libhevc-mirror/decoder
Narayan Kalaburgi 268af95978
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libhevcdec: Add dynamic bitstream buffer reallocation for edge cases
This commit introduces on-the-fly dynamic reallocation to safely decode
extreme edge-case bitstreams (e.g., random noise causing CABAC inflation)
that exceed standard MaxCPB size constraints.

It adds a dedicated `ihevcd_reallocate_dynamic_bitstream_buf` setup
function in `ihevcd_api.c`. If an incoming bitstream exceeds the currently
allocated internal buffer during parsing (`ihevcd_decode.c`), the decoder
will cleanly reallocate the buffer. This prevents truncation failures and
memory corruption for highly incompressible streams.
2026-08-17 18:50:13 +00:00
..
arm Cleanup few more unnecessary changes from HBD path 2026-08-09 05:13:29 +00:00
arm64 Cleanup few more unnecessary changes from HBD path 2026-08-09 05:13:29 +00:00
riscv64 Include ihevcd_defs.h and ihevcd_structs.h in risc function selector 2026-06-22 20:01:44 -07:00
x86 Cleanup few more unnecessary changes from HBD path 2026-08-09 05:13:29 +00:00
ihevcd_api.c libhevcdec: Add dynamic bitstream buffer reallocation for edge cases 2026-08-17 18:50:13 +00:00
ihevcd_bitstream.c use unsigned word type in ihevcd_bits_seek to avoid signed shift ub 2026-07-06 21:28:17 -07:00
ihevcd_bitstream.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_boundary_strength.c libhevcdec: Cast pu1_pic_qp to WORD8 * in boundary strength calculation 2026-08-14 01:13:07 +00:00
ihevcd_boundary_strength.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_cabac.c hevcdec: add support for persistent rice adaptation flag 2026-03-16 10:03:26 -07:00
ihevcd_cabac.h hevcdec: add support for persistent rice adaptation flag 2026-03-16 10:03:26 -07:00
ihevcd_common_tables.c hevcdec: update lib for chroma format idc 422 2026-03-04 15:39:55 -08:00
ihevcd_common_tables.h hevcdec: update lib for chroma format idc 422 2026-03-04 15:39:55 -08:00
ihevcd_cxa.h Move HEVC_DEC_PROFILE_T to ihevcd_structs.h 2026-08-09 23:47:45 +00:00
ihevcd_deblk.c decoder: Clean up HBD function pointers and rename to match convention 2026-08-09 23:47:45 +00:00
ihevcd_deblk.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_debug.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_decode.c libhevcdec: Add dynamic bitstream buffer reallocation for edge cases 2026-08-17 18:50:13 +00:00
ihevcd_decode.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_defs.h Remove few more unnecessary changes from HBD path 2026-08-09 23:47:45 +00:00
ihevcd_error.h Remove few more unnecessary changes from HBD path 2026-08-09 23:47:45 +00:00
ihevcd_fmt_conv.c libhevc: Implement 10-bit 444 sp to p Output format conversion 2026-08-14 21:34:32 +00:00
ihevcd_fmt_conv.h Few minor cleanups in headers to minimize the differences with main branch 2026-08-12 05:24:06 +00:00
ihevcd_func_types.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_function_selector.h libhevcdec: Fix missing chroma ref filtering function call for HBD 444 2026-08-17 18:50:13 +00:00
ihevcd_function_selector_generic.c libhevcdec: Fix missing chroma ref filtering function call for HBD 444 2026-08-17 18:50:13 +00:00
ihevcd_get_mv.c fix oob top-left pu-map read in ihevcd_get_mv_ctb 2026-07-14 07:25:34 -07:00
ihevcd_get_mv.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_ilf_padding.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_inter_pred.c decoder: Clean up HBD function pointers and rename to match convention 2026-08-09 23:47:45 +00:00
ihevcd_inter_pred.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_intra_pred_mode_prediction.c libhevc: Direct memcpy and memset calls to enable _FORTIFY_SOURCE 2026-06-18 06:44:56 -07:00
ihevcd_intra_pred_mode_prediction.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_iquant_itrans_recon_ctb.c libhevcdec: Fix missing chroma ref filtering function call for HBD 444 2026-08-17 18:50:13 +00:00
ihevcd_iquant_itrans_recon_ctb.h Remove few more unnecessary changes from HBD path 2026-08-09 23:47:45 +00:00
ihevcd_itrans_recon_dc.c Remove few more unnecessary changes from HBD path 2026-08-09 23:47:45 +00:00
ihevcd_itrans_recon_dc.h Few minor cleanups in headers to minimize the differences with main branch 2026-08-12 05:24:06 +00:00
ihevcd_ittiam_logo.h Clean up HBD support before split 2026-08-07 17:25:44 +00:00
ihevcd_job_queue.c Source files clean up 2014-07-12 15:09:24 -07:00
ihevcd_job_queue.h Source files clean up 2014-07-12 15:09:24 -07:00
ihevcd_mv_merge.c Reduced memory requirements 2015-10-09 11:44:26 -07:00
ihevcd_mv_merge.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_mv_pred.c Source files clean up 2014-07-12 15:09:24 -07:00
ihevcd_mv_pred.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_nal.c libhevc: move SEI related code under a macro 2024-05-07 10:07:49 -07:00
ihevcd_nal.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_parse_headers.c Remove dead dependency on decoder e_profile in hbd branch 2026-08-11 19:49:05 +00:00
ihevcd_parse_headers.h libhevc: move SEI related code under a macro 2024-05-07 10:07:49 -07:00
ihevcd_parse_residual.c Cleanup few more unnecessary changes from HBD path 2026-08-09 05:13:29 +00:00
ihevcd_parse_residual.h Remove few more unnecessary changes from HBD path 2026-08-09 23:47:45 +00:00
ihevcd_parse_slice.c Added support for 420 10-bit decoding. 2026-08-07 03:21:32 +00:00
ihevcd_parse_slice.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_parse_slice_header.c Cleanup few more unnecessary changes from HBD path 2026-08-09 05:13:29 +00:00
ihevcd_parse_slice_header.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_process_slice.c Remove SAO wrapper 2026-08-09 23:47:45 +00:00
ihevcd_process_slice.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_profile.h Source files clean up 2014-07-12 15:09:24 -07:00
ihevcd_ref_list.c Decoder: Fix integer-overflow sanitizer issues 2019-01-09 13:16:37 -08:00
ihevcd_ref_list.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_sao.c Remove SAO wrapper 2026-08-09 23:47:45 +00:00
ihevcd_sao.h Remove SAO wrapper 2026-08-09 23:47:45 +00:00
ihevcd_statistics.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_structs.h libhevc: Implement HBD 444 chroma inv txfm & Recon 2026-08-14 21:34:32 +00:00
ihevcd_trace.h Initial Version of HEVC decoder 2014-05-21 18:14:55 -07:00
ihevcd_utils.c Remove SAO wrapper 2026-08-09 23:47:45 +00:00
ihevcd_utils.h libhevcdec: disable simd optimizations during 422/444 decoding. 2026-05-07 07:00:35 -07:00
ihevcd_version.c Clean up HBD support before split 2026-08-07 17:25:44 +00:00
libhevcdec.cmake decoder: Clean up HBD function pointers and rename to match convention 2026-08-09 23:47:45 +00:00