Changes in 7.0

DXV DXT1 encoder
LEAD MCMP decoder
EVC decoding using external library libxevd
EVC encoding using external library libxeve
QOA decoder and demuxer
aap filter
demuxing, decoding, filtering, encoding, and muxing in the ffmpeg CLI now all run in parallel
enable gdigrab device to grab a window using the hwnd=HANDLER syntax
IAMF raw demuxer and muxer
D3D12VA hardware accelerated H264, HEVC, VP9, AV1, MPEG-2 and VC1 decoding
tiltandshift filter
qrencode filter and qrencodesrc source
quirc filter
lavu/eval: introduce randomi() function in expressions
VVC decoder (experimental)
fsync filter
Raw Captions with Time (RCWT) closed caption muxer
ffmpeg CLI -bsf option may now be used for input as well as output
ffmpeg CLI options may now be used as -/opt <path>, which is equivalent to -opt <contents of file <path>>
showinfo bitstream filter
a C11-compliant compiler is now required; note that this requirement will be bumped to C17 in the near future, so consider updating your build environment if it lacks C17 support
Change the default bitrate control method from VBR to CQP for QSV encoders.
removed deprecated ffmpeg CLI options -psnr and -map_channel
DVD-Video demuxer, powered by libdvdnav and libdvdread
ffprobe -show_stream_groups option
ffprobe (with -export_side_data film_grain) now prints film grain metadata
AEA muxer
ffmpeg CLI loopback decoders
Support PacketTypeMetadata of PacketType in enhanced flv format
ffplay with hwaccel decoding support (depends on vulkan renderer via libplacebo)
dnn filter libtorch backend
Android content URIs protocol
AOMedia Film Grain Synthesis 1 (AFGS1)
RISC-V optimizations for AAC, FLAC, JPEG-2000, LPC, RV4.0, SVQ, VC1, VP8, and more
Loongarch optimizations for HEVC decoding
Important AArch64 optimizations for HEVC
IAMF support inside MP4/ISOBMFF
Support for HEIF/AVIF still images and tiled still images
Dolby Vision profile 10 support in AV1
Support for Ambient Viewing Environment metadata in MP4/ISOBMFF
HDR10 metadata passthrough when encoding with libx264, libx265, and libsvtav1

Changes in 7.0.1

lavc/flacdsp: do not assume maximum R-V VL
avformat/flacdec: Reorder allocations to avoid leak on error
avcodec/adts_parser: Don't presume buffer to be padded
avformat/movenc: Check av_malloc()
avcodec/vp8: Return error on error
avformat/mov: store sample_sizes as unsigned ints
avformat/vvc: fix parsing sps_subpic_id
avformat/vvc: initialize some ptl flags
avcodec/mscc & mwsc: Check loop counts before use
avcodec/mpegvideo_enc: Fix potential overflow in RD
avcodec/mpeg4videodec: assert impossible wrap points
avcodec/mpeg12dec: Use 64bit in bit computation
avcodec/vqcdec: Check init_get_bits8() for failure
avcodec/vvc/dec: Check init_get_bits8() for failure
avcodec/vble: Check av_image_get_buffer_size() for failure
avcodec/vp3: Replace check by assert
avcodec/vp8: Forward return of ff_vpx_init_range_decoder()
avcodec/jpeg2000dec: remove ST=3 case
avcodec/qsvdec: Check av_image_get_buffer_size() for failure
avcodec/exr: Fix preview overflow
avcodec/decode: decode_simple_internal() only implements audio and video
avcodec/fmvc: remove dead assignment
avcodec/h2645_sei: Remove dead checks
avcodec/h264_slice: Remove dead sps check
avcodec/lpc: copy levenson coeffs only when they have been computed
avutil/tests/base64: Check with too short output array
libavutil/base64: Try not to write over the array end
avcodec/cbs_av1: Avoid shift overflow
fftools/ffplay: Check return of swr_alloc_set_opts2()
tools/opt_common: Check for malloc failure
doc/examples/demux_decode: Simplify loop
avformat/concatdec: Check file
avcodec/mpegvideo_enc: Fix 1 line and one column images
avcodec/amrwbdec: assert mode to be valid in decode_fixed_vector()
avcodec/wavarc: fix integer overflow in decode_5elp() block type 2
swscale/output: Fix integer overflow in yuv2rgba64_full_1_c_template()
swscale/output: Fix integer overflow in yuv2rgba64_1_c_template
avcodec/av1dec: Change bit_depth to int
avcodec/av1dec: bit_depth cannot be another values than 8,10,12
avcodec/avs3_parser: assert the return value of init_get_bits()
avcodec/avs2_parser: Assert init_get_bits8() success with const size 15
avfilter/avfiltergraph: return value of ff_request_frame() is unused
avformat/mxfdec: Check body_offset
avformat/kvag: Check sample_rate
avcodec/atrac9dec: Check init_get_bits8() for failure
avcodec/ac3_parser: Check init_get_bits8() for failure
avcodec/pngdec: Check last AVFrame before deref
avcodec/hevcdec: Check ref frame
doc/examples/qsv_transcode: Initialize pointer before free
doc/examples/qsv_transcode: Simplify str_to_dict() loop
doc/examples/vaapi_transcode: Simplify loop
doc/examples/qsv_transcode: Simplify loop
avcodec/cbs_h2645: Check NAL space
avfilter/vf_thumbnail_cuda: Set ret before checking it
avfilter/signature_lookup: Dont copy uninitialized stuff around
avfilter/signature_lookup: Fix 2 differences to the refernce SW
avcodec/x86/vp3dsp_init: Set correct function pointer, fix crash
avformat/mp3dec: change bogus error message if read_header encounters EOF
avformat/mp3dec: simplify inner frame size check in mp3_read_header
avformat/mp3dec: only call ffio_ensure_seekback once
avcodec/cbs_h266: read vps_ptl_max_tid before using it
avcodec/cbs_h266: fix sh_collocated_from_l0_flag and sh_collocated_ref_idx infer
avformat/vvc: fix parsing some early VPS bitstream values
avformat/vvc: fix writing general_constraint_info bytes
avutil/ppc/cpu: Also use the machdep.altivec sysctl on NetBSD
lavd/v4l2: Use proper field type for second parameter of ioctl() with BSD's
vulkan_av1: Fix force_integer_mv value
vaapi_av1: Fix force_integer_mv value
av1dec: Add force_integer_mv derived field for decoder use
avutil/iamf: fix offsets for mix_gain options
avformat/iamfdec: check nb_streams in header read
avformat/mov: free the infe allocated item data on failure
avformat/iamf_writer: reject duplicated stream ids in a stream group
avformat/mov: don't read key_size bytes twice in the keys atom
avformat/mov: take into account the first eight bytes in the keys atom
avformat/mov: fix the check for the heif item parsing loop
avutil/iamf: fix mix_gain_class name
av1dec: Fix RefFrameSignBias calculation
avcodec/codec_par: always clear extradata_size in avcodec_parameters_to_context()
avcodec/mediacodecenc: Fix return empty packet when bsf is used
avcodec/hevcdec: Fix precedence, bogus film grain warning
avcodec/hevcdec: fix segfault on invalid film grain metadata
lavc/vvc: Skip enhancement layer NAL units
avformat/mov: ignore old infe box versions
vulkan_av1: add workaround for NVIDIA drivers tested on broken CTS
lavc/vulkan_av1: Use av1dec reference order hint information
lavc/av1: Record reference ordering information for each frame
doc/encoders: add missing libxvid option
doc/encoders: remove non-existent flag
fate/ffmpeg: Avoid dependency on samples
avcodec/wavpack: Remove always-false check
avcodec/wavpack: Fix leak and segfault on reallocation error
avcodec/lossless_videoencdsp: Don't presume alignment in diff_bytes
avcodec/ppc/h264dsp: Fix left shifts of negative numbers

Changes in 7.0.2

avcodec/snow: Fix off by 1 error in run_buffer
avcodec/utils: apply the same alignment to YUV410 as we do to YUV420 for snow
avformat/iamf_parse: Check for 0 samples
swscale: [loongarch] Fix checkasm-sw_yuv2rgb failure.
avcodec/aacps_tablegen_template: don't redefine CONFIG_HARDCODED_TABLES
avutil/hwcontext_vaapi: use the correct type for VASurfaceAttribExternalBuffers.buffers
avcodec/pcm-bluray/dvd: Use correct pointer types on BE
avcodec/pngenc: fix sBIT writing for indexed-color PNGs
avcodec/pngdec: use 8-bit sBIT cap for indexed PNGs per spec
avformat/mov: check that child boxes of trak are only present inside it
avformat/mov: check that sample and chunk count is 1 for HEIF
avcodec/videotoolboxenc: Fix bitrate doesn't work as expected
avdevice/dshow: Don't skip audio devices if no video device is present
avcodec/hdrenc: Allocate more space
avcodec/cfhdenc: Height of 16 is not supported
avcodec/cfhdenc: Allocate more space
avcodec/osq: fix integer overflow when applying factor
avcodec/osq: avoid using too large numbers for shifts and integers in update_residue_parameter()
avcodec/vaapi_encode: Check hwctx
avcodec/proresdec: Consider negative bits left
avcodec/alsdec: Clear shift_value
avcodec/hevc/hevcdec: Do not allow slices to depend on failed slices
avformat/mov: add an EOF check in IPRP
avfilter/vf_xfade: Check ff_inlink_consume_frame() for failure
avutil/slicethread: Check pthread_*_init() for failure
avutil/frame: Check log2_crop_align
avutil/buffer: Check ff_mutex_init() for failure
avformat/xmv: Check this_packet_size
avformat/webpenc: Check filesize in trailer
avformat/ty: rec_size seems to only need 32bit
avformat/tty: Check avio_size()
avformat/siff: Basic pkt_size check
avformat/sauce: Check avio_size() for failure
avformat/sapdec: Check ffurl_get_file_handle() for error
avformat/nsvdec: Check asize for PCM
avformat/mp3dec: Check header_filesize
avformat/mp3dec; Check for avio_size() failure
avformat/mov: Use 64bit for str_size
avformat/mm: Check length
avformat/hnm: Check *chunk_size
avformat/hlsenc: Check ret
avformat/bintext: Check avio_size() return
avformat/asfdec_o: Check size of index object
avfilter/vf_scale: Check ff_scale_adjust_dimensions() for failure
avfilter/scale_eval: Use 64bit, check values in ff_scale_adjust_dimensions()
avfilter/vf_lut3d: Check av_scanf()
avfilter/vf_elbg: Use unsigned for shifting into the top bit
avfilter/vf_premultiply: Use AV_PIX_MAX_PLANES
avfilter/vf_deshake_opencl: Ensure that the first iteration initializes the best variables
avformat/iamf_parse: Check for negative sample sizes
swscale/output: Fix integer overflows in yuv2rgba64_X_c_template
avformat/mxfdec: Reorder elements of expression in bisect loop
avutil/timecode: Use a 64bit framenum internally
avcodec/pnmdec: Use 64bit for input size check
avformat/mov: Check extradata in mov_read_iacb()
avcodec/mpeg12enc: Use av_rescale() in vbv_buffer_size computation
avcodec/utvideoenc: Use unsigned shift to build flags
avcodec/j2kenc: Merge dwt_norm into lambda
avcodec/vc2enc: Fix overflows with storing large values
avcodec/mpegvideo_enc: Do not duplicate pictures on shifting
avdevice/dshow_capture: Fix error handling in ff_dshow_##prefix##_Create()
avcodec/tiff: Check value on positive signed targets
avfilter/vf_convolution_opencl: Assert that the filter name is one of the filters
avfilter/vf_bm3d: Dont round MSE2SSE to an integer
avdevice/dshow: Remove NULL check on pin
avdevice/dshow: check ff_dshow_pin_ConnectionMediaType() for failure
avdevice/dshow: Check device_filter_unique_name before use
avdevice/dshow: Cleanup also on av_log case
avdevice/dshow_filter: Use wcscpy_s()
avcodec/flac_parser: Assert that we do not overrun the link_penalty array
avcodec/osq: avoid signed overflow in downsample path
avcodec/pixlet: Simplify pfx computation
avcodec/motion_est: Fix score squaring overflow
avcodec/mlpenc: Use 64 for ml, mr
avcodec/loco: Check loco_get_rice() for failure
avcodec/loco: check get_ur_golomb_jpegls() for failure
avcodec/leaddec: Check init_get_bits8() for failure
avcodec/imm4: check cbphi for error
avcodec/iff: Use signed count
avcodec/golomb: Assert that k is in the supported range for get_ur/sr_golomb()
avcodec/golomb: Document return for get_ur_golomb_jpegls() and get_sr_golomb_flac()
avcodec/dxv: Fix type in get_opcodes()
avcodec/cri: Check length
avcodec/xsubdec: Check parse_timecode()
avutil/imgutils: av_image_check_size2() ensure width and height fit in 32bit
avfilter/vf_tiltandshift: Free dst on error
doc/examples/mux: remove nop
avcodec/proresenc_kostya: use unsigned alpha for rotation
avformat/rtpenc_rfc4175: Use 64bit in computation if copy_offset
avformat/rtmpproto: Use AV_DICT_MATCH_CASE instead of litteral number
avformat/rtmppkt: Simplify and deobfuscate amf_tag_skip() slightly
avformat/rmdec: use 64bit for audio_framesize checks
avutil/wchar_filename: Correct sizeof
avutil/hwcontext_d3d11va: correct sizeof IDirect3DSurface9
avutil/hwcontext_d3d11va: Free AVD3D11FrameDescriptor on error
avutil/hwcontext_d3d11va: correct sizeof AVD3D11FrameDescriptor
avcodec/vvc/refs: Use unsigned mask
doc/examples/vaapi_encode: Try to check fwrite() for failure
avformat/usmdec: Initialize value
avformat/tls_schannel: Initialize ret
avformat/subfile: Assert that whence is a known case
avformat/subfile: Merge if into switch()
avformat/rtsp: Check that lower transport is handled in one of the if()
avformat/rtsp: initialize reply1
avformat/rtsp: use < 0 for error check
avformat/rtpenc_vc2hq: Check sizes
avfilter/af_aderivative: Free out on error
swscale/swscale: Use ptrdiff_t for linesize computations
avfilter/af_amerge: Cleanup on av_channel_layout_copy() failure
avfilter/af_afir: Assert format
avfilter/af_afftdn: Assert format
avfilter/af_pan: check nb_output_channels before use
cbs_av1: Reject thirty-two zero bits in uvlc code
avfilter/af_mcompand: compute half frequency in double
avfilter/af_channelsplit: Assert that av_channel_layout_channel_from_index() succeeds
avfilter/af_aresample: Cleanup on av_channel_layout_copy() failure
tools/coverity: Phase 1 study of anti-halicogenic for coverity av_rescale()
avfilter/vf_avgblur: Check plane instead of AVFrame
avfilter/drawutils: Fix depthb computation
avfilter/avf_showcwt: Check av_parse_video_rate() for failure
avformat/rdt: Check pkt_len
avformat/mpeg: Check len in mpegps_probe()
avformat/mxfenc: resurrects the error print
avdevice/dshow: Check ICaptureGraphBuilder2_SetFiltergraph() for failure
avcodec/mfenc: check IMFSample_ConvertToContiguousBuffer() for failure
avcodec/vc1_loopfilter: Factor duplicate code in vc1_b_h_intfi_loop_filter()
avcodec/vvc/ctu: Remove dead ret check
avcodec/vvc/dec: Remove constant eos_at_start
avformat/img2dec: assert no pipe on ts_from_file
avcodec/cbs_jpeg: Try to move the read entity to one side in a test
fftools/ffplay: Check vulkan_params
fftools/ffmpeg_enc: Initialize Decoder
fftools/ffmpeg_enc: Initialize fd
fftools/ffmpeg_enc: simplify opaque_ref check
avformat/mov: Check edit list for overflow
fftools/ffmpeg: Check read() for failure
avcodec/vvc/dec: Check ff_init_cabac_decoder() for failure
MAINTAINERS: Add Timo Rothenpieler to server admins
swscale/output: Avoid undefined overflow in yuv2rgb_write_full()
swscale/output: alpha can become negative after scaling, use multiply
avcodec/targaenc: Allocate space for the palette
avcodec/r210enc: Use av_rescale for bitrate
avcodec/jfdctint_template: Fewer integer anomalies
avcodec/snowenc: MV limits due to mv_penalty table size
tools/target_dec_fuzzer: Adjust threshold for MV30
tools/target_dec_fuzzer: Adjust threshold for jpeg2000
avformat/mxfdec: Check container_ul->desc before use
avcodec/libvpxenc: Cleanup on error
MAINTAINERS: Update the entries for the release maintainer for FFmpeg
doc/developer: Provide information about git send-email and gmail
avfilter/vf_rotate: Check ff_draw_init2() return value
avformat/mov: Use int64_t in intermediate for corrected_dts
avformat/mov: Use 64bit in intermediate for current_dts
avformat/matroskadec: Assert that num_levels is non negative
avformat/libzmq: Check av_strstart()
avformat/img2dec: Little JFIF / Exif cleanup
avformat/img2dec: Move DQT after unrelated if()
avformat/imfdec: Simplify get_next_track_with_minimum_timestamp()
avdevice/xcbgrab: Check sscanf() return
fftools/cmdutils: Add protective () to FLAGS
avformat/sdp: Check before appending ","
avcodec/libx264: Check init_get_bits8() return code
avcodec/ilbcdec: Remove dead code
avcodec/vp8: Check cond init
avcodec/vp8: Check mutex init
avcodec/proresenc_anatoliy: Assert that AV_PROFILE_UNKNOWN is replaced
avcodec/pcm-dvdenc: 64bit pkt-size
avcodec/notchlc: Check init_get_bits8() for failure
avcodec/tests/dct: Use 64bit in intermediate for error computation
avcodec/scpr3: Check add_dec() for failure
avcodec/rv34: assert that size is not 0 in rv34_gen_vlc_ext()
avcodec/wavpackenc: Use unsigned for potential 31bit shift
avcodec/vvc/mvs: Initialize mvf
avcodec/tests/jpeg2000dwt: Use 64bit in comparission
avcodec/tests/jpeg2000dwt: Use 64bit in err2 computation
avformat/fwse: Remove always false expression
avcodec/sga: Make it clear that the return is intentionally not checked
avformat/asfdec_f: Use 64bit for preroll computation
avformat/argo_asf: Use 64bit in offset intermediate
avformat/ape: Use 64bit for final frame size
avformat/ac4dec: Check remaining space in ac4_probe()
avdevice/pulse_audio_enc: Use av_rescale() to avoid integer overflow
avcodec/vlc: Cleanup on multi table alloc failure in ff_vlc_init_multi_from_lengths()
avcodec/tiff: Assert init_get_bits8() success in unpack_gray()
avcodec/tiff: Assert init_get_bits8() success in horizontal_fill()
tools/decode_simple: Check avcodec_send_packet() for errors on flushing
swscale/yuv2rgb: Use 64bit for brightness computation
swscale/x86/swscale: use a clearer name for INPUT_PLANER_RGB_A_FUNC_CASE
avutil/tests/opt: Check av_set_options_string() for failure
avutil/tests/dict: Check av_dict_set() before get for failure
avdevice/dshow: fix badly indented line
avformat/demux: resurrect dead stores
avcodec/tests/bitstream_template: Assert bits_init8() return
tools/enc_recon_frame_test: Assert that av_image_get_linesize() succeeds
avformat/iamf_writer: disallow Opus extradata with mapping family other than 0
avformat/iamf_parse: sanitize audio_roll_distance values
avformat/iamf: byteswap values in OpusHeader
avformat/iamf: rename Codec Config seek_preroll to audio_roll_distance
avformat/iamf_writer: fix coded audio_roll_distance values
avformat/iamf_writer: fix PCM endian-ness flag
avformat/movenc: fix channel count and samplerate fields for IAMF tracks
avformat/iamf_parse: keep substream count consistent
avformat/iamf_parse: add missing padding to AAC extradata
avformat/iamf_parse: 0 layers are not allowed
avformat/iamf_parse: consider nb_substreams when accessing substreams array
avformat/iamf_parse: Remove dead case
avcodec/png: more informative error message for invalid sBIT size
avcodec/pngdec: avoid erroring with sBIT on indexed-color images
avfilter/vf_tiltandshift: fix buffer offset for yuv422p input
avutil/timestamp: avoid possible FPE when 0 is passed to av_ts_make_time_string2()
avformat/mov: add more checks for infe atom size
avformat/mov: check for EOF inside the infe list parsing loop
avformat/mov: check extent_offset calculation for overflow
avformat/mov: check that iloc offset values fit on an int64_t
avcodec/pngenc: fix mDCv typo
avcodec/pngdec: fix mDCv typo
avcodec/nvenc: fix segfault in intra-only mode
avdevice/avfoundation: add external video devices
aarch64: Add OpenBSD runtime detection of dotprod and i8mm using sysctl
fftools/ffplay_renderer: use correct NULL value for Vulkan type
qsv: Initialize impl_value
avutil/hwcontext_qsv: fix GCC 14.1 warnings
avcodec/mediacodecenc: workaround the alignment requirement for H.265
avcodec/mediacodecenc: workaround the alignment requirement only for H.264
lavc/lpc: fix off-by-one in R-V V compute_autocorr
lavc/vp9: reset segmentation fields when segmentation isn't enabled
configure: enable ffnvcodec, nvenc, nvdec for FreeBSD
lavc/sbrdsp: fix potential overflow in noise table