| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/mem.h" |
| #include "libavutil/refstruct.h" |
| #include "bytestream.h" |
| #include "cbs.h" |
| #include "cbs_internal.h" |
| #include "cbs_h2645.h" |
| #include "cbs_h265.h" |
| #include "cbs_sei.h" |
| #include "get_bits.h" |
| |
| #define HEADER(name) do { \ |
| ff_cbs_trace_header(ctx, name); \ |
| } while (0) |
| |
| #define CHECK(call) do { \ |
| err = (call); \ |
| if (err < 0) \ |
| return err; \ |
| } while (0) |
| |
| #define FUNC_NAME2(rw, codec, name) cbs_ ## codec ## _ ## rw ## _ ## name |
| #define FUNC_NAME1(rw, codec, name) FUNC_NAME2(rw, codec, name) |
| #define FUNC_H265(name) FUNC_NAME1(READWRITE, h265, name) |
| #define FUNC_NAME2_EXPORT(rw, codec, name) ff_cbs_ ## codec ## _ ## rw ## _ ## name |
| #define FUNC_NAME1_EXPORT(rw, codec, name) FUNC_NAME2_EXPORT(rw, codec, name) |
| #define FUNC_SEI(name) FUNC_NAME1_EXPORT(READWRITE, sei, name) |
| |
| #define SEI_FUNC(name, args) \ |
| static int FUNC_H265(name) args; \ |
| static int FUNC_H265(name ## _internal)(CodedBitstreamContext *ctx, \ |
| RWContext *rw, void *cur, \ |
| SEIMessageState *state) \ |
| { \ |
| return FUNC_H265(name)(ctx, rw, cur, state); \ |
| } \ |
| static int FUNC_H265(name) args |
| |
| #define SUBSCRIPTS(subs, ...) (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL) |
| |
| #define u(width, name, range_min, range_max) \ |
| xu(width, name, current->name, range_min, range_max, 0, ) |
| #define flag(name) ub(1, name) |
| #define ue(name, range_min, range_max) \ |
| xue(name, current->name, range_min, range_max, 0, ) |
| #define i(width, name, range_min, range_max) \ |
| xi(width, name, current->name, range_min, range_max, 0, ) |
| #define ib(width, name) \ |
| xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), 0, ) |
| #define se(name, range_min, range_max) \ |
| xse(name, current->name, range_min, range_max, 0, ) |
| |
| #define us(width, name, range_min, range_max, subs, ...) \ |
| xu(width, name, current->name, range_min, range_max, subs, __VA_ARGS__) |
| #define ubs(width, name, subs, ...) \ |
| xu(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__) |
| #define flags(name, subs, ...) \ |
| xu(1, name, current->name, 0, 1, subs, __VA_ARGS__) |
| #define ues(name, range_min, range_max, subs, ...) \ |
| xue(name, current->name, range_min, range_max, subs, __VA_ARGS__) |
| #define is(width, name, range_min, range_max, subs, ...) \ |
| xi(width, name, current->name, range_min, range_max, subs, __VA_ARGS__) |
| #define ibs(width, name, subs, ...) \ |
| xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), subs, __VA_ARGS__) |
| #define ses(name, range_min, range_max, subs, ...) \ |
| xse(name, current->name, range_min, range_max, subs, __VA_ARGS__) |
| |
| #define fixed(width, name, value) do { \ |
| av_unused uint32_t fixed_value = value; \ |
| xu(width, name, fixed_value, value, value, 0, ); \ |
| } while (0) |
| |
| |
| #define READ |
| #define READWRITE read |
| #define RWContext GetBitContext |
| |
| #define ub(width, name) do { \ |
| uint32_t value; \ |
| CHECK(ff_cbs_read_simple_unsigned(ctx, rw, width, #name, \ |
| &value)); \ |
| current->name = value; \ |
| } while (0) |
| #define xu(width, name, var, range_min, range_max, subs, ...) do { \ |
| uint32_t value; \ |
| CHECK(ff_cbs_read_unsigned(ctx, rw, width, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| &value, range_min, range_max)); \ |
| var = value; \ |
| } while (0) |
| #define xue(name, var, range_min, range_max, subs, ...) do { \ |
| uint32_t value; \ |
| CHECK(ff_cbs_read_ue_golomb(ctx, rw, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| &value, range_min, range_max)); \ |
| var = value; \ |
| } while (0) |
| #define xi(width, name, var, range_min, range_max, subs, ...) do { \ |
| int32_t value; \ |
| CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| &value, range_min, range_max)); \ |
| var = value; \ |
| } while (0) |
| #define xse(name, var, range_min, range_max, subs, ...) do { \ |
| int32_t value; \ |
| CHECK(ff_cbs_read_se_golomb(ctx, rw, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| &value, range_min, range_max)); \ |
| var = value; \ |
| } while (0) |
| |
| |
| #define infer(name, value) do { \ |
| current->name = value; \ |
| } while (0) |
| |
| #define more_rbsp_data(var) ((var) = ff_cbs_h2645_read_more_rbsp_data(rw)) |
| |
| #define bit_position(rw) (get_bits_count(rw)) |
| #define byte_alignment(rw) (get_bits_count(rw) % 8) |
| |
| #define allocate(name, size) do { \ |
| name ## _ref = av_buffer_allocz(size + \ |
| AV_INPUT_BUFFER_PADDING_SIZE); \ |
| if (!name ## _ref) \ |
| return AVERROR(ENOMEM); \ |
| name = name ## _ref->data; \ |
| } while (0) |
| |
| #define FUNC(name) FUNC_H265(name) |
| #include "cbs_h265_syntax_template.c" |
| #undef FUNC |
| |
| |
| #undef READ |
| #undef READWRITE |
| #undef RWContext |
| #undef ub |
| #undef xu |
| #undef xi |
| #undef xue |
| #undef xse |
| #undef infer |
| #undef more_rbsp_data |
| #undef bit_position |
| #undef byte_alignment |
| #undef allocate |
| #undef allocate_struct |
| |
| |
| #define WRITE |
| #define READWRITE write |
| #define RWContext PutBitContext |
| |
| #define ub(width, name) do { \ |
| uint32_t value = current->name; \ |
| CHECK(ff_cbs_write_simple_unsigned(ctx, rw, width, #name, \ |
| value)); \ |
| } while (0) |
| #define xu(width, name, var, range_min, range_max, subs, ...) do { \ |
| uint32_t value = var; \ |
| CHECK(ff_cbs_write_unsigned(ctx, rw, width, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| value, range_min, range_max)); \ |
| } while (0) |
| #define xue(name, var, range_min, range_max, subs, ...) do { \ |
| uint32_t value = var; \ |
| CHECK(ff_cbs_write_ue_golomb(ctx, rw, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| value, range_min, range_max)); \ |
| } while (0) |
| #define xi(width, name, var, range_min, range_max, subs, ...) do { \ |
| int32_t value = var; \ |
| CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| value, range_min, range_max)); \ |
| } while (0) |
| #define xse(name, var, range_min, range_max, subs, ...) do { \ |
| int32_t value = var; \ |
| CHECK(ff_cbs_write_se_golomb(ctx, rw, #name, \ |
| SUBSCRIPTS(subs, __VA_ARGS__), \ |
| value, range_min, range_max)); \ |
| } while (0) |
| |
| #define infer(name, value) do { \ |
| if (current->name != (value)) { \ |
| av_log(ctx->log_ctx, AV_LOG_ERROR, \ |
| "%s does not match inferred value: " \ |
| "%"PRId64", but should be %"PRId64".\n", \ |
| #name, (int64_t)current->name, (int64_t)(value)); \ |
| return AVERROR_INVALIDDATA; \ |
| } \ |
| } while (0) |
| |
| #define more_rbsp_data(var) (var) |
| |
| #define bit_position(rw) (put_bits_count(rw)) |
| #define byte_alignment(rw) (put_bits_count(rw) % 8) |
| |
| #define allocate(name, size) do { \ |
| if (!name) { \ |
| av_log(ctx->log_ctx, AV_LOG_ERROR, "%s must be set " \ |
| "for writing.\n", #name); \ |
| return AVERROR_INVALIDDATA; \ |
| } \ |
| } while (0) |
| |
| #define FUNC(name) FUNC_H265(name) |
| #include "cbs_h265_syntax_template.c" |
| #undef FUNC |
| |
| #undef WRITE |
| #undef READWRITE |
| #undef RWContext |
| #undef ub |
| #undef xu |
| #undef xi |
| #undef xue |
| #undef xse |
| #undef u |
| #undef i |
| #undef flag |
| #undef ue |
| #undef se |
| #undef infer |
| #undef more_rbsp_data |
| #undef bit_position |
| #undef byte_alignment |
| #undef allocate |
| |
| |
| |
| static int cbs_h265_split_fragment(CodedBitstreamContext *ctx, |
| CodedBitstreamFragment *frag, |
| int header) |
| { |
| enum AVCodecID codec_id = ctx->codec->codec_id; |
| CodedBitstreamH265Context *priv = ctx->priv_data; |
| CodedBitstreamH2645Context *h2645 = &priv->common; |
| GetByteContext gbc; |
| int err; |
| |
| av_assert0(frag->data && frag->nb_units == 0); |
| if (frag->data_size == 0) |
| return 0; |
| |
| if (header && frag->data[0]) { |
| // HVCC header. |
| size_t size, start, end; |
| int i, j, nb_arrays, nal_unit_type, nb_nals, version; |
| |
| h2645->mp4 = 1; |
| |
| bytestream2_init(&gbc, frag->data, frag->data_size); |
| |
| if (bytestream2_get_bytes_left(&gbc) < 23) |
| return AVERROR_INVALIDDATA; |
| |
| version = bytestream2_get_byte(&gbc); |
| if (version != 1) { |
| av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid HVCC header: " |
| "first byte %u.\n", version); |
| return AVERROR_INVALIDDATA; |
| } |
| |
| bytestream2_skip(&gbc, 20); |
| h2645->nal_length_size = (bytestream2_get_byte(&gbc) & 3) + 1; |
| |
| nb_arrays = bytestream2_get_byte(&gbc); |
| for (i = 0; i < nb_arrays; i++) { |
| nal_unit_type = bytestream2_get_byte(&gbc) & 0x3f; |
| nb_nals = bytestream2_get_be16(&gbc); |
| |
| start = bytestream2_tell(&gbc); |
| for (j = 0; j < nb_nals; j++) { |
| if (bytestream2_get_bytes_left(&gbc) < 2) |
| return AVERROR_INVALIDDATA; |
| size = bytestream2_get_be16(&gbc); |
| if (bytestream2_get_bytes_left(&gbc) < size) |
| return AVERROR_INVALIDDATA; |
| bytestream2_skip(&gbc, size); |
| } |
| end = bytestream2_tell(&gbc); |
| |
| err = ff_h2645_packet_split(&h2645->read_packet, |
| frag->data + start, end - start, |
| ctx->log_ctx, 2, AV_CODEC_ID_HEVC, |
| H2645_FLAG_IS_NALFF | H2645_FLAG_SMALL_PADDING | H2645_FLAG_USE_REF); |
| if (err < 0) { |
| av_log(ctx->log_ctx, AV_LOG_ERROR, "Failed to split " |
| "HVCC array %d (%d NAL units of type %d).\n", |
| i, nb_nals, nal_unit_type); |
| return err; |
| } |
| err = ff_cbs_h2645_fragment_add_nals(ctx, frag, &h2645->read_packet); |
| if (err < 0) |
| return err; |
| } |
| } else { |
| int flags = (H2645_FLAG_IS_NALFF * !!h2645->mp4) | H2645_FLAG_SMALL_PADDING | H2645_FLAG_USE_REF; |
| // Annex B, or later MP4 with already-known parameters. |
| |
| err = ff_h2645_packet_split(&h2645->read_packet, |
| frag->data, frag->data_size, |
| ctx->log_ctx, |
| h2645->nal_length_size, |
| codec_id, flags); |
| if (err < 0) |
| return err; |
| |
| err = ff_cbs_h2645_fragment_add_nals(ctx, frag, &h2645->read_packet); |
| if (err < 0) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| #define cbs_h2645_replace_ps(ps_name, ps_var, id_element) \ |
| static int cbs_h265_replace_ ## ps_var(CodedBitstreamContext *ctx, \ |
| CodedBitstreamUnit *unit) \ |
| { \ |
| CodedBitstreamH265Context *priv = ctx->priv_data; \ |
| H265Raw## ps_name *ps_var = unit->content; \ |
| unsigned int id = ps_var->id_element; \ |
| int err = ff_cbs_make_unit_refcounted(ctx, unit); \ |
| if (err < 0) \ |
| return err; \ |
| if (priv->ps_var[id] == priv->active_ ## ps_var) \ |
| priv->active_ ## ps_var = NULL ; \ |
| av_assert0(unit->content_ref); \ |
| av_refstruct_replace(&priv->ps_var[id], unit->content_ref); \ |
| return 0; \ |
| } |
| |
| cbs_h2645_replace_ps(VPS, vps, vps_video_parameter_set_id) |
| cbs_h2645_replace_ps(SPS, sps, sps_seq_parameter_set_id) |
| cbs_h2645_replace_ps(PPS, pps, pps_pic_parameter_set_id) |
| |
| static int cbs_h265_read_nal_unit(CodedBitstreamContext *ctx, |
| CodedBitstreamUnit *unit) |
| { |
| GetBitContext gbc; |
| int err; |
| |
| err = init_get_bits(&gbc, unit->data, 8 * unit->data_size); |
| if (err < 0) |
| return err; |
| |
| err = ff_cbs_alloc_unit_content(ctx, unit); |
| if (err < 0) |
| return err; |
| |
| switch (unit->type) { |
| case HEVC_NAL_VPS: |
| { |
| H265RawVPS *vps = unit->content; |
| |
| err = cbs_h265_read_vps(ctx, &gbc, vps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h265_replace_vps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| case HEVC_NAL_SPS: |
| { |
| H265RawSPS *sps = unit->content; |
| |
| err = cbs_h265_read_sps(ctx, &gbc, sps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h265_replace_sps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_PPS: |
| { |
| H265RawPPS *pps = unit->content; |
| |
| err = cbs_h265_read_pps(ctx, &gbc, pps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h265_replace_pps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_TRAIL_N: |
| case HEVC_NAL_TRAIL_R: |
| case HEVC_NAL_TSA_N: |
| case HEVC_NAL_TSA_R: |
| case HEVC_NAL_STSA_N: |
| case HEVC_NAL_STSA_R: |
| case HEVC_NAL_RADL_N: |
| case HEVC_NAL_RADL_R: |
| case HEVC_NAL_RASL_N: |
| case HEVC_NAL_RASL_R: |
| case HEVC_NAL_BLA_W_LP: |
| case HEVC_NAL_BLA_W_RADL: |
| case HEVC_NAL_BLA_N_LP: |
| case HEVC_NAL_IDR_W_RADL: |
| case HEVC_NAL_IDR_N_LP: |
| case HEVC_NAL_CRA_NUT: |
| { |
| H265RawSlice *slice = unit->content; |
| int pos, len; |
| |
| err = cbs_h265_read_slice_segment_header(ctx, &gbc, &slice->header); |
| if (err < 0) |
| return err; |
| |
| if (!ff_cbs_h2645_read_more_rbsp_data(&gbc)) |
| return AVERROR_INVALIDDATA; |
| |
| pos = get_bits_count(&gbc); |
| len = unit->data_size; |
| |
| slice->data_size = len - pos / 8; |
| slice->data_ref = av_buffer_ref(unit->data_ref); |
| if (!slice->data_ref) |
| return AVERROR(ENOMEM); |
| slice->data = unit->data + pos / 8; |
| slice->data_bit_start = pos % 8; |
| } |
| break; |
| |
| case HEVC_NAL_AUD: |
| { |
| err = cbs_h265_read_aud(ctx, &gbc, unit->content); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_FD_NUT: |
| { |
| err = cbs_h265_read_filler(ctx, &gbc, unit->content); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_SEI_PREFIX: |
| case HEVC_NAL_SEI_SUFFIX: |
| { |
| err = cbs_h265_read_sei(ctx, &gbc, unit->content, |
| unit->type == HEVC_NAL_SEI_PREFIX); |
| |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| default: |
| return AVERROR(ENOSYS); |
| } |
| |
| return 0; |
| } |
| |
| static int cbs_h265_write_nal_unit(CodedBitstreamContext *ctx, |
| CodedBitstreamUnit *unit, |
| PutBitContext *pbc) |
| { |
| int err; |
| |
| switch (unit->type) { |
| case HEVC_NAL_VPS: |
| { |
| H265RawVPS *vps = unit->content; |
| |
| err = cbs_h265_write_vps(ctx, pbc, vps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h265_replace_vps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_SPS: |
| { |
| H265RawSPS *sps = unit->content; |
| |
| err = cbs_h265_write_sps(ctx, pbc, sps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h265_replace_sps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_PPS: |
| { |
| H265RawPPS *pps = unit->content; |
| |
| err = cbs_h265_write_pps(ctx, pbc, pps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h265_replace_pps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_TRAIL_N: |
| case HEVC_NAL_TRAIL_R: |
| case HEVC_NAL_TSA_N: |
| case HEVC_NAL_TSA_R: |
| case HEVC_NAL_STSA_N: |
| case HEVC_NAL_STSA_R: |
| case HEVC_NAL_RADL_N: |
| case HEVC_NAL_RADL_R: |
| case HEVC_NAL_RASL_N: |
| case HEVC_NAL_RASL_R: |
| case HEVC_NAL_BLA_W_LP: |
| case HEVC_NAL_BLA_W_RADL: |
| case HEVC_NAL_BLA_N_LP: |
| case HEVC_NAL_IDR_W_RADL: |
| case HEVC_NAL_IDR_N_LP: |
| case HEVC_NAL_CRA_NUT: |
| { |
| H265RawSlice *slice = unit->content; |
| |
| err = cbs_h265_write_slice_segment_header(ctx, pbc, &slice->header); |
| if (err < 0) |
| return err; |
| |
| if (slice->data) { |
| err = ff_cbs_h2645_write_slice_data(ctx, pbc, slice->data, |
| slice->data_size, |
| slice->data_bit_start); |
| if (err < 0) |
| return err; |
| } else { |
| // No slice data - that was just the header. |
| } |
| } |
| break; |
| |
| case HEVC_NAL_AUD: |
| { |
| err = cbs_h265_write_aud(ctx, pbc, unit->content); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_FD_NUT: |
| { |
| err = cbs_h265_write_filler(ctx, pbc, unit->content); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case HEVC_NAL_SEI_PREFIX: |
| case HEVC_NAL_SEI_SUFFIX: |
| { |
| err = cbs_h265_write_sei(ctx, pbc, unit->content, |
| unit->type == HEVC_NAL_SEI_PREFIX); |
| |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| default: |
| av_log(ctx->log_ctx, AV_LOG_ERROR, "Write unimplemented for " |
| "NAL unit type %"PRIu32".\n", unit->type); |
| return AVERROR_PATCHWELCOME; |
| } |
| |
| return 0; |
| } |
| |
| static int cbs_h265_discarded_nal_unit(CodedBitstreamContext *ctx, |
| const CodedBitstreamUnit *unit, |
| enum AVDiscard skip) |
| { |
| H265RawSliceHeader *slice; |
| |
| if (skip <= AVDISCARD_DEFAULT) |
| return 0; |
| |
| switch (unit->type) { |
| case HEVC_NAL_BLA_W_LP: |
| case HEVC_NAL_BLA_W_RADL: |
| case HEVC_NAL_BLA_N_LP: |
| case HEVC_NAL_IDR_W_RADL: |
| case HEVC_NAL_IDR_N_LP: |
| case HEVC_NAL_CRA_NUT: |
| // IRAP slice |
| if (skip < AVDISCARD_ALL) |
| return 0; |
| break; |
| |
| case HEVC_NAL_TRAIL_R: |
| case HEVC_NAL_TRAIL_N: |
| case HEVC_NAL_TSA_N: |
| case HEVC_NAL_TSA_R: |
| case HEVC_NAL_STSA_N: |
| case HEVC_NAL_STSA_R: |
| case HEVC_NAL_RADL_N: |
| case HEVC_NAL_RADL_R: |
| case HEVC_NAL_RASL_N: |
| case HEVC_NAL_RASL_R: |
| // Slice |
| break; |
| default: |
| // Don't discard non-slice nal. |
| return 0; |
| } |
| |
| if (skip >= AVDISCARD_NONKEY) |
| return 1; |
| |
| slice = (H265RawSliceHeader *)unit->content; |
| if (!slice) { |
| av_log(ctx->log_ctx, AV_LOG_WARNING, |
| "h265 slice header is null, missing decompose?\n"); |
| return 0; |
| } |
| |
| if (skip >= AVDISCARD_NONINTRA && slice->slice_type != HEVC_SLICE_I) |
| return 1; |
| if (skip >= AVDISCARD_BIDIR && slice->slice_type == HEVC_SLICE_B) |
| return 1; |
| |
| if (skip >= AVDISCARD_NONREF) { |
| switch (unit->type) { |
| case HEVC_NAL_TRAIL_N: |
| case HEVC_NAL_TSA_N: |
| case HEVC_NAL_STSA_N: |
| case HEVC_NAL_RADL_N: |
| case HEVC_NAL_RASL_N: |
| case HEVC_NAL_VCL_N10: |
| case HEVC_NAL_VCL_N12: |
| case HEVC_NAL_VCL_N14: |
| // non-ref |
| return 1; |
| default: |
| break; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static av_cold void cbs_h265_flush(CodedBitstreamContext *ctx) |
| { |
| CodedBitstreamH265Context *h265 = ctx->priv_data; |
| |
| for (int i = 0; i < FF_ARRAY_ELEMS(h265->vps); i++) |
| av_refstruct_unref(&h265->vps[i]); |
| for (int i = 0; i < FF_ARRAY_ELEMS(h265->sps); i++) |
| av_refstruct_unref(&h265->sps[i]); |
| for (int i = 0; i < FF_ARRAY_ELEMS(h265->pps); i++) |
| av_refstruct_unref(&h265->pps[i]); |
| |
| h265->active_vps = NULL; |
| h265->active_sps = NULL; |
| h265->active_pps = NULL; |
| } |
| |
| static av_cold void cbs_h265_close(CodedBitstreamContext *ctx) |
| { |
| CodedBitstreamH265Context *h265 = ctx->priv_data; |
| int i; |
| |
| ff_h2645_packet_uninit(&h265->common.read_packet); |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(h265->vps); i++) |
| av_refstruct_unref(&h265->vps[i]); |
| for (i = 0; i < FF_ARRAY_ELEMS(h265->sps); i++) |
| av_refstruct_unref(&h265->sps[i]); |
| for (i = 0; i < FF_ARRAY_ELEMS(h265->pps); i++) |
| av_refstruct_unref(&h265->pps[i]); |
| } |
| |
| static void cbs_h265_free_sei(AVRefStructOpaque unused, void *content) |
| { |
| H265RawSEI *sei = content; |
| ff_cbs_sei_free_message_list(&sei->message_list); |
| } |
| |
| static CodedBitstreamUnitTypeDescriptor cbs_h265_unit_types[] = { |
| CBS_UNIT_TYPE_INTERNAL_REF(HEVC_NAL_VPS, H265RawVPS, extension_data.data), |
| CBS_UNIT_TYPE_INTERNAL_REF(HEVC_NAL_SPS, H265RawSPS, extension_data.data), |
| CBS_UNIT_TYPE_INTERNAL_REF(HEVC_NAL_PPS, H265RawPPS, extension_data.data), |
| |
| CBS_UNIT_TYPE_POD(HEVC_NAL_AUD, H265RawAUD), |
| CBS_UNIT_TYPE_POD(HEVC_NAL_FD_NUT, H265RawFiller), |
| |
| // Slices of non-IRAP pictures. |
| CBS_UNIT_RANGE_INTERNAL_REF(HEVC_NAL_TRAIL_N, HEVC_NAL_RASL_R, |
| H265RawSlice, data), |
| // Slices of IRAP pictures. |
| CBS_UNIT_RANGE_INTERNAL_REF(HEVC_NAL_BLA_W_LP, HEVC_NAL_CRA_NUT, |
| H265RawSlice, data), |
| |
| CBS_UNIT_TYPES_COMPLEX((HEVC_NAL_SEI_PREFIX, HEVC_NAL_SEI_SUFFIX), |
| H265RawSEI, cbs_h265_free_sei), |
| |
| CBS_UNIT_TYPE_END_OF_LIST |
| }; |
| |
| // Macro for the read/write pair. |
| #define SEI_MESSAGE_RW(codec, name) \ |
| .read = cbs_ ## codec ## _read_ ## name ## _internal, \ |
| .write = cbs_ ## codec ## _write_ ## name ## _internal |
| |
| const SEIMessageTypeDescriptor ff_cbs_sei_h265_types[] = { |
| { |
| SEI_TYPE_BUFFERING_PERIOD, |
| 1, 0, |
| sizeof(H265RawSEIBufferingPeriod), |
| SEI_MESSAGE_RW(h265, sei_buffering_period), |
| }, |
| { |
| SEI_TYPE_PIC_TIMING, |
| 1, 0, |
| sizeof(H265RawSEIPicTiming), |
| SEI_MESSAGE_RW(h265, sei_pic_timing), |
| }, |
| { |
| SEI_TYPE_PAN_SCAN_RECT, |
| 1, 0, |
| sizeof(H265RawSEIPanScanRect), |
| SEI_MESSAGE_RW(h265, sei_pan_scan_rect), |
| }, |
| { |
| SEI_TYPE_RECOVERY_POINT, |
| 1, 0, |
| sizeof(H265RawSEIRecoveryPoint), |
| SEI_MESSAGE_RW(h265, sei_recovery_point), |
| }, |
| { |
| SEI_TYPE_FILM_GRAIN_CHARACTERISTICS, |
| 1, 0, |
| sizeof(H265RawFilmGrainCharacteristics), |
| SEI_MESSAGE_RW(h265, film_grain_characteristics), |
| }, |
| { |
| SEI_TYPE_DISPLAY_ORIENTATION, |
| 1, 0, |
| sizeof(H265RawSEIDisplayOrientation), |
| SEI_MESSAGE_RW(h265, sei_display_orientation), |
| }, |
| { |
| SEI_TYPE_ACTIVE_PARAMETER_SETS, |
| 1, 0, |
| sizeof(H265RawSEIActiveParameterSets), |
| SEI_MESSAGE_RW(h265, sei_active_parameter_sets), |
| }, |
| { |
| SEI_TYPE_DECODED_PICTURE_HASH, |
| 0, 1, |
| sizeof(H265RawSEIDecodedPictureHash), |
| SEI_MESSAGE_RW(h265, sei_decoded_picture_hash), |
| }, |
| { |
| SEI_TYPE_TIME_CODE, |
| 1, 0, |
| sizeof(H265RawSEITimeCode), |
| SEI_MESSAGE_RW(h265, sei_time_code), |
| }, |
| { |
| SEI_TYPE_ALPHA_CHANNEL_INFO, |
| 1, 0, |
| sizeof(H265RawSEIAlphaChannelInfo), |
| SEI_MESSAGE_RW(h265, sei_alpha_channel_info), |
| }, |
| { |
| SEI_TYPE_THREE_DIMENSIONAL_REFERENCE_DISPLAYS_INFO, |
| 1, 0, |
| sizeof(H265RawSEI3DReferenceDisplaysInfo), |
| SEI_MESSAGE_RW(h265, sei_3d_reference_displays_info), |
| }, |
| SEI_MESSAGE_TYPE_END |
| }; |
| |
| const CodedBitstreamType ff_cbs_type_h265 = { |
| .codec_id = AV_CODEC_ID_HEVC, |
| |
| .priv_data_size = sizeof(CodedBitstreamH265Context), |
| |
| .unit_types = cbs_h265_unit_types, |
| |
| .split_fragment = &cbs_h265_split_fragment, |
| .read_unit = &cbs_h265_read_nal_unit, |
| .write_unit = &cbs_h265_write_nal_unit, |
| .discarded_unit = &cbs_h265_discarded_nal_unit, |
| .assemble_fragment = &ff_cbs_h2645_assemble_fragment, |
| |
| .flush = &cbs_h265_flush, |
| .close = &cbs_h265_close, |
| }; |
