| /* |
| * 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/intmath.h" |
| #include "libavutil/mem.h" |
| #include "libavutil/refstruct.h" |
| #include "bytestream.h" |
| #include "cbs.h" |
| #include "cbs_internal.h" |
| #include "cbs_h2645.h" |
| #include "cbs_h266.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_H266(name) FUNC_NAME1(READWRITE, h266, 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_H266(name) args; \ |
| static int FUNC_H266(name ## _internal)(CodedBitstreamContext *ctx, \ |
| RWContext *rw, void *cur, \ |
| SEIMessageState *state) \ |
| { \ |
| return FUNC_H266(name)(ctx, rw, cur, state); \ |
| } \ |
| static int FUNC_H266(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_H266(name) |
| #include "cbs_h266_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_H266(name) |
| #include "cbs_h266_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_h266_split_fragment(CodedBitstreamContext *ctx, |
| CodedBitstreamFragment *frag, |
| int header) |
| { |
| enum AVCodecID codec_id = ctx->codec->codec_id; |
| CodedBitstreamH266Context *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]) { |
| // VVCC header. |
| int ptl_present_flag, num_arrays; |
| int b, i, j; |
| |
| h2645->mp4 = 1; |
| |
| bytestream2_init(&gbc, frag->data, frag->data_size); |
| |
| b = bytestream2_get_byte(&gbc); |
| h2645->nal_length_size = ((b >> 1) & 3) + 1; |
| ptl_present_flag = b & 1; |
| |
| if(ptl_present_flag) { |
| int num_sublayers, num_bytes_constraint_info, num_sub_profiles; |
| num_sublayers = (bytestream2_get_be16u(&gbc) >> 4) & 7; |
| bytestream2_skip(&gbc, 1); |
| |
| // begin VvcPTLRecord(num_sublayers); |
| num_bytes_constraint_info = bytestream2_get_byte(&gbc) & 0x3f; |
| bytestream2_skip(&gbc, 2 + num_bytes_constraint_info); |
| if(num_sublayers > 1) { |
| int count_present_flags = 0; |
| b = bytestream2_get_byte(&gbc); |
| for(i = num_sublayers - 2; i >= 0; i--) { |
| if((b >> (7 - (num_sublayers - 2 - i))) & 0x01) |
| count_present_flags++; |
| } |
| bytestream2_skip(&gbc, count_present_flags); |
| } |
| num_sub_profiles = bytestream2_get_byte(&gbc); |
| bytestream2_skip(&gbc, num_sub_profiles * 4); |
| // end VvcPTLRecord(num_sublayers); |
| |
| bytestream2_skip(&gbc, 3 * 2); |
| } |
| |
| num_arrays = bytestream2_get_byte(&gbc); |
| for(j = 0; j < num_arrays; j++) { |
| size_t start, end, size; |
| int nal_unit_type = bytestream2_get_byte(&gbc) & 0x1f; |
| unsigned int num_nalus = 1; |
| if(nal_unit_type != VVC_DCI_NUT && nal_unit_type != VVC_OPI_NUT) |
| num_nalus = bytestream2_get_be16(&gbc); |
| |
| start = bytestream2_tell(&gbc); |
| for(i = 0; i < num_nalus; i++) { |
| 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_VVC, |
| 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 " |
| "VVCC array %d (%d NAL units of type %d).\n", |
| i, num_nalus, 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_h266_replace_ps(ps_name, ps_var, id_element) \ |
| static int cbs_h266_replace_ ## ps_var(CodedBitstreamContext *ctx, \ |
| CodedBitstreamUnit *unit) \ |
| { \ |
| CodedBitstreamH266Context *priv = ctx->priv_data; \ |
| H266Raw ## 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; \ |
| av_assert0(unit->content_ref); \ |
| av_refstruct_replace(&priv->ps_var[id], unit->content_ref); \ |
| return 0; \ |
| } |
| |
| cbs_h266_replace_ps(VPS, vps, vps_video_parameter_set_id) |
| cbs_h266_replace_ps(PPS, pps, pps_pic_parameter_set_id) |
| |
| static int cbs_h266_replace_sps(CodedBitstreamContext *ctx, |
| CodedBitstreamUnit *unit) |
| { |
| CodedBitstreamH266Context *priv = ctx->priv_data; |
| H266RawSPS *sps = unit->content; |
| unsigned int id = sps->sps_seq_parameter_set_id; |
| int err = ff_cbs_make_unit_refcounted(ctx, unit); |
| if (err < 0) |
| return err; |
| av_assert0(unit->content_ref); |
| if (priv->sps[id] && memcmp(priv->sps[id], unit->content_ref, sizeof(*priv->sps[id]))) { |
| for (unsigned int i = 0; i < VVC_MAX_PPS_COUNT; i++) { |
| if (priv->pps[i] && priv->pps[i]->pps_seq_parameter_set_id == id) |
| av_refstruct_unref(&priv->pps[i]); |
| } |
| } |
| av_refstruct_replace(&priv->sps[id], unit->content_ref); |
| return 0; |
| } |
| |
| static int cbs_h266_replace_ph(CodedBitstreamContext *ctx, |
| CodedBitstreamUnit *unit, |
| H266RawPictureHeader *ph) |
| { |
| CodedBitstreamH266Context *h266 = ctx->priv_data; |
| int err; |
| |
| err = ff_cbs_make_unit_refcounted(ctx, unit); |
| if (err < 0) |
| return err; |
| av_assert0(unit->content_ref); |
| av_refstruct_replace(&h266->ph_ref, unit->content_ref); |
| h266->ph = ph; |
| return 0; |
| } |
| |
| static int cbs_h266_read_nal_unit(CodedBitstreamContext *ctx, |
| CodedBitstreamUnit *unit) |
| { |
| GetBitContext gbc; |
| int err; |
| CodedBitstreamH266Context *h266 = ctx->priv_data; |
| |
| err = init_get_bits8(&gbc, unit->data, 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 VVC_DCI_NUT: |
| { |
| err = cbs_h266_read_dci(ctx, &gbc, unit->content); |
| |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_OPI_NUT: |
| { |
| err = cbs_h266_read_opi(ctx, &gbc, unit->content); |
| |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_VPS_NUT: |
| { |
| H266RawVPS *vps = unit->content; |
| |
| err = cbs_h266_read_vps(ctx, &gbc, vps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h266_replace_vps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_SPS_NUT: |
| { |
| H266RawSPS *sps = unit->content; |
| |
| err = cbs_h266_read_sps(ctx, &gbc, sps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h266_replace_sps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_PPS_NUT: |
| { |
| H266RawPPS *pps = unit->content; |
| |
| err = cbs_h266_read_pps(ctx, &gbc, pps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h266_replace_pps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_PREFIX_APS_NUT: |
| case VVC_SUFFIX_APS_NUT: |
| { |
| err = cbs_h266_read_aps(ctx, &gbc, unit->content, |
| unit->type == VVC_PREFIX_APS_NUT); |
| |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_PH_NUT: |
| { |
| H266RawPH *ph = unit->content; |
| err = cbs_h266_read_ph(ctx, &gbc, ph); |
| if (err < 0) |
| return err; |
| err = cbs_h266_replace_ph(ctx, unit, &ph->ph_picture_header); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_TRAIL_NUT: |
| case VVC_STSA_NUT: |
| case VVC_RADL_NUT: |
| case VVC_RASL_NUT: |
| case VVC_IDR_W_RADL: |
| case VVC_IDR_N_LP: |
| case VVC_CRA_NUT: |
| case VVC_GDR_NUT: |
| { |
| H266RawSlice *slice = unit->content; |
| int pos, len; |
| |
| err = cbs_h266_read_slice_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; |
| |
| if (slice->header.sh_picture_header_in_slice_header_flag) { |
| err = cbs_h266_replace_ph(ctx, unit, &slice->header.sh_picture_header); |
| if (err < 0) |
| return err; |
| slice->ph_ref = NULL; |
| } else { |
| slice->ph_ref = av_refstruct_ref(h266->ph_ref); |
| } |
| slice->ph = h266->ph; |
| slice->pps = av_refstruct_ref(h266->pps[slice->ph->ph_pic_parameter_set_id]); |
| slice->sps = av_refstruct_ref(h266->sps[slice->pps->pps_seq_parameter_set_id]); |
| |
| slice->header_size = pos / 8; |
| 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 VVC_AUD_NUT: |
| { |
| err = cbs_h266_read_aud(ctx, &gbc, unit->content); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_PREFIX_SEI_NUT: |
| case VVC_SUFFIX_SEI_NUT: |
| { |
| err = cbs_h266_read_sei(ctx, &gbc, unit->content, |
| unit->type == VVC_PREFIX_SEI_NUT); |
| |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| default: |
| return AVERROR(ENOSYS); |
| } |
| return 0; |
| } |
| |
| static int cbs_h266_write_nal_unit(CodedBitstreamContext *ctx, |
| CodedBitstreamUnit *unit, |
| PutBitContext *pbc) |
| { |
| int err; |
| |
| switch (unit->type) { |
| case VVC_DCI_NUT: |
| { |
| H266RawDCI *dci = unit->content; |
| |
| err = cbs_h266_write_dci(ctx, pbc, dci); |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_OPI_NUT: |
| { |
| H266RawOPI *opi = unit->content; |
| |
| err = cbs_h266_write_opi(ctx, pbc, opi); |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_VPS_NUT: |
| { |
| H266RawVPS *vps = unit->content; |
| |
| err = cbs_h266_write_vps(ctx, pbc, vps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h266_replace_vps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_SPS_NUT: |
| { |
| H266RawSPS *sps = unit->content; |
| |
| err = cbs_h266_write_sps(ctx, pbc, sps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h266_replace_sps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_PPS_NUT: |
| { |
| H266RawPPS *pps = unit->content; |
| |
| err = cbs_h266_write_pps(ctx, pbc, pps); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h266_replace_pps(ctx, unit); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_PREFIX_APS_NUT: |
| case VVC_SUFFIX_APS_NUT: |
| { |
| err = cbs_h266_write_aps(ctx, pbc, unit->content, |
| unit->type == VVC_PREFIX_APS_NUT); |
| if (err < 0) |
| return err; |
| } |
| break; |
| case VVC_PH_NUT: |
| { |
| H266RawPH *ph = unit->content; |
| err = cbs_h266_write_ph(ctx, pbc, ph); |
| if (err < 0) |
| return err; |
| |
| err = cbs_h266_replace_ph(ctx, unit, &ph->ph_picture_header); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_TRAIL_NUT: |
| case VVC_STSA_NUT: |
| case VVC_RADL_NUT: |
| case VVC_RASL_NUT: |
| case VVC_IDR_W_RADL: |
| case VVC_IDR_N_LP: |
| case VVC_CRA_NUT: |
| case VVC_GDR_NUT: |
| { |
| H266RawSlice *slice = unit->content; |
| |
| err = cbs_h266_write_slice_header(ctx, pbc, &slice->header); |
| if (err < 0) |
| return err; |
| |
| if (slice->header.sh_picture_header_in_slice_header_flag) { |
| err = cbs_h266_replace_ph(ctx, unit, &slice->header.sh_picture_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 VVC_AUD_NUT: |
| { |
| err = cbs_h266_write_aud(ctx, pbc, unit->content); |
| if (err < 0) |
| return err; |
| } |
| break; |
| |
| case VVC_PREFIX_SEI_NUT: |
| case VVC_SUFFIX_SEI_NUT: |
| { |
| err = cbs_h266_write_sei(ctx, pbc, unit->content, |
| unit->type == VVC_PREFIX_SEI_NUT); |
| |
| 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 av_cold void cbs_h266_flush(CodedBitstreamContext *ctx) |
| { |
| CodedBitstreamH266Context *h266 = ctx->priv_data; |
| |
| for (int i = 0; i < FF_ARRAY_ELEMS(h266->vps); i++) |
| av_refstruct_unref(&h266->vps[i]); |
| for (int i = 0; i < FF_ARRAY_ELEMS(h266->sps); i++) |
| av_refstruct_unref(&h266->sps[i]); |
| for (int i = 0; i < FF_ARRAY_ELEMS(h266->pps); i++) |
| av_refstruct_unref(&h266->pps[i]); |
| av_refstruct_unref(&h266->ph_ref); |
| } |
| |
| static av_cold void cbs_h266_close(CodedBitstreamContext *ctx) |
| { |
| CodedBitstreamH266Context *h266 = ctx->priv_data; |
| |
| cbs_h266_flush(ctx); |
| ff_h2645_packet_uninit(&h266->common.read_packet); |
| } |
| |
| static void cbs_h266_free_slice(AVRefStructOpaque unused, void *content) |
| { |
| H266RawSlice *slice = content; |
| av_buffer_unref(&slice->data_ref); |
| av_refstruct_unref(&slice->sps); |
| av_refstruct_unref(&slice->pps); |
| av_refstruct_unref(&slice->ph_ref); |
| } |
| |
| |
| static void cbs_h266_free_sei(AVRefStructOpaque unused, void *content) |
| { |
| H266RawSEI *sei = content; |
| ff_cbs_sei_free_message_list(&sei->message_list); |
| } |
| |
| static CodedBitstreamUnitTypeDescriptor cbs_h266_unit_types[] = { |
| CBS_UNIT_TYPE_INTERNAL_REF(VVC_DCI_NUT, H266RawDCI, extension_data.data), |
| CBS_UNIT_TYPE_INTERNAL_REF(VVC_OPI_NUT, H266RawOPI, extension_data.data), |
| CBS_UNIT_TYPE_INTERNAL_REF(VVC_VPS_NUT, H266RawVPS, extension_data.data), |
| { |
| .nb_unit_types = 1, |
| .unit_type.list[0] = VVC_SPS_NUT, |
| .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS, |
| .content_size = sizeof(H266RawSPS), |
| .type.ref = { |
| .nb_offsets = 2, |
| .offsets = { offsetof(H266RawSPS, extension_data.data), |
| offsetof(H266RawSPS, vui.extension_data.data) } |
| }, |
| }, |
| CBS_UNIT_TYPE_INTERNAL_REF(VVC_PPS_NUT, H266RawPPS, extension_data.data), |
| CBS_UNIT_TYPE_INTERNAL_REF(VVC_PREFIX_APS_NUT, H266RawAPS, extension_data.data), |
| CBS_UNIT_TYPE_INTERNAL_REF(VVC_SUFFIX_APS_NUT, H266RawAPS, extension_data.data), |
| |
| CBS_UNIT_TYPE_POD(VVC_PH_NUT , H266RawPH), |
| CBS_UNIT_TYPE_POD(VVC_AUD_NUT, H266RawAUD), |
| |
| CBS_UNIT_TYPES_COMPLEX((VVC_TRAIL_NUT, VVC_STSA_NUT, VVC_RADL_NUT), |
| H266RawSlice, cbs_h266_free_slice), |
| CBS_UNIT_TYPES_COMPLEX((VVC_RASL_NUT, VVC_IDR_W_RADL, VVC_IDR_N_LP), |
| H266RawSlice, cbs_h266_free_slice), |
| CBS_UNIT_TYPES_COMPLEX((VVC_CRA_NUT, VVC_GDR_NUT), |
| H266RawSlice, cbs_h266_free_slice), |
| |
| CBS_UNIT_TYPES_COMPLEX((VVC_PREFIX_SEI_NUT, VVC_SUFFIX_SEI_NUT), |
| H266RawSEI, cbs_h266_free_sei), |
| |
| CBS_UNIT_TYPE_END_OF_LIST |
| }; |
| |
| const CodedBitstreamType ff_cbs_type_h266 = { |
| .codec_id = AV_CODEC_ID_VVC, |
| |
| .priv_data_size = sizeof(CodedBitstreamH266Context), |
| |
| .unit_types = cbs_h266_unit_types, |
| |
| .split_fragment = &cbs_h266_split_fragment, |
| .read_unit = &cbs_h266_read_nal_unit, |
| .write_unit = &cbs_h266_write_nal_unit, |
| .assemble_fragment = &ff_cbs_h2645_assemble_fragment, |
| |
| .flush = &cbs_h266_flush, |
| .close = &cbs_h266_close, |
| }; |
