gxfenc.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/intfloat.h"
#include "libavutil/opt.h"
#include "libavutil/mathematics.h"
#include "libavutil/timecode.h"
#include "avformat.h"
#include "internal.h"
#include "gxf.h"
#include "audiointerleave.h"

Go to the source code of this file.

Data Structures
struct	GXFTimecode
struct	GXFStreamContext
struct	GXFContext

Macros
#define	GXF_AUDIO_PACKET_SIZE   65536
#define	GXF_TIMECODE(c, d, h, m, s, f)   ((c) << 30 | (d) << 29 | (h) << 24 | (m) << 16 | (s) << 8 | (f))
#define	SERVER_PATH   "EXT:/PDR/default/"
#define	ES_NAME_PATTERN   "EXT:/PDR/default/ES."

Functions
static int	gxf_find_lines_index (AVStream *st)
static void	gxf_write_padding (AVIOContext *pb, int64_t to_pad)
static int64_t	updatePacketSize (AVIOContext *pb, int64_t pos)
static int64_t	updateSize (AVIOContext *pb, int64_t pos)
static void	gxf_write_packet_header (AVIOContext *pb, GXFPktType type)
static int	gxf_write_mpeg_auxiliary (AVIOContext *pb, AVStream *st)
static int	gxf_write_timecode_auxiliary (AVIOContext *pb, GXFContext *gxf)
static int	gxf_write_track_description (AVFormatContext *s, GXFStreamContext *sc, int index)
static int	gxf_write_material_data_section (AVFormatContext *s)
static int	gxf_write_track_description_section (AVFormatContext *s)
static int	gxf_write_map_packet (AVFormatContext *s, int rewrite)
static int	gxf_write_flt_packet (AVFormatContext *s)
static int	gxf_write_umf_material_description (AVFormatContext *s)
static int	gxf_write_umf_payload (AVFormatContext *s)
static int	gxf_write_umf_track_description (AVFormatContext *s)
static int	gxf_write_umf_media_mpeg (AVIOContext *pb, AVStream *st)
static int	gxf_write_umf_media_timecode (AVIOContext *pb, int drop)
static int	gxf_write_umf_media_dv (AVIOContext *pb, GXFStreamContext *sc)
static int	gxf_write_umf_media_audio (AVIOContext *pb, GXFStreamContext *sc)
static int	gxf_write_umf_media_description (AVFormatContext *s)
static int	gxf_write_umf_packet (AVFormatContext *s)
static void	gxf_init_timecode_track (GXFStreamContext *sc, GXFStreamContext *vsc)
static int	gxf_init_timecode (AVFormatContext *s, GXFTimecode *tc, const char *tcstr, int fields)
static int	gxf_write_header (AVFormatContext *s)
static int	gxf_write_eos_packet (AVIOContext *pb)
static int	gxf_write_trailer (AVFormatContext *s)
static int	gxf_parse_mpeg_frame (GXFStreamContext *sc, const uint8_t *buf, int size)
static int	gxf_write_media_preamble (AVFormatContext *s, AVPacket *pkt, int size)
static int	gxf_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	gxf_compare_field_nb (AVFormatContext *s, AVPacket *next, AVPacket *cur)
static int	gxf_interleave_packet (AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)

Variables
struct {
int   height
int   index
}	gxf_lines_tab []
static const AVCodecTag	gxf_media_types []
static const int	GXF_samples_per_frame [] = { 32768, 0 }
AVOutputFormat	ff_gxf_muxer

Macro Definition Documentation

#define GXF_AUDIO_PACKET_SIZE   65536

Definition at line 32 of file gxfenc.c.

Referenced by gxf_write_packet().

#define GXF_TIMECODE	(		c,
			d,
			h,
			m,
			s,
			f
	)		((c) << 30 | (d) << 29 | (h) << 24 | (m) << 16 | (s) << 8 | (f))

Definition at line 34 of file gxfenc.c.

Referenced by gxf_write_timecode_auxiliary(), and gxf_write_umf_material_description().

#define SERVER_PATH   "EXT:/PDR/default/"

Definition at line 118 of file gxfenc.c.

Referenced by gxf_write_material_data_section().

#define ES_NAME_PATTERN   "EXT:/PDR/default/ES."

Definition at line 119 of file gxfenc.c.

Referenced by gxf_write_track_description(), and gxf_write_umf_media_description().

Function Documentation

static int gxf_find_lines_index ( AVStream *  st )

static

Definition at line 121 of file gxfenc.c.

Referenced by gxf_write_header().

static void gxf_write_padding ( AVIOContext *  pb, int64_t  to_pad  )

static

Definition at line 135 of file gxfenc.c.

Referenced by gxf_write_packet(), and updatePacketSize().

static int64_t updatePacketSize ( AVIOContext *  pb, int64_t  pos  )

static

Definition at line 142 of file gxfenc.c.

Referenced by gxf_write_eos_packet(), gxf_write_flt_packet(), gxf_write_map_packet(), gxf_write_packet(), and gxf_write_umf_packet().

static int64_t updateSize ( AVIOContext *  pb, int64_t  pos  )

static

Definition at line 159 of file gxfenc.c.

Referenced by gxf_write_material_data_section(), gxf_write_track_description(), and gxf_write_track_description_section().

static void gxf_write_packet_header ( AVIOContext *  pb, GXFPktType  type  )

static

Definition at line 170 of file gxfenc.c.

Referenced by gxf_write_eos_packet(), gxf_write_flt_packet(), gxf_write_map_packet(), gxf_write_packet(), and gxf_write_umf_packet().

static int gxf_write_mpeg_auxiliary ( AVIOContext *  pb, AVStream *  st  )

static

Definition at line 181 of file gxfenc.c.

Referenced by gxf_write_track_description().

static int gxf_write_timecode_auxiliary ( AVIOContext *  pb, GXFContext *  gxf  )

static

Definition at line 220 of file gxfenc.c.

Referenced by gxf_write_track_description().

static int gxf_write_track_description ( AVFormatContext *  s, GXFStreamContext *  sc, int  index  )

static

Definition at line 232 of file gxfenc.c.

Referenced by gxf_write_track_description_section().

static int gxf_write_material_data_section ( AVFormatContext *  s )

static

Definition at line 289 of file gxfenc.c.

Referenced by gxf_write_map_packet().

static int gxf_write_track_description_section ( AVFormatContext *  s )

static

Definition at line 340 of file gxfenc.c.

Referenced by gxf_write_map_packet().

static int gxf_write_map_packet ( AVFormatContext *  s, int  rewrite  )

static

Definition at line 357 of file gxfenc.c.

Referenced by gxf_write_header(), gxf_write_packet(), and gxf_write_trailer().

static int gxf_write_flt_packet ( AVFormatContext *  s )

static

Definition at line 388 of file gxfenc.c.

Referenced by gxf_write_header(), and gxf_write_trailer().

static int gxf_write_umf_material_description ( AVFormatContext *  s )

static

Definition at line 413 of file gxfenc.c.

Referenced by gxf_write_umf_packet().

static int gxf_write_umf_payload ( AVFormatContext *  s )

static

Definition at line 461 of file gxfenc.c.

Referenced by gxf_write_umf_packet().

static int gxf_write_umf_track_description ( AVFormatContext *  s )

static

Definition at line 481 of file gxfenc.c.

Referenced by gxf_write_umf_packet().

static int gxf_write_umf_media_mpeg ( AVIOContext *  pb, AVStream *  st  )

static

Definition at line 501 of file gxfenc.c.

Referenced by gxf_write_umf_media_description().

static int gxf_write_umf_media_timecode ( AVIOContext *  pb, int  drop  )

static

Definition at line 524 of file gxfenc.c.

Referenced by gxf_write_umf_media_description().

static int gxf_write_umf_media_dv ( AVIOContext *  pb, GXFStreamContext *  sc  )

static

Definition at line 537 of file gxfenc.c.

Referenced by gxf_write_umf_media_description().

static int gxf_write_umf_media_audio ( AVIOContext *  pb, GXFStreamContext *  sc  )

static

Definition at line 547 of file gxfenc.c.

Referenced by gxf_write_umf_media_description().

static int gxf_write_umf_media_description ( AVFormatContext *  s )

static

Definition at line 558 of file gxfenc.c.

Referenced by gxf_write_umf_packet().

static int gxf_write_umf_packet ( AVFormatContext *  s )

static

Definition at line 620 of file gxfenc.c.

Referenced by gxf_write_header(), and gxf_write_trailer().

static void gxf_init_timecode_track ( GXFStreamContext *  sc, GXFStreamContext *  vsc  )

static

Definition at line 643 of file gxfenc.c.

Referenced by gxf_write_header().

static int gxf_init_timecode ( AVFormatContext *  s, GXFTimecode *  tc, const char *  tcstr, int  fields  )

static

Definition at line 658 of file gxfenc.c.

Referenced by gxf_write_header().

static int gxf_write_header ( AVFormatContext *  s )

static

Definition at line 677 of file gxfenc.c.

static int gxf_write_eos_packet ( AVIOContext *  pb )

static

Definition at line 814 of file gxfenc.c.

Referenced by gxf_write_trailer().

static int gxf_write_trailer ( AVFormatContext *  s )

static

Definition at line 822 of file gxfenc.c.

static int gxf_parse_mpeg_frame ( GXFStreamContext *  sc, const uint8_t *  buf, int  size  )

static

Definition at line 854 of file gxfenc.c.

Referenced by gxf_write_media_preamble().

static int gxf_write_media_preamble ( AVFormatContext *  s, AVPacket *  pkt, int  size  )

static

Definition at line 866 of file gxfenc.c.

Referenced by gxf_write_packet().

static int gxf_write_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 913 of file gxfenc.c.

static int gxf_compare_field_nb ( AVFormatContext *  s, AVPacket *  next, AVPacket *  cur  )

static

Definition at line 956 of file gxfenc.c.

Referenced by gxf_interleave_packet().

static int gxf_interleave_packet ( AVFormatContext *  s, AVPacket *  out, AVPacket *  pkt, int  flush  )

static

Definition at line 978 of file gxfenc.c.

Variable Documentation

int height

Definition at line 89 of file gxfenc.c.

int index

Definition at line 89 of file gxfenc.c.

Referenced by aac_encode_init(), adpcm_decode_frame(), alac_linear_predictor(), alloc_table(), ape_read_seek(), apply_dependent_coupling(), apply_independent_coupling(), asf_read_seek(), asv1_encode_block(), asv1_put_level(), asv2_encode_block(), asv2_put_level(), av_get_standard_channel_layout(), av_parser_parse2(), av_shr_i(), avfilter_graph_parse2(), avfilter_graph_parse_ptr(), avformat_match_stream_specifier(), avi_read_idx1(), avi_read_seek(), avs_array_elt(), build_basis(), build_def_list(), build_frame_code(), build_table(), callback(), categorize(), cdxl_decode_ham6(), cdxl_decode_ham8(), check_4block_inter(), check_block(), codec2subblock(), comp_block(), comp_interp_index(), compute_scale_factors(), copy_TMPL(), decode(), decode_cabac_luma_residual(), decode_cabac_residual_internal(), decode_fixed_sparse(), decode_gain_info(), decode_i2_frame(), decode_init(), decode_luma_residual(), decode_p_block(), decode_q_branch(), decode_vectors(), direct_search(), dnxhd_encode_init(), dnxhd_init_vlc(), draw_glyph(), dv_decode_ac(), encode_dc(), encode_q_branch(), encode_q_branch2(), execute_code(), ff_add_index_entry(), ff_fft_lut_init(), ff_gmc_c(), ff_h261_reorder_mb_index(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_decode_ref_pic_list_reordering(), ff_huffyuv_generate_bits_table(), ff_init_ff_cos_tabs(), ff_mjpeg_decode_dht(), ff_mjpeg_decode_dqt(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_sos(), ff_mov_init_hinting(), ff_mpeg1_encode_init(), ff_seek_frame_binary(), ff_srtp_decrypt(), ff_srtp_encrypt(), filter(), finish_file(), gather_data_for_cel(), gen_fcb_excitation(), get(), get_bits1(), get_block_bits(), get_block_rate(), get_dc(), get_mvdata_interlaced(), get_rl_index(), get_sample_rate(), heap_bubble_down(), heap_bubble_up(), hpel_motion_search(), idct_put(), img_read_seek(), init_pass2(), init_uni_h263_rl_tab(), init_uni_mpeg4_rl_tab(), interpolate_delay(), iterative_me(), lag_decode_line(), libAVMemInputPin_Receive(), libopenjpeg_copy_to_packed16(), libopenjpeg_copy_to_packed8(), libopenjpeg_copyto16(), libopenjpeg_copyto8(), libopenjpeg_guess_pix_fmt(), lsp2lpc(), matroska_add_index_entries(), matroska_read_seek(), mov_create_timecode_track(), mov_write_stsc_tag(), mov_write_stss_tag(), mov_write_tfrf_tag(), mpc8_read_seek(), mpc_read_seek(), mpeg4_encode_block(), mpeg4_get_block_length(), mv_read_packet(), mxf_compute_ptses_fake_index(), mxf_decrypt_triplet(), mxf_edit_unit_absolute_offset(), mxf_read_packet_old(), nsv_read_seek(), nut_write_packet(), open_filter_param(), open_output_file(), output_client_manifest(), paf_vid_decode(), parse_forced_key_frames(), probe(), process_block(), qpel_motion_search(), quantize(), read_seek(), rematrix_channels(), resample(), resample_one(), resampleCubic(), resampleLinear(), rl2_read_seek(), rpza_decode_stream(), rtsp_send_reply(), sad_hpel_motion_search(), scalar_dequant_float(), seek_frame_generic(), set(), set_blocks(), small_diamond_search(), snow_set_blocks(), store_table(), svq3_decode_block(), svq3_decode_mb(), swri_resample_TMPL(), synthfilt_build_sb_samples(), tak_parse(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), tta_read_seek(), update_palette_index(), value_string(), vc1_decode_ac_coeff(), vc1_decode_b_mb(), vc1_decode_p_mb(), vqa_decode_chunk(), wma_decode_block(), write_manifest(), wv_read_seek(), and xan_wc3_output_pixel_run().

struct { ... } gxf_lines_tab[]

Initial value:

= {
    { 480,  1 }, 
    { 512,  1 }, 
    { 576,  2 }, 
    { 608,  2 }, 
    { 1080, 4 },
    { 720,  6 },
}

Referenced by gxf_find_lines_index().

const AVCodecTag gxf_media_types[]

static

Initial value:

= {
    { AV_CODEC_ID_MJPEG     ,   3 }, 
    { AV_CODEC_ID_MJPEG     ,   4 }, 
    { AV_CODEC_ID_PCM_S24LE ,   9 },
    { AV_CODEC_ID_PCM_S16LE ,  10 },
    { AV_CODEC_ID_MPEG2VIDEO,  11 }, 
    { AV_CODEC_ID_MPEG2VIDEO,  12 }, 
    { AV_CODEC_ID_DVVIDEO   ,  13 }, 
    { AV_CODEC_ID_DVVIDEO   ,  14 }, 
    { AV_CODEC_ID_DVVIDEO   ,  15 }, 
    { AV_CODEC_ID_DVVIDEO   ,  16 }, 
    { AV_CODEC_ID_AC3       ,  17 },
    
    { AV_CODEC_ID_MPEG2VIDEO,  20 }, 
    { AV_CODEC_ID_MPEG1VIDEO,  22 }, 
    { AV_CODEC_ID_MPEG1VIDEO,  23 }, 
    { AV_CODEC_ID_NONE,         0 },
}

Definition at line 99 of file gxfenc.c.

const int GXF_samples_per_frame[] = { 32768, 0 }

static

Definition at line 641 of file gxfenc.c.

Referenced by gxf_write_header().

AVOutputFormat ff_gxf_muxer

Initial value:

= {
    .name              = "gxf",
    .long_name         = NULL_IF_CONFIG_SMALL("GXF (General eXchange Format)"),
    .extensions        = "gxf",
    .priv_data_size    = sizeof(GXFContext),
    .audio_codec       = AV_CODEC_ID_PCM_S16LE,
    .video_codec       = AV_CODEC_ID_MPEG2VIDEO,
    .write_header      = gxf_write_header,
    .write_packet      = gxf_write_packet,
    .write_trailer     = gxf_write_trailer,
    .interleave_packet = gxf_interleave_packet,
}

Definition at line 986 of file gxfenc.c.