2 * Copyright (C) 2006 David Schleef <ds@schleef.org>
3 * Copyright (C) 2008,2009,2010 Entropy Wave Inc
4 * Copyright (C) 2010-2012 Sebastian Dröge <sebastian.droege@collabora.co.uk>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
25 #if defined(HAVE_VP8_DECODER) || defined(HAVE_VP9_DECODER)
29 #include "gstvpxdec.h"
30 #include "gstvp8utils.h"
32 #include <gst/video/gstvideometa.h>
33 #include <gst/video/gstvideopool.h>
35 GST_DEBUG_CATEGORY_STATIC (gst_vpxdec_debug);
36 #define GST_CAT_DEFAULT gst_vpxdec_debug
38 #define DEFAULT_POST_PROCESSING FALSE
39 #define DEFAULT_POST_PROCESSING_FLAGS (VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE)
40 #define DEFAULT_DEBLOCKING_LEVEL 4
41 #define DEFAULT_NOISE_LEVEL 0
42 #define DEFAULT_THREADS 0
43 #define DEFAULT_VIDEO_CODEC_TAG NULL
44 #define DEFAULT_CODEC_ALGO NULL
50 PROP_POST_PROCESSING_FLAGS,
51 PROP_DEBLOCKING_LEVEL,
56 #define C_FLAGS(v) ((guint) v)
57 #define GST_VPX_DEC_TYPE_POST_PROCESSING_FLAGS (gst_vpx_dec_post_processing_flags_get_type())
59 gst_vpx_dec_post_processing_flags_get_type (void)
61 static const GFlagsValue values[] = {
62 {C_FLAGS (VP8_DEBLOCK), "Deblock", "deblock"},
63 {C_FLAGS (VP8_DEMACROBLOCK), "Demacroblock", "demacroblock"},
64 {C_FLAGS (VP8_ADDNOISE), "Add noise", "addnoise"},
66 {C_FLAGS (VP8_DEBUG_TXT_FRAME_INFO),
67 "Print frame information",
68 "visualize-frame-info"},
69 {C_FLAGS (VP8_DEBUG_TXT_MBLK_MODES),
70 "Show macroblock mode selection overlaid on image",
71 "visualize-macroblock-modes"},
72 {C_FLAGS (VP8_DEBUG_TXT_DC_DIFF),
73 "Show dc diff for each macro block overlaid on image",
75 {C_FLAGS (VP8_DEBUG_TXT_RATE_INFO),
76 "Print video rate info",
77 "visualize-rate-info"},
79 {C_FLAGS (VP8_MFQE), "Multi-frame quality enhancement", "mfqe"},
84 if (g_once_init_enter ((gsize *) & id)) {
87 _id = g_flags_register_static ("GstVPXDecPostProcessingFlags", values);
89 g_once_init_leave ((gsize *) & id, _id);
97 static void gst_vpx_dec_set_property (GObject * object, guint prop_id,
98 const GValue * value, GParamSpec * pspec);
99 static void gst_vpx_dec_get_property (GObject * object, guint prop_id,
100 GValue * value, GParamSpec * pspec);
102 static gboolean gst_vpx_dec_start (GstVideoDecoder * decoder);
103 static gboolean gst_vpx_dec_stop (GstVideoDecoder * decoder);
104 static gboolean gst_vpx_dec_set_format (GstVideoDecoder * decoder,
105 GstVideoCodecState * state);
106 static gboolean gst_vpx_dec_flush (GstVideoDecoder * decoder);
108 gst_vpx_dec_handle_frame (GstVideoDecoder * decoder,
109 GstVideoCodecFrame * frame);
110 static gboolean gst_vpx_dec_decide_allocation (GstVideoDecoder * decoder,
113 static void gst_vpx_dec_image_to_buffer (GstVPXDec * dec,
114 const vpx_image_t * img, GstBuffer * buffer);
115 static GstFlowReturn gst_vpx_dec_open_codec (GstVPXDec * dec,
116 GstVideoCodecFrame * frame);
117 static void gst_vpx_dec_default_send_tags (GstVPXDec * dec);
118 static void gst_vpx_dec_set_stream_info (GstVPXDec * dec,
119 vpx_codec_stream_info_t * stream_info);
120 static void gst_vpx_dec_set_default_format (GstVPXDec * dec, GstVideoFormat fmt,
121 int width, int height);
122 static gboolean gst_vpx_dec_default_frame_format (GstVPXDec * dec,
123 vpx_image_t * img, GstVideoFormat * fmt);
124 static void gst_vpx_dec_handle_resolution_change (GstVPXDec * dec,
125 vpx_image_t * img, GstVideoFormat fmt);
127 #define parent_class gst_vpx_dec_parent_class
128 G_DEFINE_TYPE (GstVPXDec, gst_vpx_dec, GST_TYPE_VIDEO_DECODER);
131 gst_vpx_dec_class_init (GstVPXDecClass * klass)
133 GObjectClass *gobject_class;
134 GstVideoDecoderClass *base_video_decoder_class;
136 gobject_class = G_OBJECT_CLASS (klass);
137 base_video_decoder_class = GST_VIDEO_DECODER_CLASS (klass);
139 gobject_class->set_property = gst_vpx_dec_set_property;
140 gobject_class->get_property = gst_vpx_dec_get_property;
142 g_object_class_install_property (gobject_class, PROP_POST_PROCESSING,
143 g_param_spec_boolean ("post-processing", "Post Processing",
144 "Enable post processing", DEFAULT_POST_PROCESSING,
145 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
147 g_object_class_install_property (gobject_class, PROP_POST_PROCESSING_FLAGS,
148 g_param_spec_flags ("post-processing-flags", "Post Processing Flags",
149 "Flags to control post processing",
150 GST_VPX_DEC_TYPE_POST_PROCESSING_FLAGS, DEFAULT_POST_PROCESSING_FLAGS,
151 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
153 g_object_class_install_property (gobject_class, PROP_DEBLOCKING_LEVEL,
154 g_param_spec_uint ("deblocking-level", "Deblocking Level",
156 0, 16, DEFAULT_DEBLOCKING_LEVEL,
157 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
159 g_object_class_install_property (gobject_class, PROP_NOISE_LEVEL,
160 g_param_spec_uint ("noise-level", "Noise Level",
162 0, 16, DEFAULT_NOISE_LEVEL,
163 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
165 g_object_class_install_property (gobject_class, PROP_THREADS,
166 g_param_spec_uint ("threads", "Max Threads",
167 "Maximum number of decoding threads",
168 0, 16, DEFAULT_THREADS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
170 base_video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_vpx_dec_start);
171 base_video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_vpx_dec_stop);
172 base_video_decoder_class->flush = GST_DEBUG_FUNCPTR (gst_vpx_dec_flush);
173 base_video_decoder_class->set_format =
174 GST_DEBUG_FUNCPTR (gst_vpx_dec_set_format);
175 base_video_decoder_class->handle_frame =
176 GST_DEBUG_FUNCPTR (gst_vpx_dec_handle_frame);;
177 base_video_decoder_class->decide_allocation =
178 GST_DEBUG_FUNCPTR (gst_vpx_dec_decide_allocation);
180 klass->video_codec_tag = DEFAULT_VIDEO_CODEC_TAG;
181 klass->codec_algo = DEFAULT_CODEC_ALGO;
182 klass->open_codec = GST_DEBUG_FUNCPTR (gst_vpx_dec_open_codec);
183 klass->send_tags = GST_DEBUG_FUNCPTR (gst_vpx_dec_default_send_tags);
184 klass->set_stream_info = NULL;
185 klass->set_default_format = NULL;
186 klass->handle_resolution_change = NULL;
187 klass->get_frame_format =
188 GST_DEBUG_FUNCPTR (gst_vpx_dec_default_frame_format);
190 GST_DEBUG_CATEGORY_INIT (gst_vpxdec_debug, "vpxdec", 0, "VPX Decoder");
192 gst_type_mark_as_plugin_api (GST_VPX_DEC_TYPE_POST_PROCESSING_FLAGS, 0);
193 gst_type_mark_as_plugin_api (GST_TYPE_VPX_DEC, 0);
197 gst_vpx_dec_init (GstVPXDec * gst_vpx_dec)
199 GstVideoDecoder *decoder = (GstVideoDecoder *) gst_vpx_dec;
200 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (gst_vpx_dec);
202 GST_DEBUG_OBJECT (gst_vpx_dec, "gst_vpx_dec_init");
203 gst_video_decoder_set_packetized (decoder, TRUE);
204 gst_vpx_dec->post_processing = DEFAULT_POST_PROCESSING;
205 gst_vpx_dec->post_processing_flags = DEFAULT_POST_PROCESSING_FLAGS;
206 gst_vpx_dec->deblocking_level = DEFAULT_DEBLOCKING_LEVEL;
207 gst_vpx_dec->noise_level = DEFAULT_NOISE_LEVEL;
209 if (vpxclass->get_needs_sync_point) {
210 gst_video_decoder_set_needs_sync_point (GST_VIDEO_DECODER (gst_vpx_dec),
211 vpxclass->get_needs_sync_point (gst_vpx_dec));
214 gst_video_decoder_set_needs_format (decoder, TRUE);
215 gst_video_decoder_set_use_default_pad_acceptcaps (decoder, TRUE);
216 GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_DECODER_SINK_PAD (decoder));
220 gst_vpx_dec_set_property (GObject * object, guint prop_id,
221 const GValue * value, GParamSpec * pspec)
225 g_return_if_fail (GST_IS_VPX_DEC (object));
226 dec = GST_VPX_DEC (object);
228 GST_DEBUG_OBJECT (object, "gst_vpx_dec_set_property");
230 case PROP_POST_PROCESSING:
231 dec->post_processing = g_value_get_boolean (value);
233 case PROP_POST_PROCESSING_FLAGS:
234 dec->post_processing_flags = g_value_get_flags (value);
236 case PROP_DEBLOCKING_LEVEL:
237 dec->deblocking_level = g_value_get_uint (value);
239 case PROP_NOISE_LEVEL:
240 dec->noise_level = g_value_get_uint (value);
243 dec->threads = g_value_get_uint (value);
246 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
252 gst_vpx_dec_get_property (GObject * object, guint prop_id, GValue * value,
257 g_return_if_fail (GST_IS_VPX_DEC (object));
258 dec = GST_VPX_DEC (object);
261 case PROP_POST_PROCESSING:
262 g_value_set_boolean (value, dec->post_processing);
264 case PROP_POST_PROCESSING_FLAGS:
265 g_value_set_flags (value, dec->post_processing_flags);
267 case PROP_DEBLOCKING_LEVEL:
268 g_value_set_uint (value, dec->deblocking_level);
270 case PROP_NOISE_LEVEL:
271 g_value_set_uint (value, dec->noise_level);
274 g_value_set_uint (value, dec->threads);
277 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
283 gst_vpx_dec_start (GstVideoDecoder * decoder)
285 GstVPXDec *gst_vpx_dec = GST_VPX_DEC (decoder);
287 GST_DEBUG_OBJECT (gst_vpx_dec, "start");
288 gst_vpx_dec->decoder_inited = FALSE;
289 gst_vpx_dec->safe_remap = FALSE;
295 gst_vpx_dec_stop (GstVideoDecoder * base_video_decoder)
297 GstVPXDec *gst_vpx_dec = GST_VPX_DEC (base_video_decoder);
299 GST_DEBUG_OBJECT (gst_vpx_dec, "stop");
301 if (gst_vpx_dec->output_state) {
302 gst_video_codec_state_unref (gst_vpx_dec->output_state);
303 gst_vpx_dec->output_state = NULL;
306 if (gst_vpx_dec->input_state) {
307 gst_video_codec_state_unref (gst_vpx_dec->input_state);
308 gst_vpx_dec->input_state = NULL;
311 if (gst_vpx_dec->decoder_inited)
312 vpx_codec_destroy (&gst_vpx_dec->decoder);
313 gst_vpx_dec->decoder_inited = FALSE;
315 if (gst_vpx_dec->pool) {
316 gst_buffer_pool_set_active (gst_vpx_dec->pool, FALSE);
317 gst_object_unref (gst_vpx_dec->pool);
318 gst_vpx_dec->pool = NULL;
319 gst_vpx_dec->buf_size = 0;
326 gst_vpx_dec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state)
328 GstVPXDec *gst_vpx_dec = GST_VPX_DEC (decoder);
330 GST_DEBUG_OBJECT (gst_vpx_dec, "set_format");
332 if (gst_vpx_dec->decoder_inited)
333 vpx_codec_destroy (&gst_vpx_dec->decoder);
334 gst_vpx_dec->decoder_inited = FALSE;
336 if (gst_vpx_dec->output_state) {
337 gst_video_codec_state_unref (gst_vpx_dec->output_state);
338 gst_vpx_dec->output_state = NULL;
341 if (gst_vpx_dec->input_state) {
342 gst_video_codec_state_unref (gst_vpx_dec->input_state);
345 gst_vpx_dec->input_state = gst_video_codec_state_ref (state);
351 gst_vpx_dec_flush (GstVideoDecoder * base_video_decoder)
355 GST_DEBUG_OBJECT (base_video_decoder, "flush");
357 decoder = GST_VPX_DEC (base_video_decoder);
359 if (decoder->output_state) {
360 gst_video_codec_state_unref (decoder->output_state);
361 decoder->output_state = NULL;
364 if (decoder->decoder_inited)
365 vpx_codec_destroy (&decoder->decoder);
366 decoder->decoder_inited = FALSE;
372 gst_vpx_dec_default_send_tags (GstVPXDec * dec)
375 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
377 if (vpxclass->video_codec_tag == NULL)
380 list = gst_tag_list_new_empty ();
381 gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
382 GST_TAG_VIDEO_CODEC, vpxclass->video_codec_tag, NULL);
384 gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (dec),
385 gst_event_new_tag (list));
395 gst_vpx_dec_prepare_image (GstVPXDec * dec, const vpx_image_t * img)
400 struct Frame *frame = img->fb_priv;
401 GstVideoInfo *info = &dec->output_state->info;
403 buffer = gst_buffer_ref (frame->buffer);
405 /* FIXME: an atomic remap would be preferable, for now we simply
406 * remap the buffer from RW to RO when using a sysmem allocator,
407 * in order to avoid a useless memcpy in GstVideoDecoder.
409 if (dec->safe_remap) {
410 gst_buffer_unmap (buffer, &frame->info);
411 gst_buffer_map (buffer, &frame->info, GST_MAP_READ);
414 vmeta = gst_buffer_get_video_meta (buffer);
415 vmeta->format = GST_VIDEO_INFO_FORMAT (info);
416 vmeta->width = GST_VIDEO_INFO_WIDTH (info);
417 vmeta->height = GST_VIDEO_INFO_HEIGHT (info);
418 vmeta->n_planes = GST_VIDEO_INFO_N_PLANES (info);
420 for (comp = 0; comp < 4; comp++) {
421 vmeta->stride[comp] = img->stride[comp];
422 vmeta->offset[comp] =
423 img->planes[comp] ? img->planes[comp] - frame->info.data : 0;
426 /* FIXME This is a READ/WRITE mapped buffer see bug #754826 */
432 gst_vpx_dec_get_buffer_cb (gpointer priv, gsize min_size,
433 vpx_codec_frame_buffer_t * fb)
435 GstVPXDec *dec = priv;
436 GstBuffer *buffer = NULL;
440 if (!dec->pool || dec->buf_size != min_size) {
442 GstStructure *config;
444 GstAllocator *allocator;
445 GstAllocationParams params;
448 gst_buffer_pool_set_active (dec->pool, FALSE);
449 gst_object_unref (dec->pool);
454 gst_video_decoder_get_allocator (GST_VIDEO_DECODER (dec), &allocator,
458 GST_OBJECT_FLAG_IS_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC)) {
459 gst_object_unref (allocator);
463 dec->safe_remap = (allocator == NULL
464 || !g_strcmp0 (allocator->mem_type, GST_ALLOCATOR_SYSMEM));
466 pool = gst_buffer_pool_new ();
467 config = gst_buffer_pool_get_config (pool);
468 gst_buffer_pool_config_set_allocator (config, allocator, ¶ms);
469 caps = gst_caps_from_string ("video/internal");
470 gst_buffer_pool_config_set_params (config, caps, min_size, 2, 0);
471 gst_caps_unref (caps);
472 gst_buffer_pool_set_config (pool, config);
475 gst_object_unref (allocator);
477 if (!gst_buffer_pool_set_active (pool, TRUE)) {
478 GST_WARNING ("Failed to create internal pool");
479 gst_object_unref (pool);
484 dec->buf_size = min_size;
487 ret = gst_buffer_pool_acquire_buffer (dec->pool, &buffer, NULL);
488 if (ret != GST_FLOW_OK) {
489 GST_WARNING ("Failed to acquire buffer from internal pool.");
493 /* Add it now, while the buffer is writable */
494 gst_buffer_add_video_meta (buffer, GST_VIDEO_FRAME_FLAG_NONE,
495 GST_VIDEO_FORMAT_ENCODED, 0, 0);
497 frame = g_new0 (struct Frame, 1);
498 if (!gst_buffer_map (buffer, &frame->info, GST_MAP_READWRITE)) {
499 gst_buffer_unref (buffer);
501 GST_WARNING ("Failed to map buffer from internal pool.");
505 fb->size = frame->info.size;
506 fb->data = frame->info.data;
507 frame->buffer = buffer;
510 GST_TRACE_OBJECT (priv, "Allocated buffer %p", frame->buffer);
516 gst_vpx_dec_release_buffer_cb (gpointer priv, vpx_codec_frame_buffer_t * fb)
518 struct Frame *frame = fb->priv;
520 /* We're sometimes called without a frame */
524 GST_TRACE_OBJECT (priv, "Release buffer %p", frame->buffer);
526 gst_buffer_unmap (frame->buffer, &frame->info);
527 gst_buffer_unref (frame->buffer);
535 gst_vpx_dec_image_to_buffer (GstVPXDec * dec, const vpx_image_t * img,
538 int deststride, srcstride, height, width, line, comp;
541 GstVideoInfo *info = &dec->output_state->info;
543 if (!gst_video_frame_map (&frame, info, buffer, GST_MAP_WRITE)) {
544 GST_ERROR_OBJECT (dec, "Could not map video buffer");
548 for (comp = 0; comp < 3; comp++) {
549 dest = GST_VIDEO_FRAME_COMP_DATA (&frame, comp);
550 src = img->planes[comp];
551 width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, comp)
552 * GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, comp);
553 height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, comp);
554 deststride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, comp);
555 srcstride = img->stride[comp];
557 if (srcstride == deststride) {
558 GST_TRACE_OBJECT (dec, "Stride matches. Comp %d: %d, copying full plane",
560 memcpy (dest, src, srcstride * height);
562 GST_TRACE_OBJECT (dec, "Stride mismatch. Comp %d: %d != %d, copying "
563 "line by line.", comp, srcstride, deststride);
564 for (line = 0; line < height; line++) {
565 memcpy (dest, src, width);
572 gst_video_frame_unmap (&frame);
576 gst_vpx_dec_open_codec (GstVPXDec * dec, GstVideoCodecFrame * frame)
579 vpx_codec_stream_info_t stream_info;
580 vpx_codec_caps_t caps;
581 vpx_codec_dec_cfg_t cfg;
582 vpx_codec_err_t status;
584 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
586 g_return_val_if_fail (vpxclass->codec_algo != NULL, GST_FLOW_ERROR);
588 memset (&stream_info, 0, sizeof (stream_info));
589 memset (&cfg, 0, sizeof (cfg));
590 stream_info.sz = sizeof (stream_info);
592 if (!gst_buffer_map (frame->input_buffer, &minfo, GST_MAP_READ)) {
593 GST_ERROR_OBJECT (dec, "Failed to map input buffer");
594 return GST_FLOW_ERROR;
597 status = vpx_codec_peek_stream_info (vpxclass->codec_algo,
598 minfo.data, minfo.size, &stream_info);
600 gst_buffer_unmap (frame->input_buffer, &minfo);
602 if (status != VPX_CODEC_OK) {
603 GST_INFO_OBJECT (dec, "VPX preprocessing error: %s",
604 gst_vpx_error_name (status));
605 return GST_FLOW_CUSTOM_SUCCESS_1;
607 if (!stream_info.is_kf) {
608 GST_INFO_OBJECT (dec, "No keyframe, skipping");
609 return GST_FLOW_CUSTOM_SUCCESS_1;
611 if (stream_info.w == 0 || stream_info.h == 0) {
612 /* For VP8 it's possible to signal width or height to be 0, but it does
613 * not make sense to do so. For VP9 it's impossible. Hence, we most likely
614 * have a corrupt stream if width or height is 0. */
615 GST_INFO_OBJECT (dec, "Invalid resolution %d x %d", stream_info.w,
617 return GST_FLOW_CUSTOM_SUCCESS_1;
620 gst_vpx_dec_set_stream_info (dec, &stream_info);
621 gst_vpx_dec_set_default_format (dec, GST_VIDEO_FORMAT_I420, stream_info.w,
624 cfg.w = stream_info.w;
625 cfg.h = stream_info.h;
627 if (dec->threads > 0)
628 cfg.threads = dec->threads;
630 cfg.threads = g_get_num_processors ();
632 caps = vpx_codec_get_caps (vpxclass->codec_algo);
634 if (dec->post_processing) {
635 if (!(caps & VPX_CODEC_CAP_POSTPROC)) {
636 GST_WARNING_OBJECT (dec, "Decoder does not support post processing");
638 flags |= VPX_CODEC_USE_POSTPROC;
643 vpx_codec_dec_init (&dec->decoder, vpxclass->codec_algo, &cfg, flags);
644 if (status != VPX_CODEC_OK) {
645 GST_ELEMENT_ERROR (dec, LIBRARY, INIT,
646 ("Failed to initialize VP8 decoder"), ("%s",
647 gst_vpx_error_name (status)));
648 return GST_FLOW_ERROR;
651 if ((caps & VPX_CODEC_CAP_POSTPROC) && dec->post_processing) {
652 vp8_postproc_cfg_t pp_cfg = { 0, };
654 pp_cfg.post_proc_flag = dec->post_processing_flags;
655 pp_cfg.deblocking_level = dec->deblocking_level;
656 pp_cfg.noise_level = dec->noise_level;
658 status = vpx_codec_control (&dec->decoder, VP8_SET_POSTPROC, &pp_cfg);
659 if (status != VPX_CODEC_OK) {
660 GST_WARNING_OBJECT (dec, "Couldn't set postprocessing settings: %s",
661 gst_vpx_error_name (status));
664 vpx_codec_set_frame_buffer_functions (&dec->decoder,
665 gst_vpx_dec_get_buffer_cb, gst_vpx_dec_release_buffer_cb, dec);
667 dec->decoder_inited = TRUE;
673 gst_vpx_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
676 GstFlowReturn ret = GST_FLOW_OK;
677 vpx_codec_err_t status;
678 vpx_codec_iter_t iter = NULL;
680 long decoder_deadline = 0;
681 GstClockTimeDiff deadline;
683 GstVPXDecClass *vpxclass;
686 GST_LOG_OBJECT (decoder, "handle_frame");
688 dec = GST_VPX_DEC (decoder);
689 vpxclass = GST_VPX_DEC_GET_CLASS (dec);
691 if (!dec->decoder_inited) {
692 ret = vpxclass->open_codec (dec, frame);
693 if (ret == GST_FLOW_CUSTOM_SUCCESS_1) {
694 GstVideoDecoderRequestSyncPointFlags flags = 0;
696 if (gst_video_decoder_get_needs_sync_point (decoder))
697 flags |= GST_VIDEO_DECODER_REQUEST_SYNC_POINT_DISCARD_INPUT;
699 gst_video_decoder_request_sync_point (decoder, frame, flags);
700 gst_video_decoder_drop_frame (decoder, frame);
702 } else if (ret != GST_FLOW_OK) {
703 gst_video_codec_frame_unref (frame);
708 deadline = gst_video_decoder_get_max_decode_time (decoder, frame);
710 decoder_deadline = 1;
711 } else if (deadline == G_MAXINT64) {
712 decoder_deadline = 0;
714 decoder_deadline = MAX (1, deadline / GST_MSECOND);
717 if (!gst_buffer_map (frame->input_buffer, &minfo, GST_MAP_READ)) {
718 GST_ERROR_OBJECT (dec, "Failed to map input buffer");
719 gst_video_codec_frame_unref (frame);
720 return GST_FLOW_ERROR;
723 status = vpx_codec_decode (&dec->decoder,
724 minfo.data, minfo.size, NULL, decoder_deadline);
726 gst_buffer_unmap (frame->input_buffer, &minfo);
729 GstVideoDecoderRequestSyncPointFlags flags = 0;
731 GST_VIDEO_DECODER_ERROR (decoder, 1, LIBRARY, ENCODE,
732 ("Failed to decode frame"), ("%s", gst_vpx_error_name (status)), ret);
734 if (gst_video_decoder_get_needs_sync_point (decoder))
735 flags |= GST_VIDEO_DECODER_REQUEST_SYNC_POINT_DISCARD_INPUT;
737 gst_video_decoder_request_sync_point (decoder, frame, flags);
738 gst_video_codec_frame_unref (frame);
742 img = vpx_codec_get_frame (&dec->decoder, &iter);
744 if (vpxclass->get_frame_format (dec, img, &fmt) == FALSE) {
748 GST_ELEMENT_ERROR (decoder, LIBRARY, ENCODE,
749 ("Failed to decode frame"), ("Unsupported color format %d",
754 gst_video_codec_frame_unref (frame);
755 return GST_FLOW_ERROR;
759 GST_LOG_OBJECT (dec, "Skipping late frame (%f s past deadline)",
760 (double) -deadline / GST_SECOND);
761 gst_video_decoder_drop_frame (decoder, frame);
763 gst_vpx_dec_handle_resolution_change (dec, img, fmt);
764 if (img->fb_priv && dec->have_video_meta) {
765 frame->output_buffer = gst_vpx_dec_prepare_image (dec, img);
766 ret = gst_video_decoder_finish_frame (decoder, frame);
768 ret = gst_video_decoder_allocate_output_frame (decoder, frame);
770 if (ret == GST_FLOW_OK) {
771 gst_vpx_dec_image_to_buffer (dec, img, frame->output_buffer);
772 ret = gst_video_decoder_finish_frame (decoder, frame);
774 gst_video_decoder_drop_frame (decoder, frame);
781 while ((img = vpx_codec_get_frame (&dec->decoder, &iter))) {
782 GST_WARNING_OBJECT (decoder, "Multiple decoded frames... dropping");
786 /* Invisible frame */
787 GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY (frame);
788 gst_video_decoder_finish_frame (decoder, frame);
795 gst_vpx_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query)
797 GstVPXDec *dec = GST_VPX_DEC (bdec);
799 GstStructure *config;
801 if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (bdec, query))
804 g_assert (gst_query_get_n_allocation_pools (query) > 0);
805 gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
806 g_assert (pool != NULL);
808 config = gst_buffer_pool_get_config (pool);
809 if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
810 gst_buffer_pool_config_add_option (config,
811 GST_BUFFER_POOL_OPTION_VIDEO_META);
812 dec->have_video_meta = TRUE;
814 gst_buffer_pool_set_config (pool, config);
815 gst_object_unref (pool);
821 gst_vpx_dec_set_stream_info (GstVPXDec * dec,
822 vpx_codec_stream_info_t * stream_info)
824 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
825 if (vpxclass->set_stream_info != NULL) {
826 vpxclass->set_stream_info (dec, stream_info);
831 gst_vpx_dec_set_default_format (GstVPXDec * dec, GstVideoFormat fmt, int width,
834 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
835 if (vpxclass->set_default_format != NULL) {
836 vpxclass->set_default_format (dec, fmt, width, height);
841 gst_vpx_dec_default_frame_format (GstVPXDec * dec, vpx_image_t * img,
842 GstVideoFormat * fmt)
844 if (img->fmt == VPX_IMG_FMT_I420) {
845 *fmt = GST_VIDEO_FORMAT_I420;
854 gst_vpx_dec_handle_resolution_change (GstVPXDec * dec, vpx_image_t * img,
857 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
858 if (vpxclass->handle_resolution_change != NULL) {
859 vpxclass->handle_resolution_change (dec, img, fmt);
863 #endif /* HAVE_VP8_DECODER || HAVE_VP9_DECODER */