mpeg12.c File Reference

Real-Time Protocol MPEG 1/2 payload format parser. More...

Include dependency graph for mpeg12.c:

Data Structures
struct	rtp_mpa
struct	rtp_mpv

Macros
#define	MAX_PACKET_SIZE   (1u << 18)
#define	MPV_TWO_BIT   0x04000000u
#define	MPV_TR_MASK   0x03ff0000u
#define	MPV_AN_BIT   0x00008000u
#define	MPV_N_BIT   0x00004000u
#define	MPV_S_BIT   0x00002000u
#define	MPV_BS_BIT   0x00001000u
#define	MPV_ES_BIT   0x00000800u
#define	MPV_PT_MASK   0x00000700u
#define	MPV_FBV_BIT   0x00000080u
#define	MPV_FBC_MASK   0x00000070u
#define	MPV_FFV_BIT   0x00000008u
#define	MPV_FFC_MASK   0x00000007u
#define	EXTRACT(x, mask)   (((x) & (mask)) >> stdc_trailing_zeros(mask))

Functions
static void *	rtp_mpa_init (struct vlc_rtp_pt *pt)
static void	rtp_mpa_send (struct rtp_mpa *sys)
static void	rtp_mpa_destroy (struct vlc_rtp_pt *pt, void *data)
static void	rtp_mpa_decode (struct vlc_rtp_pt *pt, void *data, block_t *block, const struct vlc_rtp_pktinfo *restrict info)
static void *	rtp_mpv_init (struct vlc_rtp_pt *pt)
static void	rtp_mpv_send (struct rtp_mpv *sys)
static void	rtp_mpv_destroy (struct vlc_rtp_pt *pt, void *data)
static void	rtp_mpv_decode (struct vlc_rtp_pt *pt, void *data, block_t *block, const struct vlc_rtp_pktinfo *restrict info)
static void *	rtp_mp2p_init (struct vlc_rtp_pt *pt)
static void	rtp_mp2p_destroy (struct vlc_rtp_pt *pt, void *data)
static void	rtp_mp2p_decode (struct vlc_rtp_pt *pt, void *data, block_t *block, const struct vlc_rtp_pktinfo *restrict info)
static void *	rtp_mp2t_init (struct vlc_rtp_pt *pt)
static void	rtp_mp2t_destroy (struct vlc_rtp_pt *pt, void *data)
static void	rtp_mp2t_decode (struct vlc_rtp_pt *pt, void *data, block_t *block, const struct vlc_rtp_pktinfo *restrict info)
static int	rtp_mpeg12_open (vlc_object_t *obj, struct vlc_rtp_pt *pt, const struct vlc_sdp_pt *desc)
int	vlc_entry__MODULE_NAME (vlc_set_cb vlc_set, void *opaque)
const char *	vlc_entry_api_version__MODULE_NAME (void)

Variables
static const struct vlc_rtp_pt_operations	rtp_mpa_ops
static const unsigned short	pic_types [8]
static const struct vlc_rtp_pt_operations	rtp_mpv_ops
static const struct vlc_rtp_pt_operations	rtp_mp2p_ops
static const struct vlc_rtp_pt_operations	rtp_mp2t_ops

Detailed Description

Real-Time Protocol MPEG 1/2 payload format parser.

Macro Definition Documentation

EXTRACT

#define EXTRACT	(		x,
			mask
	)		(((x) & (mask)) >> stdc_trailing_zeros(mask))

MAX_PACKET_SIZE

#define MAX_PACKET_SIZE   (1u << 18)

MPV_AN_BIT

#define MPV_AN_BIT   0x00008000u

MPV_BS_BIT

#define MPV_BS_BIT   0x00001000u

MPV_ES_BIT

#define MPV_ES_BIT   0x00000800u

MPV_FBC_MASK

#define MPV_FBC_MASK   0x00000070u

MPV_FBV_BIT

#define MPV_FBV_BIT   0x00000080u

MPV_FFC_MASK

#define MPV_FFC_MASK   0x00000007u

MPV_FFV_BIT

#define MPV_FFV_BIT   0x00000008u

MPV_N_BIT

#define MPV_N_BIT   0x00004000u

MPV_PT_MASK

#define MPV_PT_MASK   0x00000700u

MPV_S_BIT

#define MPV_S_BIT   0x00002000u

MPV_TR_MASK

#define MPV_TR_MASK   0x03ff0000u

MPV_TWO_BIT

#define MPV_TWO_BIT   0x04000000u

Function Documentation

rtp_mp2p_decode()

static void rtp_mp2p_decode ( struct vlc_rtp_pt *  pt, void *  data, block_t *  block, const struct vlc_rtp_pktinfo *restrict  info  )

static

References BLOCK_FLAG_DISCONTINUITY, vlc_frame_t::i_flags, and vlc_rtp_es_send().

rtp_mp2p_destroy()

static void rtp_mp2p_destroy ( struct vlc_rtp_pt *  pt, void *  data  )

static

References vlc_rtp_es_destroy().

rtp_mp2p_init()

static void * rtp_mp2p_init ( struct vlc_rtp_pt *  pt )

static

References vlc_rtp_pt_request_mux().

rtp_mp2t_decode()

static void rtp_mp2t_decode ( struct vlc_rtp_pt *  pt, void *  data, block_t *  block, const struct vlc_rtp_pktinfo *restrict  info  )

static

References BLOCK_FLAG_DISCONTINUITY, vlc_frame_t::i_buffer, vlc_frame_t::i_flags, and vlc_rtp_es_send().

rtp_mp2t_destroy()

static void rtp_mp2t_destroy ( struct vlc_rtp_pt *  pt, void *  data  )

static

References vlc_rtp_es_destroy().

rtp_mp2t_init()

static void * rtp_mp2t_init ( struct vlc_rtp_pt *  pt )

static

References vlc_rtp_pt_request_mux().

rtp_mpa_decode()

static void rtp_mpa_decode ( struct vlc_rtp_pt *  pt, void *  data, block_t *  block, const struct vlc_rtp_pktinfo *restrict  info  )

static

References block_Alloc, block_ChainExtract, BLOCK_FLAG_CORRUPTED, BLOCK_FLAG_DISCONTINUITY, block_Release, rtp_mpa::es, rtp_mpa::frag_end, rtp_mpa::frags, GetWBE, vlc_frame_t::i_buffer, vlc_frame_t::i_flags, vlc_frame_t::i_pts, likely, MAX_PACKET_SIZE, ntoh32, rtp_mpa::offset, vlc_rtp_pt::opaque, vlc_frame_t::p_buffer, vlc_frame_t::p_next, rtp_mpa_send(), unlikely, vlc_rtp_es_send(), VLC_TICK_INVALID, and vlc_warning.

rtp_mpa_destroy()

static void rtp_mpa_destroy ( struct vlc_rtp_pt *  pt, void *  data  )

static

References rtp_mpa::es, rtp_mpa::frags, rtp_mpa_send(), unlikely, and vlc_rtp_es_destroy().

rtp_mpa_init()

static void * rtp_mpa_init ( struct vlc_rtp_pt *  pt )

static

References AUDIO_ES, rtp_mpa::es, es_format_Init(), rtp_mpa::frag_end, rtp_mpa::frags, rtp_mpa::offset, unlikely, VLC_CODEC_MPGA, and vlc_rtp_pt_request_es().

rtp_mpa_send()

static void rtp_mpa_send ( struct rtp_mpa *  sys )

static

References block_ChainGather, block_ChainRelease, rtp_mpa::es, rtp_mpa::frag_end, rtp_mpa::frags, likely, rtp_mpa::offset, and vlc_rtp_es_send().

Referenced by rtp_mpa_decode(), and rtp_mpa_destroy().

rtp_mpeg12_open()

static int rtp_mpeg12_open ( vlc_object_t *  obj, struct vlc_rtp_pt *  pt, const struct vlc_sdp_pt *  desc  )

static

References vlc_sdp_pt::name, vlc_rtp_pt::opaque, vlc_rtp_pt::ops, rtp_mp2p_ops, rtp_mp2t_ops, rtp_mpa_ops, rtp_mpv_ops, vlc_ascii_strcasecmp(), VLC_ENOTSUP, vlc_object_logger, and VLC_SUCCESS.

rtp_mpv_decode()

static void rtp_mpv_decode ( struct vlc_rtp_pt *  pt, void *  data, block_t *  block, const struct vlc_rtp_pktinfo *restrict  info  )

static

References BLOCK_FLAG_HEADER, block_Release, EXTRACT, rtp_mpv::frag_end, GetDWBE, vlc_frame_t::i_buffer, vlc_frame_t::i_flags, MAX_PACKET_SIZE, MPV_PT_MASK, MPV_S_BIT, MPV_TWO_BIT, vlc_rtp_pt::opaque, vlc_frame_t::p_buffer, vlc_frame_t::p_next, pic_types, rtp_mpv_send(), rtp_mpv::size, unlikely, and vlc_warning.

rtp_mpv_destroy()

static void rtp_mpv_destroy ( struct vlc_rtp_pt *  pt, void *  data  )

static

References rtp_mpv::es, rtp_mpv::frags, rtp_mpv_send(), unlikely, and vlc_rtp_es_destroy().

rtp_mpv_init()

static void * rtp_mpv_init ( struct vlc_rtp_pt *  pt )

static

References rtp_mpv::es, es_format_Init(), rtp_mpv::frag_end, rtp_mpv::frags, rtp_mpv::size, unlikely, VIDEO_ES, VLC_CODEC_MPGV, and vlc_rtp_pt_request_es().

rtp_mpv_send()

static void rtp_mpv_send ( struct rtp_mpv *  sys )

static

References block_ChainGather, block_ChainRelease, rtp_mpv::es, rtp_mpv::frag_end, rtp_mpv::frags, likely, rtp_mpv::size, and vlc_rtp_es_send().

Referenced by rtp_mpv_decode(), and rtp_mpv_destroy().

vlc_entry__MODULE_NAME()

int vlc_entry__MODULE_NAME	(	vlc_set_cb	vlc_set,
		void *	opaque
	)

vlc_entry_api_version__MODULE_NAME()

const char * vlc_entry_api_version__MODULE_NAME

(

void

)

Variable Documentation

pic_types

const unsigned short pic_types[8]

static

Initial value:

= {
      0x0400   ,   0x0002  ,
      0x0004  ,   0x0008  ,
      0x0002   , 0, 0, 0
}

Referenced by rtp_mpv_decode().

rtp_mp2p_ops

const struct vlc_rtp_pt_operations rtp_mp2p_ops

static

Initial value:

= {
    NULL, rtp_mp2p_init, rtp_mp2p_destroy, rtp_mp2p_decode,
}

Referenced by rtp_mpeg12_open().

rtp_mp2t_ops

const struct vlc_rtp_pt_operations rtp_mp2t_ops

static

Initial value:

= {
    NULL, rtp_mp2t_init, rtp_mp2t_destroy, rtp_mp2t_decode,
}

Referenced by rtp_mpeg12_open().

rtp_mpa_ops

const struct vlc_rtp_pt_operations rtp_mpa_ops

static

Initial value:

= {
    NULL, rtp_mpa_init, rtp_mpa_destroy, rtp_mpa_decode,
}

Referenced by rtp_mpeg12_open().

rtp_mpv_ops

const struct vlc_rtp_pt_operations rtp_mpv_ops

static

Initial value:

= {
    NULL, rtp_mpv_init, rtp_mpv_destroy, rtp_mpv_decode,
}

Referenced by rtp_mpeg12_open().