avcodec/dcadec: Check that the added xch channel isnt already there.

avcodec/hevc: clear filter_slice_edges() on allocation.

avcodec/h264: Clear delayed_pic on deallocation.

avcodec/hevc_ps: Check diff_cu_qp_delta_depth.

avcodec/h264: Check `*log2_weight_denom.

avcodec/indeo3: ensure offsets are non negative.

The full list of changes from 2.5 is provided below and in the Changelog file. This is another bug-fix release in the 2.5 release branch.

avcodec/hevc: Fix handling of skipped_bytes() reallocation failures.

configure: enable vsx together with altivec for ppc64el.

avfilter/vf_framepack: Check and update frame_rate.

avcodec/flac_parser: fix handling EOF if no headers are found.

avformat/utils: check for malloc failure.

rtpdec_h263_rfc2190: Clear the stored bits if discarding buffered data.

hevc: always clip luma_log2_weight_denom.

avformat/mpeg: do not count PES packets inside PES packets during probing.

avformat/rmdec: Check for overflow in ff_rm_read_mdpr_codecdata().

libavcodec/ppc/mpegvideoencdsp.c: fix stack smashing in pix_norm1_altivec() and pix_sum_altivec().

swscale/input: fix rgba64 alpha non native.

avcodec/ppc/idctdsp.c: POWER LE support in idct_add_altivec().

avformat/tta: fix crash with corrupted files.

avformat/mpc8: fix hang with fuzzed file.

avformat/mpc8: Use uint64_t in *_get_v() to avoid undefined behavior.

avcodec/mjpegdec: Check escape sequence validity.

avcodec/mjpegdec: Check number of components for JPEG-LS.

avcodec/mpegvideo_motion: Fix gmc chroma dimensions.

swscale/utils: Limit filter shifting so as not to read from prior the array.

avformat/thp: Check av_get_packet() for failure not only for partial output.

avcodec/h264_ps: More completely check the bit depths.

avcodec/h264: Be more strict on rejecting pps_id changes.

avcodec/h264: Be more strict on rejecting pps/sps changes.

avutil/opt: Fix types used to access AV_OPT_TYPE_PIXEL_FMT.

avutil/opt: Fix type used to access AV_OPT_TYPE_SAMPLE_FMT.avcodec/h264_slice: Do not change frame_num after the first slice.avcodec/h264_slice: Check picture structure before setting the related fields.avcodec/h264_slice: ignore SAR changes in slices after the first.avcodec/mjpegdec: Skip blocks which are outside the visible area.avcodec/arm/videodsp_armv5te: Fix linking failure with shared libs.

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