ref: c34d91a84eaca1df605e92f1854677cac5b6a3f5
parent: aabae97e57378356cdc8c94af5e369f8363b9831
parent: 52cf4dcaea10f97d25d8a3585704a1e47b384751
author: Scott LaVarnway <slavarnway@google.com>
date: Thu Mar 1 01:20:02 EST 2012
Merge "Packing bitstream on-the-fly with delayed context updates"
--- a/configure
+++ b/configure
@@ -39,6 +39,7 @@
${toggle_multithread} multithreaded encoding and decoding ${toggle_spatial_resampling} spatial sampling (scaling) support ${toggle_realtime_only} enable this option while building for real-time encoding+ ${toggle_onthefly_bitpacking} enable on-the-fly bitpacking in real-time encoding ${toggle_error_concealment} enable this option to get a decoder which is able to conceal losses ${toggle_runtime_cpu_detect} runtime cpu detection ${toggle_shared} shared library support@@ -253,6 +254,7 @@
static_msvcrt
spatial_resampling
realtime_only
+ onthefly_bitpacking
error_concealment
shared
static
@@ -297,6 +299,7 @@
mem_tracker
spatial_resampling
realtime_only
+ onthefly_bitpacking
error_concealment
shared
static
--- a/vp8/encoder/bitstream.c
+++ b/vp8/encoder/bitstream.c
@@ -24,6 +24,7 @@
#include "bitstream.h"
#include "defaultcoefcounts.h"
+#include "vp8/common/common.h"
const int vp8cx_base_skip_false_prob[128] =
{@@ -159,7 +160,7 @@
);
}
-static void pack_tokens_c(vp8_writer *w, const TOKENEXTRA *p, int xcount)
+void vp8_pack_tokens_c(vp8_writer *w, const TOKENEXTRA *p, int xcount)
{const TOKENEXTRA *const stop = p + xcount;
unsigned int split;
@@ -398,7 +399,7 @@
const TOKENEXTRA *stop = cpi->tplist[mb_row].stop;
int tokens = stop - p;
- pack_tokens_c(w, p, tokens);
+ vp8_pack_tokens_c(w, p, tokens);
}
vp8_stop_encode(w);
@@ -417,7 +418,7 @@
const TOKENEXTRA *stop = cpi->tplist[mb_row].stop;
int tokens = stop - p;
- pack_tokens_c(w, p, tokens);
+ vp8_pack_tokens_c(w, p, tokens);
}
}
@@ -783,6 +784,7 @@
}
}
+#if 0
/* This function is used for debugging probability trees. */
static void print_prob_tree(vp8_prob
coef_probs[BLOCK_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES])
@@ -814,6 +816,7 @@
fprintf(f, "}\n");
fclose(f);
}
+#endif
static void sum_probs_over_prev_coef_context(
const unsigned int probs[PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS],
@@ -943,7 +946,6 @@
int t = 0; /* token/prob index */
-
vp8_tree_probs_from_distribution(
MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
cpi->frame_coef_probs [i][j][k],
@@ -1048,10 +1050,33 @@
return savings;
}
-static void update_coef_probs(VP8_COMP *cpi)
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+int vp8_update_coef_context(VP8_COMP *cpi)
{+ int savings = 0;
+
+
+ if (cpi->common.frame_type == KEY_FRAME)
+ {+ /* Reset to default counts/probabilities at key frames */
+ vp8_copy(cpi->coef_counts, default_coef_counts);
+ }
+
+ if (cpi->oxcf.error_resilient_mode & VPX_ERROR_RESILIENT_PARTITIONS)
+ savings += independent_coef_context_savings(cpi);
+ else
+ savings += default_coef_context_savings(cpi);
+
+ return savings;
+}
+#endif
+
+void vp8_update_coef_probs(VP8_COMP *cpi)
+{int i = 0;
+#if !(CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
vp8_writer *const w = cpi->bc;
+#endif
int savings = 0;
vp8_clear_system_state(); //__asm emms;
@@ -1131,7 +1156,11 @@
cpi->common.frame_type == KEY_FRAME && newp != *Pold)
u = 1;
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ cpi->update_probs[i][j][k][t] = u;
+#else
vp8_write(w, u, upd);
+#endif
#ifdef ENTROPY_STATS
@@ -1143,7 +1172,9 @@
/* send/use new probability */
*Pold = newp;
+#if !(CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
vp8_write_literal(w, newp, 8);
+#endif
savings += s;
@@ -1172,6 +1203,50 @@
while (++i < BLOCK_TYPES);
}
+
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+static void pack_coef_probs(VP8_COMP *cpi)
+{+ int i = 0;
+ vp8_writer *const w = cpi->bc;
+
+ do
+ {+ int j = 0;
+
+ do
+ {+ int k = 0;
+
+ do
+ {+ int t = 0; /* token/prob index */
+
+ do
+ {+ const vp8_prob newp = cpi->common.fc.coef_probs [i][j][k][t];
+ const vp8_prob upd = vp8_coef_update_probs [i][j][k][t];
+
+ const char u = cpi->update_probs[i][j][k][t] ;
+
+ vp8_write(w, u, upd);
+
+ if (u)
+ {+ /* send/use new probability */
+ vp8_write_literal(w, newp, 8);
+ }
+ }
+ while (++t < ENTROPY_NODES);
+ }
+ while (++k < PREV_COEF_CONTEXTS);
+ }
+ while (++j < COEF_BANDS);
+ }
+ while (++i < BLOCK_TYPES);
+}
+#endif
+
#ifdef PACKET_TESTING
FILE *vpxlogc = 0;
#endif
@@ -1434,6 +1509,7 @@
vp8_write_bit(bc, pc->ref_frame_sign_bias[ALTREF_FRAME]);
}
+#if !(CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
if (cpi->oxcf.error_resilient_mode & VPX_ERROR_RESILIENT_PARTITIONS)
{if (pc->frame_type == KEY_FRAME)
@@ -1441,6 +1517,7 @@
else
pc->refresh_entropy_probs = 0;
}
+#endif
vp8_write_bit(bc, pc->refresh_entropy_probs);
@@ -1458,6 +1535,9 @@
vp8_clear_system_state(); //__asm emms;
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ pack_coef_probs(cpi);
+#else
if (pc->refresh_entropy_probs == 0)
{// save a copy for later refresh
@@ -1464,7 +1544,8 @@
vpx_memcpy(&cpi->common.lfc, &cpi->common.fc, sizeof(cpi->common.fc));
}
- update_coef_probs(cpi);
+ vp8_update_coef_probs(cpi);
+#endif
#ifdef ENTROPY_STATS
active_section = 2;
@@ -1512,6 +1593,45 @@
cpi->partition_sz[0] = *size;
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ {+ const int num_part = (1 << pc->multi_token_partition);
+ unsigned char * dp = cpi->partition_d[0] + cpi->partition_sz[0];
+
+ if (num_part > 1)
+ {+ /* write token part sizes (all but last) if more than 1 */
+ validate_buffer(dp, 3 * (num_part - 1), cpi->partition_d_end[0],
+ &pc->error);
+
+ cpi->partition_sz[0] += 3*(num_part-1);
+
+ for(i = 1; i < num_part; i++)
+ {+ write_partition_size(dp, cpi->partition_sz[i]);
+ dp += 3;
+ }
+ }
+
+ if (!cpi->output_partition)
+ {+ /* concatenate partition buffers */
+ for(i = 0; i < num_part; i++)
+ {+ vpx_memmove(dp, cpi->partition_d[i+1], cpi->partition_sz[i+1]);
+ cpi->partition_d[i+1] = dp;
+ dp += cpi->partition_sz[i+1];
+ }
+ }
+
+ /* update total size */
+ *size = 0;
+ for(i = 0; i < num_part+1; i++)
+ {+ *size += cpi->partition_sz[i];
+ }
+ }
+#else
if (pc->multi_token_partition != ONE_PARTITION)
{int num_part = 1 << pc->multi_token_partition;
@@ -1561,6 +1681,7 @@
*size += cpi->bc[1].pos;
cpi->partition_sz[1] = cpi->bc[1].pos;
}
+#endif
}
#ifdef ENTROPY_STATS
--- a/vp8/encoder/bitstream.h
+++ b/vp8/encoder/bitstream.h
@@ -35,7 +35,10 @@
# define pack_mb_row_tokens(a,b) \
vp8cx_pack_mb_row_tokens_armv5(a,b,vp8_coef_encodings,vp8_extra_bits,vp8_coef_tree)
#else
-# define pack_tokens(a,b,c) pack_tokens_c(a,b,c)
+
+void vp8_pack_tokens_c(vp8_writer *w, const TOKENEXTRA *p, int xcount);
+
+# define pack_tokens(a,b,c) vp8_pack_tokens_c(a,b,c)
# define pack_tokens_into_partitions(a,b,c,d) pack_tokens_into_partitions_c(a,b,c,d)
# define pack_mb_row_tokens(a,b) pack_mb_row_tokens_c(a,b)
#endif
--- a/vp8/encoder/encodeframe.c
+++ b/vp8/encoder/encodeframe.c
@@ -28,6 +28,9 @@
#include <limits.h>
#include "vp8/common/invtrans.h"
#include "vpx_ports/vpx_timer.h"
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+#include "bitstream.h"
+#endif
extern void vp8_stuff_mb(VP8_COMP *cpi, MACROBLOCKD *x, TOKENEXTRA **t) ;
extern void vp8_calc_ref_frame_costs(int *ref_frame_cost,
@@ -373,10 +376,17 @@
int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
int map_index = (mb_row * cpi->common.mb_cols);
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ const int num_part = (1 << cm->multi_token_partition);
+ TOKENEXTRA * tp_start = cpi->tok;
+ vp8_writer *w;
+#endif
+
#if CONFIG_MULTITHREAD
const int nsync = cpi->mt_sync_range;
- const int rightmost_col = cm->mb_cols - 1;
+ const int rightmost_col = cm->mb_cols + nsync;
volatile const int *last_row_current_mb_col;
+ volatile int *current_mb_col = &cpi->mt_current_mb_col[mb_row];
if ((cpi->b_multi_threaded != 0) && (mb_row != 0))
last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
@@ -384,6 +394,13 @@
last_row_current_mb_col = &rightmost_col;
#endif
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ if(num_part > 1)
+ w= &cpi->bc[1 + (mb_row % num_part)];
+ else
+ w = &cpi->bc[1];
+#endif
+
// reset above block coeffs
xd->above_context = cm->above_context;
@@ -411,6 +428,10 @@
// for each macroblock col in image
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
{+
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ *tp = cpi->tok;
+#endif
// Distance of Mb to the left & right edges, specified in
// 1/8th pel units as they are always compared to values
// that are in 1/8th pel units
@@ -435,12 +456,13 @@
vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
#if CONFIG_MULTITHREAD
- if ((cpi->b_multi_threaded != 0) && (mb_row != 0))
+ if (cpi->b_multi_threaded != 0)
{+ *current_mb_col = mb_col - 1; // set previous MB done
+
if ((mb_col & (nsync - 1)) == 0)
{- while (mb_col > (*last_row_current_mb_col - nsync)
- && (*last_row_current_mb_col) != (cm->mb_cols - 1))
+ while (mb_col > (*last_row_current_mb_col - nsync))
{x86_pause_hint();
thread_sleep(0);
@@ -495,13 +517,13 @@
#endif
- // Count of last ref frame 0,0 useage
+ // Count of last ref frame 0,0 usage
if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
cpi->inter_zz_count ++;
// Special case code for cyclic refresh
// If cyclic update enabled then copy xd->mbmi.segment_id; (which may have been updated based on mode
- // during vp8cx_encode_inter_macroblock()) back into the global sgmentation map
+ // during vp8cx_encode_inter_macroblock()) back into the global segmentation map
if ((cpi->current_layer == 0) &&
(cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled))
{@@ -525,7 +547,14 @@
cpi->tplist[mb_row].stop = *tp;
- // Increment pointer into gf useage flags structure.
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ /* pack tokens for this MB */
+ {+ int tok_count = *tp - tp_start;
+ pack_tokens(w, tp_start, tok_count);
+ }
+#endif
+ // Increment pointer into gf usage flags structure.
x->gf_active_ptr++;
// Increment the activity mask pointers.
@@ -539,39 +568,29 @@
recon_yoffset += 16;
recon_uvoffset += 8;
- // Keep track of segment useage
+ // Keep track of segment usage
segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
// skip to next mb
xd->mode_info_context++;
x->partition_info++;
-
xd->above_context++;
-#if CONFIG_MULTITHREAD
- if (cpi->b_multi_threaded != 0)
- {- cpi->mt_current_mb_col[mb_row] = mb_col;
- }
-#endif
}
//extend the recon for intra prediction
- vp8_extend_mb_row(
- &cm->yv12_fb[dst_fb_idx],
- xd->dst.y_buffer + 16,
- xd->dst.u_buffer + 8,
- xd->dst.v_buffer + 8);
+ vp8_extend_mb_row( &cm->yv12_fb[dst_fb_idx],
+ xd->dst.y_buffer + 16,
+ xd->dst.u_buffer + 8,
+ xd->dst.v_buffer + 8);
+#if CONFIG_MULTITHREAD
+ if (cpi->b_multi_threaded != 0)
+ *current_mb_col = rightmost_col;
+#endif
+
// this is to account for the border
xd->mode_info_context++;
x->partition_info++;
-
-#if CONFIG_MULTITHREAD
- if ((cpi->b_multi_threaded != 0) && (mb_row == cm->mb_rows - 1))
- {- sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */
- }
-#endif
}
void init_encode_frame_mb_context(VP8_COMP *cpi)
@@ -599,7 +618,7 @@
if (cm->frame_type == KEY_FRAME)
vp8_init_mbmode_probs(cm);
- // Copy data over into macro block data sturctures.
+ // Copy data over into macro block data structures.
x->src = * cpi->Source;
xd->pre = cm->yv12_fb[cm->lst_fb_idx];
xd->dst = cm->yv12_fb[cm->new_fb_idx];
@@ -656,10 +675,13 @@
MACROBLOCK *const x = & cpi->mb;
VP8_COMMON *const cm = & cpi->common;
MACROBLOCKD *const xd = & x->e_mbd;
-
TOKENEXTRA *tp = cpi->tok;
int segment_counts[MAX_MB_SEGMENTS];
int totalrate;
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ BOOL_CODER * bc = &cpi->bc[1]; // bc[0] is for control partition
+ const int num_part = (1 << cm->multi_token_partition);
+#endif
vpx_memset(segment_counts, 0, sizeof(segment_counts));
totalrate = 0;
@@ -694,6 +716,7 @@
cpi->prediction_error = 0;
cpi->intra_error = 0;
cpi->skip_true_count = 0;
+ cpi->tok_count = 0;
#if 0
// Experimental code
@@ -704,6 +727,7 @@
xd->mode_info_context = cm->mi;
vp8_zero(cpi->MVcount);
+
vp8_zero(cpi->coef_counts);
vp8cx_frame_init_quantizer(cpi);
@@ -722,10 +746,23 @@
build_activity_map(cpi);
}
- // re-initencode frame context.
+ // re-init encode frame context.
init_encode_frame_mb_context(cpi);
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
{+ int i;
+ for(i = 0; i < num_part; i++)
+ {+ vp8_start_encode(&bc[i], cpi->partition_d[i + 1],
+ cpi->partition_d_end[i + 1]);
+ bc[i].error = &cm->error;
+ }
+ }
+
+#endif
+
+ {struct vpx_usec_timer emr_timer;
vpx_usec_timer_start(&emr_timer);
@@ -748,7 +785,11 @@
{vp8_zero(cm->left_context)
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ tp = cpi->tok;
+#else
tp = cpi->tok + mb_row * (cm->mb_cols * 16 * 24);
+#endif
encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
@@ -761,12 +802,14 @@
x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;
+ if(mb_row == cm->mb_rows - 1)
+ {+ sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */
+ }
}
sem_wait(&cpi->h_event_end_encoding); /* wait for other threads to finish */
- cpi->tok_count = 0;
-
for (mb_row = 0; mb_row < cm->mb_rows; mb_row ++)
{cpi->tok_count += cpi->tplist[mb_row].stop - cpi->tplist[mb_row].start;
@@ -799,9 +842,12 @@
// for each macroblock row in image
for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
{-
vp8_zero(cm->left_context)
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ tp = cpi->tok;
+#endif
+
encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
// adjust to the next row of mbs
@@ -811,16 +857,25 @@
}
cpi->tok_count = tp - cpi->tok;
+ }
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ {+ int i;
+ for(i = 0; i < num_part; i++)
+ {+ vp8_stop_encode(&bc[i]);
+ cpi->partition_sz[i+1] = bc[i].pos;
+ }
}
+#endif
vpx_usec_timer_mark(&emr_timer);
cpi->time_encode_mb_row += vpx_usec_timer_elapsed(&emr_timer);
-
}
- // Work out the segment probabilites if segmentation is enabled
+ // Work out the segment probabilities if segmentation is enabled
if (xd->segmentation_enabled)
{int tot_count;
@@ -908,8 +963,9 @@
}
#endif
- // Adjust the projected reference frame useage probability numbers to reflect
- // what we have just seen. This may be usefull when we make multiple itterations
+#if ! CONFIG_REALTIME_ONLY
+ // Adjust the projected reference frame usage probability numbers to reflect
+ // what we have just seen. This may be useful when we make multiple iterations
// of the recode loop rather than continuing to use values from the previous frame.
if ((cm->frame_type != KEY_FRAME) && ((cpi->oxcf.number_of_layers > 1) ||
(!cm->refresh_alt_ref_frame && !cm->refresh_golden_frame)))
@@ -916,12 +972,7 @@
{vp8_convert_rfct_to_prob(cpi);
}
-
-#if 0
- // Keep record of the total distortion this time around for future use
- cpi->last_frame_distortion = cpi->frame_distortion;
#endif
-
}
void vp8_setup_block_ptrs(MACROBLOCK *x)
{--- a/vp8/encoder/ethreading.c
+++ b/vp8/encoder/ethreading.c
@@ -13,6 +13,8 @@
#include "vp8/common/common.h"
#include "vp8/common/extend.h"
+#include "bitstream.h"
+
#if CONFIG_MULTITHREAD
extern int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x,
@@ -74,6 +76,10 @@
MACROBLOCK *x = &mbri->mb;
MACROBLOCKD *xd = &x->e_mbd;
TOKENEXTRA *tp ;
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ TOKENEXTRA *tp_start = cpi->tok + (1 + ithread) * (16 * 24);
+ const int num_part = (1 << cm->multi_token_partition);
+#endif
int *segment_counts = mbri->segment_counts;
int *totalrate = &mbri->totalrate;
@@ -91,9 +97,15 @@
int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
int map_index = (mb_row * cm->mb_cols);
- volatile int *last_row_current_mb_col;
+ volatile const int *last_row_current_mb_col;
+ volatile int *current_mb_col = &cpi->mt_current_mb_col[mb_row];
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ vp8_writer *w = &cpi->bc[1 + (mb_row % num_part)];
+#else
tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24));
+ cpi->tplist[mb_row].start = tp;
+#endif
last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
@@ -107,10 +119,6 @@
recon_yoffset = (mb_row * recon_y_stride * 16);
recon_uvoffset = (mb_row * recon_uv_stride * 8);
- cpi->tplist[mb_row].start = tp;
-
- //printf("Thread mb_row = %d\n", mb_row);-
// Set the mb activity pointer to the start of the row.
x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
@@ -117,9 +125,11 @@
// for each macroblock col in image
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
{+ *current_mb_col = mb_col - 1;
+
if ((mb_col & (nsync - 1)) == 0)
{- while (mb_col > (*last_row_current_mb_col - nsync) && *last_row_current_mb_col != cm->mb_cols - 1)
+ while (mb_col > (*last_row_current_mb_col - nsync))
{x86_pause_hint();
thread_sleep(0);
@@ -126,6 +136,10 @@
}
}
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ tp = tp_start;
+#endif
+
// Distance of Mb to the various image edges.
// These specified to 8th pel as they are always compared to values that are in 1/8th pel units
xd->mb_to_left_edge = -((mb_col * 16) << 3);
@@ -154,7 +168,7 @@
vp8_activity_masking(cpi, x);
// Is segmentation enabled
- // MB level adjutment to quantizer
+ // MB level adjustment to quantizer
if (xd->segmentation_enabled)
{// Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)
@@ -196,13 +210,13 @@
#endif
- // Count of last ref frame 0,0 useage
+ // Count of last ref frame 0,0 usage
if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
cpi->inter_zz_count++;
// Special case code for cyclic refresh
// If cyclic update enabled then copy xd->mbmi.segment_id; (which may have been updated based on mode
- // during vp8cx_encode_inter_macroblock()) back into the global sgmentation map
+ // during vp8cx_encode_inter_macroblock()) back into the global segmentation map
if (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)
{const MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
@@ -223,9 +237,17 @@
}
}
- cpi->tplist[mb_row].stop = tp;
- // Increment pointer into gf useage flags structure.
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ /* pack tokens for this MB */
+ {+ int tok_count = tp - tp_start;
+ pack_tokens(w, tp_start, tok_count);
+ }
+#else
+ cpi->tplist[mb_row].stop = tp;
+#endif
+ // Increment pointer into gf usage flags structure.
x->gf_active_ptr++;
// Increment the activity mask pointers.
@@ -239,7 +261,7 @@
recon_yoffset += 16;
recon_uvoffset += 8;
- // Keep track of segment useage
+ // Keep track of segment usage
segment_counts[xd->mode_info_context->mbmi.segment_id]++;
// skip to next mb
@@ -246,17 +268,15 @@
xd->mode_info_context++;
x->partition_info++;
xd->above_context++;
-
- cpi->mt_current_mb_col[mb_row] = mb_col;
}
- //extend the recon for intra prediction
- vp8_extend_mb_row(
- &cm->yv12_fb[dst_fb_idx],
- xd->dst.y_buffer + 16,
- xd->dst.u_buffer + 8,
- xd->dst.v_buffer + 8);
+ vp8_extend_mb_row( &cm->yv12_fb[dst_fb_idx],
+ xd->dst.y_buffer + 16,
+ xd->dst.u_buffer + 8,
+ xd->dst.v_buffer + 8);
+ *current_mb_col = mb_col + nsync;
+
// this is to account for the border
xd->mode_info_context++;
x->partition_info++;
@@ -271,7 +291,6 @@
if (mb_row == cm->mb_rows - 1)
{- //SetEvent(cpi->h_event_main);
sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */
}
}
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -42,6 +42,11 @@
#include <stdio.h>
#include <limits.h>
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+extern int vp8_update_coef_context(VP8_COMP *cpi);
+extern void vp8_update_coef_probs(VP8_COMP *cpi);
+#endif
+
extern void vp8cx_pick_filter_level_fast(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi);
extern void vp8cx_set_alt_lf_level(VP8_COMP *cpi, int filt_val);
extern void vp8cx_pick_filter_level(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi);
@@ -1106,8 +1111,11 @@
vpx_free(cpi->tok);
{+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ unsigned int tokens = 8 * 24 * 16; /* one MB for each thread */
+#else
unsigned int tokens = cm->mb_rows * cm->mb_cols * 24 * 16;
-
+#endif
CHECK_MEM_ERROR(cpi->tok, vpx_calloc(tokens, sizeof(*cpi->tok)));
}
@@ -1514,6 +1522,10 @@
cm->refresh_last_frame = 1;
cm->refresh_entropy_probs = 1;
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ cpi->oxcf.token_partitions = 3;
+#endif
+
if (cpi->oxcf.token_partitions >= 0 && cpi->oxcf.token_partitions <= 3)
cm->multi_token_partition =
(TOKEN_PARTITION) cpi->oxcf.token_partitions;
@@ -3725,12 +3737,40 @@
}
#endif
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ {+ if(cpi->oxcf.error_resilient_mode)
+ cm->refresh_entropy_probs = 0;
+
+ if (cpi->oxcf.error_resilient_mode & VPX_ERROR_RESILIENT_PARTITIONS)
+ {+ if (cm->frame_type == KEY_FRAME)
+ cm->refresh_entropy_probs = 1;
+ }
+
+ if (cm->refresh_entropy_probs == 0)
+ {+ // save a copy for later refresh
+ vpx_memcpy(&cm->lfc, &cm->fc, sizeof(cm->fc));
+ }
+
+ vp8_update_coef_context(cpi);
+
+ vp8_update_coef_probs(cpi);
+
+ // transform / motion compensation build reconstruction frame
+ // +pack coef partitions
+ vp8_encode_frame(cpi);
+
+ /* cpi->projected_frame_size is not needed for RT mode */
+ }
+#else
// transform / motion compensation build reconstruction frame
vp8_encode_frame(cpi);
cpi->projected_frame_size -= vp8_estimate_entropy_savings(cpi);
cpi->projected_frame_size = (cpi->projected_frame_size > 0) ? cpi->projected_frame_size : 0;
-
+#endif
vp8_clear_system_state(); //__asm emms;
// Test to see if the stats generated for this frame indicate that we should have coded a key frame
@@ -4093,10 +4133,12 @@
update_reference_frames(cm);
+#if !(CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
if (cpi->oxcf.error_resilient_mode)
{cm->refresh_entropy_probs = 0;
}
+#endif
#if CONFIG_MULTITHREAD
/* wait that filter_level is picked so that we can continue with stream packing */
@@ -4818,6 +4860,29 @@
vpx_usec_timer_start(&tsctimer);
vpx_usec_timer_start(&ticktimer);
}
+
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ {+ int i;
+ const int num_part = (1 << cm->multi_token_partition);
+ /* the available bytes in dest */
+ const unsigned long dest_size = dest_end - dest;
+ const int tok_part_buff_size = (dest_size * 9) / (10 * num_part);
+
+ unsigned char *dp = dest;
+
+ cpi->partition_d[0] = dp;
+ dp += dest_size/10; /* reserve 1/10 for control partition */
+ cpi->partition_d_end[0] = dp;
+
+ for(i = 0; i < num_part; i++)
+ {+ cpi->partition_d[i + 1] = dp;
+ dp += tok_part_buff_size;
+ cpi->partition_d_end[i + 1] = dp;
+ }
+ }
+#endif
// start with a 0 size frame
*size = 0;
--- a/vp8/encoder/onyx_int.h
+++ b/vp8/encoder/onyx_int.h
@@ -443,9 +443,12 @@
unsigned int MVcount [2] [MVvals]; /* (row,col) MV cts this frame */
unsigned int coef_counts [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]; /* for this frame */
+
//DECLARE_ALIGNED(16, int, coef_counts_backup [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]); //not used any more
//save vp8_tree_probs_from_distribution result for each frame to avoid repeat calculation
vp8_prob frame_coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+ char update_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+
unsigned int frame_branch_ct [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2];
int gfu_boost;
@@ -543,6 +546,8 @@
TOKENLIST *tplist;
unsigned int partition_sz[MAX_PARTITIONS];
+ unsigned char *partition_d[MAX_PARTITIONS];
+ unsigned char *partition_d_end[MAX_PARTITIONS];
// end of multithread data
--- a/vp8/vp8_cx_iface.c
+++ b/vp8/vp8_cx_iface.c
@@ -66,7 +66,11 @@
0, /* noise_sensitivity */
0, /* Sharpness */
0, /* static_thresh */
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ VP8_EIGHT_TOKENPARTITION,
+#else
VP8_ONE_TOKENPARTITION, /* token_partitions */
+#endif
0, /* arnr_max_frames */
3, /* arnr_strength */
3, /* arnr_type*/
@@ -241,6 +245,11 @@
RANGE_CHECK_HI(cfg, ts_layer_id[i], cfg->ts_number_layers-1);
}
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ if(cfg->g_threads > (1 << vp8_cfg->token_partitions))
+ ERROR("g_threads cannot be bigger than number of token partitions");+#endif
+
return VPX_CODEC_OK;
}
@@ -919,7 +928,13 @@
for (i = 0; i < num_partitions; ++i)
{+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ pkt.data.frame.buf = cpi->partition_d[i];
+#else
pkt.data.frame.buf = cx_data;
+ cx_data += cpi->partition_sz[i];
+ cx_data_sz -= cpi->partition_sz[i];
+#endif
pkt.data.frame.sz = cpi->partition_sz[i];
pkt.data.frame.partition_id = i;
/* don't set the fragment bit for the last partition */
@@ -926,9 +941,15 @@
if (i == (num_partitions - 1))
pkt.data.frame.flags &= ~VPX_FRAME_IS_FRAGMENT;
vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
- cx_data += cpi->partition_sz[i];
- cx_data_sz -= cpi->partition_sz[i];
}
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ /* In lagged mode the encoder can buffer multiple frames.
+ * We don't want this in partitioned output because
+ * partitions are spread all over the output buffer.
+ * So, force an exit!
+ */
+ cx_data_sz -= ctx->cx_data_sz / 2;
+#endif
}
else
{--- a/vpxenc.c
+++ b/vpxenc.c
@@ -489,7 +489,14 @@
if(fwrite(header, 1, 12, outfile));
}
+static void write_ivf_frame_size(FILE *outfile, size_t size)
+{+ char header[4];
+ mem_put_le32(header, size);
+ fwrite(header, 1, 4, outfile);
+}
+
typedef off_t EbmlLoc;
@@ -945,7 +952,6 @@
#include "args.h"
-
static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,"Debug mode (makes output deterministic)");
static const arg_def_t outputfile = ARG_DEF("o", "output", 1,@@ -980,6 +986,8 @@
"Stream frame rate (rate/scale)");
static const arg_def_t use_ivf = ARG_DEF(NULL, "ivf", 0,
"Output IVF (default is WebM)");
+static const arg_def_t out_part = ARG_DEF("P", "output-partitions", 0,+ "Makes encoder output partitions. Requires IVF output!");
static const arg_def_t q_hist_n = ARG_DEF(NULL, "q-hist", 1,
"Show quantizer histogram (n-buckets)");
static const arg_def_t rate_hist_n = ARG_DEF(NULL, "rate-hist", 1,
@@ -989,7 +997,7 @@
&debugmode,
&outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline,
&best_dl, &good_dl, &rt_dl,
- &verbosearg, &psnrarg, &use_ivf, &q_hist_n, &rate_hist_n,
+ &verbosearg, &psnrarg, &use_ivf, &out_part, &q_hist_n, &rate_hist_n,
NULL
};
@@ -1492,6 +1500,7 @@
int show_psnr;
int have_framerate;
struct vpx_rational framerate;
+ int out_part;
int debug;
int show_q_hist_buckets;
int show_rate_hist_buckets;
@@ -1603,6 +1612,8 @@
global->framerate = arg_parse_rational(&arg);
global->have_framerate = 1;
}
+ else if (arg_match(&arg,&out_part, argi))
+ global->out_part = 1;
else if (arg_match(&arg, &debugmode, argi))
global->debug = 1;
else if (arg_match(&arg, &q_hist_n, argi))
@@ -2081,11 +2092,14 @@
struct global_config *global)
{int i;
+ int flags = 0;
+ flags |= global->show_psnr ? VPX_CODEC_USE_PSNR : 0;
+ flags |= global->out_part ? VPX_CODEC_USE_OUTPUT_PARTITION : 0;
+
/* Construct Encoder Context */
vpx_codec_enc_init(&stream->encoder, global->codec->iface,
- &stream->config.cfg,
- global->show_psnr ? VPX_CODEC_USE_PSNR : 0);
+ &stream->config.cfg, flags);
ctx_exit_on_error(&stream->encoder, "Failed to initialize encoder");
/* Note that we bypass the vpx_codec_control wrapper macro because
@@ -2154,12 +2168,18 @@
while ((pkt = vpx_codec_get_cx_data(&stream->encoder, &iter)))
{+ static size_t fsize = 0;
+ static off_t ivf_header_pos = 0;
+
*got_data = 1;
switch (pkt->kind)
{case VPX_CODEC_CX_FRAME_PKT:
- stream->frames_out++;
+ if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT))
+ {+ stream->frames_out++;
+ }
fprintf(stderr, " %6luF",
(unsigned long)pkt->data.frame.sz);
@@ -2175,9 +2195,28 @@
}
else
{- write_ivf_frame_header(stream->file, pkt);
- if(fwrite(pkt->data.frame.buf, 1,
- pkt->data.frame.sz, stream->file));
+ if (pkt->data.frame.partition_id <= 0)
+ {+ ivf_header_pos = ftello(stream->file);
+ fsize = pkt->data.frame.sz;
+
+ write_ivf_frame_header(stream->file, pkt);
+ }
+ else
+ {+ fsize += pkt->data.frame.sz;
+
+ if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT))
+ {+ off_t currpos = ftello(stream->file);
+ fseeko(stream->file, ivf_header_pos, SEEK_SET);
+ write_ivf_frame_size(stream->file, fsize);
+ fseeko(stream->file, currpos, SEEK_SET);
+ }
+ }
+
+ fwrite(pkt->data.frame.buf, 1,
+ pkt->data.frame.sz, stream->file);
}
stream->nbytes += pkt->data.raw.sz;
break;
--
⑨