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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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 |
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21 | 21 |
22 typedef struct { | 22 typedef struct { |
23 RATE_CONTROL rc; | 23 RATE_CONTROL rc; |
24 int target_bandwidth; | 24 int target_bandwidth; |
25 double framerate; | 25 double framerate; |
26 int avg_frame_size; | 26 int avg_frame_size; |
27 TWO_PASS twopass; | 27 TWO_PASS twopass; |
28 struct vpx_fixed_buf rc_twopass_stats_in; | 28 struct vpx_fixed_buf rc_twopass_stats_in; |
29 unsigned int current_video_frame_in_layer; | 29 unsigned int current_video_frame_in_layer; |
30 int is_key_frame; | 30 int is_key_frame; |
| 31 vpx_svc_parameters_t svc_params_received; |
31 } LAYER_CONTEXT; | 32 } LAYER_CONTEXT; |
32 | 33 |
33 typedef struct { | 34 typedef struct { |
34 int spatial_layer_id; | 35 int spatial_layer_id; |
35 int temporal_layer_id; | 36 int temporal_layer_id; |
36 int number_spatial_layers; | 37 int number_spatial_layers; |
37 int number_temporal_layers; | 38 int number_temporal_layers; |
38 // Layer context used for rate control in one pass temporal CBR mode or | 39 // Layer context used for rate control in one pass temporal CBR mode or |
39 // two pass spatial mode. Defined for temporal or spatial layers for now. | 40 // two pass spatial mode. Defined for temporal or spatial layers for now. |
40 // Does not support temporal combined with spatial RC. | 41 // Does not support temporal combined with spatial RC. |
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67 | 68 |
68 // Initialize second pass rc for spatial svc. | 69 // Initialize second pass rc for spatial svc. |
69 void vp9_init_second_pass_spatial_svc(struct VP9_COMP *cpi); | 70 void vp9_init_second_pass_spatial_svc(struct VP9_COMP *cpi); |
70 | 71 |
71 // Increment number of video frames in layer | 72 // Increment number of video frames in layer |
72 void vp9_inc_frame_in_layer(SVC *svc); | 73 void vp9_inc_frame_in_layer(SVC *svc); |
73 | 74 |
74 // Check if current layer is key frame in spatial upper layer | 75 // Check if current layer is key frame in spatial upper layer |
75 int vp9_is_upper_layer_key_frame(const struct VP9_COMP *const cpi); | 76 int vp9_is_upper_layer_key_frame(const struct VP9_COMP *const cpi); |
76 | 77 |
| 78 // Copy the source image, flags and svc parameters into a new framebuffer |
| 79 // with the expected stride/border |
| 80 int vp9_svc_lookahead_push(const struct VP9_COMP *const cpi, |
| 81 struct lookahead_ctx *ctx, YV12_BUFFER_CONFIG *src, |
| 82 int64_t ts_start, int64_t ts_end, |
| 83 unsigned int flags); |
| 84 |
| 85 // Get the next source buffer to encode |
| 86 struct lookahead_entry *vp9_svc_lookahead_pop(struct VP9_COMP *const cpi, |
| 87 struct lookahead_ctx *ctx, |
| 88 int drain); |
| 89 |
| 90 // Get a future source buffer to encode |
| 91 struct lookahead_entry *vp9_svc_lookahead_peek(struct VP9_COMP *const cpi, |
| 92 struct lookahead_ctx *ctx, |
| 93 int index, int copy_params); |
| 94 |
77 #ifdef __cplusplus | 95 #ifdef __cplusplus |
78 } // extern "C" | 96 } // extern "C" |
79 #endif | 97 #endif |
80 | 98 |
81 #endif // VP9_ENCODER_VP9_SVC_LAYERCONTEXT_ | 99 #endif // VP9_ENCODER_VP9_SVC_LAYERCONTEXT_ |
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