,7 +122,7 @@ static int crypto_open2(URLContext *h, const char *uri, int flags, AVDictionary
                               c->key, c->keylen, "decryption key")) < 0)
            goto err;
        if ((ret = set_aes_arg(c, &c->decrypt_iv, &c->decrypt_ivlen,
-                               c->iv, c->ivlen, "decryption IV")) < 0)
+                               c->key, c->keylen, "decryption IV")) < 0)
            goto err;
    }

@@ -132,7 +132,7 @@ static int crypto_open2(URLContext *h, const char *uri, int flags, AVDictionary
        if (ret < 0)
            goto err;
        if ((ret = set_aes_arg(c, &c->encrypt_iv, &c->encrypt_ivlen,
-                               c->iv, c->ivlen, "encryption IV")) < 0)
+                               c->key, c->keylen, "encryption IV")) < 0)
            goto err;
    }

@@ -390,7 +390,7 @@ static int amf_parse_object(AVFormatContext *s, AVStream *astream,
    FLVContext *flv = s->priv_data;
    AVIOContext *ioc;
    AMFDataType amf_type;
-    char str_val[1024];
+    char str_val[256];
    double num_val;

    num_val  = 0;
@@ -459,11 +459,11 @@ static int amf_parse_object(AVFormatContext *s, AVStream *astream,
    }

    if (key) {
-        acodec = astream ? astream->codec : NULL;
-        vcodec = vstream ? vstream->codec : NULL;
-
        // stream info doesn't live any deeper than the first object
        if (depth == 1) {
+            acodec = astream ? astream->codec : NULL;
+            vcodec = vstream ? vstream->codec : NULL;
+
            if (amf_type == AMF_DATA_TYPE_NUMBER ||
                amf_type == AMF_DATA_TYPE_BOOL) {
                if (!strcmp(key, "duration"))
@@ -558,13 +558,13 @@ static int flv_read_metabody(AVFormatContext *s, int64_t next_pos)
    type = avio_r8(ioc);
    if (type != AMF_DATA_TYPE_STRING ||
        amf_get_string(ioc, buffer, sizeof(buffer)) < 0)
-        return 2;
+        return -1;

    if (!strcmp(buffer, "onTextData"))
        return 1;

    if (strcmp(buffer, "onMetaData") && strcmp(buffer, "onCuePoint"))
-        return 2;
+        return -1;

    // find the streams now so that amf_parse_object doesn't need to do
    // the lookup every time it is called.
@@ -623,7 +623,7 @@ static int flv_read_close(AVFormatContext *s)

 static int flv_get_extradata(AVFormatContext *s, AVStream *st, int size)
 {
-    av_freep(&st->codec->extradata);
+    av_free(st->codec->extradata);
    if (ff_get_extradata(st->codec, s->pb, size) < 0)
        return AVERROR(ENOMEM);
    return 0;
@@ -822,7 +822,7 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
            stream_type=FLV_STREAM_TYPE_DATA;
            if (size > 13 + 1 + 4 && dts == 0) { // Header-type metadata stuff
                meta_pos = avio_tell(s->pb);
-                if (flv_read_metabody(s, next) <= 0) {
+                if (flv_read_metabody(s, next) == 0) {
                    goto skip;
                }
                avio_seek(s->pb, meta_pos, SEEK_SET);
@@ -145,15 +145,15 @@ static void hds_free(AVFormatContext *s)
        if (os->ctx && os->ctx_inited)
            av_write_trailer(os->ctx);
        if (os->ctx && os->ctx->pb)
-            av_freep(&os->ctx->pb);
+            av_free(os->ctx->pb);
        if (os->ctx)
            avformat_free_context(os->ctx);
-        av_freep(&os->metadata);
+        av_free(os->metadata);
        for (j = 0; j < os->nb_extra_packets; j++)
-            av_freep(&os->extra_packets[j]);
+            av_free(os->extra_packets[j]);
        for (j = 0; j < os->nb_fragments; j++)
-            av_freep(&os->fragments[j]);
-        av_freep(&os->fragments);
+            av_free(os->fragments[j]);
+        av_free(os->fragments);
    }
    av_freep(&c->streams);
 }
@@ -499,7 +499,7 @@ static int hds_flush(AVFormatContext *s, OutputStream *os, int final,
        if (remove > 0) {
            for (i = 0; i < remove; i++) {
                unlink(os->fragments[i]->file);
-                av_freep(&os->fragments[i]);
+                av_free(os->fragments[i]);
            }
            os->nb_fragments -= remove;
            memmove(os->fragments, os->fragments + remove,
@@ -189,7 +189,6 @@ typedef struct MOVContext {
    int has_looked_for_mfra;
    MOVFragmentIndex** fragment_index_data;
    unsigned fragment_index_count;
-    int atom_depth;
 } MOVContext;

 int ff_mp4_read_descr_len(AVIOContext *pb);
@@ -1080,7 +1080,7 @@ static void ebml_free(EbmlSyntax *syntax, void *data)
                for (j = 0; j < list->nb_elem;
                     j++, ptr += syntax[i].list_elem_size)
                    ebml_free(syntax[i].def.n, ptr);
-                av_freep(&list->elem);
+                av_free(list->elem);
            } else
                ebml_free(syntax[i].def.n, data_off);
        default:
@@ -1414,17 +1414,13 @@ static void matroska_execute_seekhead(MatroskaDemuxContext *matroska)
    EbmlList *seekhead_list = &matroska->seekhead;
    int64_t before_pos = avio_tell(matroska->ctx->pb);
    int i;
-    int nb_elem;

    // we should not do any seeking in the streaming case
    if (!matroska->ctx->pb->seekable ||
        (matroska->ctx->flags & AVFMT_FLAG_IGNIDX))
        return;

-    // do not read entries that are added while parsing seekhead entries
-    nb_elem = seekhead_list->nb_elem;
-
-    for (i = 0; i < nb_elem; i++) {
+    for (i = 0; i < seekhead_list->nb_elem; i++) {
        MatroskaSeekhead *seekhead = seekhead_list->elem;
        if (seekhead[i].pos <= before_pos)
            continue;
@@ -2134,7 +2130,7 @@ static int matroska_deliver_packet(MatroskaDemuxContext *matroska,
 {
    if (matroska->num_packets > 0) {
        memcpy(pkt, matroska->packets[0], sizeof(AVPacket));
-        av_freep(&matroska->packets[0]);
+        av_free(matroska->packets[0]);
        if (matroska->num_packets > 1) {
            void *newpackets;
            memmove(&matroska->packets[0], &matroska->packets[1],
@@ -2165,7 +2161,7 @@ static void matroska_clear_queue(MatroskaDemuxContext *matroska)
        int n;
        for (n = 0; n < matroska->num_packets; n++) {
            av_free_packet(matroska->packets[n]);
-            av_freep(&matroska->packets[n]);
+            av_free(matroska->packets[n]);
        }
        av_freep(&matroska->packets);
        matroska->num_packets = 0;
@@ -3003,7 +2999,7 @@ static int matroska_read_close(AVFormatContext *s)

    for (n = 0; n < matroska->tracks.nb_elem; n++)
        if (tracks[n].type == MATROSKA_TRACK_TYPE_AUDIO)
-            av_freep(&tracks[n].audio.buf);
+            av_free(tracks[n].audio.buf);
    ebml_free(matroska_cluster, &matroska->current_cluster);
    ebml_free(matroska_segment, matroska);

@@ -210,11 +210,7 @@ static int mov_read_covr(MOVContext *c, AVIOContext *pb, int type, int len)
 static int mov_metadata_raw(MOVContext *c, AVIOContext *pb,
                            unsigned len, const char *key)
 {
-    char *value;
-    // Check for overflow.
-    if (len >= INT_MAX)
-        return AVERROR(EINVAL);
-    value = av_malloc(len + 1);
+    char *value = av_malloc(len + 1);
    if (!value)
        return AVERROR(ENOMEM);
    avio_read(pb, value, len);
@@ -356,7 +352,7 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)

    if (!key)
        return 0;
-    if (atom.size < 0 || str_size >= INT_MAX/2)
+    if (atom.size < 0)
        return AVERROR_INVALIDDATA;

    str_size_alloc = str_size << 1; // worst-case requirement for output string in case of utf8 coded input
@@ -1154,7 +1150,7 @@ static int mov_read_wave(MOVContext *c, AVIOContext *pb, MOVAtom atom)
        st->codec->codec_id == AV_CODEC_ID_QDMC ||
        st->codec->codec_id == AV_CODEC_ID_SPEEX) {
        // pass all frma atom to codec, needed at least for QDMC and QDM2
-        av_freep(&st->codec->extradata);
+        av_free(st->codec->extradata);
        if (ff_get_extradata(st->codec, pb, atom.size) < 0)
            return AVERROR(ENOMEM);
    } else if (atom.size > 8) { /* to read frma, esds atoms */
@@ -1194,7 +1190,7 @@ static int mov_read_glbl(MOVContext *c, AVIOContext *pb, MOVAtom atom)
        av_log(c, AV_LOG_WARNING, "ignoring multiple glbl\n");
        return 0;
    }
-    av_freep(&st->codec->extradata);
+    av_free(st->codec->extradata);
    if (ff_get_extradata(st->codec, pb, atom.size) < 0)
        return AVERROR(ENOMEM);

@@ -1219,7 +1215,7 @@ static int mov_read_dvc1(MOVContext *c, AVIOContext *pb, MOVAtom atom)
        return 0;

    avio_seek(pb, 6, SEEK_CUR);
-    av_freep(&st->codec->extradata);
+    av_free(st->codec->extradata);
    if ((ret = ff_get_extradata(st->codec, pb, atom.size - 7)) < 0)
        return ret;

@@ -1245,7 +1241,7 @@ static int mov_read_strf(MOVContext *c, AVIOContext *pb, MOVAtom atom)
        return AVERROR_INVALIDDATA;

    avio_skip(pb, 40);
-    av_freep(&st->codec->extradata);
+    av_free(st->codec->extradata);
    if (ff_get_extradata(st->codec, pb, atom.size - 40) < 0)
        return AVERROR(ENOMEM);
    return 0;
@@ -1554,7 +1550,7 @@ static void mov_parse_stsd_audio(MOVContext *c, AVIOContext *pb,

 static void mov_parse_stsd_subtitle(MOVContext *c, AVIOContext *pb,
                                    AVStream *st, MOVStreamContext *sc,
-                                    int64_t size)
+                                    int size)
 {
    // ttxt stsd contains display flags, justification, background
    // color, fonts, and default styles, so fake an atom to read it
@@ -1619,10 +1615,10 @@ static int mov_rewrite_dvd_sub_extradata(AVStream *st)

 static int mov_parse_stsd_data(MOVContext *c, AVIOContext *pb,
                                AVStream *st, MOVStreamContext *sc,
-                                int64_t size)
+                                int size)
 {
    if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
-        if ((int)size != size || ff_get_extradata(st->codec, pb, size) < 0)
+        if (ff_get_extradata(st->codec, pb, size) < 0)
            return AVERROR(ENOMEM);
        if (size > 16) {
            MOVStreamContext *tmcd_ctx = st->priv_data;
@@ -3392,12 +3388,6 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
    MOVAtom a;
    int i;

-    if (c->atom_depth > 10) {
-        av_log(c->fc, AV_LOG_ERROR, "Atoms too deeply nested\n");
-        return AVERROR_INVALIDDATA;
-    }
-    c->atom_depth ++;
-
    if (atom.size < 0)
        atom.size = INT64_MAX;
    while (total_size + 8 <= atom.size && !avio_feof(pb)) {
@@ -3427,12 +3417,11 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
                {
                    av_log(c->fc, AV_LOG_ERROR, "Broken file, trak/mdat not at top-level\n");
                    avio_skip(pb, -8);
-                    c->atom_depth --;
                    return 0;
                }
            }
            total_size += 8;
-            if (a.size == 1 && total_size + 8 <= atom.size) { /* 64 bit extended size */
+            if (a.size == 1) { /* 64 bit extended size */
                a.size = avio_rb64(pb) - 8;
                total_size += 8;
            }
@@ -3464,16 +3453,13 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
            int64_t start_pos = avio_tell(pb);
            int64_t left;
            int err = parse(c, pb, a);
-            if (err < 0) {
-                c->atom_depth --;
+            if (err < 0)
                return err;
-            }
            if (c->found_moov && c->found_mdat &&
                ((!pb->seekable || c->fc->flags & AVFMT_FLAG_IGNIDX) ||
                 start_pos + a.size == avio_size(pb))) {
                if (!pb->seekable || c->fc->flags & AVFMT_FLAG_IGNIDX)
                    c->next_root_atom = start_pos + a.size;
-                c->atom_depth --;
                return 0;
            }
            left = a.size - avio_tell(pb) + start_pos;
@@ -3493,7 +3479,6 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
    if (total_size < atom.size && atom.size < 0x7ffff)
        avio_skip(pb, atom.size - total_size);

-    c->atom_depth --;
    return 0;
 }

@@ -3783,39 +3768,35 @@ static void export_orphan_timecode(AVFormatContext *s)
 static int read_tfra(MOVContext *mov, AVIOContext *f)
 {
    MOVFragmentIndex* index = NULL;
-    int version, fieldlength, i, j;
+    int version, fieldlength, i, j, err;
    int64_t pos = avio_tell(f);
    uint32_t size = avio_rb32(f);
-    void *tmp;
-
    if (avio_rb32(f) != MKBETAG('t', 'f', 'r', 'a')) {
-        return 1;
+        return -1;
    }
    av_log(mov->fc, AV_LOG_VERBOSE, "found tfra\n");
    index = av_mallocz(sizeof(MOVFragmentIndex));
    if (!index) {
        return AVERROR(ENOMEM);
    }
-
-    tmp = av_realloc_array(mov->fragment_index_data,
-                           mov->fragment_index_count + 1,
-                           sizeof(MOVFragmentIndex*));
-    if (!tmp) {
+    mov->fragment_index_count++;
+    if ((err = av_reallocp(&mov->fragment_index_data,
+                           mov->fragment_index_count *
+                           sizeof(MOVFragmentIndex*))) < 0) {
        av_freep(&index);
-        return AVERROR(ENOMEM);
+        return err;
    }
-    mov->fragment_index_data = tmp;
-    mov->fragment_index_data[mov->fragment_index_count++] = index;
+    mov->fragment_index_data[mov->fragment_index_count - 1] =
+        index;

    version = avio_r8(f);
    avio_rb24(f);
    index->track_id = avio_rb32(f);
    fieldlength = avio_rb32(f);
    index->item_count = avio_rb32(f);
-    index->items = av_mallocz_array(
-            index->item_count, sizeof(MOVFragmentIndexItem));
+    index->items = av_mallocz(
+            index->item_count * sizeof(MOVFragmentIndexItem));
    if (!index->items) {
-        index->item_count = 0;
        return AVERROR(ENOMEM);
    }
    for (i = 0; i < index->item_count; i++) {
@@ -3869,13 +3850,11 @@ static int mov_read_mfra(MOVContext *c, AVIOContext *f)
        av_log(c->fc, AV_LOG_DEBUG, "doesn't look like mfra (tag mismatch)\n");
        goto fail;
    }
-    av_log(c->fc, AV_LOG_VERBOSE, "stream has mfra\n");
-    do {
-        ret = read_tfra(c, f);
-        if (ret < 0)
-            goto fail;
-    } while (!ret);
    ret = 0;
+    av_log(c->fc, AV_LOG_VERBOSE, "stream has mfra\n");
+    while (!read_tfra(c, f)) {
+        /* Empty */
+    }
 fail:
    seek_ret = avio_seek(f, original_pos, SEEK_SET);
    if (seek_ret < 0) {
@@ -4114,7 +4093,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
 #if CONFIG_DV_DEMUXER
        if (mov->dv_demux && sc->dv_audio_container) {
            avpriv_dv_produce_packet(mov->dv_demux, pkt, pkt->data, pkt->size, pkt->pos);
-            av_freep(&pkt->data);
+            av_free(pkt->data);
            pkt->size = 0;
            ret = avpriv_dv_get_packet(mov->dv_demux, pkt);
            if (ret < 0)
@@ -2499,8 +2499,7 @@ static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
    }

    version = max_track_len < UINT32_MAX ? 0 : 1;
-    avio_wb32(pb, version == 1 ? 120 : 108); /* size */
-
+    (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
    ffio_wfourcc(pb, "mvhd");
    avio_w8(pb, version);
    avio_wb24(pb, 0); /* flags */
@@ -70,7 +70,7 @@ static int rsd_read_header(AVFormatContext *s)
    codec->codec_tag  = avio_rl32(pb);
    codec->codec_id   = ff_codec_get_id(rsd_tags, codec->codec_tag);
    if (!codec->codec_id) {
-        char tag_buf[32];
+        char tag_buf[5];

        av_get_codec_tag_string(tag_buf, sizeof(tag_buf), codec->codec_tag);
        for (i=0; i < FF_ARRAY_ELEMS(rsd_unsupported_tags); i++) {
@@ -343,7 +343,7 @@ static int segment_end(AVFormatContext *s, int write_trailer, int is_last)
            if (seg->list_size && seg->segment_count >= seg->list_size) {
                entry = seg->segment_list_entries;
                seg->segment_list_entries = seg->segment_list_entries->next;
-                av_freep(&entry->filename);
+                av_free(entry->filename);
                av_freep(&entry);
            }

@@ -501,10 +501,10 @@ static int open_null_ctx(AVIOContext **ctx)
    return 0;
 }

-static void close_null_ctxp(AVIOContext **pb)
+static void close_null_ctx(AVIOContext *pb)
 {
-    av_freep(&(*pb)->buffer);
-    av_freep(pb);
+    av_free(pb->buffer);
+    av_free(pb);
 }

 static int select_reference_stream(AVFormatContext *s)
@@ -687,7 +687,7 @@ static int seg_write_header(AVFormatContext *s)
        s->avoid_negative_ts = 1;

    if (!seg->write_header_trailer) {
-        close_null_ctxp(&oc->pb);
+        close_null_ctx(oc->pb);
        if ((ret = avio_open2(&oc->pb, oc->filename, AVIO_FLAG_WRITE,
                              &s->interrupt_callback, NULL)) < 0)
            goto fail;
@@ -820,7 +820,7 @@ static int seg_write_trailer(struct AVFormatContext *s)
            goto fail;
        open_null_ctx(&oc->pb);
        ret = av_write_trailer(oc);
-        close_null_ctxp(&oc->pb);
+        close_null_ctx(oc->pb);
    } else {
        ret = segment_end(s, 1, 1);
    }
@@ -836,7 +836,7 @@ fail:
    cur = seg->segment_list_entries;
    while (cur) {
        next = cur->next;
-        av_freep(&cur->filename);
+        av_free(cur->filename);
        av_free(cur);
        cur = next;
    }
@@ -53,9 +53,6 @@
 #include "riff.h"
 #include "url.h"

-#include "libavutil/ffversion.h"
-const char av_format_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
 /**
 * @file
 * various utility functions for use within FFmpeg
@@ -597,8 +594,6 @@ static int update_wrap_reference(AVFormatContext *s, AVStream *st, int stream_in
        int default_stream_index = av_find_default_stream_index(s);
        if (s->streams[default_stream_index]->pts_wrap_reference == AV_NOPTS_VALUE) {
            for (i = 0; i < s->nb_streams; i++) {
-                if (av_find_program_from_stream(s, NULL, i))
-                    continue;
                s->streams[i]->pts_wrap_reference = pts_wrap_reference;
                s->streams[i]->pts_wrap_behavior = pts_wrap_behavior;
            }
@@ -2829,7 +2824,6 @@ int ff_alloc_extradata(AVCodecContext *avctx, int size)
    int ret;

    if (size < 0 || size >= INT32_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
-        avctx->extradata = NULL;
        avctx->extradata_size = 0;
        return AVERROR(EINVAL);
    }
@@ -503,7 +503,6 @@ int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
                free_side_data(&dst->side_data[i]);
            }
            av_freep(&dst->side_data);
-            dst->nb_side_data = 0;
            return AVERROR(ENOMEM);
        }
        memcpy(sd_dst->data, sd_src->data, sd_src->size);
@@ -27,9 +27,6 @@
 * various utility functions
 */

-#include "libavutil/ffversion.h"
-const char av_util_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
 unsigned avutil_version(void)
 {
    static int checks_done;
@@ -89,9 +89,6 @@ try to unroll inner for(x=0 ... loop to avoid these damn if(x ... checks
 #include "postprocess_internal.h"
 #include "libavutil/avstring.h"

-#include "libavutil/ffversion.h"
-const char postproc_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
 unsigned postproc_version(void)
 {
    av_assert0(LIBPOSTPROC_VERSION_MICRO >= 100);
@@ -76,12 +76,8 @@ static int process(
        AudioData *src, int src_size, int *consumed){
    size_t idone, odone;
    soxr_error_t error = soxr_set_error((soxr_t)c, soxr_set_num_channels((soxr_t)c, src->ch_count));
-    if (!error)
-        error = soxr_process((soxr_t)c, src->ch, (size_t)src_size,
-                             &idone, dst->ch, (size_t)dst_size, &odone);
-    else
-        idone = 0;
-
+    error = soxr_process((soxr_t)c, src->ch, (size_t)src_size,
+            &idone, dst->ch, (size_t)dst_size, &odone);
    *consumed = (int)idone;
    return error? -1 : odone;
 }
@@ -28,9 +28,6 @@

 #define ALIGN 32

-#include "libavutil/ffversion.h"
-const char swr_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
 unsigned swresample_version(void)
 {
    av_assert0(LIBSWRESAMPLE_VERSION_MICRO >= 100);
@@ -39,7 +39,7 @@

 #define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long

-#define YUVRGB_TABLE_HEADROOM 256
+#define YUVRGB_TABLE_HEADROOM 128

 #define MAX_FILTER_SIZE SWS_MAX_FILTER_SIZE
@@ -1 +1 @@
 .5.3
 .4.git