libavcodec/h264idct_template.c File Reference

H.264 IDCT. More...

#include "bit_depth_template.c"

Go to the source code of this file.

Defines
#define	stride   16
Functions
void FUNCC()	ff_h264_idct_add (uint8_t *_dst, DCTELEM *_block, int stride)
void FUNCC()	ff_h264_idct8_add (uint8_t *_dst, DCTELEM *_block, int stride)
void FUNCC()	ff_h264_idct_dc_add (uint8_t *p_dst, DCTELEM *block, int stride)
void FUNCC()	ff_h264_idct8_dc_add (uint8_t *p_dst, DCTELEM *block, int stride)
void FUNCC()	ff_h264_idct_add16 (uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct_add16intra (uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct8_add4 (uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct_add8 (uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct_add8_422 (uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_luma_dc_dequant_idct (DCTELEM *p_output, DCTELEM *p_input, int qmul)
	IDCT transforms the 16 dc values and dequantizes them.
void FUNCC()	ff_h264_chroma422_dc_dequant_idct (DCTELEM *_block, int qmul)
void FUNCC()	ff_h264_chroma_dc_dequant_idct (DCTELEM *_block, int qmul)
Variables
static const uint8_t	scan8 [16 *3]

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Detailed Description

H.264 IDCT.

Author:

Michael Niedermayer <michaelni@gmx.at>

Definition in file h264idct_template.c.

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Define Documentation

#define stride   16

Referenced by aasc_decode_frame(), adpcm_compress_trellis(), allocStuff(), apply_loop_filter(), avs_decode_frame(), bink_decode_plane(), binkb_decode_plane(), bitplane_decoding(), cdg_scroll(), cdg_tile_block(), check_bidir_mv(), cmp_direct_inline(), cmp_inline(), copy_picture_attributes(), decode(), decode_13(), decode_frame(), decode_i2_frame(), decode_init(), decode_p_frame(), deInterlaceBlendLinear_TMPL(), deInterlaceFF_TMPL(), deInterlaceInterpolateCubic_TMPL(), deInterlaceInterpolateLinear_TMPL(), deInterlaceL5_TMPL(), deInterlaceMedian_TMPL(), dequant(), dering_TMPL(), do_a_deblock_TMPL(), doVertDefFilter_TMPL(), doVertLowPass_TMPL(), duplicate_TMPL(), encode_frame(), ff_apply_vector_2x2(), ff_apply_vector_4x4(), ff_h263_decode_mb(), ff_h264_chroma422_dc_dequant_idct(), ff_h264_chroma_dc_dequant_idct(), ff_h264_idct8_add(), ff_h264_idct8_add4(), ff_h264_idct8_dc_add(), ff_h264_idct_add(), ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), ff_h264_idct_add8_422(), ff_h264_idct_dc_add(), ff_h264_luma_dc_dequant_idct(), ff_init_me(), ff_jpegls_decode_picture(), ff_svq3_luma_dc_dequant_idct_c(), filter(), get(), get_frame_mb(), getpix(), h263_mv4_search(), h264_v_loop_filter_luma(), hl_decode_mb_idct_luma(), hl_decode_mb_internal(), hl_decode_mb_predict_luma(), idct_put(), init_mv4_ref(), init_ref(), interlaced_search(), INTERPOLATE_METHOD(), main(), mpeg4_decode_partition_a(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), pcx_decode_frame(), postProcess_TMPL(), pp_get_context(), pred16x16_dc(), pred16x16_horizontal(), pred16x16_left_dc(), pred16x16_top_dc(), pred16x16_vertical(), pred4x4_127_dc(), pred4x4_128_dc(), pred4x4_129_dc(), pred4x4_dc(), pred4x4_down_left(), pred4x4_down_right(), pred4x4_horizontal(), pred4x4_horizontal_down(), pred4x4_horizontal_up(), pred4x4_left_dc(), pred4x4_top_dc(), pred4x4_vertical(), pred4x4_vertical_left(), pred4x4_vertical_right(), preview_obmc(), ptx_decode_frame(), put_no_rnd_pixels16_l2(), read_table(), render_slice(), rpza_decode_stream(), sad_hpel_motion_search(), skip_check(), smc_decode_stream(), sunrast_decode_frame(), tempNoiseReducer_TMPL(), txd_decode_frame(), vble_restore_plane(), vertClassify_TMPL(), vertX1Filter_TMPL(), vp56_size_changed(), w_c(), xan_wc3_copy_pixel_run(), and xan_wc3_output_pixel_run().

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Function Documentation

void FUNCC() ff_h264_chroma422_dc_dequant_idct	(	DCTELEM *	_block,
		int	qmul
	)

Definition at line 285 of file h264idct_template.c.

void FUNCC() ff_h264_chroma_dc_dequant_idct	(	DCTELEM *	_block,
		int	qmul
	)

Definition at line 312 of file h264idct_template.c.

void FUNCC() ff_h264_idct8_add	(	uint8_t *	_dst,
		DCTELEM *	_block,
		int	stride
	)

Definition at line 83 of file h264idct_template.c.

Referenced by ff_h264_idct8_add4().

void FUNCC() ff_h264_idct8_add4	(	uint8_t *	dst,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 201 of file h264idct_template.c.

void FUNCC() ff_h264_idct8_dc_add	(	uint8_t *	p_dst,
		DCTELEM *	block,
		int	stride
	)

Definition at line 169 of file h264idct_template.c.

Referenced by ff_h264_idct8_add4().

void FUNCC() ff_h264_idct_add	(	uint8_t *	_dst,
		DCTELEM *	_block,
		int	stride
	)

Definition at line 49 of file h264idct_template.c.

Referenced by ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), and ff_h264_idct_add8_422().

void FUNCC() ff_h264_idct_add16	(	uint8_t *	dst,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 182 of file h264idct_template.c.

void FUNCC() ff_h264_idct_add16intra	(	uint8_t *	dst,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 193 of file h264idct_template.c.

void FUNCC() ff_h264_idct_add8	(	uint8_t **	dest,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 212 of file h264idct_template.c.

void FUNCC() ff_h264_idct_add8_422	(	uint8_t **	dest,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 224 of file h264idct_template.c.

void FUNCC() ff_h264_idct_dc_add	(	uint8_t *	p_dst,
		DCTELEM *	block,
		int	stride
	)

Definition at line 156 of file h264idct_template.c.

Referenced by ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), and ff_h264_idct_add8_422().

void FUNCC() ff_h264_luma_dc_dequant_idct	(	DCTELEM *	p_output,
		DCTELEM *	p_input,
		int	qmul
	)

IDCT transforms the 16 dc values and dequantizes them.

Parameters:

qmul

quantization parameter

Definition at line 250 of file h264idct_template.c.

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Variable Documentation

const uint8_t scan8[16 *3] [static]

Initial value:

{
 4+ 1*8, 5+ 1*8, 4+ 2*8, 5+ 2*8,
 6+ 1*8, 7+ 1*8, 6+ 2*8, 7+ 2*8,
 4+ 3*8, 5+ 3*8, 4+ 4*8, 5+ 4*8,
 6+ 3*8, 7+ 3*8, 6+ 4*8, 7+ 4*8,
 4+ 6*8, 5+ 6*8, 4+ 7*8, 5+ 7*8,
 6+ 6*8, 7+ 6*8, 6+ 7*8, 7+ 7*8,
 4+ 8*8, 5+ 8*8, 4+ 9*8, 5+ 9*8,
 6+ 8*8, 7+ 8*8, 6+ 9*8, 7+ 9*8,
 4+11*8, 5+11*8, 4+12*8, 5+12*8,
 6+11*8, 7+11*8, 6+12*8, 7+12*8,
 4+13*8, 5+13*8, 4+14*8, 5+14*8,
 6+13*8, 7+13*8, 6+14*8, 7+14*8
}

Definition at line 33 of file h264idct_template.c.