libmpeg2.c File Reference

Include dependency graph for libmpeg2.c:

Data Structures
struct	picture_dpb_t
struct	decoder_sys_t
Defines
#define	DPB_COUNT   (3+1)
Functions
static int	OpenDecoder (vlc_object_t *)
static void	CloseDecoder (vlc_object_t *)
static picture_t *	DecodeBlock (decoder_t *, block_t **)
static block_t *	GetCc (decoder_t *p_dec, bool pb_present[4])
static picture_t *	GetNewPicture (decoder_t *)
static void	PutPicture (decoder_t *, picture_t *)
static void	GetAR (decoder_t *p_dec)
static void	Reset (decoder_t *p_dec)
static void	DpbInit (decoder_t *p_dec)
	Initialize a virtual Decoded Picture Buffer to workaround libmpeg2 deficient API.
static void	DpbClean (decoder_t *p_dec)
	Empty and reset the current DPB.
static picture_t *	DpbNewPicture (decoder_t *p_dec)
	Retreive a picture and reserve a place in the DPB.
static void	DpbUnlinkPicture (decoder_t *p_dec, picture_t *p_picture)
	Unlink the provided picture and ensure that the decoder does not own it anymore.
static int	DpbDisplayPicture (decoder_t *p_dec, picture_t *p_picture)
	Mark the provided picture as displayed.
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static picture_dpb_t *	DpbFindPicture (decoder_t *p_dec, picture_t *p_picture)

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Define Documentation

#define DPB_COUNT   (3+1)

Referenced by DpbClean(), DpbFindPicture(), DpbInit(), and DpbNewPicture().

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Function Documentation

static void CloseDecoder

(

vlc_object_t *

p_this

)

[static]

References decoder_SynchroRelease(), DpbClean(), decoder_sys_t::p_gop_user_data, decoder_sys_t::p_mpeg2dec, decoder_sys_t::p_synchro, and decoder_t::p_sys.

static picture_t * DecodeBlock	(	decoder_t *	p_dec,
		block_t **	pp_block
	)			[static]

References decoder_sys_t::b_after_sequence_header, picture_t::b_force, decoder_sys_t::b_garbage_pic, decoder_t::b_pace_control, decoder_sys_t::b_preroll, decoder_sys_t::b_second_field, decoder_sys_t::b_skip, decoder_sys_t::b_slice_i, BLOCK_FLAG_CORRUPTED, BLOCK_FLAG_DISCONTINUITY, BLOCK_FLAG_PREROLL, BLOCK_FLAG_TYPE_B, BLOCK_FLAG_TYPE_I, BLOCK_FLAG_TYPE_P, block_Release(), decoder_sys_t::cc, cc_Extract(), picture_t::date, decoder_SynchroChoose(), decoder_SynchroDate(), decoder_SynchroDecode(), decoder_SynchroEnd(), decoder_SynchroInit(), decoder_SynchroNewPicture(), decoder_SynchroRelease(), decoder_SynchroReset(), decoder_SynchroTrash(), DpbClean(), DpbDisplayPicture(), DpbNewPicture(), DpbUnlinkPicture(), GetAR(), i, block_t::i_buffer, decoder_sys_t::i_cc_dts, decoder_sys_t::i_cc_flags, decoder_sys_t::i_cc_pts, I_CODING_TYPE, decoder_sys_t::i_current_dts, decoder_sys_t::i_current_pts, block_t::i_dts, block_t::i_flags, decoder_sys_t::i_gop_user_data, decoder_sys_t::i_last_frame_pts, decoder_sys_t::i_previous_dts, decoder_sys_t::i_previous_pts, block_t::i_pts, decoder_sys_t::i_sar_den, decoder_sys_t::i_sar_num, msg_Dbg, msg_Err, block_t::p_buffer, decoder_sys_t::p_gop_user_data, decoder_sys_t::p_info, decoder_sys_t::p_mpeg2dec, decoder_sys_t::p_synchro, decoder_t::p_sys, p_sys, PutPicture(), and Reset().

static void DpbClean

(

decoder_t *

p_dec

)

[static]

Empty and reset the current DPB.

References picture_dpb_t::b_displayed, picture_dpb_t::b_linked, decoder_DeletePicture(), decoder_UnlinkPicture(), DPB_COUNT, i, decoder_sys_t::p_dpb, picture_dpb_t::p_picture, and decoder_t::p_sys.

Referenced by CloseDecoder(), DecodeBlock(), and Reset().

static int DpbDisplayPicture	(	decoder_t *	p_dec,
		picture_t *	p_picture
	)			[static]

Mark the provided picture as displayed.

References picture_dpb_t::b_displayed, picture_dpb_t::b_linked, DpbFindPicture(), msg_Err, VLC_EGENERIC, and VLC_SUCCESS.

Referenced by DecodeBlock().

static picture_dpb_t* DpbFindPicture	(	decoder_t *	p_dec,
		picture_t *	p_picture
	)			[static]

References DPB_COUNT, i, decoder_sys_t::p_dpb, picture_dpb_t::p_picture, and decoder_t::p_sys.

Referenced by DpbDisplayPicture(), and DpbUnlinkPicture().

static void DpbInit

(

decoder_t *

p_dec

)

[static]

Initialize a virtual Decoded Picture Buffer to workaround libmpeg2 deficient API.

References DPB_COUNT, i, decoder_sys_t::p_dpb, picture_dpb_t::p_picture, and decoder_t::p_sys.

Referenced by OpenDecoder().

static picture_t * DpbNewPicture

(

decoder_t *

p_dec

)

[static]

Retreive a picture and reserve a place in the DPB.

References picture_dpb_t::b_displayed, picture_dpb_t::b_linked, picture_t::date, decoder_LinkPicture(), DPB_COUNT, GetNewPicture(), i, msg_Err, decoder_sys_t::p_dpb, picture_dpb_t::p_picture, and decoder_t::p_sys.

Referenced by DecodeBlock().

static void DpbUnlinkPicture	(	decoder_t *	p_dec,
		picture_t *	p_picture
	)			[static]

Unlink the provided picture and ensure that the decoder does not own it anymore.

References picture_dpb_t::b_displayed, picture_dpb_t::b_linked, decoder_DeletePicture(), decoder_UnlinkPicture(), DpbFindPicture(), msg_Err, and picture_dpb_t::p_picture.

Referenced by DecodeBlock().

static void GetAR

(

decoder_t *

p_dec

)

[static]

References decoder_t::fmt_in, video_format_t::i_sar_den, decoder_sys_t::i_sar_den, video_format_t::i_sar_num, decoder_sys_t::i_sar_num, msg_Dbg, decoder_sys_t::p_info, decoder_t::p_sys, and es_format_t::video.

Referenced by DecodeBlock().

static block_t * GetCc	(	decoder_t *	p_dec,
		bool	pb_present[4]
	)			[static]

References cc_data_t::b_reorder, BLOCK_FLAG_TYPE_B, BLOCK_FLAG_TYPE_I, BLOCK_FLAG_TYPE_P, block_New, decoder_sys_t::cc, cc_Flush(), i, decoder_sys_t::i_cc_dts, decoder_sys_t::i_cc_flags, decoder_sys_t::i_cc_pts, cc_data_t::i_data, block_t::i_dts, block_t::i_flags, block_t::i_pts, block_t::p_buffer, cc_data_t::p_data, decoder_t::p_sys, and cc_data_t::pb_present.

Referenced by OpenDecoder().

static picture_t * GetNewPicture

(

decoder_t *

p_dec

)

[static]

References picture_t::b_progressive, picture_t::b_top_field_first, decoder_NewPicture(), decoder_t::fmt_out, es_format_t::i_codec, video_format_t::i_frame_rate, video_format_t::i_frame_rate_base, video_format_t::i_height, picture_t::i_nb_fields, decoder_sys_t::i_sar_den, video_format_t::i_sar_den, decoder_sys_t::i_sar_num, video_format_t::i_sar_num, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, decoder_sys_t::p_info, decoder_t::p_sys, es_format_t::video, VLC_CODEC_I420, and VLC_CODEC_I422.

Referenced by DpbNewPicture().

static int OpenDecoder

(

vlc_object_t *

p_this

)

[static]

References decoder_sys_t::b_garbage_pic, decoder_sys_t::b_preroll, decoder_sys_t::b_second_field, decoder_sys_t::b_skip, decoder_sys_t::b_slice_i, decoder_sys_t::cc, cc_Init(), CPU_CAPABILITY_3DNOW, CPU_CAPABILITY_ALTIVEC, CPU_CAPABILITY_MMX, CPU_CAPABILITY_MMXEXT, CPU_CAPABILITY_NEON, DecodeBlock(), DpbInit(), decoder_t::fmt_in, decoder_t::fmt_out, GetCc(), es_format_t::i_cat, decoder_sys_t::i_cc_dts, decoder_sys_t::i_cc_flags, decoder_sys_t::i_cc_pts, es_format_t::i_codec, decoder_sys_t::i_current_dts, decoder_sys_t::i_current_pts, decoder_sys_t::i_gop_user_data, es_format_t::i_original_fourcc, decoder_sys_t::i_previous_dts, decoder_sys_t::i_previous_pts, decoder_sys_t::i_sar_den, decoder_sys_t::i_sar_num, msg_Err, decoder_sys_t::p_gop_user_data, decoder_sys_t::p_info, decoder_sys_t::p_mpeg2dec, decoder_sys_t::p_synchro, decoder_t::p_sys, p_sys, decoder_t::pf_decode_video, decoder_t::pf_get_cc, VIDEO_ES, VLC_CODEC_MPGV, vlc_CPU(), VLC_EGENERIC, VLC_ENOMEM, VLC_FOURCC, and VLC_SUCCESS.

static void PutPicture	(	decoder_t *	p_dec,
		picture_t *	p_picture
	)			[static]

References plane_t::i_pitch, picture_t::p, decoder_sys_t::p_mpeg2dec, plane_t::p_pixels, decoder_t::p_sys, and Y_PLANE.

Referenced by DecodeBlock().

static void Reset

(

decoder_t *

p_dec

)

[static]

References decoder_sys_t::cc, cc_Flush(), DpbClean(), decoder_sys_t::p_mpeg2dec, and decoder_t::p_sys.

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)