1 /* GStreamer
2 * Copyright (C) <2017> Sean DuBois <sean@siobud.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19 /**
20 * SECTION:element-av1enc
21 *
22 * AV1 Encoder.
23 *
24 * <refsect2>
25 * <title>Example launch line</title>
26 * |[
27 * gst-launch-1.0 videotestsrc num-buffers=50 ! av1enc ! webmmux ! filesink location=av1.webm
28 * ]|
29 * </refsect2>
30 */
31
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35
36 #include "gstav1enc.h"
37 #include "gstav1utils.h"
38 #include <gst/video/video.h>
39 #include <gst/video/gstvideometa.h>
40 #include <gst/base/base.h>
41
42 #define GST_AV1_ENC_APPLY_CODEC_CONTROL(av1enc, flag, value) \
43 if (av1enc->encoder_inited) { \
44 if (aom_codec_control (&av1enc->encoder, flag, \
45 value) != AOM_CODEC_OK) { \
46 gst_av1_codec_error (&av1enc->encoder, "Failed to set " #flag); \
47 } \
48 }
49
50 GST_DEBUG_CATEGORY_STATIC (av1_enc_debug);
51 #define GST_CAT_DEFAULT av1_enc_debug
52
53 #define GST_TYPE_RESIZE_MODE (gst_resize_mode_get_type())
54 static GType
gst_resize_mode_get_type(void)55 gst_resize_mode_get_type (void)
56 {
57 static GType resize_mode_type = 0;
58 static const GEnumValue resize_mode[] = {
59 {GST_AV1_ENC_RESIZE_NONE, "No frame resizing allowed", "none"},
60 {GST_AV1_ENC_RESIZE_FIXED, "All frames are coded at the specified scale",
61 "fixed"},
62 {GST_AV1_ENC_RESIZE_RANDOM, "All frames are coded at a random scale",
63 "random"},
64 {0, NULL, NULL},
65 };
66
67 if (!resize_mode_type) {
68 resize_mode_type =
69 g_enum_register_static ("GstAV1EncResizeMode", resize_mode);
70 }
71 return resize_mode_type;
72 }
73
74 #define GST_TYPE_SUPERRES_MODE (gst_superres_mode_get_type())
75 static GType
gst_superres_mode_get_type(void)76 gst_superres_mode_get_type (void)
77 {
78 static GType superres_mode_type = 0;
79 static const GEnumValue superres_mode[] = {
80 {GST_AV1_ENC_SUPERRES_NONE, "No frame superres allowed", "none"},
81 {GST_AV1_ENC_SUPERRES_FIXED,
82 "All frames are coded at the specified scale and super-resolved",
83 "fixed"},
84 {GST_AV1_ENC_SUPERRES_RANDOM,
85 "All frames are coded at a random scale and super-resolved",
86 "random"},
87 {GST_AV1_ENC_SUPERRES_QTHRESH,
88 "Superres scale for a frame is determined based on q_index",
89 "qthresh"},
90 {0, NULL, NULL},
91 };
92
93 if (!superres_mode_type) {
94 superres_mode_type =
95 g_enum_register_static ("GstAV1EncSuperresMode", superres_mode);
96 }
97 return superres_mode_type;
98 }
99
100 #define GST_TYPE_END_USAGE_MODE (gst_end_usage_mode_get_type())
101 static GType
gst_end_usage_mode_get_type(void)102 gst_end_usage_mode_get_type (void)
103 {
104 static GType end_usage_mode_type = 0;
105 static const GEnumValue end_usage_mode[] = {
106 {GST_AV1_ENC_END_USAGE_VBR, "Variable Bit Rate Mode", "vbr"},
107 {GST_AV1_ENC_END_USAGE_CBR, "Constant Bit Rate Mode", "cbr"},
108 {GST_AV1_ENC_END_USAGE_CQ, "Constrained Quality Mode", "cq"},
109 {GST_AV1_ENC_END_USAGE_Q, "Constant Quality Mode", "q"},
110 {0, NULL, NULL},
111 };
112
113 if (!end_usage_mode_type) {
114 end_usage_mode_type =
115 g_enum_register_static ("GstAV1EncEndUsageMode", end_usage_mode);
116 }
117 return end_usage_mode_type;
118 }
119
120 enum
121 {
122 LAST_SIGNAL
123 };
124
125 enum
126 {
127 PROP_0,
128 PROP_CPU_USED,
129 PROP_DROP_FRAME,
130 PROP_RESIZE_MODE,
131 PROP_RESIZE_DENOMINATOR,
132 PROP_RESIZE_KF_DENOMINATOR,
133 PROP_SUPERRES_MODE,
134 PROP_SUPERRES_DENOMINATOR,
135 PROP_SUPERRES_KF_DENOMINATOR,
136 PROP_SUPERRES_QTHRESH,
137 PROP_SUPERRES_KF_QTHRESH,
138 PROP_END_USAGE,
139 PROP_TARGET_BITRATE,
140 PROP_MIN_QUANTIZER,
141 PROP_MAX_QUANTIZER,
142 PROP_UNDERSHOOT_PCT,
143 PROP_OVERSHOOT_PCT,
144 PROP_BUF_SZ,
145 PROP_BUF_INITIAL_SZ,
146 PROP_BUF_OPTIMAL_SZ
147 };
148
149 /* From av1/av1_cx_iface.c */
150 #define DEFAULT_PROFILE 0
151 #define DEFAULT_CPU_USED 0
152 #define DEFAULT_DROP_FRAME 0
153 #define DEFAULT_RESIZE_MODE GST_AV1_ENC_RESIZE_NONE
154 #define DEFAULT_RESIZE_DENOMINATOR 8
155 #define DEFAULT_RESIZE_KF_DENOMINATOR 8
156 #define DEFAULT_SUPERRES_MODE GST_AV1_ENC_SUPERRES_NONE
157 #define DEFAULT_SUPERRES_DENOMINATOR 8
158 #define DEFAULT_SUPERRES_KF_DENOMINATOR 8
159 #define DEFAULT_SUPERRES_QTHRESH 63
160 #define DEFAULT_SUPERRES_KF_QTHRESH 63
161 #define DEFAULT_END_USAGE GST_AV1_ENC_END_USAGE_VBR
162 #define DEFAULT_TARGET_BITRATE 256
163 #define DEFAULT_MIN_QUANTIZER 0
164 #define DEFAULT_MAX_QUANTIZER 0
165 #define DEFAULT_UNDERSHOOT_PCT 25
166 #define DEFAULT_OVERSHOOT_PCT 25
167 #define DEFAULT_BUF_SZ 6000
168 #define DEFAULT_BUF_INITIAL_SZ 4000
169 #define DEFAULT_BUF_OPTIMAL_SZ 5000
170 #define DEFAULT_TIMEBASE_N 1
171 #define DEFAULT_TIMEBASE_D 30
172 #define DEFAULT_BIT_DEPTH AOM_BITS_8
173
174 static void gst_av1_enc_finalize (GObject * object);
175 static void gst_av1_enc_set_property (GObject * object, guint prop_id,
176 const GValue * value, GParamSpec * pspec);
177 static void gst_av1_enc_get_property (GObject * object, guint prop_id,
178 GValue * value, GParamSpec * pspec);
179
180 static gboolean gst_av1_enc_start (GstVideoEncoder * encoder);
181 static gboolean gst_av1_enc_stop (GstVideoEncoder * encoder);
182 static gboolean gst_av1_enc_set_format (GstVideoEncoder * encoder,
183 GstVideoCodecState * state);
184 static GstFlowReturn gst_av1_enc_handle_frame (GstVideoEncoder * encoder,
185 GstVideoCodecFrame * frame);
186 static GstFlowReturn gst_av1_enc_finish (GstVideoEncoder * encoder);
187 static gboolean gst_av1_enc_propose_allocation (GstVideoEncoder * encoder,
188 GstQuery * query);
189
190 static void gst_av1_enc_destroy_encoder (GstAV1Enc * av1enc);
191
192 #define gst_av1_enc_parent_class parent_class
193 G_DEFINE_TYPE (GstAV1Enc, gst_av1_enc, GST_TYPE_VIDEO_ENCODER);
194
195 /* *INDENT-OFF* */
196 static GstStaticPadTemplate gst_av1_enc_sink_pad_template =
197 GST_STATIC_PAD_TEMPLATE ("sink",
198 GST_PAD_SINK,
199 GST_PAD_ALWAYS,
200 GST_STATIC_CAPS ("video/x-raw, "
201 "format = (string) { I420, Y42B, Y444, YV12 }, "
202 "framerate = (fraction) [0, MAX], "
203 "width = (int) [ 4, MAX ], "
204 "height = (int) [ 4, MAX ]")
205 );
206 /* *INDENT-ON* */
207
208 static GstStaticPadTemplate gst_av1_enc_src_pad_template =
209 GST_STATIC_PAD_TEMPLATE ("src",
210 GST_PAD_SRC,
211 GST_PAD_ALWAYS,
212 GST_STATIC_CAPS ("video/x-av1")
213 );
214
215 static void
gst_av1_enc_class_init(GstAV1EncClass * klass)216 gst_av1_enc_class_init (GstAV1EncClass * klass)
217 {
218 GObjectClass *gobject_class;
219 GstElementClass *element_class;
220 GstVideoEncoderClass *venc_class;
221
222 gobject_class = (GObjectClass *) klass;
223 element_class = (GstElementClass *) klass;
224 venc_class = (GstVideoEncoderClass *) klass;
225
226 parent_class = g_type_class_peek_parent (klass);
227
228 gobject_class->finalize = gst_av1_enc_finalize;
229 gobject_class->set_property = gst_av1_enc_set_property;
230 gobject_class->get_property = gst_av1_enc_get_property;
231
232 gst_element_class_add_static_pad_template (element_class,
233 &gst_av1_enc_sink_pad_template);
234 gst_element_class_add_static_pad_template (element_class,
235 &gst_av1_enc_src_pad_template);
236 gst_element_class_set_static_metadata (element_class, "AV1 Encoder",
237 "Codec/Encoder/Video", "Encode AV1 video streams",
238 "Sean DuBois <sean@siobud.com>");
239
240 venc_class->start = gst_av1_enc_start;
241 venc_class->stop = gst_av1_enc_stop;
242 venc_class->set_format = gst_av1_enc_set_format;
243 venc_class->handle_frame = gst_av1_enc_handle_frame;
244 venc_class->finish = gst_av1_enc_finish;
245 venc_class->propose_allocation = gst_av1_enc_propose_allocation;
246
247 klass->codec_algo = &aom_codec_av1_cx_algo;
248 GST_DEBUG_CATEGORY_INIT (av1_enc_debug, "av1enc", 0, "AV1 encoding element");
249
250 g_object_class_install_property (gobject_class, PROP_CPU_USED,
251 g_param_spec_int ("cpu-used", "CPU Used",
252 "CPU Used. A Value greater than 0 will increase encoder speed at the expense of quality.",
253 0, 8, DEFAULT_CPU_USED, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
254
255 /* Rate control configurations */
256 g_object_class_install_property (gobject_class, PROP_DROP_FRAME,
257 g_param_spec_uint ("drop-frame", "Drop frame",
258 "Temporal resampling configuration, drop frames as a strategy to meet "
259 "its target data rate Set to zero (0) to disable this feature.",
260 0, G_MAXUINT, DEFAULT_DROP_FRAME,
261 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
262
263 g_object_class_install_property (gobject_class, PROP_RESIZE_MODE,
264 g_param_spec_enum ("resize-mode", "Resize mode",
265 "Frame resize mode", GST_TYPE_RESIZE_MODE,
266 DEFAULT_RESIZE_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
267
268 g_object_class_install_property (gobject_class, PROP_RESIZE_DENOMINATOR,
269 g_param_spec_uint ("resize-denominator", "Resize denominator",
270 "Frame resize denominator, assuming 8 as the numerator",
271 8, 16, DEFAULT_RESIZE_DENOMINATOR,
272 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
273
274 g_object_class_install_property (gobject_class, PROP_RESIZE_KF_DENOMINATOR,
275 g_param_spec_uint ("resize-kf-denominator", "Resize keyframe denominator",
276 "Frame resize keyframe denominator, assuming 8 as the numerator",
277 8, 16, DEFAULT_RESIZE_KF_DENOMINATOR,
278 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
279
280 g_object_class_install_property (gobject_class, PROP_SUPERRES_MODE,
281 g_param_spec_enum ("superres-mode", "Super-resolution scaling mode",
282 "It integrates upscaling after the encode/decode process",
283 GST_TYPE_SUPERRES_MODE,
284 DEFAULT_SUPERRES_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
285
286 g_object_class_install_property (gobject_class, PROP_SUPERRES_DENOMINATOR,
287 g_param_spec_uint ("superres-denominator", "Super-resolution denominator",
288 "Frame super-resolution denominator, used only by SUPERRES_FIXED mode",
289 8, 16, DEFAULT_SUPERRES_DENOMINATOR,
290 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
291
292 g_object_class_install_property (gobject_class, PROP_SUPERRES_KF_DENOMINATOR,
293 g_param_spec_uint ("superres-kf-denominator",
294 "Keyframe super-resolution denominator",
295 "Keyframe super-resolution denominator",
296 8, 16, DEFAULT_SUPERRES_KF_DENOMINATOR,
297 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
298
299 g_object_class_install_property (gobject_class, PROP_SUPERRES_QTHRESH,
300 g_param_spec_uint ("superres-qthresh",
301 "Frame super-resolution qindex threshold",
302 "Frame super-resolution qindex threshold, used only by SUPERRES_QTHRESH mode",
303 1, 63, DEFAULT_SUPERRES_QTHRESH,
304 (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
305
306 g_object_class_install_property (gobject_class, PROP_SUPERRES_KF_QTHRESH,
307 g_param_spec_uint ("superres-kf-qthresh",
308 "Keyframe super-resolution qindex threshold",
309 "Keyframe super-resolution qindex threshold, used only by SUPERRES_QTHRESH mode",
310 1, 63, DEFAULT_SUPERRES_KF_QTHRESH,
311 (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
312
313 g_object_class_install_property (gobject_class, PROP_END_USAGE,
314 g_param_spec_enum ("end-usage", "Rate control mode",
315 "Rate control algorithm to use, indicates the end usage of this stream",
316 GST_TYPE_END_USAGE_MODE, DEFAULT_END_USAGE,
317 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
318
319 g_object_class_install_property (gobject_class, PROP_TARGET_BITRATE,
320 g_param_spec_uint ("target-bitrate", "Target bitrate",
321 "Target bitrate, in kilobits per second",
322 1, G_MAXUINT, DEFAULT_TARGET_BITRATE,
323 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
324
325 g_object_class_install_property (gobject_class, PROP_MIN_QUANTIZER,
326 g_param_spec_uint ("min-quantizer", "Minimum (best quality) quantizer",
327 "Mininum (best quality) quantizer",
328 0, G_MAXUINT, DEFAULT_MIN_QUANTIZER,
329 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
330
331 g_object_class_install_property (gobject_class, PROP_MAX_QUANTIZER,
332 g_param_spec_uint ("max-quantizer", "Maximum (worst quality) quantizer",
333 "Maximum (worst quality) quantizer",
334 0, G_MAXUINT, DEFAULT_MAX_QUANTIZER,
335 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
336
337 g_object_class_install_property (gobject_class, PROP_UNDERSHOOT_PCT,
338 g_param_spec_uint ("undershoot-pct", "Datarate undershoot (min) target",
339 "Rate control adaptation undershoot control",
340 0, 1000, DEFAULT_UNDERSHOOT_PCT,
341 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
342
343 g_object_class_install_property (gobject_class, PROP_OVERSHOOT_PCT,
344 g_param_spec_uint ("overshoot-pct", "Datarate overshoot (max) target",
345 "Rate control adaptation overshoot control",
346 0, 1000, DEFAULT_OVERSHOOT_PCT,
347 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
348
349 g_object_class_install_property (gobject_class, PROP_BUF_SZ,
350 g_param_spec_uint ("buf-sz", "Decoder buffer size",
351 "Decoder buffer size, expressed in units of time (milliseconds)",
352 0, G_MAXUINT, DEFAULT_BUF_SZ,
353 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
354
355 g_object_class_install_property (gobject_class, PROP_BUF_INITIAL_SZ,
356 g_param_spec_uint ("buf-initial-sz", "Decoder buffer initial size",
357 "Decoder buffer initial size, expressed in units of time (milliseconds)",
358 0, G_MAXUINT, DEFAULT_BUF_INITIAL_SZ,
359 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
360
361 g_object_class_install_property (gobject_class, PROP_BUF_OPTIMAL_SZ,
362 g_param_spec_uint ("buf-optimal-sz", "Decoder buffer optimal size",
363 "Decoder buffer optimal size, expressed in units of time (milliseconds)",
364 0, G_MAXUINT, DEFAULT_BUF_OPTIMAL_SZ,
365 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
366 }
367
368 static void
gst_av1_codec_error(aom_codec_ctx_t * ctx,const char * s)369 gst_av1_codec_error (aom_codec_ctx_t * ctx, const char *s)
370 {
371 const char *detail = aom_codec_error_detail (ctx);
372
373 GST_ERROR ("%s: %s %s", s, aom_codec_error (ctx), detail ? detail : "");
374 }
375
376 static void
gst_av1_enc_init(GstAV1Enc * av1enc)377 gst_av1_enc_init (GstAV1Enc * av1enc)
378 {
379 GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_ENCODER_SINK_PAD (av1enc));
380
381 av1enc->encoder_inited = FALSE;
382
383 av1enc->keyframe_dist = 30;
384 av1enc->cpu_used = DEFAULT_CPU_USED;
385 av1enc->format = AOM_IMG_FMT_I420;
386
387 av1enc->aom_cfg.rc_dropframe_thresh = DEFAULT_DROP_FRAME;
388 av1enc->aom_cfg.rc_resize_mode = DEFAULT_RESIZE_MODE;
389 av1enc->aom_cfg.rc_resize_denominator = DEFAULT_RESIZE_DENOMINATOR;
390 av1enc->aom_cfg.rc_resize_kf_denominator = DEFAULT_RESIZE_KF_DENOMINATOR;
391 av1enc->aom_cfg.rc_superres_mode = DEFAULT_SUPERRES_MODE;
392 av1enc->aom_cfg.rc_superres_denominator = DEFAULT_SUPERRES_DENOMINATOR;
393 av1enc->aom_cfg.rc_superres_kf_denominator = DEFAULT_SUPERRES_KF_DENOMINATOR;
394 av1enc->aom_cfg.rc_superres_qthresh = DEFAULT_SUPERRES_QTHRESH;
395 av1enc->aom_cfg.rc_superres_kf_qthresh = DEFAULT_SUPERRES_KF_QTHRESH;
396 av1enc->aom_cfg.rc_end_usage = DEFAULT_END_USAGE;
397 av1enc->aom_cfg.rc_target_bitrate = DEFAULT_TARGET_BITRATE;
398 av1enc->aom_cfg.rc_min_quantizer = DEFAULT_MIN_QUANTIZER;
399 av1enc->aom_cfg.rc_max_quantizer = DEFAULT_MAX_QUANTIZER;
400 av1enc->aom_cfg.rc_undershoot_pct = DEFAULT_UNDERSHOOT_PCT;
401 av1enc->aom_cfg.rc_overshoot_pct = DEFAULT_OVERSHOOT_PCT;
402 av1enc->aom_cfg.rc_buf_sz = DEFAULT_BUF_SZ;
403 av1enc->aom_cfg.rc_buf_initial_sz = DEFAULT_BUF_INITIAL_SZ;
404 av1enc->aom_cfg.rc_buf_optimal_sz = DEFAULT_BUF_OPTIMAL_SZ;
405 av1enc->aom_cfg.g_timebase.num = DEFAULT_TIMEBASE_N;
406 av1enc->aom_cfg.g_timebase.den = DEFAULT_TIMEBASE_D;
407 av1enc->aom_cfg.g_bit_depth = DEFAULT_BIT_DEPTH;
408 av1enc->aom_cfg.g_input_bit_depth = (unsigned int) DEFAULT_BIT_DEPTH;
409
410 g_mutex_init (&av1enc->encoder_lock);
411 }
412
413 static void
gst_av1_enc_finalize(GObject * object)414 gst_av1_enc_finalize (GObject * object)
415 {
416 GstAV1Enc *av1enc = GST_AV1_ENC (object);
417
418 if (av1enc->input_state) {
419 gst_video_codec_state_unref (av1enc->input_state);
420 }
421 av1enc->input_state = NULL;
422
423 gst_av1_enc_destroy_encoder (av1enc);
424 g_mutex_clear (&av1enc->encoder_lock);
425
426 G_OBJECT_CLASS (parent_class)->finalize (object);
427 }
428
429 static void
gst_av1_enc_set_latency(GstAV1Enc * av1enc)430 gst_av1_enc_set_latency (GstAV1Enc * av1enc)
431 {
432 GstClockTime latency;
433 gint fps_n, fps_d;
434
435 if (av1enc->input_state->info.fps_n && av1enc->input_state->info.fps_d) {
436 fps_n = av1enc->input_state->info.fps_n;
437 fps_d = av1enc->input_state->info.fps_d;
438 } else {
439 fps_n = 25;
440 fps_d = 1;
441 }
442
443 latency =
444 gst_util_uint64_scale (av1enc->aom_cfg.g_lag_in_frames * GST_SECOND,
445 fps_d, fps_n);
446 gst_video_encoder_set_latency (GST_VIDEO_ENCODER (av1enc), latency, latency);
447
448 GST_DEBUG_OBJECT (av1enc, "Latency set to %" GST_TIME_FORMAT
449 " = %d frames at %d/%d fps ", GST_TIME_ARGS (latency),
450 av1enc->aom_cfg.g_lag_in_frames, fps_n, fps_d);
451 }
452
453 static const gchar *
gst_av1_enc_get_aom_rc_mode_name(enum aom_rc_mode rc_mode)454 gst_av1_enc_get_aom_rc_mode_name (enum aom_rc_mode rc_mode)
455 {
456 switch (rc_mode) {
457 case AOM_VBR:
458 return "VBR (Variable Bit Rate)";
459 case AOM_CBR:
460 return "CBR (Constant Bit Rate)";
461 case AOM_CQ:
462 return "CQ (Constrained Quality)";
463 case AOM_Q:
464 return "Q (Constant Quality)";
465 default:
466 return "<UNKNOWN>";
467 }
468 }
469
470 static void
gst_av1_enc_debug_encoder_cfg(struct aom_codec_enc_cfg * cfg)471 gst_av1_enc_debug_encoder_cfg (struct aom_codec_enc_cfg *cfg)
472 {
473 GST_DEBUG ("g_usage : %u", cfg->g_usage);
474 GST_DEBUG ("g_threads : %u", cfg->g_threads);
475 GST_DEBUG ("g_profile : %u", cfg->g_profile);
476 GST_DEBUG ("g_w x g_h : %u x %u", cfg->g_w, cfg->g_h);
477 GST_DEBUG ("g_bit_depth : %d", cfg->g_bit_depth);
478 GST_DEBUG ("g_input_bit_depth : %u", cfg->g_input_bit_depth);
479 GST_DEBUG ("g_timebase : %d / %d", cfg->g_timebase.num, cfg->g_timebase.den);
480 GST_DEBUG ("g_error_resilient : 0x%x", cfg->g_error_resilient);
481 GST_DEBUG ("g_pass : %d", cfg->g_pass);
482 GST_DEBUG ("g_lag_in_frames : %u", cfg->g_lag_in_frames);
483 GST_DEBUG ("rc_dropframe_thresh : %u", cfg->rc_dropframe_thresh);
484 GST_DEBUG ("rc_resize_mode : %u", cfg->rc_resize_mode);
485 GST_DEBUG ("rc_resize_denominator : %u", cfg->rc_resize_denominator);
486 GST_DEBUG ("rc_resize_kf_denominator : %u", cfg->rc_resize_kf_denominator);
487 GST_DEBUG ("rc_superres_mode : %u", cfg->rc_superres_mode);
488 GST_DEBUG ("rc_superres_denominator : %u", cfg->rc_superres_denominator);
489 GST_DEBUG ("rc_superres_kf_denominator : %u",
490 cfg->rc_superres_kf_denominator);
491 GST_DEBUG ("rc_superres_qthresh : %u", cfg->rc_superres_qthresh);
492 GST_DEBUG ("rc_superres_kf_qthresh : %u", cfg->rc_superres_kf_qthresh);
493 GST_DEBUG ("rc_end_usage : %s",
494 gst_av1_enc_get_aom_rc_mode_name (cfg->rc_end_usage));
495 /* rc_twopass_stats_in */
496 /* rc_firstpass_mb_stats_in */
497 GST_DEBUG ("rc_target_bitrate : %u (kbps)", cfg->rc_target_bitrate);
498 GST_DEBUG ("rc_min_quantizer : %u", cfg->rc_min_quantizer);
499 GST_DEBUG ("rc_max_quantizer : %u", cfg->rc_max_quantizer);
500 GST_DEBUG ("rc_undershoot_pct : %u", cfg->rc_undershoot_pct);
501 GST_DEBUG ("rc_overshoot_pct : %u", cfg->rc_overshoot_pct);
502 GST_DEBUG ("rc_buf_sz : %u (ms)", cfg->rc_buf_sz);
503 GST_DEBUG ("rc_buf_initial_sz : %u (ms)", cfg->rc_buf_initial_sz);
504 GST_DEBUG ("rc_buf_optimal_sz : %u (ms)", cfg->rc_buf_optimal_sz);
505 GST_DEBUG ("rc_2pass_vbr_bias_pct : %u (%%)", cfg->rc_2pass_vbr_bias_pct);
506 GST_DEBUG ("rc_2pass_vbr_minsection_pct : %u (%%)",
507 cfg->rc_2pass_vbr_minsection_pct);
508 GST_DEBUG ("rc_2pass_vbr_maxsection_pct : %u (%%)",
509 cfg->rc_2pass_vbr_maxsection_pct);
510 GST_DEBUG ("kf_mode : %u", cfg->kf_mode);
511 GST_DEBUG ("kf_min_dist : %u", cfg->kf_min_dist);
512 GST_DEBUG ("kf_max_dist : %u", cfg->kf_max_dist);
513 GST_DEBUG ("large_scale_tile : %u", cfg->large_scale_tile);
514 /* Tile-related values */
515 }
516
517 static gint
gst_av1_enc_get_downstream_profile(GstAV1Enc * av1enc)518 gst_av1_enc_get_downstream_profile (GstAV1Enc * av1enc)
519 {
520 GstCaps *allowed;
521 GstStructure *s;
522 gint profile = DEFAULT_PROFILE;
523
524 allowed = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (av1enc));
525 if (allowed) {
526 allowed = gst_caps_truncate (allowed);
527 s = gst_caps_get_structure (allowed, 0);
528 if (gst_structure_has_field (s, "profile")) {
529 const GValue *v = gst_structure_get_value (s, "profile");
530 const gchar *profile_str = NULL;
531
532 if (GST_VALUE_HOLDS_LIST (v) && gst_value_list_get_size (v) > 0) {
533 profile_str = g_value_get_string (gst_value_list_get_value (v, 0));
534 } else if (G_VALUE_HOLDS_STRING (v)) {
535 profile_str = g_value_get_string (v);
536 }
537
538 if (profile_str) {
539 gchar *endptr = NULL;
540
541 profile = g_ascii_strtoull (profile_str, &endptr, 10);
542 if (*endptr != '\0' || profile < 0 || profile > 3) {
543 GST_ERROR_OBJECT (av1enc, "Invalid profile '%s'", profile_str);
544 profile = DEFAULT_PROFILE;
545 }
546 }
547 }
548 gst_caps_unref (allowed);
549 }
550
551 GST_DEBUG_OBJECT (av1enc, "Using profile %d", profile);
552
553 return profile;
554 }
555
556 static void
gst_av1_enc_adjust_profile(GstAV1Enc * av1enc,GstVideoFormat format)557 gst_av1_enc_adjust_profile (GstAV1Enc * av1enc, GstVideoFormat format)
558 {
559 guint depth = av1enc->aom_cfg.g_bit_depth;
560 guint profile = av1enc->aom_cfg.g_profile;
561 gboolean update = FALSE;
562
563 switch (profile) {
564 case 0:
565 if (depth < 12 && format == GST_VIDEO_FORMAT_Y444) {
566 profile = 1;
567 update = TRUE;
568 } else if (depth == 12 || format == GST_VIDEO_FORMAT_Y42B) {
569 profile = 2;
570 update = TRUE;
571 }
572 break;
573 case 1:
574 if (depth == 12 || format == GST_VIDEO_FORMAT_Y42B) {
575 profile = 2;
576 update = TRUE;
577 } else if (depth < 12 && format == GST_VIDEO_FORMAT_I420) {
578 profile = 0;
579 update = TRUE;
580 }
581 break;
582 case 2:
583 if (depth < 12) {
584 if (format == GST_VIDEO_FORMAT_Y444) {
585 profile = 1;
586 update = TRUE;
587 } else if (format == GST_VIDEO_FORMAT_I420) {
588 profile = 0;
589 update = TRUE;
590 }
591 }
592 break;
593 default:
594 break;
595 }
596
597 if (update) {
598 GST_INFO_OBJECT (av1enc, "profile updated to %d from %d",
599 profile, av1enc->aom_cfg.g_profile);
600 av1enc->aom_cfg.g_profile = profile;
601 }
602 }
603
604 static gboolean
gst_av1_enc_set_format(GstVideoEncoder * encoder,GstVideoCodecState * state)605 gst_av1_enc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state)
606 {
607 GstVideoCodecState *output_state;
608 GstAV1Enc *av1enc = GST_AV1_ENC_CAST (encoder);
609 GstAV1EncClass *av1enc_class = GST_AV1_ENC_GET_CLASS (av1enc);
610 GstVideoInfo *info = &state->info;
611
612 output_state =
613 gst_video_encoder_set_output_state (encoder,
614 gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder)),
615 state);
616 gst_video_codec_state_unref (output_state);
617
618 if (av1enc->input_state) {
619 gst_video_codec_state_unref (av1enc->input_state);
620 }
621 av1enc->input_state = gst_video_codec_state_ref (state);
622
623 g_mutex_lock (&av1enc->encoder_lock);
624 gst_av1_enc_set_latency (av1enc);
625
626 av1enc->aom_cfg.g_profile = gst_av1_enc_get_downstream_profile (av1enc);
627
628 /* Scale default bitrate to our size */
629 if (!av1enc->target_bitrate_set)
630 av1enc->aom_cfg.rc_target_bitrate =
631 gst_util_uint64_scale (DEFAULT_TARGET_BITRATE,
632 GST_VIDEO_INFO_WIDTH (info) * GST_VIDEO_INFO_HEIGHT (info), 320 * 240);
633
634 av1enc->aom_cfg.g_w = GST_VIDEO_INFO_WIDTH (info);
635 av1enc->aom_cfg.g_h = GST_VIDEO_INFO_HEIGHT (info);
636 /* Recommended method is to set the timebase to that of the parent
637 * container or multimedia framework (ex: 1/1000 for ms, as in FLV) */
638 av1enc->aom_cfg.g_timebase.num = GST_VIDEO_INFO_FPS_D (info);
639 av1enc->aom_cfg.g_timebase.den = GST_VIDEO_INFO_FPS_N (info);
640 av1enc->aom_cfg.g_error_resilient = AOM_ERROR_RESILIENT_DEFAULT;
641 /* TODO: do more configuration including bit_depth config */
642
643 av1enc->format =
644 gst_video_format_to_av1_img_format (GST_VIDEO_INFO_FORMAT (info));
645
646 if (av1enc->aom_cfg.g_bit_depth != DEFAULT_BIT_DEPTH) {
647 av1enc->aom_cfg.g_input_bit_depth = av1enc->aom_cfg.g_bit_depth;
648 if (av1enc->aom_cfg.g_bit_depth > 8)
649 av1enc->format |= AOM_IMG_FMT_HIGHBITDEPTH;
650 }
651
652 /* Adjust profile according to format and bit-depth */
653 gst_av1_enc_adjust_profile (av1enc, GST_VIDEO_INFO_FORMAT (info));
654
655 GST_DEBUG_OBJECT (av1enc, "Calling encoder init with config:");
656 gst_av1_enc_debug_encoder_cfg (&av1enc->aom_cfg);
657
658 if (aom_codec_enc_init (&av1enc->encoder, av1enc_class->codec_algo,
659 &av1enc->aom_cfg, 0)) {
660 gst_av1_codec_error (&av1enc->encoder, "Failed to initialize encoder");
661 return FALSE;
662 }
663 av1enc->encoder_inited = TRUE;
664
665 GST_AV1_ENC_APPLY_CODEC_CONTROL (av1enc, AOME_SET_CPUUSED, av1enc->cpu_used);
666 g_mutex_unlock (&av1enc->encoder_lock);
667
668 return TRUE;
669 }
670
671 static GstFlowReturn
gst_av1_enc_process(GstAV1Enc * encoder)672 gst_av1_enc_process (GstAV1Enc * encoder)
673 {
674 aom_codec_iter_t iter = NULL;
675 const aom_codec_cx_pkt_t *pkt;
676 GstVideoCodecFrame *frame;
677 GstVideoEncoder *video_encoder;
678 GstFlowReturn ret = GST_FLOW_CUSTOM_SUCCESS;
679
680 video_encoder = GST_VIDEO_ENCODER (encoder);
681
682 while ((pkt = aom_codec_get_cx_data (&encoder->encoder, &iter)) != NULL) {
683 if (pkt->kind == AOM_CODEC_STATS_PKT) {
684 GST_WARNING_OBJECT (encoder, "Unhandled stats packet");
685 } else if (pkt->kind == AOM_CODEC_FPMB_STATS_PKT) {
686 GST_WARNING_OBJECT (encoder, "Unhandled FPMB pkt");
687 } else if (pkt->kind == AOM_CODEC_PSNR_PKT) {
688 GST_WARNING_OBJECT (encoder, "Unhandled PSNR packet");
689 } else if (pkt->kind == AOM_CODEC_CX_FRAME_PKT) {
690 frame = gst_video_encoder_get_oldest_frame (video_encoder);
691 g_assert (frame != NULL);
692 if ((pkt->data.frame.flags & AOM_FRAME_IS_KEY) != 0) {
693 GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
694 } else {
695 GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
696 }
697
698 frame->output_buffer =
699 gst_buffer_new_wrapped (g_memdup (pkt->data.frame.buf,
700 pkt->data.frame.sz), pkt->data.frame.sz);
701
702 if ((pkt->data.frame.flags & AOM_FRAME_IS_DROPPABLE) != 0)
703 GST_BUFFER_FLAG_SET (frame->output_buffer, GST_BUFFER_FLAG_DROPPABLE);
704
705 ret = gst_video_encoder_finish_frame (video_encoder, frame);
706 if (ret != GST_FLOW_OK)
707 break;
708 }
709 }
710
711 return ret;
712 }
713
714 static void
gst_av1_enc_fill_image(GstAV1Enc * enc,GstVideoFrame * frame,aom_image_t * image)715 gst_av1_enc_fill_image (GstAV1Enc * enc, GstVideoFrame * frame,
716 aom_image_t * image)
717 {
718 image->planes[AOM_PLANE_Y] = GST_VIDEO_FRAME_COMP_DATA (frame, 0);
719 image->planes[AOM_PLANE_U] = GST_VIDEO_FRAME_COMP_DATA (frame, 1);
720 image->planes[AOM_PLANE_V] = GST_VIDEO_FRAME_COMP_DATA (frame, 2);
721
722 image->stride[AOM_PLANE_Y] = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0);
723 image->stride[AOM_PLANE_U] = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1);
724 image->stride[AOM_PLANE_V] = GST_VIDEO_FRAME_COMP_STRIDE (frame, 2);
725 }
726
727 static GstFlowReturn
gst_av1_enc_handle_frame(GstVideoEncoder * encoder,GstVideoCodecFrame * frame)728 gst_av1_enc_handle_frame (GstVideoEncoder * encoder, GstVideoCodecFrame * frame)
729 {
730 GstAV1Enc *av1enc = GST_AV1_ENC_CAST (encoder);
731 aom_image_t raw;
732 int flags = 0;
733 GstFlowReturn ret = GST_FLOW_OK;
734 GstVideoFrame vframe;
735
736 if (!aom_img_alloc (&raw, av1enc->format, av1enc->aom_cfg.g_w,
737 av1enc->aom_cfg.g_h, 1)) {
738 GST_ERROR_OBJECT (encoder, "Failed to initialize encoder");
739 return FALSE;
740 }
741
742 gst_video_frame_map (&vframe, &av1enc->input_state->info,
743 frame->input_buffer, GST_MAP_READ);
744 gst_av1_enc_fill_image (av1enc, &vframe, &raw);
745 gst_video_frame_unmap (&vframe);
746
747 if (av1enc->keyframe_dist >= 30) {
748 av1enc->keyframe_dist = 0;
749 flags |= AOM_EFLAG_FORCE_KF;
750 }
751 av1enc->keyframe_dist++;
752
753 g_mutex_lock (&av1enc->encoder_lock);
754 if (aom_codec_encode (&av1enc->encoder, &raw, frame->pts, 1, flags)
755 != AOM_CODEC_OK) {
756 gst_av1_codec_error (&av1enc->encoder, "Failed to encode frame");
757 ret = GST_FLOW_ERROR;
758 }
759 g_mutex_unlock (&av1enc->encoder_lock);
760
761 aom_img_free (&raw);
762 gst_video_codec_frame_unref (frame);
763
764 if (ret == GST_FLOW_ERROR)
765 return ret;
766
767 ret = gst_av1_enc_process (av1enc);
768
769 if (ret == GST_FLOW_CUSTOM_SUCCESS)
770 ret = GST_FLOW_OK;
771
772 return ret;
773 }
774
775 static GstFlowReturn
gst_av1_enc_finish(GstVideoEncoder * encoder)776 gst_av1_enc_finish (GstVideoEncoder * encoder)
777 {
778 GstFlowReturn ret = GST_FLOW_OK;
779 GstAV1Enc *av1enc = GST_AV1_ENC_CAST (encoder);
780
781 while (ret == GST_FLOW_OK) {
782 GST_DEBUG_OBJECT (encoder, "Calling finish");
783 g_mutex_lock (&av1enc->encoder_lock);
784 if (aom_codec_encode (&av1enc->encoder, NULL, 0, 1, 0)
785 != AOM_CODEC_OK) {
786 gst_av1_codec_error (&av1enc->encoder, "Failed to encode frame");
787 ret = GST_FLOW_ERROR;
788 }
789 g_mutex_unlock (&av1enc->encoder_lock);
790
791 ret = gst_av1_enc_process (av1enc);
792 }
793
794
795 if (ret == GST_FLOW_CUSTOM_SUCCESS)
796 ret = GST_FLOW_OK;
797
798 return ret;
799 }
800
801 static void
gst_av1_enc_destroy_encoder(GstAV1Enc * av1enc)802 gst_av1_enc_destroy_encoder (GstAV1Enc * av1enc)
803 {
804 g_mutex_lock (&av1enc->encoder_lock);
805 if (av1enc->encoder_inited) {
806 aom_codec_destroy (&av1enc->encoder);
807 av1enc->encoder_inited = FALSE;
808 }
809 g_mutex_unlock (&av1enc->encoder_lock);
810 }
811
812 static gboolean
gst_av1_enc_propose_allocation(GstVideoEncoder * encoder,GstQuery * query)813 gst_av1_enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query)
814 {
815 gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
816
817 return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
818 query);
819 }
820
821 static void
gst_av1_enc_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)822 gst_av1_enc_set_property (GObject * object, guint prop_id,
823 const GValue * value, GParamSpec * pspec)
824 {
825 GstAV1Enc *av1enc = GST_AV1_ENC_CAST (object);
826 gboolean global = FALSE;
827 aom_codec_err_t status;
828
829 GST_OBJECT_LOCK (av1enc);
830
831 g_mutex_lock (&av1enc->encoder_lock);
832 switch (prop_id) {
833 case PROP_CPU_USED:
834 av1enc->cpu_used = g_value_get_int (value);
835 GST_AV1_ENC_APPLY_CODEC_CONTROL (av1enc, AOME_SET_CPUUSED,
836 av1enc->cpu_used);
837 break;
838 case PROP_DROP_FRAME:
839 av1enc->aom_cfg.rc_dropframe_thresh = g_value_get_uint (value);
840 global = TRUE;
841 break;
842 case PROP_RESIZE_MODE:
843 av1enc->aom_cfg.rc_resize_mode = g_value_get_enum (value);
844 global = TRUE;
845 break;
846 case PROP_RESIZE_DENOMINATOR:
847 av1enc->aom_cfg.rc_resize_denominator = g_value_get_uint (value);
848 global = TRUE;
849 break;
850 case PROP_RESIZE_KF_DENOMINATOR:
851 av1enc->aom_cfg.rc_resize_kf_denominator = g_value_get_uint (value);
852 global = TRUE;
853 break;
854 case PROP_SUPERRES_MODE:
855 av1enc->aom_cfg.rc_superres_mode = g_value_get_enum (value);
856 global = TRUE;
857 break;
858 case PROP_SUPERRES_DENOMINATOR:
859 av1enc->aom_cfg.rc_superres_denominator = g_value_get_uint (value);
860 global = TRUE;
861 break;
862 case PROP_SUPERRES_KF_DENOMINATOR:
863 av1enc->aom_cfg.rc_superres_kf_denominator = g_value_get_uint (value);
864 global = TRUE;
865 break;
866 case PROP_SUPERRES_QTHRESH:
867 av1enc->aom_cfg.rc_superres_qthresh = g_value_get_uint (value);
868 global = TRUE;
869 break;
870 case PROP_SUPERRES_KF_QTHRESH:
871 av1enc->aom_cfg.rc_superres_kf_qthresh = g_value_get_uint (value);
872 global = TRUE;
873 break;
874 case PROP_END_USAGE:
875 av1enc->aom_cfg.rc_end_usage = g_value_get_enum (value);
876 global = TRUE;
877 break;
878 case PROP_TARGET_BITRATE:
879 av1enc->aom_cfg.rc_target_bitrate = g_value_get_uint (value);
880 av1enc->target_bitrate_set = TRUE;
881 global = TRUE;
882 break;
883 case PROP_MIN_QUANTIZER:
884 av1enc->aom_cfg.rc_min_quantizer = g_value_get_uint (value);
885 global = TRUE;
886 break;
887 case PROP_MAX_QUANTIZER:
888 av1enc->aom_cfg.rc_max_quantizer = g_value_get_uint (value);
889 global = TRUE;
890 break;
891 case PROP_UNDERSHOOT_PCT:
892 av1enc->aom_cfg.rc_undershoot_pct = g_value_get_uint (value);
893 global = TRUE;
894 break;
895 case PROP_OVERSHOOT_PCT:
896 av1enc->aom_cfg.rc_overshoot_pct = g_value_get_uint (value);
897 global = TRUE;
898 break;
899 case PROP_BUF_SZ:
900 av1enc->aom_cfg.rc_buf_sz = g_value_get_uint (value);
901 global = TRUE;
902 break;
903 case PROP_BUF_INITIAL_SZ:
904 av1enc->aom_cfg.rc_buf_initial_sz = g_value_get_uint (value);
905 global = TRUE;
906 break;
907 case PROP_BUF_OPTIMAL_SZ:
908 av1enc->aom_cfg.rc_buf_optimal_sz = g_value_get_uint (value);
909 global = TRUE;
910 break;
911 default:
912 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
913 break;
914 }
915
916 if (global &&av1enc->encoder_inited) {
917 status = aom_codec_enc_config_set (&av1enc->encoder, &av1enc->aom_cfg);
918 GST_DEBUG_OBJECT (av1enc, "Set %s encoder configuration, ret = %s",
919 pspec->name, gst_av1_get_error_name (status));
920 }
921
922 g_mutex_unlock (&av1enc->encoder_lock);
923 GST_OBJECT_UNLOCK (av1enc);
924 }
925
926 static void
gst_av1_enc_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)927 gst_av1_enc_get_property (GObject * object, guint prop_id, GValue * value,
928 GParamSpec * pspec)
929 {
930 GstAV1Enc *av1enc = GST_AV1_ENC_CAST (object);
931
932 GST_OBJECT_LOCK (av1enc);
933
934 switch (prop_id) {
935 case PROP_CPU_USED:
936 g_value_set_int (value, av1enc->cpu_used);
937 break;
938 case PROP_DROP_FRAME:
939 g_value_set_uint (value, av1enc->aom_cfg.rc_dropframe_thresh);
940 break;
941 case PROP_RESIZE_MODE:
942 g_value_set_enum (value, av1enc->aom_cfg.rc_resize_mode);
943 break;
944 case PROP_RESIZE_DENOMINATOR:
945 g_value_set_uint (value, av1enc->aom_cfg.rc_resize_denominator);
946 break;
947 case PROP_RESIZE_KF_DENOMINATOR:
948 g_value_set_uint (value, av1enc->aom_cfg.rc_resize_kf_denominator);
949 break;
950 case PROP_SUPERRES_MODE:
951 g_value_set_enum (value, av1enc->aom_cfg.rc_superres_mode);
952 break;
953 case PROP_SUPERRES_DENOMINATOR:
954 g_value_set_uint (value, av1enc->aom_cfg.rc_superres_denominator);
955 break;
956 case PROP_SUPERRES_KF_DENOMINATOR:
957 g_value_set_uint (value, av1enc->aom_cfg.rc_superres_kf_denominator);
958 break;
959 case PROP_SUPERRES_QTHRESH:
960 g_value_set_uint (value, av1enc->aom_cfg.rc_superres_qthresh);
961 break;
962 case PROP_SUPERRES_KF_QTHRESH:
963 g_value_set_uint (value, av1enc->aom_cfg.rc_superres_kf_qthresh);
964 break;
965 case PROP_END_USAGE:
966 g_value_set_enum (value, av1enc->aom_cfg.rc_end_usage);
967 break;
968 case PROP_TARGET_BITRATE:
969 g_value_set_uint (value, av1enc->aom_cfg.rc_target_bitrate);
970 break;
971 case PROP_MIN_QUANTIZER:
972 g_value_set_uint (value, av1enc->aom_cfg.rc_min_quantizer);
973 break;
974 case PROP_MAX_QUANTIZER:
975 g_value_set_uint (value, av1enc->aom_cfg.rc_max_quantizer);
976 break;
977 case PROP_UNDERSHOOT_PCT:
978 g_value_set_uint (value, av1enc->aom_cfg.rc_undershoot_pct);
979 break;
980 case PROP_OVERSHOOT_PCT:
981 g_value_set_uint (value, av1enc->aom_cfg.rc_overshoot_pct);
982 break;
983 case PROP_BUF_SZ:
984 g_value_set_uint (value, av1enc->aom_cfg.rc_buf_sz);
985 break;
986 case PROP_BUF_INITIAL_SZ:
987 g_value_set_uint (value, av1enc->aom_cfg.rc_buf_initial_sz);
988 break;
989 case PROP_BUF_OPTIMAL_SZ:
990 g_value_set_uint (value, av1enc->aom_cfg.rc_buf_optimal_sz);
991 break;
992 default:
993 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
994 break;
995 }
996
997 GST_OBJECT_UNLOCK (av1enc);
998 }
999
1000 static gboolean
gst_av1_enc_start(GstVideoEncoder * encoder)1001 gst_av1_enc_start (GstVideoEncoder * encoder)
1002 {
1003 return TRUE;
1004 }
1005
1006 static gboolean
gst_av1_enc_stop(GstVideoEncoder * encoder)1007 gst_av1_enc_stop (GstVideoEncoder * encoder)
1008 {
1009 GstAV1Enc *av1enc = GST_AV1_ENC_CAST (encoder);
1010
1011 if (av1enc->input_state) {
1012 gst_video_codec_state_unref (av1enc->input_state);
1013 }
1014 av1enc->input_state = NULL;
1015
1016 gst_av1_enc_destroy_encoder (av1enc);
1017
1018 return TRUE;
1019 }
1020