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[trunk] Reduce encoder code block memory usage for non 64x64 code block sizes (fixes issue 444)

This commit is contained in:
Matthieu Darbois 2014-12-12 21:54:22 +00:00
parent c0710f557c
commit e05d2901ec
2 changed files with 61 additions and 34 deletions
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78
src/lib/openjp2/tcd.c
View File

@ -120,10 +120,15 @@ static OPJ_BOOL opj_tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_blo
static void opj_tcd_code_block_dec_deallocate (opj_tcd_precinct_t * p_precinct);
/**
* Allocates memory for an encoding code block.
* Allocates memory for an encoding code block (but not data).
*/
static OPJ_BOOL opj_tcd_code_block_enc_allocate (opj_tcd_cblk_enc_t * p_code_block);
/**
* Allocates data for an encoding code block
*/
static OPJ_BOOL opj_tcd_code_block_enc_allocate_data (opj_tcd_cblk_enc_t * p_code_block);
/**
* Deallocates the encoding data of the given precinct.
*/
@ -1004,6 +1009,10 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0);
l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1);
l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1);
if (! opj_tcd_code_block_enc_allocate_data(l_code_block)) {
return OPJ_FALSE;
}
} else {
opj_tcd_cblk_dec_t* l_code_block = l_current_precinct->cblks.dec + cblkno;
@ -1043,39 +1052,56 @@ OPJ_BOOL opj_tcd_init_decode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no)
}
/**
* Allocates memory for an encoding code block.
* Allocates memory for an encoding code block (but not data memory).
*/
OPJ_BOOL opj_tcd_code_block_enc_allocate (opj_tcd_cblk_enc_t * p_code_block)
static OPJ_BOOL opj_tcd_code_block_enc_allocate (opj_tcd_cblk_enc_t * p_code_block)
{
if (! p_code_block->data) {
if (! p_code_block->layers) {
/* no memset since data */
p_code_block->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
if (! p_code_block->layers) {
return OPJ_FALSE;
}
}
if (! p_code_block->passes) {
p_code_block->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
if (! p_code_block->passes) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
p_code_block->data = (OPJ_BYTE*) opj_malloc(OPJ_J2K_DEFAULT_CBLK_DATA_SIZE*2); /*why +1 ?*/
if(! p_code_block->data) {
return OPJ_FALSE;
}
p_code_block->data[0] = 0;
p_code_block->data+=1;
/* no memset since data */
p_code_block->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
if (! p_code_block->layers) {
return OPJ_FALSE;
}
p_code_block->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
if (! p_code_block->passes) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
/**
* Allocates data memory for an encoding code block.
*/
static OPJ_BOOL opj_tcd_code_block_enc_allocate_data (opj_tcd_cblk_enc_t * p_code_block)
{
OPJ_UINT32 l_data_size;
l_data_size = (p_code_block->x1 - p_code_block->x0) * (p_code_block->y1 - p_code_block->y0) * sizeof(OPJ_UINT32);
if (l_data_size > p_code_block->data_size) {
if (p_code_block->data) {
opj_free(p_code_block->data - 1); /* again, why -1 */
}
p_code_block->data = (OPJ_BYTE*) opj_malloc(l_data_size);
if(! p_code_block->data) {
p_code_block->data_size = 0U;
return OPJ_FALSE;
}
p_code_block->data_size = l_data_size;
p_code_block->data[0] = 0;
p_code_block->data+=1; /*why +1 ?*/
}
return OPJ_TRUE;
}
/**
* Allocates memory for a decoding code block.
*/
OPJ_BOOL opj_tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_block)
static OPJ_BOOL opj_tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_block)
{
if (! p_code_block->data) {

17
src/lib/openjp2/tcd.h
View File

@ -87,15 +87,16 @@ typedef struct opj_tcd_layer {
FIXME DOC
*/
typedef struct opj_tcd_cblk_enc {
OPJ_BYTE* data; /* Data */
opj_tcd_layer_t* layers; /* layer information */
opj_tcd_pass_t* passes; /* information about the passes */
OPJ_INT32 x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_BYTE* data; /* Data */
opj_tcd_layer_t* layers; /* layer information */
opj_tcd_pass_t* passes; /* information about the passes */
OPJ_INT32 x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 numbps;
OPJ_UINT32 numlenbits;
OPJ_UINT32 numpasses; /* number of pass already done for the code-blocks */
OPJ_UINT32 numpassesinlayers; /* number of passes in the layer */
OPJ_UINT32 totalpasses; /* total number of passes */
OPJ_UINT32 data_size; /* Size of allocated data buffer */
OPJ_UINT32 numpasses; /* number of pass already done for the code-blocks */
OPJ_UINT32 numpassesinlayers; /* number of passes in the layer */
OPJ_UINT32 totalpasses; /* total number of passes */
} opj_tcd_cblk_enc_t;
@ -105,7 +106,7 @@ typedef struct opj_tcd_cblk_dec {
OPJ_INT32 x0, y0, x1, y1; /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 numbps;
OPJ_UINT32 numlenbits;
OPJ_UINT32 data_max_size; /* Size of allocated data buffer */
OPJ_UINT32 data_max_size; /* Size of allocated data buffer */
OPJ_UINT32 data_current_size; /* Size of used data buffer */
OPJ_UINT32 numnewpasses; /* number of pass added to the code-blocks */
OPJ_UINT32 numsegs; /* number of segments */