#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include "group_video.h"
#include <xine/xine_internal.h>
#include <xine/xineutils.h>
#include <xine/demux.h>
#include "bswap.h"

Data Structures
struct	video_index_entry_t

struct	audio_index_entry_t

struct	_avisuperindex_entry

struct	_avistdindex_entry

struct	_avistdindex_chunk

struct	_avisuperindex_chunk

struct	video_index_t

struct	audio_index_t

struct	idx_grow_t

struct	avi_audio_t

struct	avi_t

struct	demux_avi_s

Macros
#define	LOG_MODULE "demux_avi"

#define	LOG_VERBOSE

#define	AVIIF_KEYFRAME 0x00000010L

#define	MAX_AUDIO_STREAMS 8

#define	NUM_PREVIEW_BUFFERS 10

#define	AVI_INDEX_OF_INDEXES 0x00 /* when each entry in aIndex */

#define	AVI_INDEX_OF_CHUNKS 0x01 /* when each entry in aIndex */

#define	AVI_INDEX_IS_DATA 0x80 /* when each entry is aIndex is */

#define	AVI_INDEX_2FIELD 0x01 /* when fields within frames */

#define	AVI_ERR_SIZELIM

#define	AVI_ERR_OPEN

#define	AVI_ERR_READ 3 /* Error reading from AVI File */

#define	AVI_ERR_WRITE

#define	AVI_ERR_WRITE_INDEX

#define	AVI_ERR_CLOSE

#define	AVI_ERR_NOT_PERM

#define	AVI_ERR_NO_MEM 8 /* malloc failed */

#define	AVI_ERR_NO_AVI 9 /* Not an AVI file */

#define	AVI_ERR_NO_HDRL

#define	AVI_ERR_NO_MOVI

#define	AVI_ERR_NO_VIDS 12 /* AVI file contains no video data */

#define	AVI_ERR_NO_IDX

#define	AVI_ERR_BAD_SIZE 14 /* A chunk has an invalid size */

#define	AVI_HEADER_UNKNOWN -1

#define	AVI_HEADER_AUDIO 0

#define	AVI_HEADER_VIDEO 1

#define	AVI_HEADER_SIZE 8

#define	WRAP_THRESHOLD 90000

#define	PTS_AUDIO 0

#define	PTS_VIDEO 1

#define	PAD_EVEN(x) ( ((x)+1) & ~1 )

#define	ERR_EXIT(x)

Typedefs
typedef struct _avisuperindex_entry	avisuperindex_entry

typedef struct _avistdindex_entry	avistdindex_entry

typedef struct _avistdindex_chunk	avistdindex_chunk

typedef struct _avisuperindex_chunk	avisuperindex_chunk

typedef struct demux_avi_s	demux_avi_t

Functions
static uint32_t	odml_len (unsigned char *str)

static uint32_t	odml_key (unsigned char *str)

static void	check_newpts (demux_avi_t *this, int64_t pts, int video)

static int	video_index_append (avi_t *AVI, off_t pos, uint32_t len, uint32_t flags)

static int	audio_index_append (avi_t *AVI, int stream, off_t pos, uint32_t len, off_t tot, uint32_t block_no)

static int64_t	get_audio_pts (demux_avi_t *this, int track, uint32_t posc, off_t postot, uint32_t posb)

static int64_t	get_video_pts (demux_avi_t *this, off_t pos)

static int	video_pos_stopper (demux_avi_t this, void data)

static int	audio_pos_stopper (demux_avi_t this, void data)

static int	start_pos_stopper (demux_avi_t this, void data)

static int	start_time_stopper (demux_avi_t this, void data)

static int	idx_grow (demux_avi_t this, int(stopper)(demux_avi_t , void ), void *stopdata)

static video_index_entry_t *	video_cur_index_entry (demux_avi_t *this)

static audio_index_entry_t *	audio_cur_index_entry (demux_avi_t this, avi_audio_t AVI_A)

static void	free_superindex (avisuperindex_chunk **p)

static void	AVI_close (avi_t *AVI)

static void	reset_idx (demux_avi_t this, avi_t AVI)

static avi_t *	AVI_init (demux_avi_t *this)

static void	AVI_seek_start (avi_t *AVI)

static int	AVI_read_audio (demux_avi_t this, avi_audio_t AVI_A, char audbuf, uint32_t bytes, int buf_flags)

static int	AVI_read_video (demux_avi_t this, avi_t AVI, char vidbuf, uint32_t bytes, int buf_flags)

static int	demux_avi_next (demux_avi_t *this, int decoder_flags)

static int	get_chunk_header (demux_avi_t this, uint32_t len, int *audio_stream)

static int	demux_avi_next_streaming (demux_avi_t *this, int decoder_flags)

static int	demux_avi_seek_internal (demux_avi_t *this)

static int	demux_avi_send_chunk (demux_plugin_t *this_gen)

static void	demux_avi_dispose (demux_plugin_t *this_gen)

static int	demux_avi_get_status (demux_plugin_t *this_gen)

static void	demux_avi_send_headers (demux_plugin_t *this_gen)

static int	demux_avi_seek (demux_plugin_t *this_gen, off_t start_pos, int start_time, int playing)

static int	demux_avi_get_stream_length (demux_plugin_t *this_gen)

static uint32_t	demux_avi_get_capabilities (demux_plugin_t *this_gen)

static int	demux_avi_get_optional_data (demux_plugin_t this_gen, void data, int data_type)

static demux_plugin_t *	open_plugin (demux_class_t class_gen, xine_stream_t stream, input_plugin_t *input)

void *	demux_avi_init_class (xine_t xine, const void data)

Macro Definition Documentation

◆ AVI_ERR_BAD_SIZE

#define AVI_ERR_BAD_SIZE 14 /* A chunk has an invalid size */

◆ AVI_ERR_CLOSE

#define AVI_ERR_CLOSE

Value:

                                      6     /* Could not write header to AVI file
                                      or not truncate the file during close,
                                      file is most probably corrupted */

◆ AVI_ERR_NO_AVI

#define AVI_ERR_NO_AVI 9 /* Not an AVI file */

◆ AVI_ERR_NO_HDRL

#define AVI_ERR_NO_HDRL

Value:

10 /* AVI file has no header list,

corrupted ??? */

◆ AVI_ERR_NO_IDX

#define AVI_ERR_NO_IDX

Value:

                                      13     /* The file has been opened with
                                      getIndex==0, but an operation has been
                                      performed that needs an index */

◆ AVI_ERR_NO_MEM

#define AVI_ERR_NO_MEM 8 /* malloc failed */

◆ AVI_ERR_NO_MOVI

#define AVI_ERR_NO_MOVI

Value:

11 /* AVI file has no MOVI list,

corrupted ??? */

◆ AVI_ERR_NO_VIDS

#define AVI_ERR_NO_VIDS 12 /* AVI file contains no video data */

◆ AVI_ERR_NOT_PERM

#define AVI_ERR_NOT_PERM

Value:

                                      7     /* Operation not permitted:
                                      trying to read from a file open
                                      for writing or vice versa */

◆ AVI_ERR_OPEN

#define AVI_ERR_OPEN

Value:

2 /* Error opening the AVI file - wrong path

name or file nor readable/writable */

◆ AVI_ERR_READ

#define AVI_ERR_READ 3 /* Error reading from AVI File */

◆ AVI_ERR_SIZELIM

#define AVI_ERR_SIZELIM

Value:

                                      1     /* The write of the data would exceed
                                      the maximum size of the AVI file.
                                      This is more a warning than an error
                                      since the file may be closed safely */

◆ AVI_ERR_WRITE

#define AVI_ERR_WRITE

Value:

4 /* Error writing to AVI File,

disk full ??? */

◆ AVI_ERR_WRITE_INDEX

#define AVI_ERR_WRITE_INDEX

Value:

                                      5     /* Could not write index to AVI file
                                      during close, file may still be
                                      usable */

◆ AVI_HEADER_AUDIO

#define AVI_HEADER_AUDIO 0

◆ AVI_HEADER_SIZE

#define AVI_HEADER_SIZE 8

◆ AVI_HEADER_UNKNOWN

#define AVI_HEADER_UNKNOWN -1

◆ AVI_HEADER_VIDEO

#define AVI_HEADER_VIDEO 1

◆ AVI_INDEX_2FIELD

#define AVI_INDEX_2FIELD 0x01 /* when fields within frames */

◆ AVI_INDEX_IS_DATA

#define AVI_INDEX_IS_DATA 0x80 /* when each entry is aIndex is */

◆ AVI_INDEX_OF_CHUNKS

#define AVI_INDEX_OF_CHUNKS 0x01 /* when each entry in aIndex */

◆ AVI_INDEX_OF_INDEXES

#define AVI_INDEX_OF_INDEXES 0x00 /* when each entry in aIndex */

◆ AVIIF_KEYFRAME

#define AVIIF_KEYFRAME 0x00000010L

◆ ERR_EXIT

#define ERR_EXIT ( x )

Value:

do {                    \
   this->AVI_errno = x; \
   free (AVI);  \
   return 0;            \
} while(0)

◆ LOG_MODULE

#define LOG_MODULE "demux_avi"

◆ LOG_VERBOSE

#define LOG_VERBOSE

◆ MAX_AUDIO_STREAMS

#define MAX_AUDIO_STREAMS 8

◆ NUM_PREVIEW_BUFFERS

#define NUM_PREVIEW_BUFFERS 10

◆ PAD_EVEN

#define PAD_EVEN ( x ) ( ((x)+1) & ~1 )

◆ PTS_AUDIO

#define PTS_AUDIO 0

◆ PTS_VIDEO

#define PTS_VIDEO 1

◆ WRAP_THRESHOLD

#define WRAP_THRESHOLD 90000

Typedef Documentation

◆ avistdindex_chunk

typedef struct _avistdindex_chunk avistdindex_chunk

◆ avistdindex_entry

typedef struct _avistdindex_entry avistdindex_entry

◆ avisuperindex_chunk

typedef struct _avisuperindex_chunk avisuperindex_chunk

◆ avisuperindex_entry

typedef struct _avisuperindex_entry avisuperindex_entry

◆ demux_avi_t

typedef struct demux_avi_s demux_avi_t

Function Documentation

◆ audio_cur_index_entry()

static audio_index_entry_t* audio_cur_index_entry	(	demux_avi_t *	this,
		avi_audio_t *	AVI_A
	)

static

References idx_grow(), NULL, video_index_t::video_frames, avi_t::video_idx, video_pos_stopper(), avi_t::video_posf, and video_index_t::vindex.

◆ audio_index_append()

static int audio_index_append	(	avi_t *	AVI,
		int	stream,
		off_t	pos,
		uint32_t	len,
		off_t	tot,
		uint32_t	block_no
	)

static

◆ audio_pos_stopper()

static int audio_pos_stopper	(	demux_avi_t *	this,
		void *	data
	)

static

◆ AVI_close()

static void AVI_close ( avi_t * AVI )

static

References NULL.

Referenced by demux_avi_send_headers().

◆ AVI_init()

static avi_t* AVI_init ( demux_avi_t * this )

static

References avi_t::audio, audio_index_t::audio_chunks, avi_audio_t::audio_idx, idx_grow(), avi_t::movi_start, avi_t::n_audio, video_index_t::video_frames, and avi_t::video_idx.

◆ AVI_read_audio()

static int AVI_read_audio	(	demux_avi_t *	this,
		avi_audio_t *	AVI_A,
		char *	audbuf,
		uint32_t	bytes,
		int *	buf_flags
	)

static

◆ AVI_read_video()

static int AVI_read_video	(	demux_avi_t *	this,
		avi_t *	AVI,
		char *	vidbuf,
		uint32_t	bytes,
		int *	buf_flags
	)

static

◆ AVI_seek_start()

static void AVI_seek_start ( avi_t * AVI )

static

◆ check_newpts()

static void check_newpts	(	demux_avi_t *	this,
		int64_t	pts,
		int	video
	)

static

References _X_LE_32.

◆ demux_avi_dispose()

static void demux_avi_dispose ( demux_plugin_t * this_gen )

static

◆ demux_avi_get_capabilities()

static uint32_t demux_avi_get_capabilities ( demux_plugin_t * this_gen )

static

◆ demux_avi_get_optional_data()

static int demux_avi_get_optional_data	(	demux_plugin_t *	this_gen,
		void *	data,
		int	data_type
	)

static

References get_video_pts().

◆ demux_avi_get_status()

static int demux_avi_get_status ( demux_plugin_t * this_gen )

static

◆ demux_avi_get_stream_length()

static int demux_avi_get_stream_length ( demux_plugin_t * this_gen )

static

◆ demux_avi_init_class()

void* demux_avi_init_class	(	xine_t *	xine,
		const void *	data
	)

◆ demux_avi_next()

static int demux_avi_next	(	demux_avi_t *	this,
		int	decoder_flags
	)

static

◆ demux_avi_next_streaming()

static int demux_avi_next_streaming	(	demux_avi_t *	this,
		int	decoder_flags
	)

static

◆ demux_avi_seek()

static int demux_avi_seek	(	demux_plugin_t *	this_gen,
		off_t	start_pos,
		int	start_time,
		int	playing
	)

static

◆ demux_avi_seek_internal()

static int demux_avi_seek_internal ( demux_avi_t * this )

static

References _x_demux_flush_engine(), and DEMUX_OK.

◆ demux_avi_send_chunk()

static int demux_avi_send_chunk ( demux_plugin_t * this_gen )

static

◆ demux_avi_send_headers()

static void demux_avi_send_headers ( demux_plugin_t * this_gen )

static

References AVI_close().

◆ free_superindex()

static void free_superindex ( avisuperindex_chunk ** p )

static

References audio_index_t::audio_chunks, avi_audio_t::audio_idx, avi_audio_t::audio_posc, and lprintf.

◆ get_audio_pts()

static int64_t get_audio_pts	(	demux_avi_t *	this,
		int	track,
		uint32_t	posc,
		off_t	postot,
		uint32_t	posb
	)

static

◆ get_chunk_header()

static int get_chunk_header	(	demux_avi_t *	this,
		uint32_t *	len,
		int *	audio_stream
	)

static

◆ get_video_pts()

static int64_t get_video_pts	(	demux_avi_t *	this,
		off_t	pos
	)

static

Referenced by demux_avi_get_optional_data().

◆ idx_grow()

static int idx_grow	(	demux_avi_t *	this,
		int()(demux_avi_t , void *)	stopper,
		void *	stopdata
	)

static

Referenced by audio_cur_index_entry(), and AVI_init().

◆ odml_key()

static uint32_t odml_key ( unsigned char * str )

static

◆ odml_len()

static uint32_t odml_len ( unsigned char * str )

static

◆ open_plugin()

static demux_plugin_t* open_plugin	(	demux_class_t *	class_gen,
		xine_stream_t *	stream,
		input_plugin_t *	input
	)

static

◆ reset_idx()

static void reset_idx	(	demux_avi_t *	this,
		avi_t *	AVI
	)

static

◆ start_pos_stopper()

static int start_pos_stopper	(	demux_avi_t *	this,
		void *	data
	)

static

References audio_index_t::audio_chunks, avi_audio_t::audio_idx, and avi_audio_t::audio_posc.

◆ start_time_stopper()

static int start_time_stopper	(	demux_avi_t *	this,
		void *	data
	)

static

References AVIIF_KEYFRAME.

◆ video_cur_index_entry()

static video_index_entry_t* video_cur_index_entry ( demux_avi_t * this )

static

◆ video_index_append()

static int video_index_append	(	avi_t *	AVI,
		off_t	pos,
		uint32_t	len,
		uint32_t	flags
	)

static

◆ video_pos_stopper()

static int video_pos_stopper	(	demux_avi_t *	this,
		void *	data
	)

static

Referenced by audio_cur_index_entry().

Data Structures

Macros

Typedefs

Functions

Macro Definition Documentation

◆ AVI_ERR_BAD_SIZE

◆ AVI_ERR_CLOSE

◆ AVI_ERR_NO_AVI

◆ AVI_ERR_NO_HDRL

◆ AVI_ERR_NO_IDX

◆ AVI_ERR_NO_MEM

◆ AVI_ERR_NO_MOVI

◆ AVI_ERR_NO_VIDS

◆ AVI_ERR_NOT_PERM

◆ AVI_ERR_OPEN

◆ AVI_ERR_READ

◆ AVI_ERR_SIZELIM

◆ AVI_ERR_WRITE

◆ AVI_ERR_WRITE_INDEX

◆ AVI_HEADER_AUDIO

◆ AVI_HEADER_SIZE

◆ AVI_HEADER_UNKNOWN

◆ AVI_HEADER_VIDEO

◆ AVI_INDEX_2FIELD

◆ AVI_INDEX_IS_DATA

◆ AVI_INDEX_OF_CHUNKS

◆ AVI_INDEX_OF_INDEXES

◆ AVIIF_KEYFRAME

◆ ERR_EXIT

◆ LOG_MODULE

◆ LOG_VERBOSE

◆ MAX_AUDIO_STREAMS

◆ NUM_PREVIEW_BUFFERS

◆ PAD_EVEN

◆ PTS_AUDIO

◆ PTS_VIDEO

◆ WRAP_THRESHOLD

Typedef Documentation

◆ avistdindex_chunk

◆ avistdindex_entry

◆ avisuperindex_chunk

◆ avisuperindex_entry

◆ demux_avi_t

Function Documentation

◆ audio_cur_index_entry()

◆ audio_index_append()

◆ audio_pos_stopper()

◆ AVI_close()

◆ AVI_init()

◆ AVI_read_audio()

◆ AVI_read_video()

◆ AVI_seek_start()

◆ check_newpts()

◆ demux_avi_dispose()

◆ demux_avi_get_capabilities()

◆ demux_avi_get_optional_data()

◆ demux_avi_get_status()

◆ demux_avi_get_stream_length()

◆ demux_avi_init_class()

◆ demux_avi_next()

◆ demux_avi_next_streaming()

◆ demux_avi_seek()

◆ demux_avi_seek_internal()

◆ demux_avi_send_chunk()

◆ demux_avi_send_headers()

◆ free_superindex()

◆ get_audio_pts()

◆ get_chunk_header()

◆ get_video_pts()

◆ idx_grow()

◆ odml_key()

◆ odml_len()

◆ open_plugin()

◆ reset_idx()

◆ start_pos_stopper()

◆ start_time_stopper()

◆ video_cur_index_entry()

◆ video_index_append()

◆ video_pos_stopper()