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Side by Side Diff: source/libvpx/vp8/encoder/ratectrl.c

Issue 1302353004: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 3 months ago
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1 /* 1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 11
12 #include <stdlib.h> 12 #include <stdlib.h>
13 #include <stdio.h> 13 #include <stdio.h>
14 #include <string.h> 14 #include <string.h>
15 #include <limits.h> 15 #include <limits.h>
16 #include <assert.h> 16 #include <assert.h>
17 17
18 #include "math.h" 18 #include "math.h"
19 #include "vp8/common/common.h" 19 #include "vp8/common/common.h"
20 #include "ratectrl.h" 20 #include "ratectrl.h"
21 #include "vp8/common/entropymode.h" 21 #include "vp8/common/entropymode.h"
22 #include "vpx_mem/vpx_mem.h" 22 #include "vpx_mem/vpx_mem.h"
23 #include "vp8/common/systemdependent.h" 23 #include "vp8/common/systemdependent.h"
24 #include "encodemv.h" 24 #include "encodemv.h"
25 #include "vpx_dsp/vpx_dsp_common.h"
25 26
26 27
27 #define MIN_BPB_FACTOR 0.01 28 #define MIN_BPB_FACTOR 0.01
28 #define MAX_BPB_FACTOR 50 29 #define MAX_BPB_FACTOR 50
29 30
30 extern const MB_PREDICTION_MODE vp8_mode_order[MAX_MODES]; 31 extern const MB_PREDICTION_MODE vp8_mode_order[MAX_MODES];
31 32
32 33
33 34
34 #ifdef MODE_STATS 35 #ifdef MODE_STATS
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373 } 374 }
374 else 375 else
375 { 376 {
376 /* if this keyframe was forced, use a more recent Q estimate */ 377 /* if this keyframe was forced, use a more recent Q estimate */
377 int Q = (cpi->common.frame_flags & FRAMEFLAGS_KEY) 378 int Q = (cpi->common.frame_flags & FRAMEFLAGS_KEY)
378 ? cpi->avg_frame_qindex : cpi->ni_av_qi; 379 ? cpi->avg_frame_qindex : cpi->ni_av_qi;
379 380
380 int initial_boost = 32; /* |3.0 * per_frame_bandwidth| */ 381 int initial_boost = 32; /* |3.0 * per_frame_bandwidth| */
381 /* Boost depends somewhat on frame rate: only used for 1 layer case. */ 382 /* Boost depends somewhat on frame rate: only used for 1 layer case. */
382 if (cpi->oxcf.number_of_layers == 1) { 383 if (cpi->oxcf.number_of_layers == 1) {
383 kf_boost = MAX(initial_boost, (int)(2 * cpi->output_framerate - 16)); 384 kf_boost = VPXMAX(initial_boost,
385 (int)(2 * cpi->output_framerate - 16));
384 } 386 }
385 else { 387 else {
386 /* Initial factor: set target size to: |3.0 * per_frame_bandwidth|. */ 388 /* Initial factor: set target size to: |3.0 * per_frame_bandwidth|. */
387 kf_boost = initial_boost; 389 kf_boost = initial_boost;
388 } 390 }
389 391
390 /* adjustment up based on q: this factor ranges from ~1.2 to 2.2. */ 392 /* adjustment up based on q: this factor ranges from ~1.2 to 2.2. */
391 kf_boost = kf_boost * kf_boost_qadjustment[Q] / 100; 393 kf_boost = kf_boost * kf_boost_qadjustment[Q] / 100;
392 394
393 /* frame separation adjustment ( down) */ 395 /* frame separation adjustment ( down) */
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1600 } else { 1602 } else {
1601 cpi->force_maxqp = 0; 1603 cpi->force_maxqp = 0;
1602 return 0; 1604 return 0;
1603 } 1605 }
1604 cpi->force_maxqp = 0; 1606 cpi->force_maxqp = 0;
1605 return 0; 1607 return 0;
1606 } 1608 }
1607 cpi->force_maxqp = 0; 1609 cpi->force_maxqp = 0;
1608 return 0; 1610 return 0;
1609 } 1611 }
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