| /* |
| * 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 |
| */ |
| |
| #ifndef AVCODEC_H2645_SEI_H |
| #define AVCODEC_H2645_SEI_H |
| |
| #include <stdint.h> |
| |
| #include "libavutil/buffer.h" |
| #include "libavutil/frame.h" |
| |
| #include "avcodec.h" |
| #include "bytestream.h" |
| #include "codec_id.h" |
| #include "get_bits.h" |
| #include "h2645_vui.h" |
| #include "sei.h" |
| |
| typedef struct H2645SEIA53Caption { |
| AVBufferRef *buf_ref; |
| } H2645SEIA53Caption; |
| |
| typedef struct H2645SEIAFD { |
| int present; |
| uint8_t active_format_description; |
| } H2645SEIAFD; |
| |
| typedef struct HEVCSEIDynamicHDRPlus { |
| AVBufferRef *info; |
| } HEVCSEIDynamicHDRPlus; |
| |
| typedef struct HEVCSEIDynamicHDRVivid { |
| AVBufferRef *info; |
| } HEVCSEIDynamicHDRVivid; |
| |
| typedef struct H2645SEIUnregistered { |
| AVBufferRef **buf_ref; |
| unsigned nb_buf_ref; |
| int x264_build; //< H.264 only |
| } H2645SEIUnregistered; |
| |
| typedef struct H2645SEIFramePacking { |
| int present; |
| int arrangement_id; |
| int arrangement_cancel_flag; ///< is previous arrangement canceled, -1 if never received (currently H.264 only) |
| SEIFpaType arrangement_type; |
| int arrangement_repetition_period; |
| int content_interpretation_type; |
| int quincunx_sampling_flag; |
| int current_frame_is_frame0_flag; |
| } H2645SEIFramePacking; |
| |
| typedef struct H2645SEIDisplayOrientation { |
| int present; |
| int anticlockwise_rotation; |
| int hflip, vflip; |
| } H2645SEIDisplayOrientation; |
| |
| typedef struct H2645SEIAlternativeTransfer { |
| int present; |
| int preferred_transfer_characteristics; |
| } H2645SEIAlternativeTransfer; |
| |
| typedef struct H2645SEIAmbientViewingEnvironment { |
| int present; |
| uint32_t ambient_illuminance; |
| uint16_t ambient_light_x; |
| uint16_t ambient_light_y; |
| } H2645SEIAmbientViewingEnvironment; |
| |
| typedef struct H2645SEIFilmGrainCharacteristics { |
| int present; |
| int model_id; |
| int separate_colour_description_present_flag; |
| int bit_depth_luma; |
| int bit_depth_chroma; |
| int full_range; |
| int color_primaries; |
| int transfer_characteristics; |
| int matrix_coeffs; |
| int blending_mode_id; |
| int log2_scale_factor; |
| int comp_model_present_flag[3]; |
| uint16_t num_intensity_intervals[3]; |
| uint8_t num_model_values[3]; |
| uint8_t intensity_interval_lower_bound[3][256]; |
| uint8_t intensity_interval_upper_bound[3][256]; |
| int16_t comp_model_value[3][256][6]; |
| int repetition_period; //< H.264 only |
| int persistence_flag; //< HEVC only |
| } H2645SEIFilmGrainCharacteristics; |
| |
| typedef struct H2645SEI { |
| H2645SEIA53Caption a53_caption; |
| H2645SEIAFD afd; |
| HEVCSEIDynamicHDRPlus dynamic_hdr_plus; //< HEVC only |
| HEVCSEIDynamicHDRVivid dynamic_hdr_vivid; //< HEVC only |
| H2645SEIUnregistered unregistered; |
| H2645SEIFramePacking frame_packing; |
| H2645SEIDisplayOrientation display_orientation; |
| H2645SEIAlternativeTransfer alternative_transfer; |
| H2645SEIFilmGrainCharacteristics film_grain_characteristics; |
| H2645SEIAmbientViewingEnvironment ambient_viewing_environment; |
| } H2645SEI; |
| |
| enum { |
| FF_H2645_SEI_MESSAGE_HANDLED = 0, |
| FF_H2645_SEI_MESSAGE_UNHANDLED, |
| }; |
| |
| /** |
| * Decode a single SEI message. |
| * |
| * This function may either use gb or gbyte to decode the SEI message. |
| * |
| * @param[in, out] gb GetBitContext that needs to be at the start |
| * of the payload (i.e. after the payload_size bytes); |
| * it needs to be initially byte-aligned |
| * @param[in, out] gbyte a GetByteContext for the same data as gb |
| * @return < 0 on error, FF_H2645_SEI_MESSAGE_HANDLED if the SEI message |
| * has been handled or FF_H2645_SEI_MESSAGE_UNHANDLED if not. |
| */ |
| int ff_h2645_sei_message_decode(H2645SEI *h, enum SEIType type, |
| enum AVCodecID codec_id, GetBitContext *gb, |
| GetByteContext *gbyte, void *logctx); |
| |
| int ff_h2645_sei_ctx_replace(H2645SEI *dst, const H2645SEI *src); |
| |
| void ff_h2645_sei_reset(H2645SEI *s); |
| |
| int ff_h2645_sei_to_frame(AVFrame *frame, H2645SEI *sei, |
| enum AVCodecID codec_id, |
| AVCodecContext *avctx, const H2645VUI *vui, |
| unsigned bit_depth_luma, unsigned bit_depth_chroma, |
| int seed); |
| |
| #endif /* AVCODEC_H2645_SEI_H */ |