All VC9 profiles frame header

Part of the frame header decoding from all profiles. More...

Functions
static int	decode_b_picture_primary_header (VC9Context *v)
static int	decode_b_picture_secondary_header (VC9Context *v)
static int	decode_i_picture_primary_header (VC9Context *v)
static int	decode_i_picture_secondary_header (VC9Context *v)
static int	decode_p_picture_primary_header (VC9Context *v)
static int	decode_p_picture_secondary_header (VC9Context *v)

---

Detailed Description

Part of the frame header decoding from all profiles.

Warning:

Only pro/epilog differs between Simple/Main and Advanced => check caller

---

Function Documentation

static int decode_b_picture_primary_header

(

VC9Context *

v

)

[static]

B and BI frame header decoding, primary part

See also:

Tables 11+12, p62-65

Parameters:

v

VC9 context

Returns:

Status

Warning:

Also handles BI frames

Definition at line 1177 of file vc9.c.

References av_log(), AV_LOG_ERROR, MpegEncContext::avctx, VC9Context::bfraction, BI_TYPE, VC9Context::buffer_fullness, VC9Context::extended_mv, FRAME_SKIPPED, MpegEncContext::gb, get_bits(), get_prefix(), get_vlc2(), VC9Context::halfpq, VC9Context::mv_mode, VC9Context::mvrange, MpegEncContext::pict_type, VC9Context::pq, pquant_table, VC9Context::pquantizer, VC9Context::profile, PROFILE_ADVANCED, PROFILE_SIMPLE, QUANT_FRAME_EXPLICIT, QUANT_FRAME_IMPLICIT, VC9Context::quantizer_mode, VC9Context::s, VLC::table, vc9_bfraction_lut, and VC9_BFRACTION_VLC_BITS.

Referenced by standard_decode_picture_primary_header().

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static int decode_b_picture_secondary_header

(

VC9Context *

v

)

[static]

B and BI frame header decoding, secondary part

See also:

Tables 11+12, p62-65

Parameters:

v

VC9 context

Returns:

Status

Warning:

Also handles BI frames

To call once all MB arrays are allocated

Todo:

Support Advanced Profile headers

Definition at line 1263 of file vc9.c.

References av_log(), AV_LOG_DEBUG, AV_LOG_INFO, MpegEncContext::avctx, bitplane_decoding(), VC9Context::cbpcy_vlc, VC9Context::direct_mb_plane, VC9Context::dquant, MpegEncContext::gb, get_bits(), VC9Context::mv_mode, MV_PMODE_MIXED_MV, MpegEncContext::mv_table_index, VC9Context::mv_type_mb_plane, VC9Context::s, VC9Context::skip_mb_plane, VC9Context::ttfrm, VC9Context::ttmbf, vop_dquant_decoding(), and VC9Context::vstransform.

Referenced by standard_decode_picture_secondary_header().

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static int decode_i_picture_primary_header

(

VC9Context *

v

)

[static]

I frame header decoding, primary part

See also:

Tables 5+7, p53-54 and 55-57

Parameters:

v

VC9 context

Returns:

Status

Todo:

Support Advanced Profile headers

Definition at line 1323 of file vc9.c.

References av_log(), AV_LOG_DEBUG, MpegEncContext::avctx, MpegEncContext::gb, get_bits(), VC9Context::halfpq, VC9Context::pq, pquant_table, VC9Context::pquantizer, VC9Context::profile, PROFILE_ADVANCED, QUANT_FRAME_EXPLICIT, QUANT_FRAME_IMPLICIT, VC9Context::quantizer_mode, and VC9Context::s.

Referenced by standard_decode_picture_primary_header().

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static int decode_i_picture_secondary_header

(

VC9Context *

v

)

[static]

I frame header decoding, secondary part

Parameters:

v

VC9 context

Returns:

Status

Warning:

Not called in A/S/C profiles, it seems

Todo:

Support Advanced Profile headers

Definition at line 1357 of file vc9.c.

References MpegEncContext::ac_pred, av_log(), AV_LOG_DEBUG, MpegEncContext::avctx, bitplane_decoding(), MpegEncContext::gb, get_bits(), VC9Context::overlap, VC9Context::pq, VC9Context::profile, PROFILE_ADVANCED, and VC9Context::s.

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static int decode_p_picture_primary_header

(

VC9Context *

v

)

[static]

P frame header decoding, primary part

See also:

Tables 5+7, p53-54 and 55-57

Parameters:

v

VC9 context

Todo:

Support Advanced Profile headers

Returns:

Status

Definition at line 1396 of file vc9.c.

References av_log(), AV_LOG_DEBUG, MpegEncContext::avctx, VC9Context::extended_mv, MpegEncContext::gb, get_bits(), get_prefix(), VC9Context::halfpq, VC9Context::lumscale, VC9Context::lumshift, VC9Context::multires, VC9Context::mv_mode, VC9Context::mv_mode2, MV_PMODE_INTENSITY_COMP, mv_pmode_table, VC9Context::mvrange, VC9Context::pq, pquant_table, VC9Context::pquantizer, VC9Context::profile, PROFILE_ADVANCED, QUANT_FRAME_EXPLICIT, QUANT_FRAME_IMPLICIT, VC9Context::quantizer_mode, VC9Context::respic, and VC9Context::s.

Referenced by standard_decode_picture_primary_header().

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static int decode_p_picture_secondary_header

(

VC9Context *

v

)

[static]

P frame header decoding, secondary part

See also:

Tables 5+7, p53-54 and 55-57

Parameters:

v

VC9 context

Warning:

To call once all MB arrays are allocated

Returns:

Status

Definition at line 1440 of file vc9.c.

References av_log(), AV_LOG_DEBUG, AV_LOG_INFO, MpegEncContext::avctx, bitplane_decoding(), VC9Context::cbpcy_vlc, VC9Context::dquant, MpegEncContext::gb, get_bits(), VC9Context::mv_mode, VC9Context::mv_mode2, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV, MpegEncContext::mv_table_index, VC9Context::mv_type_mb_plane, VC9Context::s, VC9Context::skip_mb_plane, VC9Context::ttfrm, VC9Context::ttmbf, vop_dquant_decoding(), and VC9Context::vstransform.

Referenced by standard_decode_picture_secondary_header().

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