diff --git a/vp8/common/threading.h b/vp8/common/threading.h
index 0dd7bbc4c90f804ff9a28571a38f695ec865a61c..bfd4916c6456d91803b43a4061e696c16c798106 100644
--- a/vp8/common/threading.h
+++ b/vp8/common/threading.h
@@ -14,7 +14,7 @@
#define VPXINFINITE 10000 /* 10second. */
-#if CONFIG_OS_SUPPORT
+#if CONFIG_OS_SUPPORT && CONFIG_MULTITHREAD
/* Thread management macros */
#ifdef _WIN32
@@ -90,8 +90,6 @@
#define x86_pause_hint()
#endif
-#else /* CONFIG_OS_SUPPORT = 0 */
-#define THREAD_FUNCTION void *
-#endif /* CONFIG_OS_SUPPORT */
+#endif /* CONFIG_OS_SUPPORT && CONFIG_MULTITHREAD */
#endif
diff --git a/vp8/decoder/decodframe.c b/vp8/decoder/decodframe.c
index d3972b32485998f44e98c3c24ebf728b577d27e0..d356fca5a8806601f61a7dd4b7f0a42c9fb16b25 100644
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -485,9 +485,11 @@ static void setup_token_decoder(VP8D_COMP *pbi,
bool_decoder++;
}
+#if CONFIG_MULTITHREAD
/* Clamp number of decoder threads */
if (pbi->decoding_thread_count > num_part - 1)
pbi->decoding_thread_count = num_part - 1;
+#endif
}
@@ -846,7 +848,9 @@ int vp8_decode_frame(VP8D_COMP *pbi)
vpx_memcpy(&xd->dst, &pc->yv12_fb[pc->new_fb_idx], sizeof(YV12_BUFFER_CONFIG));
/* set up frame new frame for intra coded blocks */
+#if CONFIG_MULTITHREAD
if (!(pbi->b_multithreaded_rd) || pc->multi_token_partition == ONE_PARTITION || !(pc->filter_level))
+#endif
vp8_setup_intra_recon(&pc->yv12_fb[pc->new_fb_idx]);
vp8_setup_block_dptrs(xd);
@@ -866,6 +870,7 @@ int vp8_decode_frame(VP8D_COMP *pbi)
vpx_memcpy(&xd->block[0].bmi, &xd->mode_info_context->bmi[0], sizeof(B_MODE_INFO));
+#if CONFIG_MULTITHREAD
if (pbi->b_multithreaded_rd && pc->multi_token_partition != ONE_PARTITION)
{
vp8mt_decode_mb_rows(pbi, xd);
@@ -880,6 +885,7 @@ int vp8_decode_frame(VP8D_COMP *pbi)
vp8_yv12_extend_frame_borders_ptr(&pc->yv12_fb[pc->new_fb_idx]); /*cm->frame_to_show);*/
}
else
+#endif
{
int ibc = 0;
int num_part = 1 << pc->multi_token_partition;
diff --git a/vp8/decoder/onyxd_if.c b/vp8/decoder/onyxd_if.c
index adbb1f336849375d940a0c0e43d178b02d7141c1..41966b9dad82893af971f678144e74f5750e4f39 100644
--- a/vp8/decoder/onyxd_if.c
+++ b/vp8/decoder/onyxd_if.c
@@ -114,8 +114,10 @@ VP8D_PTR vp8dx_create_decompressor(VP8D_CONFIG *oxcf)
pbi->ready_for_new_data = 1;
pbi->CPUFreq = 0; /*vp8_get_processor_freq();*/
+#if CONFIG_MULTITHREAD
pbi->max_threads = oxcf->max_threads;
vp8_decoder_create_threads(pbi);
+#endif
/* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid
* unnecessary calling of vp8cx_init_de_quantizer() for every frame.
@@ -149,8 +151,8 @@ void vp8dx_remove_decompressor(VP8D_PTR ptr)
#if CONFIG_MULTITHREAD
if (pbi->b_multithreaded_rd)
vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows);
-#endif
vp8_decoder_remove_threads(pbi);
+#endif
vp8_remove_common(&pbi->common);
vpx_free(pbi);
}
@@ -407,6 +409,7 @@ int vp8dx_receive_compressed_data(VP8D_PTR ptr, unsigned long size, const unsign
return retcode;
}
+#if CONFIG_MULTITHREAD
if (pbi->b_multithreaded_rd && cm->multi_token_partition != ONE_PARTITION)
{
if (swap_frame_buffers (cm))
@@ -424,6 +427,7 @@ int vp8dx_receive_compressed_data(VP8D_PTR ptr, unsigned long size, const unsign
return -1;
}
} else
+#endif
{
if (swap_frame_buffers (cm))
{
diff --git a/vp8/decoder/onyxd_int.h b/vp8/decoder/onyxd_int.h
index 7593edf27d2b799cdf221be2c171b00e412e7a30..34c424418b1f2626075d7f4fec2f41f4e2a3de5b 100644
--- a/vp8/decoder/onyxd_int.h
+++ b/vp8/decoder/onyxd_int.h
@@ -87,14 +87,15 @@ typedef struct VP8Decompressor
unsigned int time_decoding;
unsigned int time_loop_filtering;
+#if CONFIG_MULTITHREAD
+ /* variable for threading */
+
volatile int b_multithreaded_rd;
int max_threads;
int current_mb_col_main;
int decoding_thread_count;
int allocated_decoding_thread_count;
- /* variable for threading */
-#if CONFIG_MULTITHREAD
int mt_baseline_filter_level[MAX_MB_SEGMENTS];
int sync_range;
int *mt_current_mb_col; /* Each row remembers its already decoded column. */
diff --git a/vp8/decoder/reconintra_mt.c b/vp8/decoder/reconintra_mt.c
index ad4324b27370b9b7bc9227afe6679689753f00d2..854aba35a4e9034c1a7b64a5b88fc3ca881c5df4 100644
--- a/vp8/decoder/reconintra_mt.c
+++ b/vp8/decoder/reconintra_mt.c
@@ -21,7 +21,6 @@
void vp8mt_build_intra_predictors_mby(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_row, int mb_col)
{
-#if CONFIG_MULTITHREAD
unsigned char *yabove_row; /* = x->dst.y_buffer - x->dst.y_stride; */
unsigned char *yleft_col;
unsigned char yleft_buf[16];
@@ -146,17 +145,10 @@ void vp8mt_build_intra_predictors_mby(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_row
case MB_MODE_COUNT:
break;
}
-#else
- (void) pbi;
- (void) x;
- (void) mb_row;
- (void) mb_col;
-#endif
}
void vp8mt_build_intra_predictors_mby_s(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_row, int mb_col)
{
-#if CONFIG_MULTITHREAD
unsigned char *yabove_row; /* = x->dst.y_buffer - x->dst.y_stride; */
unsigned char *yleft_col;
unsigned char yleft_buf[16];
@@ -289,17 +281,10 @@ void vp8mt_build_intra_predictors_mby_s(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_r
case MB_MODE_COUNT:
break;
}
-#else
- (void) pbi;
- (void) x;
- (void) mb_row;
- (void) mb_col;
-#endif
}
void vp8mt_build_intra_predictors_mbuv(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_row, int mb_col)
{
-#if CONFIG_MULTITHREAD
unsigned char *uabove_row; /* = x->dst.u_buffer - x->dst.uv_stride; */
unsigned char *uleft_col; /*[16];*/
unsigned char uleft_buf[8];
@@ -452,17 +437,10 @@ void vp8mt_build_intra_predictors_mbuv(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_ro
case MB_MODE_COUNT:
break;
}
-#else
- (void) pbi;
- (void) x;
- (void) mb_row;
- (void) mb_col;
-#endif
}
void vp8mt_build_intra_predictors_mbuv_s(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_row, int mb_col)
{
-#if CONFIG_MULTITHREAD
unsigned char *uabove_row; /* = x->dst.u_buffer - x->dst.uv_stride; */
unsigned char *uleft_col; /*[16];*/
unsigned char uleft_buf[8];
@@ -621,12 +599,6 @@ void vp8mt_build_intra_predictors_mbuv_s(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_
case MB_MODE_COUNT:
break;
}
-#else
- (void) pbi;
- (void) x;
- (void) mb_row;
- (void) mb_col;
-#endif
}
@@ -638,7 +610,6 @@ void vp8mt_predict_intra4x4(VP8D_COMP *pbi,
int mb_col,
int num)
{
-#if CONFIG_MULTITHREAD
int i, r, c;
unsigned char *Above; /* = *(x->base_dst) + x->dst - x->dst_stride; */
@@ -935,15 +906,6 @@ void vp8mt_predict_intra4x4(VP8D_COMP *pbi,
}
-#else
- (void) pbi;
- (void) xd;
- (void) b_mode;
- (void) predictor;
- (void) mb_row;
- (void) mb_col;
- (void) num;
-#endif
}
/* copy 4 bytes from the above right down so that the 4x4 prediction modes using pixels above and
@@ -951,7 +913,6 @@ void vp8mt_predict_intra4x4(VP8D_COMP *pbi,
*/
void vp8mt_intra_prediction_down_copy(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_row, int mb_col)
{
-#if CONFIG_MULTITHREAD
unsigned char *above_right; /* = *(x->block[0].base_dst) + x->block[0].dst - x->block[0].dst_stride + 16; */
unsigned int *src_ptr;
unsigned int *dst_ptr0;
@@ -973,10 +934,4 @@ void vp8mt_intra_prediction_down_copy(VP8D_COMP *pbi, MACROBLOCKD *x, int mb_row
*dst_ptr0 = *src_ptr;
*dst_ptr1 = *src_ptr;
*dst_ptr2 = *src_ptr;
-#else
- (void) pbi;
- (void) x;
- (void) mb_row;
- (void) mb_col;
-#endif
}
diff --git a/vp8/decoder/threading.c b/vp8/decoder/threading.c
index ec2cb2b071aceb704258bd56050f33e4f52aa4c2..271249a8d20218aea5f8454a2ba7d9fa8898c180 100644
--- a/vp8/decoder/threading.c
+++ b/vp8/decoder/threading.c
@@ -38,7 +38,6 @@ extern void vp8_build_uvmvs(MACROBLOCKD *x, int fullpixel);
void vp8_setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count)
{
-#if CONFIG_MULTITHREAD
VP8_COMMON *const pc = & pbi->common;
int i, j;
@@ -88,18 +87,11 @@ void vp8_setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC
for (i=0; i< pc->mb_rows; i++)
pbi->mt_current_mb_col[i]=-1;
-#else
- (void) pbi;
- (void) xd;
- (void) mbrd;
- (void) count;
-#endif
}
void vp8mt_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, int mb_row, int mb_col)
{
-#if CONFIG_MULTITHREAD
int eobtotal = 0;
int i, do_clamp = xd->mode_info_context->mbmi.need_to_clamp_mvs;
VP8_COMMON *pc = &pbi->common;
@@ -222,18 +214,11 @@ void vp8mt_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, int mb_row, int mb
(xd->qcoeff+16*16, xd->block[16].dequant,
xd->predictor+16*16, xd->dst.u_buffer, xd->dst.v_buffer,
xd->dst.uv_stride, xd->eobs+16);
-#else
- (void) pbi;
- (void) xd;
- (void) mb_row;
- (void) mb_col;
-#endif
}
THREAD_FUNCTION vp8_thread_decoding_proc(void *p_data)
{
-#if CONFIG_MULTITHREAD
int ithread = ((DECODETHREAD_DATA *)p_data)->ithread;
VP8D_COMP *pbi = (VP8D_COMP *)(((DECODETHREAD_DATA *)p_data)->ptr1);
MB_ROW_DEC *mbrd = (MB_ROW_DEC *)(((DECODETHREAD_DATA *)p_data)->ptr2);
@@ -438,9 +423,6 @@ THREAD_FUNCTION vp8_thread_decoding_proc(void *p_data)
sem_post(&pbi->h_event_end_decoding);
}
}
-#else
- (void) p_data;
-#endif
return 0 ;
}
@@ -448,7 +430,6 @@ THREAD_FUNCTION vp8_thread_decoding_proc(void *p_data)
void vp8_decoder_create_threads(VP8D_COMP *pbi)
{
-#if CONFIG_MULTITHREAD
int core_count = 0;
int ithread;
@@ -482,16 +463,11 @@ void vp8_decoder_create_threads(VP8D_COMP *pbi)
pbi->allocated_decoding_thread_count = pbi->decoding_thread_count;
}
-
-#else
- (void) pbi;
-#endif
}
void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows)
{
-#if CONFIG_MULTITHREAD
VP8_COMMON *const pc = & pbi->common;
int i;
@@ -589,15 +565,11 @@ void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows)
pbi->mt_vleft_col = NULL ;
}
}
-#else
- (void) pbi;
-#endif
}
void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows)
{
-#if CONFIG_MULTITHREAD
VP8_COMMON *const pc = & pbi->common;
int i;
int uv_width;
@@ -646,17 +618,11 @@ void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows)
for (i=0; i< pc->mb_rows; i++)
CHECK_MEM_ERROR(pbi->mt_vleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1));
}
-#else
- (void) pbi;
- (void) width;
-#endif
}
void vp8_decoder_remove_threads(VP8D_COMP *pbi)
{
-#if CONFIG_MULTITHREAD
-
/* shutdown MB Decoding thread; */
if (pbi->b_multithreaded_rd)
{
@@ -702,15 +668,11 @@ void vp8_decoder_remove_threads(VP8D_COMP *pbi)
pbi->de_thread_data = NULL;
}
}
-#else
- (void) pbi;
-#endif
}
void vp8mt_lpf_init( VP8D_COMP *pbi, int default_filt_lvl)
{
-#if CONFIG_MULTITHREAD
VP8_COMMON *cm = &pbi->common;
MACROBLOCKD *mbd = &pbi->mb;
/*YV12_BUFFER_CONFIG *post = &cm->new_frame;*/ /*frame_to_show;*/
@@ -752,16 +714,11 @@ void vp8mt_lpf_init( VP8D_COMP *pbi, int default_filt_lvl)
vp8_init_loop_filter(cm);
else if (frame_type != cm->last_frame_type)
vp8_frame_init_loop_filter(lfi, frame_type);
-#else
- (void) pbi;
- (void) default_filt_lvl;
-#endif
}
void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd)
{
-#if CONFIG_MULTITHREAD
int mb_row;
VP8_COMMON *pc = &pbi->common;
@@ -981,8 +938,4 @@ void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd)
}
sem_wait(&pbi->h_event_end_decoding); /* add back for each frame */
-#else
- (void) pbi;
- (void) xd;
-#endif
}
diff --git a/vp8/encoder/bitstream.c b/vp8/encoder/bitstream.c
index 412542d1038333d35aa3371d0c9dc20447f578b7..52ad0d6faab0dd24a1ca8ff4afb270c2ec6dba64 100644
--- a/vp8/encoder/bitstream.c
+++ b/vp8/encoder/bitstream.c
@@ -1654,10 +1654,12 @@ void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, unsigned long *size)
{
vp8_start_encode(&cpi->bc2, cx_data + bc->pos);
- if (!cpi->b_multi_threaded)
- pack_tokens(&cpi->bc2, cpi->tok, cpi->tok_count);
- else
+#if CONFIG_MULTITHREAD
+ if (cpi->b_multi_threaded)
pack_mb_row_tokens(cpi, &cpi->bc2);
+ else
+#endif
+ pack_tokens(&cpi->bc2, cpi->tok, cpi->tok_count);
vp8_stop_encode(&cpi->bc2);
oh.first_partition_length_in_bytes = cpi->bc.pos ;
diff --git a/vp8/encoder/encodeframe.c b/vp8/encoder/encodeframe.c
index f06a4ca883b134d57a3aa7f1704a080eeb51f5fd..cde7de9f7cba5c92dd33a9947d9145c501c4e620 100644
--- a/vp8/encoder/encodeframe.c
+++ b/vp8/encoder/encodeframe.c
@@ -800,28 +800,9 @@ void vp8_encode_frame(VP8_COMP *cpi)
struct vpx_usec_timer emr_timer;
vpx_usec_timer_start(&emr_timer);
- if (!cpi->b_multi_threaded)
- {
- // for each macroblock row in image
- for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
- {
-
- vp8_zero(cm->left_context)
-
- encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
-
- // adjust to the next row of mbs
- x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
- x->src.u_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
- x->src.v_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
- }
-
- cpi->tok_count = tp - cpi->tok;
-
- }
- else
- {
#if CONFIG_MULTITHREAD
+ if (cpi->b_multi_threaded)
+ {
int i;
vp8cx_init_mbrthread_data(cpi, x, cpi->mb_row_ei, 1, cpi->encoding_thread_count);
@@ -886,7 +867,25 @@ void vp8_encode_frame(VP8_COMP *cpi)
x->activity_sum += cpi->mb_row_ei[i].mb.activity_sum;
}
+ }
+ else
#endif
+ {
+ // for each macroblock row in image
+ for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
+ {
+
+ vp8_zero(cm->left_context)
+
+ encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
+
+ // adjust to the next row of mbs
+ x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
+ x->src.u_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
+ x->src.v_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
+ }
+
+ cpi->tok_count = tp - cpi->tok;
}
diff --git a/vp8/encoder/ethreading.c b/vp8/encoder/ethreading.c
index 8da93a67c20f1d0267a183410393996df0091941..4ce306ff0b82816c1278a12957a659595dc3ee35 100644
--- a/vp8/encoder/ethreading.c
+++ b/vp8/encoder/ethreading.c
@@ -13,6 +13,8 @@
#include "common.h"
#include "extend.h"
+#if CONFIG_MULTITHREAD
+
extern int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x,
TOKENEXTRA **t, int recon_yoffset,
int recon_uvoffset);
@@ -25,7 +27,6 @@ extern void vp8_setup_block_ptrs(MACROBLOCK *x);
static
THREAD_FUNCTION thread_encoding_proc(void *p_data)
{
-#if CONFIG_MULTITHREAD
int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread;
VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1);
MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2);
@@ -247,10 +248,6 @@ THREAD_FUNCTION thread_encoding_proc(void *p_data)
}
}
-#else
- (void) p_data;
-#endif
-
//printf("exit thread %d\n", ithread);
return 0;
}
@@ -436,10 +433,6 @@ void vp8cx_create_encoder_threads(VP8_COMP *cpi)
cpi->processor_core_count = 32; //vp8_get_proc_core_count();
- CHECK_MEM_ERROR(cpi->tplist, vpx_malloc(sizeof(TOKENLIST) * cpi->common.mb_rows));
-
-#if CONFIG_MULTITHREAD
-
if (cpi->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1)
{
int ithread;
@@ -488,13 +481,10 @@ void vp8cx_create_encoder_threads(VP8_COMP *cpi)
}
-#endif
}
void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
{
-#if CONFIG_MULTITHREAD
-
if (cpi->b_multi_threaded)
{
//shutdown other threads
@@ -521,7 +511,5 @@ void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
vpx_free(cpi->en_thread_data);
vpx_free(cpi->mt_current_mb_col);
}
-
-#endif
- vpx_free(cpi->tplist);
}
+#endif
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index 912d64179c9a6c40de39b0f2bad2558c774b7d75..fc908df064d387c8f4454b8987071e56d3990a95 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -262,6 +262,9 @@ static void setup_features(VP8_COMP *cpi)
void vp8_dealloc_compressor_data(VP8_COMP *cpi)
{
+ vpx_free(cpi->tplist);
+ cpi->tplist = NULL;
+
// Delete last frame MV storage buffers
if (cpi->lfmv != 0)
vpx_free(cpi->lfmv);
@@ -1476,6 +1479,8 @@ void vp8_alloc_compressor_data(VP8_COMP *cpi)
else
cpi->mt_sync_range = 16;
#endif
+
+ CHECK_MEM_ERROR(cpi->tplist, vpx_malloc(sizeof(TOKENLIST) * cpi->common.mb_rows));
}
@@ -2427,7 +2432,9 @@ VP8_PTR vp8_create_compressor(VP8_CONFIG *oxcf)
init_mv_ref_counts();
#endif
+#if CONFIG_MULTITHREAD
vp8cx_create_encoder_threads(cpi);
+#endif
cpi->fn_ptr[BLOCK_16X16].sdf = VARIANCE_INVOKE(&cpi->rtcd.variance, sad16x16);
cpi->fn_ptr[BLOCK_16X16].vf = VARIANCE_INVOKE(&cpi->rtcd.variance, var16x16);
@@ -2702,7 +2709,9 @@ void vp8_remove_compressor(VP8_PTR *ptr)
}
+#if CONFIG_MULTITHREAD
vp8cx_remove_encoder_threads(cpi);
+#endif
vp8_dealloc_compressor_data(cpi);
vpx_free(cpi->mb.ss);
diff --git a/vp8/encoder/onyx_int.h b/vp8/encoder/onyx_int.h
index e8a452dca7e65baa409c1e94cd39cd23c53d28b7..0289b4a4510b994eed12c71080df1f2953957bc0 100644
--- a/vp8/encoder/onyx_int.h
+++ b/vp8/encoder/onyx_int.h
@@ -589,6 +589,7 @@ typedef struct
int cyclic_refresh_q;
signed char *cyclic_refresh_map;
+#if CONFIG_MULTITHREAD
// multithread data
int * mt_current_mb_col;
int mt_sync_range;
@@ -596,13 +597,10 @@ typedef struct
int b_multi_threaded;
int encoding_thread_count;
-#if CONFIG_MULTITHREAD
pthread_t *h_encoding_thread;
-#endif
MB_ROW_COMP *mb_row_ei;
ENCODETHREAD_DATA *en_thread_data;
-#if CONFIG_MULTITHREAD
//events
sem_t *h_event_start_encoding;
sem_t h_event_end_encoding;
diff --git a/vp8/vp8cx.mk b/vp8/vp8cx.mk
index 932f145e6d530704948ab5fa376b609bc0d2171d..1ec26e69e95178d22e92f71b81b8ea27a24a0a9e 100644
--- a/vp8/vp8cx.mk
+++ b/vp8/vp8cx.mk
@@ -42,7 +42,7 @@ VP8_CX_SRCS-yes += encoder/encodeframe.c
VP8_CX_SRCS-yes += encoder/encodeintra.c
VP8_CX_SRCS-yes += encoder/encodemb.c
VP8_CX_SRCS-yes += encoder/encodemv.c
-VP8_CX_SRCS-yes += encoder/ethreading.c
+VP8_CX_SRCS-$(CONFIG_MULTITHREAD) += encoder/ethreading.c
VP8_CX_SRCS-yes += encoder/firstpass.c
VP8_CX_SRCS-yes += encoder/generic/csystemdependent.c
VP8_CX_SRCS-yes += encoder/block.h
diff --git a/vp8/vp8dx.mk b/vp8/vp8dx.mk
index 1acd67453505475c58ac2fe92c66b0b556e72e9e..62f6211f644298ec2abe020df6c3a8bd92a9a132 100644
--- a/vp8/vp8dx.mk
+++ b/vp8/vp8dx.mk
@@ -65,7 +65,7 @@ VP8_DX_SRCS-yes += decoder/detokenize.h
VP8_DX_SRCS-yes += decoder/onyxd_int.h
VP8_DX_SRCS-yes += decoder/treereader.h
VP8_DX_SRCS-yes += decoder/onyxd_if.c
-VP8_DX_SRCS-yes += decoder/threading.c
+VP8_DX_SRCS-$(CONFIG_MULTITHREAD) += decoder/threading.c
VP8_DX_SRCS-yes += decoder/idct_blk.c
VP8_DX_SRCS-$(CONFIG_MULTITHREAD) += decoder/reconintra_mt.h
VP8_DX_SRCS-$(CONFIG_MULTITHREAD) += decoder/reconintra_mt.c