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Commit 93ff7f1c authored by Christophe Massiot's avatar Christophe Massiot
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* Optimisation du parseur ; 

* R�activation du motion DMV ;

Pour info, on torche largement le d�codeur de r�f�rence (50 %).
parent e05c74bf
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Showing with 1372 additions and 942 deletions
include/vdec_motion.h
View file @ 93ff7f1c
...@@ -23,26 +23,21 @@ typedef void (*f_motion_t)( struct macroblock_s* ); ...@@ -23,26 +23,21 @@ typedef void (*f_motion_t)( struct macroblock_s* );
/***************************************************************************** /*****************************************************************************
* Prototypes * Prototypes
*****************************************************************************/ *****************************************************************************/
/* Empty function for intra macroblocks motion compensation */
void vdec_MotionDummy( struct macroblock_s * p_mb );
/* Motion compensation */
void vdec_MotionFieldField420( struct macroblock_s * p_mb ); void vdec_MotionFieldField420( struct macroblock_s * p_mb );
void vdec_MotionField16x8420( struct macroblock_s * p_mb ); void vdec_MotionField16x8420( struct macroblock_s * p_mb );
void vdec_MotionFieldDMV( struct macroblock_s * p_mb ); void vdec_MotionFieldDMV420( struct macroblock_s * p_mb );
void vdec_MotionFrameFrame420( struct macroblock_s * p_mb ); void vdec_MotionFrameFrame420( struct macroblock_s * p_mb );
void vdec_MotionFrameField420( struct macroblock_s * p_mb ); void vdec_MotionFrameField420( struct macroblock_s * p_mb );
void vdec_MotionFrameDMV( struct macroblock_s * p_mb ); void vdec_MotionFrameDMV420( struct macroblock_s * p_mb );
void vdec_MotionFieldField422( struct macroblock_s * p_mb ); void vdec_MotionFieldField422( struct macroblock_s * p_mb );
void vdec_MotionField16x8422( struct macroblock_s * p_mb ); void vdec_MotionField16x8422( struct macroblock_s * p_mb );
void vdec_MotionFieldDMV( struct macroblock_s * p_mb ); void vdec_MotionFieldDMV422( struct macroblock_s * p_mb );
void vdec_MotionFrameFrame422( struct macroblock_s * p_mb ); void vdec_MotionFrameFrame422( struct macroblock_s * p_mb );
void vdec_MotionFrameField422( struct macroblock_s * p_mb ); void vdec_MotionFrameField422( struct macroblock_s * p_mb );
void vdec_MotionFrameDMV( struct macroblock_s * p_mb ); void vdec_MotionFrameDMV422( struct macroblock_s * p_mb );
void vdec_MotionFieldField444( struct macroblock_s * p_mb ); void vdec_MotionFieldField444( struct macroblock_s * p_mb );
void vdec_MotionField16x8444( struct macroblock_s * p_mb ); void vdec_MotionField16x8444( struct macroblock_s * p_mb );
void vdec_MotionFieldDMV( struct macroblock_s * p_mb ); void vdec_MotionFieldDMV444( struct macroblock_s * p_mb );
void vdec_MotionFrameFrame444( struct macroblock_s * p_mb ); void vdec_MotionFrameFrame444( struct macroblock_s * p_mb );
void vdec_MotionFrameField444( struct macroblock_s * p_mb ); void vdec_MotionFrameField444( struct macroblock_s * p_mb );
void vdec_MotionFrameDMV( struct macroblock_s * p_mb ); void vdec_MotionFrameDMV444( struct macroblock_s * p_mb );
\ No newline at end of file \ No newline at end of file
include/video_fifo.h
View file @ 93ff7f1c
...@@ -74,6 +74,10 @@ static __inline__ macroblock_t * vpar_NewMacroblock( video_fifo_t * p_fifo ) ...@@ -74,6 +74,10 @@ static __inline__ macroblock_t * vpar_NewMacroblock( video_fifo_t * p_fifo )
/* No more structures available. This should not happen ! */ /* No more structures available. This should not happen ! */
intf_DbgMsg("vpar debug: macroblock list is empty, delaying\n"); intf_DbgMsg("vpar debug: macroblock list is empty, delaying\n");
vlc_mutex_unlock( &P_buffer.lock ); vlc_mutex_unlock( &P_buffer.lock );
if( p_fifo->p_vpar->b_die )
{
return( NULL );
}
msleep(VPAR_OUTMEM_SLEEP); msleep(VPAR_OUTMEM_SLEEP);
vlc_mutex_lock( &P_buffer.lock ); vlc_mutex_lock( &P_buffer.lock );
} }
......
include/vpar_blocks.h
View file @ 93ff7f1c
...@@ -15,6 +15,12 @@ ...@@ -15,6 +15,12 @@
* "video_fifo.h" * "video_fifo.h"
*****************************************************************************/ *****************************************************************************/
/*****************************************************************************
* Function pointers
*****************************************************************************/
typedef void (*f_parse_mb_t)( struct vpar_thread_s*, int *, int, int,
boolean_t, int, int, int, boolean_t);
/***************************************************************************** /*****************************************************************************
* macroblock_t : information on a macroblock * macroblock_t : information on a macroblock
*****************************************************************************/ *****************************************************************************/
...@@ -22,16 +28,8 @@ typedef struct macroblock_s ...@@ -22,16 +28,8 @@ typedef struct macroblock_s
{ {
int i_mb_type; /* macroblock type */ int i_mb_type; /* macroblock type */
int i_coded_block_pattern; int i_coded_block_pattern;
int i_structure;
int i_current_structure;
boolean_t b_P_coding_type; /* Is it P_CODING_TYPE ? */
picture_t * p_picture;
int i_l_x, i_l_y; /* position of macroblock (lum) */
int i_c_x, i_c_y; /* position of macroblock (chroma) */
int i_chroma_nb_blocks; /* nb of bks for a chr comp */ int i_chroma_nb_blocks; /* nb of bks for a chr comp */
int i_l_stride; /* number of yuv_data_t to ignore picture_t * p_picture;
* when changing lines */
int i_c_stride; /* idem, for chroma */
/* IDCT information */ /* IDCT information */
dctelem_t ppi_blocks[12][64]; /* blocks */ dctelem_t ppi_blocks[12][64]; /* blocks */
...@@ -44,16 +42,24 @@ typedef struct macroblock_s ...@@ -44,16 +42,24 @@ typedef struct macroblock_s
picture_t * p_forward; picture_t * p_forward;
int ppi_field_select[2][2]; int ppi_field_select[2][2];
int pppi_motion_vectors[2][2][2]; int pppi_motion_vectors[2][2][2];
int pi_dm_vector[2]; int ppi_dmv[2][2];
boolean_t b_top_field_first; int i_l_x, i_c_x;
int i_motion_l_y; int i_motion_l_y;
int i_motion_c_y; int i_motion_c_y;
boolean_t b_motion_field; int i_l_stride; /* number of yuv_data_t to
* ignore when changing line */
int i_c_stride; /* idem, for chroma */
boolean_t b_P_second; /* Second field of a P picture ?
* (used to determine the predicting
* frame) */
boolean_t b_motion_field; /* Field we are predicting
* (top field or bottom field) */
/* AddBlock information */ /* AddBlock information */
yuv_data_t * p_data[12]; /* pointer to the position yuv_data_t * p_data[12]; /* pointer to the position
* in the final picture */ * in the final picture */
int i_addb_l_stride, i_addb_c_stride; int i_addb_l_stride, i_addb_c_stride;
/* nb of coeffs to jump when changing lines */
} macroblock_t; } macroblock_t;
/***************************************************************************** /*****************************************************************************
...@@ -61,12 +67,8 @@ typedef struct macroblock_s ...@@ -61,12 +67,8 @@ typedef struct macroblock_s
*****************************************************************************/ *****************************************************************************/
typedef struct typedef struct
{ {
int i_mb_type, i_motion_type, i_mv_count, i_mv_format; int i_motion_type, i_mv_count, i_mv_format;
boolean_t b_dmv; boolean_t b_dmv, b_dct_type;
/* Macroblock Type */
int i_coded_block_pattern;
boolean_t b_dct_type;
int i_l_x, i_l_y, i_c_x, i_c_y; int i_l_x, i_l_y, i_c_x, i_c_y;
} macroblock_parsing_t; } macroblock_parsing_t;
...@@ -139,12 +141,53 @@ void vpar_InitPMBType( struct vpar_thread_s * p_vpar ); ...@@ -139,12 +141,53 @@ void vpar_InitPMBType( struct vpar_thread_s * p_vpar );
void vpar_InitBMBType( struct vpar_thread_s * p_vpar ); void vpar_InitBMBType( struct vpar_thread_s * p_vpar );
void vpar_InitCodedPattern( struct vpar_thread_s * p_vpar ); void vpar_InitCodedPattern( struct vpar_thread_s * p_vpar );
void vpar_InitDCTTables( struct vpar_thread_s * p_vpar ); void vpar_InitDCTTables( struct vpar_thread_s * p_vpar );
void vpar_ParseMacroblock( struct vpar_thread_s * p_vpar, int * pi_mb_address, void vpar_ParseMacroblockGENERIC( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base ); int i_mb_previous, int i_mb_base,
int vpar_CodedPattern420( struct vpar_thread_s* p_vpar ); boolean_t b_mpeg2, int i_coding_type,
int vpar_CodedPattern422( struct vpar_thread_s* p_vpar ); int i_chroma_format, int i_structure,
int vpar_CodedPattern444( struct vpar_thread_s* p_vpar ); boolean_t b_second_field );
int vpar_IMBType( struct vpar_thread_s* p_vpar ); void vpar_ParseMacroblock2I420F0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int vpar_PMBType( struct vpar_thread_s* p_vpar ); int i_mb_previous, int i_mb_base,
int vpar_BMBType( struct vpar_thread_s* p_vpar ); boolean_t b_mpeg2, int i_coding_type,
int vpar_DMBType( struct vpar_thread_s* p_vpar ); int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2P420F0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2B420F0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2I420T0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2P420T0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2B420T0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2I420B1( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2P420B1( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
void vpar_ParseMacroblock2B420B1( struct vpar_thread_s* p_vpar, int * pi_mb_address,
int i_mb_previous, int i_mb_base,
boolean_t b_mpeg2, int i_coding_type,
int i_chroma_format, int i_structure,
boolean_t b_second_field );
include/vpar_headers.h
View file @ 93ff7f1c
...@@ -19,11 +19,8 @@ ...@@ -19,11 +19,8 @@
* Function pointers * Function pointers
*****************************************************************************/ *****************************************************************************/
struct vpar_thread_s; struct vpar_thread_s;
struct macroblock_s;
typedef void (*f_slice_header_t)( struct vpar_thread_s*, int*, int, u32); typedef void (*f_slice_header_t)( struct vpar_thread_s*, int*, int, u32);
typedef int (*f_chroma_pattern_t)( struct vpar_thread_s* );
typedef int (*f_macroblock_type_t)( struct vpar_thread_s* );
/***************************************************************************** /*****************************************************************************
* quant_matrix_t : Quantization Matrix * quant_matrix_t : Quantization Matrix
...@@ -50,8 +47,6 @@ typedef struct sequence_s ...@@ -50,8 +47,6 @@ typedef struct sequence_s
f_slice_header_t pf_slice_header; f_slice_header_t pf_slice_header;
quant_matrix_t intra_quant, nonintra_quant; quant_matrix_t intra_quant, nonintra_quant;
quant_matrix_t chroma_intra_quant, chroma_nonintra_quant; quant_matrix_t chroma_intra_quant, chroma_nonintra_quant;
void (*pf_decode_mv)( struct vpar_thread_s *, struct macroblock_s *, int );
f_chroma_pattern_t pf_decode_pattern;
/* Chromatic information */ /* Chromatic information */
unsigned int i_chroma_format; unsigned int i_chroma_format;
...@@ -64,12 +59,12 @@ typedef struct sequence_s ...@@ -64,12 +59,12 @@ typedef struct sequence_s
picture_t * p_backward; picture_t * p_backward;
/* Copyright extension */ /* Copyright extension */
boolean_t b_copyright_flag; /* Whether the following boolean_t b_copyright_flag; /* Whether the following
information is significant information is significant
or not. */ or not. */
u8 i_copyright_id; u8 i_copyright_id;
boolean_t b_original; boolean_t b_original;
u64 i_copyright_nb; u64 i_copyright_nb;
} sequence_t; } sequence_t;
/***************************************************************************** /*****************************************************************************
...@@ -89,6 +84,8 @@ typedef struct picture_parsing_s ...@@ -89,6 +84,8 @@ typedef struct picture_parsing_s
boolean_t b_repeat_first_field; boolean_t b_repeat_first_field;
int i_l_stride, i_c_stride; int i_l_stride, i_c_stride;
f_parse_mb_t pf_parse_mb;
/* Used for second field management */ /* Used for second field management */
int i_current_structure; int i_current_structure;
...@@ -100,8 +97,6 @@ typedef struct picture_parsing_s ...@@ -100,8 +97,6 @@ typedef struct picture_parsing_s
/* Relative to the current field */ /* Relative to the current field */
int i_coding_type, i_structure; int i_coding_type, i_structure;
boolean_t b_frame_structure; boolean_t b_frame_structure;
boolean_t b_motion_field;
f_macroblock_type_t pf_macroblock_type;
boolean_t b_error; boolean_t b_error;
} picture_parsing_t; } picture_parsing_t;
......
src/video_decoder/vdec_motion.c
View file @ 93ff7f1c
This diff is collapsed.
src/video_parser/vpar_blocks.c
View file @ 93ff7f1c
This diff is collapsed.
src/video_parser/vpar_headers.c
View file @ 93ff7f1c
...@@ -389,9 +389,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar ) ...@@ -389,9 +389,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
if( ShowBits( &p_vpar->bit_stream, 32 ) == EXTENSION_START_CODE ) if( ShowBits( &p_vpar->bit_stream, 32 ) == EXTENSION_START_CODE )
{ {
int i_dummy; int i_dummy;
static f_chroma_pattern_t ppf_chroma_pattern[4] =
{NULL, vpar_CodedPattern420,
vpar_CodedPattern422, vpar_CodedPattern444};
/* Turn the MPEG2 flag on */ /* Turn the MPEG2 flag on */
p_vpar->sequence.b_mpeg2 = 1; p_vpar->sequence.b_mpeg2 = 1;
...@@ -402,8 +399,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar ) ...@@ -402,8 +399,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
RemoveBits( &p_vpar->bit_stream, 12 ); RemoveBits( &p_vpar->bit_stream, 12 );
p_vpar->sequence.b_progressive = GetBits( &p_vpar->bit_stream, 1 ); p_vpar->sequence.b_progressive = GetBits( &p_vpar->bit_stream, 1 );
p_vpar->sequence.i_chroma_format = GetBits( &p_vpar->bit_stream, 2 ); p_vpar->sequence.i_chroma_format = GetBits( &p_vpar->bit_stream, 2 );
p_vpar->sequence.pf_decode_pattern = ppf_chroma_pattern
[p_vpar->sequence.i_chroma_format];
p_vpar->sequence.i_width |= GetBits( &p_vpar->bit_stream, 2 ) << 12; p_vpar->sequence.i_width |= GetBits( &p_vpar->bit_stream, 2 ) << 12;
p_vpar->sequence.i_height |= GetBits( &p_vpar->bit_stream, 2 ) << 12; p_vpar->sequence.i_height |= GetBits( &p_vpar->bit_stream, 2 ) << 12;
/* bit_rate_extension, marker_bit, vbv_buffer_size_extension, low_delay */ /* bit_rate_extension, marker_bit, vbv_buffer_size_extension, low_delay */
...@@ -413,8 +408,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar ) ...@@ -413,8 +408,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
/* frame_rate_extension_d */ /* frame_rate_extension_d */
p_vpar->sequence.r_frame_rate *= (i_dummy + 1) p_vpar->sequence.r_frame_rate *= (i_dummy + 1)
/ (GetBits( &p_vpar->bit_stream, 5 ) + 1); / (GetBits( &p_vpar->bit_stream, 5 ) + 1);
p_vpar->sequence.pf_decode_mv = vpar_MPEG2MotionVector;
} }
else else
{ {
...@@ -423,9 +416,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar ) ...@@ -423,9 +416,6 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
p_vpar->sequence.b_mpeg2 = 0; p_vpar->sequence.b_mpeg2 = 0;
p_vpar->sequence.b_progressive = 1; p_vpar->sequence.b_progressive = 1;
p_vpar->sequence.i_chroma_format = CHROMA_420; p_vpar->sequence.i_chroma_format = CHROMA_420;
p_vpar->sequence.pf_decode_pattern = vpar_CodedPattern420;
p_vpar->sequence.pf_decode_mv = vpar_MPEG1MotionVector;
} }
/* Update sizes */ /* Update sizes */
...@@ -513,9 +503,33 @@ static void GroupHeader( vpar_thread_t * p_vpar ) ...@@ -513,9 +503,33 @@ static void GroupHeader( vpar_thread_t * p_vpar )
*****************************************************************************/ *****************************************************************************/
static void PictureHeader( vpar_thread_t * p_vpar ) static void PictureHeader( vpar_thread_t * p_vpar )
{ {
static f_macroblock_type_t ppf_macroblock_type[5] = {NULL, static f_parse_mb_t ppf_parse_mb[4][4][2] =
vpar_IMBType, vpar_PMBType, {
vpar_BMBType, vpar_DMBType}; {
{NULL, NULL}, {NULL, NULL}, {NULL, NULL}, {NULL, NULL}
},
{
/* I_CODING_TYPE */
{NULL, NULL},
{vpar_ParseMacroblock2I420T0, vpar_ParseMacroblockGENERIC},
{vpar_ParseMacroblockGENERIC, vpar_ParseMacroblock2I420B1},
{vpar_ParseMacroblock2I420F0, vpar_ParseMacroblock2I420F0}
},
{
/* P_CODING_TYPE */
{NULL, NULL},
{vpar_ParseMacroblock2P420T0, vpar_ParseMacroblockGENERIC},
{vpar_ParseMacroblockGENERIC, vpar_ParseMacroblock2P420B1},
{vpar_ParseMacroblock2P420F0, vpar_ParseMacroblock2P420F0}
},
{
/* B_CODING_TYPE */
{NULL, NULL},
{vpar_ParseMacroblock2B420T0, vpar_ParseMacroblockGENERIC},
{vpar_ParseMacroblockGENERIC, vpar_ParseMacroblock2B420B1},
{vpar_ParseMacroblock2B420F0, vpar_ParseMacroblock2B420F0}
}
};
int i_structure; int i_structure;
int i_mb_address, i_mb_base; int i_mb_address, i_mb_base;
...@@ -527,11 +541,10 @@ static void PictureHeader( vpar_thread_t * p_vpar ) ...@@ -527,11 +541,10 @@ static void PictureHeader( vpar_thread_t * p_vpar )
RemoveBits( &p_vpar->bit_stream, 10 ); /* temporal_reference */ RemoveBits( &p_vpar->bit_stream, 10 ); /* temporal_reference */
p_vpar->picture.i_coding_type = GetBits( &p_vpar->bit_stream, 3 ); p_vpar->picture.i_coding_type = GetBits( &p_vpar->bit_stream, 3 );
p_vpar->picture.pf_macroblock_type = ppf_macroblock_type
[p_vpar->picture.i_coding_type];
RemoveBits( &p_vpar->bit_stream, 16 ); /* vbv_delay */ RemoveBits( &p_vpar->bit_stream, 16 ); /* vbv_delay */
if( p_vpar->picture.i_coding_type == P_CODING_TYPE || p_vpar->picture.i_coding_type == B_CODING_TYPE ) if( p_vpar->picture.i_coding_type == P_CODING_TYPE
|| p_vpar->picture.i_coding_type == B_CODING_TYPE )
{ {
p_vpar->picture.pb_full_pel_vector[0] = GetBits( &p_vpar->bit_stream, 1 ); p_vpar->picture.pb_full_pel_vector[0] = GetBits( &p_vpar->bit_stream, 1 );
p_vpar->picture.i_forward_f_code = GetBits( &p_vpar->bit_stream, 3 ); p_vpar->picture.i_forward_f_code = GetBits( &p_vpar->bit_stream, 3 );
...@@ -733,7 +746,7 @@ static void PictureHeader( vpar_thread_t * p_vpar ) ...@@ -733,7 +746,7 @@ static void PictureHeader( vpar_thread_t * p_vpar )
p_vpar->picture.i_structure = i_structure; p_vpar->picture.i_structure = i_structure;
/* Initialize picture data for decoding. */ /* Initialize picture data for decoding. */
if( (p_vpar->picture.b_motion_field = (i_structure == BOTTOM_FIELD)) ) if( i_structure == BOTTOM_FIELD )
{ {
i_mb_base = p_vpar->sequence.i_mb_size >> 1; i_mb_base = p_vpar->sequence.i_mb_size >> 1;
p_vpar->mb.i_l_y = 1; p_vpar->mb.i_l_y = 1;
...@@ -750,10 +763,25 @@ static void PictureHeader( vpar_thread_t * p_vpar ) ...@@ -750,10 +763,25 @@ static void PictureHeader( vpar_thread_t * p_vpar )
/* Extension and User data. */ /* Extension and User data. */
ExtensionAndUserData( p_vpar ); ExtensionAndUserData( p_vpar );
/* Macroblock parsing function. */
if( p_vpar->sequence.i_chroma_format != CHROMA_420
|| !p_vpar->sequence.b_mpeg2 )
{
p_vpar->picture.pf_parse_mb = vpar_ParseMacroblockGENERIC;
}
else
{
p_vpar->picture.pf_parse_mb =
ppf_parse_mb[p_vpar->picture.i_coding_type]
[p_vpar->picture.i_structure]
[(p_vpar->picture.i_structure !=
p_vpar->picture.i_current_structure)];
}
/* Picture data (ISO/IEC 13818-2 6.2.3.7). */ /* Picture data (ISO/IEC 13818-2 6.2.3.7). */
NextStartCode( p_vpar ); NextStartCode( p_vpar );
while( i_mb_address+i_mb_base < p_vpar->sequence.i_mb_size while( i_mb_address+i_mb_base < p_vpar->sequence.i_mb_size
&& !p_vpar->picture.b_error && !p_vpar->b_die ) && !p_vpar->b_die )
{ {
if( ((i_dummy = ShowBits( &p_vpar->bit_stream, 32 )) if( ((i_dummy = ShowBits( &p_vpar->bit_stream, 32 ))
< SLICE_START_CODE_MIN) || < SLICE_START_CODE_MIN) ||
...@@ -768,7 +796,12 @@ static void PictureHeader( vpar_thread_t * p_vpar ) ...@@ -768,7 +796,12 @@ static void PictureHeader( vpar_thread_t * p_vpar )
/* Decode slice data. */ /* Decode slice data. */
p_vpar->sequence.pf_slice_header( p_vpar, &i_mb_address, i_mb_base, i_dummy & 255 ); p_vpar->sequence.pf_slice_header( p_vpar, &i_mb_address, i_mb_base, i_dummy & 255 );
} }
if( p_vpar->b_die || p_vpar->b_error )
{
return;
}
if( p_vpar->picture.b_error ) if( p_vpar->picture.b_error )
{ {
/* Trash picture. */ /* Trash picture. */
...@@ -826,7 +859,9 @@ static __inline__ void SliceHeader( vpar_thread_t * p_vpar, ...@@ -826,7 +859,9 @@ static __inline__ void SliceHeader( vpar_thread_t * p_vpar,
static int pi_dc_dct_reinit[4] = {128,256,512,1024}; static int pi_dc_dct_reinit[4] = {128,256,512,1024};
int i_mb_address_save = *pi_mb_address; int i_mb_address_save = *pi_mb_address;
p_vpar->picture.b_error = 0;
/* slice_vertical_position_extension and priority_breakpoint already done */ /* slice_vertical_position_extension and priority_breakpoint already done */
LoadQuantizerScale( p_vpar ); LoadQuantizerScale( p_vpar );
...@@ -853,11 +888,18 @@ static __inline__ void SliceHeader( vpar_thread_t * p_vpar, ...@@ -853,11 +888,18 @@ static __inline__ void SliceHeader( vpar_thread_t * p_vpar,
do do
{ {
vpar_ParseMacroblock( p_vpar, pi_mb_address, i_mb_address_save, p_vpar->picture.pf_parse_mb( p_vpar, pi_mb_address,
i_mb_base ); i_mb_address_save, i_mb_base,
p_vpar->sequence.b_mpeg2,
p_vpar->picture.i_coding_type,
p_vpar->sequence.i_chroma_format,
p_vpar->picture.i_structure,
(p_vpar->picture.i_structure !=
p_vpar->picture.i_current_structure) );
i_mb_address_save = *pi_mb_address; i_mb_address_save = *pi_mb_address;
} }
while( ShowBits( &p_vpar->bit_stream, 23 ) && !p_vpar->b_die ); while( ShowBits( &p_vpar->bit_stream, 23 ) && !p_vpar->picture.b_error
&& !p_vpar->b_die );
NextStartCode( p_vpar ); NextStartCode( p_vpar );
} }
......
src/video_parser/vpar_motion.c
View file @ 93ff7f1c
...@@ -126,6 +126,7 @@ void vpar_MotionVector( vpar_thread_t * p_vpar, macroblock_t * p_mb, int i_r, ...@@ -126,6 +126,7 @@ void vpar_MotionVector( vpar_thread_t * p_vpar, macroblock_t * p_mb, int i_r,
{ {
int i_motion_code, i_motion_residual; int i_motion_code, i_motion_residual;
int i_r_size; int i_r_size;
int pi_dm_vector[2];
i_r_size = p_vpar->picture.ppi_f_code[i_s][0]-1; i_r_size = p_vpar->picture.ppi_f_code[i_s][0]-1;
i_motion_code = vpar_MotionCode( p_vpar ); i_motion_code = vpar_MotionCode( p_vpar );
...@@ -140,11 +141,11 @@ void vpar_MotionVector( vpar_thread_t * p_vpar, macroblock_t * p_mb, int i_r, ...@@ -140,11 +141,11 @@ void vpar_MotionVector( vpar_thread_t * p_vpar, macroblock_t * p_mb, int i_r,
{ {
if( GetBits(&p_vpar->bit_stream, 1) ) if( GetBits(&p_vpar->bit_stream, 1) )
{ {
p_mb->pi_dm_vector[0] = GetBits( &p_vpar->bit_stream, 1 ) ? -1 : 1; pi_dm_vector[0] = GetBits( &p_vpar->bit_stream, 1 ) ? -1 : 1;
} }
else else
{ {
p_mb->pi_dm_vector[0] = 0; pi_dm_vector[0] = 0;
} }
} }
...@@ -172,12 +173,55 @@ void vpar_MotionVector( vpar_thread_t * p_vpar, macroblock_t * p_mb, int i_r, ...@@ -172,12 +173,55 @@ void vpar_MotionVector( vpar_thread_t * p_vpar, macroblock_t * p_mb, int i_r,
{ {
if( GetBits(&p_vpar->bit_stream, 1) ) if( GetBits(&p_vpar->bit_stream, 1) )
{ {
p_mb->pi_dm_vector[1] = GetBits( &p_vpar->bit_stream, 1 ) ? -1 : 1; pi_dm_vector[1] = GetBits( &p_vpar->bit_stream, 1 ) ? -1 : 1;
} }
else else
{ {
p_mb->pi_dm_vector[1] = 0; pi_dm_vector[1] = 0;
} }
/* Dual Prime Arithmetic (ISO/IEC 13818-2 section 7.6.3.6) */
#define i_mv_x p_mb->pppi_motion_vectors[0][0][0]
if( p_vpar->picture.i_structure == FRAME_STRUCTURE )
{
#define i_mv_y (p_mb->pppi_motion_vectors[0][0][1] << 1)
if( p_vpar->picture.b_top_field_first )
{
/* vector for prediction of top field from bottom field */
p_mb->ppi_dmv[0][0] = ((i_mv_x + (i_mv_x > 0)) >> 1) + pi_dm_vector[0];
p_mb->ppi_dmv[0][1] = ((i_mv_y + (i_mv_y > 0)) >> 1) + pi_dm_vector[1] - 1;
/* vector for prediction of bottom field from top field */
p_mb->ppi_dmv[1][0] = ((3*i_mv_x + (i_mv_x > 0)) >> 1) + pi_dm_vector[0];
p_mb->ppi_dmv[1][1] = ((3*i_mv_y + (i_mv_y > 0)) >> 1) + pi_dm_vector[1] + 1;
}
else
{
/* vector for prediction of top field from bottom field */
p_mb->ppi_dmv[0][0] = ((3*i_mv_x + (i_mv_x > 0)) >> 1) + pi_dm_vector[0];
p_mb->ppi_dmv[0][1] = ((3*i_mv_y + (i_mv_y > 0)) >> 1) + pi_dm_vector[1] - 1;
/* vector for prediction of bottom field from top field */
p_mb->ppi_dmv[1][0] = ((i_mv_x + (i_mv_x > 0)) >> 1) + pi_dm_vector[0];
p_mb->ppi_dmv[1][1] = ((i_mv_y + (i_mv_y > 0)) >> 1) + pi_dm_vector[1] + 1;
}
#undef i_mv_y
}
else
{
#define i_mv_y p_mb->pppi_motion_vectors[0][0][1]
/* vector for prediction from field of opposite 'parity' */
p_mb->ppi_dmv[0][0] = ((i_mv_x + (i_mv_x > 0)) >> 1) + pi_dm_vector[0];
p_mb->ppi_dmv[0][1] = ((i_mv_y + (i_mv_y > 0)) >> 1) + pi_dm_vector[1];
/* correct for vertical field shift */
if( p_vpar->picture.i_structure == TOP_FIELD )
p_mb->ppi_dmv[0][1]--;
else
p_mb->ppi_dmv[0][1]++;
#undef i_mv_y
}
#undef i_mv_x
} }
} }
......
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