161 lines
4.9 KiB
C
161 lines
4.9 KiB
C
#ifndef _mpeg_element_descriptor_h_
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#define _mpeg_element_descriptor_h_
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size_t mpeg_elment_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _video_stream_descriptor_t {
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uint32_t multiple_frame_rate_flag : 1;
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// Table 2-47 – Frame rate code
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// 23.976/24.0/25.0/29.97/30.0/50.0/59.94/60.0
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uint32_t frame_rate_code : 4;
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uint32_t MPEG_1_only_flag : 1;
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uint32_t constrained_parameter_flag : 1;
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uint32_t still_picture_flag : 1;
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// MPEG_1_only_flag == 0
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uint32_t profile_and_level_indication : 8;
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uint32_t chroma_format : 2;
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uint32_t frame_rate_extension_flag : 1;
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} video_stream_descriptor_t;
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size_t video_stream_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _audio_stream_descriptor_t {
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uint32_t free_format_flag : 1;
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uint32_t ID : 1;
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uint32_t layer : 2;
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uint32_t variable_rate_audio_indicator : 1;
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} audio_stream_descriptor_t;
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size_t audio_stream_descriptor(const uint8_t *data, size_t bytes);
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/*
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Table 2-50 – Hierarchy_type field values
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Value Description
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0 Reserved
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1 Spatial Scalability
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2 SNR Scalability
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3 Temporal Scalability
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4 Data partitioning
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5 Extension bitstream
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6 Private Stream
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7 Multi-view Profile
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8 Combined Scalability
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9 MVC video sub-bitstream
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10-14 Reserved
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15 Base layer or MVC base view sub-bitstream or AVC video sub-bitstream of MVC
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*/
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typedef struct _hierarchy_descriptor_t {
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uint32_t reserved0 : 1;
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uint32_t temporal_scalability_flag : 1;
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uint32_t spatial_scalability_flag : 1;
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uint32_t quality_scalability_flag : 1;
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uint32_t hierarchy_type : 4;
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uint32_t tref_present_flag : 1;
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uint32_t reserved1 : 1;
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uint32_t hierarchy_layer_index : 6;
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uint32_t reserved2 : 2;
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uint32_t hierarchy_embedded_layer_index : 6;
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uint32_t reserved3 : 2;
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uint32_t hierarchy_channel : 6;
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} hierarchy_descriptor_t;
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size_t hierarchy_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _language_descriptor_t {
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uint32_t code : 24;
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uint32_t audio : 8;
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} language_descriptor_t;
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size_t language_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _system_clock_descriptor_t {
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uint32_t external_clock_reference_indicator : 1;
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uint32_t clock_accuracy_integer : 6;
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uint32_t clock_accuracy_exponent : 3;
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} system_clock_descriptor_t;
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size_t system_clock_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _mpeg4_video_descriptor_t {
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uint8_t visual_profile_and_level;
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} mpeg4_video_descriptor_t;
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size_t mpeg4_video_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _mpeg4_audio_descriptor_t {
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uint8_t profile_and_level;
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} mpeg4_audio_descriptor_t;
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size_t mpeg4_audio_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _avc_video_descriptor_t {
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uint32_t profile_idc : 8;
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uint32_t constraint_set0_flag : 1;
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uint32_t constraint_set1_flag : 1;
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uint32_t constraint_set2_flag : 1;
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uint32_t constraint_set3_flag : 1;
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uint32_t constraint_set4_flag : 1;
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uint32_t constraint_set5_flag : 1;
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uint32_t AVC_compatible_flags : 2;
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uint32_t level_idc : 8;
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uint32_t AVC_still_present : 1;
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uint32_t AVC_24_hour_picture_flag : 1;
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uint32_t frame_packing_SEI_not_present_flag : 1;
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} avc_video_descriptor_t;
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size_t avc_video_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _avc_timing_hrd_descriptor_t {
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uint32_t hrd_management_valid_flag : 1;
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uint32_t picture_and_timing_info_present : 1;
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uint32_t _90kHZ_flag : 1;
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uint32_t fixed_frame_rate_flag : 1;
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uint32_t temporal_poc_flag : 1;
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uint32_t picture_to_display_conversion_flag : 1;
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uint32_t N;
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uint32_t K;
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uint32_t num_unit_in_tick;
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} avc_timing_hrd_descriptor_t;
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size_t avc_timing_hrd_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _mpeg2_aac_descriptor_t {
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uint32_t profile : 8;
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uint32_t channel_configuration : 8;
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uint32_t additional_information : 8;
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} mpeg2_aac_descriptor_t;
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size_t mpeg2_aac_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _svc_extension_descriptor_t {
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uint16_t width;
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uint16_t height;
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uint16_t frame_rate;
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uint16_t average_bitrate;
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uint16_t maximum_bitrate;
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uint32_t quality_id_start : 4;
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uint32_t quality_id_end : 4;
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uint32_t temporal_id_start : 3;
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uint32_t temporal_id_end : 3;
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uint32_t dependency_id : 3;
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uint32_t no_sei_nal_unit_present : 1;
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} svc_extension_descriptor_t;
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size_t svc_extension_descriptor(const uint8_t *data, size_t bytes);
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typedef struct _mvc_extension_descriptor_t {
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uint16_t average_bit_rate;
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uint16_t maximum_bitrate;
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uint32_t view_order_index_min : 10;
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uint32_t view_order_index_max : 10;
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uint32_t temporal_id_start : 3;
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uint32_t temporal_id_end : 3;
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uint32_t no_sei_nal_unit_present : 1;
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uint32_t no_prefix_nal_unit_present : 1;
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} mvc_extension_descriptor_t;
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size_t mvc_extension_descriptor(const uint8_t *data, size_t bytes);
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#endif /* !_mpeg_element_descriptor_h_ */
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