Utility tools for audio and video raw media parsing. More...

#include <gpac/bitstream.h>
#include <gpac/mpeg4_odf.h>

Include dependency graph for avparse.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	GF_M4VDecSpecInfo

struct	ogg_audio_codec_desc

struct	GF_VorbisParser

struct	GF_M4ADecSpecInfo

Enumerations
enum	{ GF_M4A_AAC_MAIN = 1 , GF_M4A_AAC_LC = 2 , GF_M4A_AAC_SSR = 3 , GF_M4A_AAC_LTP = 4 , GF_M4A_AAC_SBR = 5 , GF_M4A_AAC_SCALABLE = 6 , GF_M4A_TWINVQ = 7 , GF_M4A_CELP = 8 , GF_M4A_HVXC = 9 , GF_M4A_TTSI = 12 , GF_M4A_MAIN_SYNTHETIC = 13 , GF_M4A_WAVETABLE_SYNTHESIS = 14 , GF_M4A_GENERAL_MIDI = 15 , GF_M4A_ALGO_SYNTH_AUDIO_FX = 16 , GF_M4A_ER_AAC_LC = 17 , GF_M4A_ER_AAC_LTP = 19 , GF_M4A_ER_AAC_SCALABLE = 20 , GF_M4A_ER_TWINVQ = 21 , GF_M4A_ER_BSAC = 22 , GF_M4A_ER_AAC_LD = 23 , GF_M4A_ER_CELP = 24 , GF_M4A_ER_HVXC = 25 , GF_M4A_ER_HILN = 26 , GF_M4A_ER_PARAMETRIC = 27 , GF_M4A_SSC = 28 , GF_M4A_AAC_PS = 29 , GF_M4A_LAYER1 = 32 , GF_M4A_LAYER2 = 33 , GF_M4A_LAYER3 = 34 , GF_M4A_DST = 35 , GF_M4A_ALS = 36 , GF_M4A_USAC = 42 }

enum	ObuType { OBU_RESERVED_0 = 0 , OBU_SEQUENCE_HEADER = 1 , OBU_TEMPORAL_DELIMITER = 2 , OBU_FRAME_HEADER = 3 , OBU_TILE_GROUP = 4 , OBU_METADATA = 5 , OBU_FRAME = 6 , OBU_REDUNDANT_FRAME_HEADER = 7 , OBU_TILE_LIST = 8 , OBU_RESERVED_9 = 9 , OBU_RESERVED_10 = 10 , OBU_RESERVED_11 = 11 , OBU_RESERVED_12 = 12 , OBU_RESERVED_13 = 13 , OBU_RESERVED_14 = 14 , OBU_PADDING = 15 }
	OBU types. More...

enum	ObuMetadataType { OBU_METADATA_TYPE_HDR_CLL = 1 , OBU_METADATA_TYPE_HDR_MDCV = 2 , OBU_METADATA_TYPE_SCALABILITY = 3 , OBU_METADATA_TYPE_ITUT_T35 = 4 , OBU_METADATA_TYPE_TIMECODE = 5 }
	OBU metadata types. More...

Functions
void	gf_media_reduce_aspect_ratio (u32 width, u32 height)

void	gf_media_get_reduced_frame_rate (u32 timescale, u32 sample_dur)

u32	gf_media_nalu_add_emulation_bytes (const u8 buffer_src, u8 buffer_dst, u32 nal_size)

u32	gf_media_nalu_emulation_bytes_add_count (u8 *buffer, u32 nal_size)

GF_M4VParser *	gf_m4v_parser_new (u8 *data, u64 data_size, Bool mpeg12video)

GF_M4VParser *	gf_m4v_parser_bs_new (GF_BitStream *bs, Bool mpeg12video)

void	gf_m4v_parser_del (GF_M4VParser *m4v)

void	gf_m4v_parser_del_no_bs (GF_M4VParser *m4v)

GF_Err	gf_m4v_parse_config (GF_M4VParser m4v, GF_M4VDecSpecInfo dsi)

void	gf_m4v_parser_reset (GF_M4VParser *m4v, u8 obj_type)

GF_Err	gf_m4v_parse_frame (GF_M4VParser m4v, GF_M4VDecSpecInfo dsi, u8 frame_type, u32 time_inc, u64 size, u64 start, Bool *is_coded)

u64	gf_m4v_get_object_start (GF_M4VParser *m4v)

GF_Err	gf_m4v_get_config (u8 rawdsi, u32 rawdsi_size, GF_M4VDecSpecInfo dsi)

GF_Err	gf_mpegv12_get_config (u8 rawdsi, u32 rawdsi_size, GF_M4VDecSpecInfo dsi)

void	gf_m4v_rewrite_pl (u8 *io_dsi, u32 io_dsi_len, u8 PL)

GF_Err	gf_m4v_rewrite_par (u8 *io_dsi, u32 io_dsi_len, s32 par_n, s32 par_d)

const char *	gf_m4v_get_profile_name (u8 video_pl)

s32	gf_mv12_next_start_code (u8 pbuffer, u32 buflen, u32 optr, u32 *scode)

s32	gf_mv12_next_slice_start (u8 pbuffer, u32 startoffset, u32 buflen, u32 slice_offset)

u8	gf_mp3_num_channels (u32 hdr)

u16	gf_mp3_sampling_rate (u32 hdr)

u16	gf_mp3_window_size (u32 hdr)

u32	gf_mp3_bit_rate (u32 hdr)

u8	gf_mp3_object_type_indication (u32 hdr)

u8	gf_mp3_layer (u32 hdr)

u16	gf_mp3_frame_size (u32 hdr)

u32	gf_mp3_get_next_header (FILE *fin)

u32	gf_mp3_get_next_header_mem (const u8 buffer, u32 size, u32 pos)

u8	gf_mp3_version (u32 hdr)

const char *	gf_mp3_version_name (u32 hdr)

Bool	gf_vorbis_parse_header (GF_VorbisParser vp, u8 data, u32 data_len)

u32	gf_vorbis_check_frame (GF_VorbisParser vp, u8 data, u32 data_len)

Bool	gf_opus_parse_header (GF_OpusConfig cfg, u8 data, u32 data_len)

u32	gf_opus_check_frame (GF_OpusConfig cfg, u8 data, u32 data_len)

u64	gf_mpegh_escaped_value (GF_BitStream *bs, u32 nBits1, u32 nBits2, u32 nBits3)

s32	gf_mpegh_get_mhas_pl (u8 ptr, u32 size, u64 chan_layout)

u32	gf_id3_read_size (GF_BitStream *bs)

u32	gf_m4a_get_channel_cfg (u32 nb_chan)

GF_Err	gf_m4a_get_config (u8 dsi, u32 dsi_size, GF_M4ADecSpecInfo cfg)

u32	gf_m4a_get_profile (GF_M4ADecSpecInfo *cfg)

GF_Err	gf_m4a_write_config (GF_M4ADecSpecInfo cfg, u8 dsi, u32 dsi_size)

GF_Err	gf_m4a_write_config_bs (GF_BitStream bs, GF_M4ADecSpecInfo cfg)

GF_Err	gf_m4a_parse_config (GF_BitStream bs, GF_M4ADecSpecInfo cfg, Bool size_known)

GF_Err	gf_m4a_parse_program_config_element (GF_BitStream bs, GF_M4ADecSpecInfo cfg)

GF_Err	gf_m4a_write_program_config_element_bs (GF_BitStream bs, GF_M4ADecSpecInfo cfg)

const char *	gf_m4a_object_type_name (u32 objectType)

const char *	gf_m4a_get_profile_name (u8 audio_pl)

Bool	gf_ac3_parser (u8 buffer, u32 buffer_size, u32 pos, GF_AC3Config *out_hdr, Bool full_parse)

Bool	gf_ac3_parser_bs (GF_BitStream bs, GF_AC3Config hdr, Bool full_parse)

Bool	gf_eac3_parser (u8 buffer, u32 buffer_size, u32 pos, GF_AC3Config *hdr, Bool full_parse)

Bool	gf_eac3_parser_bs (GF_BitStream bs, GF_AC3Config hdr, Bool full_parse)

u32	gf_eac3_get_chan_loc_count (u32 chan_loc)

u64	gf_ac3_get_channel_layout (GF_AC3Config *ac3)

u32	gf_ac3_get_total_channels (u32 acmod)

u32	gf_ac3_get_surround_channels (u32 acmod)

u32	gf_ac3_get_bitrate (u32 brcode)

GF_Err	gf_avc_get_sps_info (u8 sps, u32 sps_size, u32 sps_id, u32 width, u32 height, s32 par_n, s32 par_d)

GF_Err	gf_avc_get_pps_info (u8 pps, u32 pps_size, u32 pps_id, u32 *sps_id)

GF_Err	gf_hevc_get_sps_info (u8 sps_data, u32 sps_size, u32 sps_id, u32 width, u32 height, s32 par_n, s32 par_d)

GF_Err	gf_vvc_get_sps_info (u8 sps_data, u32 sps_size, u32 sps_id, u32 width, u32 height, s32 par_n, s32 par_d)

const char *	gf_vvc_get_profile_name (u8 video_prof)

const char *	gf_avc_hevc_get_chroma_format_name (u8 chroma_format)

const char *	gf_avc_get_profile_name (u8 profile_idc)

Bool	gf_avcc_use_extensions (u8 profile_idc)

const char *	gf_hevc_get_profile_name (u8 profile_idc)

void	gf_img_parse (GF_BitStream bs, u32 codecid, u32 width, u32 height, u8 *dsi, u32 dsi_len)

GF_Err	gf_img_jpeg_dec (u8 jpg, u32 jpg_size, u32 width, u32 height, u32 pixel_format, u8 dst, u32 dst_size, u32 dst_nb_comp)

GF_Err	gf_img_png_dec (u8 png, u32 png_size, u32 width, u32 height, u32 pixel_format, u8 dst, u32 dst_size)

GF_Err	gf_img_png_enc (u8 data, u32 width, u32 height, s32 stride, u32 pixel_format, u8 dst, u32 *dst_size)

const char *	gf_av1_get_obu_name (ObuType obu_type)

Variables
static const u32	GF_M4ASampleRates []

static const u32	GF_M4ANumChannels []

Detailed Description

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Data Structures

Enumerations

Functions

Variables

Detailed Description