dvdvideodec.c File Reference

#include <inttypes.h>
#include <dvdnav/dvdnav.h>
#include <dvdread/dvd_reader.h>
#include <dvdread/ifo_read.h>
#include <dvdread/ifo_types.h>
#include <dvdread/nav_read.h>
#include "libavcodec/ac3_parser.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/samplefmt.h"
#include "avformat.h"
#include "avio_internal.h"
#include "avlanguage.h"
#include "demux.h"
#include "dvdclut.h"
#include "internal.h"
#include "url.h"

Go to the source code of this file.

Data Structures
struct	DVDVideoVTSVideoStreamEntry
struct	DVDVideoPGCAudioStreamEntry
struct	DVDVideoPGCSubtitleStreamEntry
struct	DVDVideoPlaybackState
struct	DVDVideoDemuxContext

Macros
#define	DVDVIDEO_MAX_PS_SEARCH_BLOCKS   128
#define	DVDVIDEO_BLOCK_SIZE   2048
#define	DVDVIDEO_TIME_BASE_Q   (AVRational) { 1, 90000 }
#define	DVDVIDEO_PTS_WRAP_BITS   32 /* VOBUs use 32 (PES allows 33) */
#define	DVDVIDEO_LIBDVDX_LOG_BUFFER_SIZE   1024
#define	PCI_START_BYTE   45 /* complement dvdread's DSI_START_BYTE */
#define	OFFSET(x)

Enumerations
enum	DVDVideoSubpictureViewport { DVDVIDEO_SUBP_VIEWPORT_FULLSCREEN , DVDVIDEO_SUBP_VIEWPORT_WIDESCREEN , DVDVIDEO_SUBP_VIEWPORT_LETTERBOX , DVDVIDEO_SUBP_VIEWPORT_PANSCAN }

Functions
static void	dvdvideo_libdvdread_log (void *opaque, dvd_logger_level_t level, const char *msg, va_list msg_va)
static void	dvdvideo_libdvdnav_log (void *opaque, dvdnav_logger_level_t level, const char *msg, va_list msg_va)
static void	dvdvideo_ifo_close (AVFormatContext *s)
static int	dvdvideo_ifo_open (AVFormatContext *s)
static int	dvdvideo_is_cell_promising (AVFormatContext *s, pgc_t *pgc, int celln)
static int	dvdvideo_is_pgc_promising (AVFormatContext *s, pgc_t *pgc)
static void	dvdvideo_menu_close (AVFormatContext *s, DVDVideoPlaybackState *state)
static int	dvdvideo_menu_open (AVFormatContext *s, DVDVideoPlaybackState *state)
static int	dvdvideo_menu_next_ps_block (AVFormatContext *s, DVDVideoPlaybackState *state, uint8_t *buf, int buf_size, int *p_is_nav_packet)
static void	dvdvideo_play_close (AVFormatContext *s, DVDVideoPlaybackState *state)
static int	dvdvideo_play_open (AVFormatContext *s, DVDVideoPlaybackState *state)
static int	dvdvideo_play_next_ps_block (AVFormatContext *s, DVDVideoPlaybackState *state, uint8_t *buf, int buf_size, int *p_is_nav_packet)
static int	dvdvideo_chapters_setup_simple (AVFormatContext *s)
static int	dvdvideo_chapters_setup_preindex (AVFormatContext *s)
static int	dvdvideo_video_stream_analyze (AVFormatContext *s, video_attr_t video_attr, DVDVideoVTSVideoStreamEntry *entry)
static int	dvdvideo_video_stream_add (AVFormatContext *s, DVDVideoVTSVideoStreamEntry *entry)
static int	dvdvideo_video_stream_setup (AVFormatContext *s)
static int	dvdvideo_audio_stream_analyze (AVFormatContext *s, audio_attr_t audio_attr, uint16_t audio_control, DVDVideoPGCAudioStreamEntry *entry)
static int	dvdvideo_audio_stream_add (AVFormatContext *s, DVDVideoPGCAudioStreamEntry *entry)
static int	dvdvideo_audio_stream_add_all (AVFormatContext *s)
static int	dvdvideo_subp_stream_analyze (AVFormatContext *s, uint32_t offset, subp_attr_t subp_attr, DVDVideoPGCSubtitleStreamEntry *entry)
static int	dvdvideo_subp_stream_add (AVFormatContext *s, DVDVideoPGCSubtitleStreamEntry *entry)
static int	dvdvideo_subp_stream_add_internal (AVFormatContext *s, uint32_t offset, subp_attr_t subp_attr, enum DVDVideoSubpictureViewport viewport)
static int	dvdvideo_subp_stream_add_all (AVFormatContext *s)
static int	dvdvideo_subdemux_read_data (void *opaque, uint8_t *buf, int buf_size)
static void	dvdvideo_subdemux_close (AVFormatContext *s)
static int	dvdvideo_subdemux_open (AVFormatContext *s)
static int	dvdvideo_subdemux_reset (AVFormatContext *s)
static int	dvdvideo_read_header (AVFormatContext *s)
static int	dvdvideo_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	dvdvideo_close (AVFormatContext *s)
static int	dvdvideo_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)

Variables
static const uint8_t	dvdvideo_nav_header [4] = { 0x00, 0x00, 0x01, 0xBF }
static const char	dvdvideo_subp_viewport_labels [4][13]
static const AVOption	dvdvideo_options []
static const AVClass	dvdvideo_class
const FFInputFormat	ff_dvdvideo_demuxer

Macro Definition Documentation

DVDVIDEO_MAX_PS_SEARCH_BLOCKS

#define DVDVIDEO_MAX_PS_SEARCH_BLOCKS   128

Definition at line 57 of file dvdvideodec.c.

Referenced by dvdvideo_play_next_ps_block().

DVDVIDEO_BLOCK_SIZE

#define DVDVIDEO_BLOCK_SIZE   2048

Definition at line 58 of file dvdvideodec.c.

Referenced by dvdvideo_chapters_setup_preindex(), dvdvideo_menu_next_ps_block(), dvdvideo_play_next_ps_block(), and dvdvideo_subdemux_open().

DVDVIDEO_TIME_BASE_Q

#define DVDVIDEO_TIME_BASE_Q   (AVRational) { 1, 90000 }

Definition at line 59 of file dvdvideodec.c.

Referenced by dvdvideo_audio_stream_add(), dvdvideo_chapters_setup_preindex(), dvdvideo_chapters_setup_simple(), dvdvideo_subp_stream_add(), and dvdvideo_video_stream_add().

DVDVIDEO_PTS_WRAP_BITS

#define DVDVIDEO_PTS_WRAP_BITS   32 /* VOBUs use 32 (PES allows 33) */

Definition at line 60 of file dvdvideodec.c.

Referenced by dvdvideo_audio_stream_add(), dvdvideo_subp_stream_add(), and dvdvideo_video_stream_add().

DVDVIDEO_LIBDVDX_LOG_BUFFER_SIZE

#define DVDVIDEO_LIBDVDX_LOG_BUFFER_SIZE   1024

Definition at line 61 of file dvdvideodec.c.

Referenced by dvdvideo_libdvdnav_log(), and dvdvideo_libdvdread_log().

PCI_START_BYTE

#define PCI_START_BYTE   45 /* complement dvdread's DSI_START_BYTE */

Definition at line 63 of file dvdvideodec.c.

Referenced by dvdvideo_menu_next_ps_block().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(DVDVideoDemuxContext, x)

Definition at line 1832 of file dvdvideodec.c.

Enumeration Type Documentation

DVDVideoSubpictureViewport

enum DVDVideoSubpictureViewport

Enumerator
DVDVIDEO_SUBP_VIEWPORT_FULLSCREEN
DVDVIDEO_SUBP_VIEWPORT_WIDESCREEN
DVDVIDEO_SUBP_VIEWPORT_LETTERBOX
DVDVIDEO_SUBP_VIEWPORT_PANSCAN

Definition at line 66 of file dvdvideodec.c.

Function Documentation

dvdvideo_libdvdread_log()

static void dvdvideo_libdvdread_log ( void * opaque, dvd_logger_level_t level, const char * msg, va_list msg_va )

static

Definition at line 177 of file dvdvideodec.c.

Referenced by dvdvideo_ifo_open().

dvdvideo_libdvdnav_log()

static void dvdvideo_libdvdnav_log ( void * opaque, dvdnav_logger_level_t level, const char * msg, va_list msg_va )

static

Definition at line 194 of file dvdvideodec.c.

Referenced by dvdvideo_play_open().

dvdvideo_ifo_close()

static void dvdvideo_ifo_close ( AVFormatContext * s )

static

Definition at line 212 of file dvdvideodec.c.

Referenced by dvdvideo_close().

dvdvideo_ifo_open()

static int dvdvideo_ifo_open ( AVFormatContext * s )

static

Definition at line 226 of file dvdvideodec.c.

Referenced by dvdvideo_read_header().

dvdvideo_is_cell_promising()

static int dvdvideo_is_cell_promising ( AVFormatContext * s, pgc_t * pgc, int celln )

static

Definition at line 307 of file dvdvideodec.c.

Referenced by dvdvideo_is_pgc_promising(), and dvdvideo_play_next_ps_block().

dvdvideo_is_pgc_promising()

static int dvdvideo_is_pgc_promising ( AVFormatContext * s, pgc_t * pgc )

static

Definition at line 314 of file dvdvideodec.c.

Referenced by dvdvideo_play_open().

dvdvideo_menu_close()

static void dvdvideo_menu_close ( AVFormatContext * s, DVDVideoPlaybackState * state )

static

Definition at line 323 of file dvdvideodec.c.

Referenced by dvdvideo_chapters_setup_preindex(), and dvdvideo_close().

dvdvideo_menu_open()

static int dvdvideo_menu_open ( AVFormatContext * s, DVDVideoPlaybackState * state )

static

Definition at line 329 of file dvdvideodec.c.

Referenced by dvdvideo_chapters_setup_preindex(), and dvdvideo_read_header().

dvdvideo_menu_next_ps_block()

static int dvdvideo_menu_next_ps_block ( AVFormatContext * s, DVDVideoPlaybackState * state, uint8_t * buf, int buf_size, int * p_is_nav_packet )

static

Definition at line 398 of file dvdvideodec.c.

Referenced by dvdvideo_chapters_setup_preindex(), and dvdvideo_subdemux_read_data().

dvdvideo_play_close()

static void dvdvideo_play_close ( AVFormatContext * s, DVDVideoPlaybackState * state )

static

Definition at line 504 of file dvdvideodec.c.

Referenced by dvdvideo_chapters_setup_preindex(), and dvdvideo_close().

dvdvideo_play_open()

static int dvdvideo_play_open ( AVFormatContext * s, DVDVideoPlaybackState * state )

static

Definition at line 518 of file dvdvideodec.c.

Referenced by dvdvideo_chapters_setup_preindex(), and dvdvideo_read_header().

dvdvideo_play_next_ps_block()

static int dvdvideo_play_next_ps_block ( AVFormatContext * s, DVDVideoPlaybackState * state, uint8_t * buf, int buf_size, int * p_is_nav_packet )

static

Definition at line 622 of file dvdvideodec.c.

Referenced by dvdvideo_chapters_setup_preindex(), and dvdvideo_subdemux_read_data().

dvdvideo_chapters_setup_simple()

static int dvdvideo_chapters_setup_simple ( AVFormatContext * s )

static

Definition at line 879 of file dvdvideodec.c.

Referenced by dvdvideo_read_header().

dvdvideo_chapters_setup_preindex()

static int dvdvideo_chapters_setup_preindex ( AVFormatContext * s )

static

Definition at line 925 of file dvdvideodec.c.

Referenced by dvdvideo_read_header().

dvdvideo_video_stream_analyze()

static int dvdvideo_video_stream_analyze ( AVFormatContext * s, video_attr_t video_attr, DVDVideoVTSVideoStreamEntry * entry )

static

Definition at line 1017 of file dvdvideodec.c.

Referenced by dvdvideo_video_stream_setup().

dvdvideo_video_stream_add()

static int dvdvideo_video_stream_add ( AVFormatContext * s, DVDVideoVTSVideoStreamEntry * entry )

static

Definition at line 1065 of file dvdvideodec.c.

Referenced by dvdvideo_video_stream_setup().

dvdvideo_video_stream_setup()

static int dvdvideo_video_stream_setup ( AVFormatContext * s )

static

Definition at line 1098 of file dvdvideodec.c.

Referenced by dvdvideo_read_header().

dvdvideo_audio_stream_analyze()

static int dvdvideo_audio_stream_analyze ( AVFormatContext * s, audio_attr_t audio_attr, uint16_t audio_control, DVDVideoPGCAudioStreamEntry * entry )

static

Definition at line 1122 of file dvdvideodec.c.

Referenced by dvdvideo_audio_stream_add_all().

dvdvideo_audio_stream_add()

static int dvdvideo_audio_stream_add ( AVFormatContext * s, DVDVideoPGCAudioStreamEntry * entry )

static

Definition at line 1225 of file dvdvideodec.c.

Referenced by dvdvideo_audio_stream_add_all().

dvdvideo_audio_stream_add_all()

static int dvdvideo_audio_stream_add_all ( AVFormatContext * s )

static

Definition at line 1258 of file dvdvideodec.c.

Referenced by dvdvideo_read_header().

dvdvideo_subp_stream_analyze()

static int dvdvideo_subp_stream_analyze ( AVFormatContext * s, uint32_t offset, subp_attr_t subp_attr, DVDVideoPGCSubtitleStreamEntry * entry )

static

Definition at line 1306 of file dvdvideodec.c.

Referenced by dvdvideo_subp_stream_add_internal().

dvdvideo_subp_stream_add()

static int dvdvideo_subp_stream_add ( AVFormatContext * s, DVDVideoPGCSubtitleStreamEntry * entry )

static

Definition at line 1333 of file dvdvideodec.c.

Referenced by dvdvideo_subp_stream_add_internal().

dvdvideo_subp_stream_add_internal()

static int dvdvideo_subp_stream_add_internal ( AVFormatContext * s, uint32_t offset, subp_attr_t subp_attr, enum DVDVideoSubpictureViewport viewport )

static

Definition at line 1367 of file dvdvideodec.c.

Referenced by dvdvideo_subp_stream_add_all().

dvdvideo_subp_stream_add_all()

static int dvdvideo_subp_stream_add_all ( AVFormatContext * s )

static

Definition at line 1394 of file dvdvideodec.c.

Referenced by dvdvideo_read_header().

dvdvideo_subdemux_read_data()

static int dvdvideo_subdemux_read_data ( void * opaque, uint8_t * buf, int buf_size )

static

Definition at line 1460 of file dvdvideodec.c.

Referenced by dvdvideo_subdemux_open().

dvdvideo_subdemux_close()

static void dvdvideo_subdemux_close ( AVFormatContext * s )

static

Definition at line 1498 of file dvdvideodec.c.

Referenced by dvdvideo_close(), and dvdvideo_subdemux_reset().

dvdvideo_subdemux_open()

static int dvdvideo_subdemux_open ( AVFormatContext * s )

static

Definition at line 1506 of file dvdvideodec.c.

Referenced by dvdvideo_read_header(), and dvdvideo_subdemux_reset().

dvdvideo_subdemux_reset()

static int dvdvideo_subdemux_reset ( AVFormatContext * s )

static

Definition at line 1540 of file dvdvideodec.c.

Referenced by dvdvideo_read_packet(), and dvdvideo_read_seek().

dvdvideo_read_header()

static int dvdvideo_read_header ( AVFormatContext * s )

static

Definition at line 1553 of file dvdvideodec.c.

dvdvideo_read_packet()

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

static

Definition at line 1631 of file dvdvideodec.c.

dvdvideo_close()

static int dvdvideo_close ( AVFormatContext * s )

static

Definition at line 1722 of file dvdvideodec.c.

dvdvideo_read_seek()

static int dvdvideo_read_seek ( AVFormatContext * s, int stream_index, int64_t timestamp, int flags )

static

Definition at line 1741 of file dvdvideodec.c.

Variable Documentation

dvdvideo_nav_header

const uint8_t dvdvideo_nav_header[4] = { 0x00, 0x00, 0x01, 0xBF }

static

Definition at line 64 of file dvdvideodec.c.

Referenced by dvdvideo_menu_next_ps_block().

dvdvideo_subp_viewport_labels

const char dvdvideo_subp_viewport_labels[4][13]

static

Initial value:

= {
    "Fullscreen", "Widescreen", "Letterbox", "Pan and Scan"
}

Definition at line 72 of file dvdvideodec.c.

Referenced by dvdvideo_subp_stream_add().

dvdvideo_options

const AVOption dvdvideo_options[]

static

Initial value:

= {
    {"angle",           "playback angle number",                                    OFFSET(opt_angle),          AV_OPT_TYPE_INT,    { .i64=1 },     1,          9,         AV_OPT_FLAG_DECODING_PARAM },
    {"chapter_end",     "exit chapter (PTT) number (0=end)",                        OFFSET(opt_chapter_end),    AV_OPT_TYPE_INT,    { .i64=0 },     0,          99,        AV_OPT_FLAG_DECODING_PARAM },
    {"chapter_start",   "entry chapter (PTT) number",                               OFFSET(opt_chapter_start),  AV_OPT_TYPE_INT,    { .i64=1 },     1,          99,        AV_OPT_FLAG_DECODING_PARAM },
    {"menu",            "demux menu domain",                                        OFFSET(opt_menu),           AV_OPT_TYPE_BOOL,   { .i64=0 },     0,          1,         AV_OPT_FLAG_DECODING_PARAM },
    {"menu_lu",         "menu language unit",                                       OFFSET(opt_menu_lu),        AV_OPT_TYPE_INT,    { .i64=1 },     1,          99,        AV_OPT_FLAG_DECODING_PARAM },
    {"menu_vts",        "menu VTS (0=VMG root menu)",                               OFFSET(opt_menu_vts),       AV_OPT_TYPE_INT,    { .i64=1 },     0,          99,        AV_OPT_FLAG_DECODING_PARAM },
    {"pg",              "entry PG number (when paired with PGC number)",            OFFSET(opt_pg),             AV_OPT_TYPE_INT,    { .i64=1 },     1,          255,       AV_OPT_FLAG_DECODING_PARAM },
    {"pgc",             "entry PGC number (0=auto)",                                OFFSET(opt_pgc),            AV_OPT_TYPE_INT,    { .i64=0 },     0,          999,       AV_OPT_FLAG_DECODING_PARAM },
    {"preindex",        "enable for accurate chapter markers, slow (2-pass read)",  OFFSET(opt_preindex),       AV_OPT_TYPE_BOOL,   { .i64=0 },     0,          1,         AV_OPT_FLAG_DECODING_PARAM },
    {"region",          "playback region number (0=free)",                          OFFSET(opt_region),         AV_OPT_TYPE_INT,    { .i64=0 },     0,          8,         AV_OPT_FLAG_DECODING_PARAM },
    {"title",           "title number (0=auto)",                                    OFFSET(opt_title),          AV_OPT_TYPE_INT,    { .i64=0 },     0,          99,        AV_OPT_FLAG_DECODING_PARAM },
    {"trim",            "trim padding cells from start",                            OFFSET(opt_trim),           AV_OPT_TYPE_BOOL,   { .i64=1 },     0,          1,         AV_OPT_FLAG_DECODING_PARAM },
    {NULL}
}

Definition at line 1833 of file dvdvideodec.c.

dvdvideo_class

const AVClass dvdvideo_class

static

Initial value:

= {
    .class_name = "DVD-Video demuxer",
    .item_name  = av_default_item_name,
    .option     = dvdvideo_options,
    .version    = LIBAVUTIL_VERSION_INT
}

Definition at line 1849 of file dvdvideodec.c.

ff_dvdvideo_demuxer

const FFInputFormat ff_dvdvideo_demuxer

Initial value:

= {
    .p.name         = "dvdvideo",
    .p.long_name    = NULL_IF_CONFIG_SMALL("DVD-Video"),
    .p.priv_class   = &dvdvideo_class,
    .p.flags        = AVFMT_SHOW_IDS | AVFMT_TS_DISCONT   | AVFMT_SEEK_TO_PTS |
                      AVFMT_NOFILE   | AVFMT_NO_BYTE_SEEK | AVFMT_NOGENSEARCH | AVFMT_NOBINSEARCH,
    .priv_data_size = sizeof(DVDVideoDemuxContext),
    .flags_internal = FF_INFMT_FLAG_INIT_CLEANUP,
    .read_close     = dvdvideo_close,
    .read_header    = dvdvideo_read_header,
    .read_packet    = dvdvideo_read_packet,
    .read_seek      = dvdvideo_read_seek
}

Definition at line 1856 of file dvdvideodec.c.