VC9 Macroblock-level functions in Simple/Main Profiles

Functions
static int	vc9_coded_block_pred (MpegEncContext *s, int n, uint8_t **coded_block_ptr)
int	vc9_decode_i_mb (VC9Context *v, DCTELEM block[6][64])
int	vc9_decode_p_mb (VC9Context *v, DCTELEM block[6][64])
int	vc9_decode_b_mb (VC9Context *v, DCTELEM block[6][64])
static int	standard_decode_mbs (VC9Context *v)

---

Detailed Description

See also:

7.1.4, p91 and 8.1.1.7, p(1)04

Todo:

TODO: Integrate to MpegEncContext facilities

---

Function Documentation

static int standard_decode_mbs

(

VC9Context *

v

)

[static]

Decode all MBs for an I frame in Simple/Main profile

Todo:

TODO: Move out of the loop the picture type case? (branch prediction should help there though)

Definition at line 2248 of file vc9.c.

References B_TYPE, BI_TYPE, MpegEncContext::block, I_TYPE, VC9Context::k_x, VC9Context::k_y, MpegEncContext::mb_height, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, MpegEncContext::mspel, VC9Context::mv_mode, VC9Context::mvrange, P_TYPE, MpegEncContext::pict_type, VC9Context::pq, VC9Context::s, s, VC9Context::tt_index, VC9Context::ttblk4x4, vc9_decode_b_mb(), vc9_decode_i_mb(), and vc9_decode_p_mb().

Referenced by vc9_decode_frame().

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static int vc9_coded_block_pred	(	MpegEncContext *	s,
		int	n,
		uint8_t **	coded_block_ptr
	)			[inline, static]

Definition at line 1953 of file vc9.c.

References a, b, MpegEncContext::b8_stride, MpegEncContext::block_index, c, MpegEncContext::coded_block, and pred().

Referenced by vc9_decode_i_mb(), and vc9_decode_p_mb().

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int vc9_decode_b_mb	(	VC9Context *	v,
		DCTELEM	block[6][64]
	)

Decode one B-frame MB (in Simple/Main profile)

Todo:

TODO: Extend to AP

Warning:

XXX: Used for decoding BI MBs FIXME: DC value for inter blocks not set

Definition at line 2163 of file vc9.c.

References MpegEncContext::ac_pred, VC9Context::bfraction, BMV_TYPE_BACKWARD, BMV_TYPE_INTERPOLATED, BitPlane::data, decode012(), VC9Context::direct_mb_plane, MpegEncContext::gb, get_bits(), GET_MQUANT, GET_MVDATA, get_vlc2(), BitPlane::is_raw, MpegEncContext::mb_intra, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, VC9Context::pq, VC9Context::s, s, VC9Context::skip_mb_plane, VLC::table, VC9Context::tt_index, VC9Context::ttmbf, vc9_decode_block(), and VC9_TTMB_VLC_BITS.

Referenced by standard_decode_mbs().

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int vc9_decode_i_mb	(	VC9Context *	v,
		DCTELEM	block[6][64]
	)

Decode one I-frame MB (in Simple/Main profile)

Todo:

TODO: Extend to AP

Definition at line 1982 of file vc9.c.

References MpegEncContext::ac_pred, av_log(), AV_LOG_ERROR, MpegEncContext::avctx, MpegEncContext::current_picture, MpegEncContext::gb, get_bits(), get_vlc2(), MpegEncContext::mb_intra, MB_INTRA_VLC_BITS, MpegEncContext::mb_stride, MpegEncContext::mb_x, MpegEncContext::mb_y, VC9Context::pq, pred(), VC9Context::s, VLC::table, vc9_coded_block_pred(), and vc9_decode_block().

Referenced by standard_decode_mbs().

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int vc9_decode_p_mb	(	VC9Context *	v,
		DCTELEM	block[6][64]
	)

Decode one P-frame MB (in Simple/Main profile)

Todo:

TODO: Extend to AP FIXME: DC value for inter blocks not set

Definition at line 2016 of file vc9.c.

References MpegEncContext::ac_pred, MpegEncContext::block_index, VC9Context::cbpcy_vlc, MpegEncContext::coded_block, BitPlane::data, MpegEncContext::gb, get_bits(), GET_MQUANT, GET_MVDATA, get_vlc2(), BitPlane::is_raw, MpegEncContext::mb_intra, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, VC9Context::mv_mode, MV_PMODE_1MV, MV_PMODE_MIXED_MV, VC9Context::mv_type_mb_plane, VC9Context::pq, pred(), VC9Context::s, s, VC9Context::skip_mb_plane, VLC::table, VC9Context::tt_index, VC9Context::ttmbf, VC9_CBPCY_P_VLC_BITS, vc9_coded_block_pred(), vc9_decode_block(), and VC9_TTMB_VLC_BITS.

Referenced by standard_decode_mbs().

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