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"},
82 static volatile GType id = 0;
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");
194 gst_vpx_dec_init (GstVPXDec * gst_vpx_dec)
196 GstVideoDecoder *decoder = (GstVideoDecoder *) gst_vpx_dec;
198 GST_DEBUG_OBJECT (gst_vpx_dec, "gst_vpx_dec_init");
199 gst_video_decoder_set_packetized (decoder, TRUE);
200 gst_vpx_dec->post_processing = DEFAULT_POST_PROCESSING;
201 gst_vpx_dec->post_processing_flags = DEFAULT_POST_PROCESSING_FLAGS;
202 gst_vpx_dec->deblocking_level = DEFAULT_DEBLOCKING_LEVEL;
203 gst_vpx_dec->noise_level = DEFAULT_NOISE_LEVEL;
205 gst_video_decoder_set_needs_format (decoder, TRUE);
206 gst_video_decoder_set_use_default_pad_acceptcaps (decoder, TRUE);
207 GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_DECODER_SINK_PAD (decoder));
211 gst_vpx_dec_set_property (GObject * object, guint prop_id,
212 const GValue * value, GParamSpec * pspec)
216 g_return_if_fail (GST_IS_VPX_DEC (object));
217 dec = GST_VPX_DEC (object);
219 GST_DEBUG_OBJECT (object, "gst_vpx_dec_set_property");
221 case PROP_POST_PROCESSING:
222 dec->post_processing = g_value_get_boolean (value);
224 case PROP_POST_PROCESSING_FLAGS:
225 dec->post_processing_flags = g_value_get_flags (value);
227 case PROP_DEBLOCKING_LEVEL:
228 dec->deblocking_level = g_value_get_uint (value);
230 case PROP_NOISE_LEVEL:
231 dec->noise_level = g_value_get_uint (value);
234 dec->threads = g_value_get_uint (value);
237 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
243 gst_vpx_dec_get_property (GObject * object, guint prop_id, GValue * value,
248 g_return_if_fail (GST_IS_VPX_DEC (object));
249 dec = GST_VPX_DEC (object);
252 case PROP_POST_PROCESSING:
253 g_value_set_boolean (value, dec->post_processing);
255 case PROP_POST_PROCESSING_FLAGS:
256 g_value_set_flags (value, dec->post_processing_flags);
258 case PROP_DEBLOCKING_LEVEL:
259 g_value_set_uint (value, dec->deblocking_level);
261 case PROP_NOISE_LEVEL:
262 g_value_set_uint (value, dec->noise_level);
265 g_value_set_uint (value, dec->threads);
268 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
274 gst_vpx_dec_start (GstVideoDecoder * decoder)
276 GstVPXDec *gst_vpx_dec = GST_VPX_DEC (decoder);
278 GST_DEBUG_OBJECT (gst_vpx_dec, "start");
279 gst_vpx_dec->decoder_inited = FALSE;
285 gst_vpx_dec_stop (GstVideoDecoder * base_video_decoder)
287 GstVPXDec *gst_vpx_dec = GST_VPX_DEC (base_video_decoder);
289 GST_DEBUG_OBJECT (gst_vpx_dec, "stop");
291 if (gst_vpx_dec->output_state) {
292 gst_video_codec_state_unref (gst_vpx_dec->output_state);
293 gst_vpx_dec->output_state = NULL;
296 if (gst_vpx_dec->input_state) {
297 gst_video_codec_state_unref (gst_vpx_dec->input_state);
298 gst_vpx_dec->input_state = NULL;
301 if (gst_vpx_dec->decoder_inited)
302 vpx_codec_destroy (&gst_vpx_dec->decoder);
303 gst_vpx_dec->decoder_inited = FALSE;
305 if (gst_vpx_dec->pool) {
306 gst_buffer_pool_set_active (gst_vpx_dec->pool, FALSE);
307 gst_object_unref (gst_vpx_dec->pool);
308 gst_vpx_dec->pool = NULL;
309 gst_vpx_dec->buf_size = 0;
316 gst_vpx_dec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state)
318 GstVPXDec *gst_vpx_dec = GST_VPX_DEC (decoder);
320 GST_DEBUG_OBJECT (gst_vpx_dec, "set_format");
322 if (gst_vpx_dec->decoder_inited)
323 vpx_codec_destroy (&gst_vpx_dec->decoder);
324 gst_vpx_dec->decoder_inited = FALSE;
326 if (gst_vpx_dec->output_state) {
327 gst_video_codec_state_unref (gst_vpx_dec->output_state);
328 gst_vpx_dec->output_state = NULL;
331 if (gst_vpx_dec->input_state) {
332 gst_video_codec_state_unref (gst_vpx_dec->input_state);
335 gst_vpx_dec->input_state = gst_video_codec_state_ref (state);
341 gst_vpx_dec_flush (GstVideoDecoder * base_video_decoder)
345 GST_DEBUG_OBJECT (base_video_decoder, "flush");
347 decoder = GST_VPX_DEC (base_video_decoder);
349 if (decoder->output_state) {
350 gst_video_codec_state_unref (decoder->output_state);
351 decoder->output_state = NULL;
354 if (decoder->decoder_inited)
355 vpx_codec_destroy (&decoder->decoder);
356 decoder->decoder_inited = FALSE;
362 gst_vpx_dec_default_send_tags (GstVPXDec * dec)
365 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
367 if (vpxclass->video_codec_tag == NULL)
370 list = gst_tag_list_new_empty ();
371 gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
372 GST_TAG_VIDEO_CODEC, vpxclass->video_codec_tag, NULL);
374 gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (dec),
375 gst_event_new_tag (list));
385 gst_vpx_dec_prepare_image (GstVPXDec * dec, const vpx_image_t * img)
390 struct Frame *frame = img->fb_priv;
391 GstVideoInfo *info = &dec->output_state->info;
393 buffer = gst_buffer_ref (frame->buffer);
395 vmeta = gst_buffer_get_video_meta (buffer);
396 vmeta->format = GST_VIDEO_INFO_FORMAT (info);
397 vmeta->width = GST_VIDEO_INFO_WIDTH (info);
398 vmeta->height = GST_VIDEO_INFO_HEIGHT (info);
399 vmeta->n_planes = GST_VIDEO_INFO_N_PLANES (info);
401 for (comp = 0; comp < 4; comp++) {
402 vmeta->stride[comp] = img->stride[comp];
403 vmeta->offset[comp] =
404 img->planes[comp] ? img->planes[comp] - frame->info.data : 0;
407 /* FIXME This is a READ/WRITE mapped buffer see bug #754826 */
413 gst_vpx_dec_get_buffer_cb (gpointer priv, gsize min_size,
414 vpx_codec_frame_buffer_t * fb)
416 GstVPXDec *dec = priv;
417 GstBuffer *buffer = NULL;
421 if (!dec->pool || dec->buf_size != min_size) {
423 GstStructure *config;
425 GstAllocator *allocator;
426 GstAllocationParams params;
429 gst_buffer_pool_set_active (dec->pool, FALSE);
430 gst_object_unref (dec->pool);
435 gst_video_decoder_get_allocator (GST_VIDEO_DECODER (dec), &allocator,
439 GST_OBJECT_FLAG_IS_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC)) {
440 gst_object_unref (allocator);
444 pool = gst_buffer_pool_new ();
445 config = gst_buffer_pool_get_config (pool);
446 gst_buffer_pool_config_set_allocator (config, allocator, ¶ms);
447 caps = gst_caps_from_string ("video/internal");
448 gst_buffer_pool_config_set_params (config, caps, min_size, 2, 0);
449 gst_caps_unref (caps);
450 gst_buffer_pool_set_config (pool, config);
453 gst_object_unref (allocator);
455 if (!gst_buffer_pool_set_active (pool, TRUE)) {
456 GST_WARNING ("Failed to create internal pool");
457 gst_object_unref (pool);
462 dec->buf_size = min_size;
465 ret = gst_buffer_pool_acquire_buffer (dec->pool, &buffer, NULL);
466 if (ret != GST_FLOW_OK) {
467 GST_WARNING ("Failed to acquire buffer from internal pool.");
471 /* Add it now, while the buffer is writable */
472 gst_buffer_add_video_meta (buffer, GST_VIDEO_FRAME_FLAG_NONE,
473 GST_VIDEO_FORMAT_ENCODED, 0, 0);
475 frame = g_new0 (struct Frame, 1);
476 if (!gst_buffer_map (buffer, &frame->info, GST_MAP_READWRITE)) {
477 gst_buffer_unref (buffer);
479 GST_WARNING ("Failed to map buffer from internal pool.");
483 fb->size = frame->info.size;
484 fb->data = frame->info.data;
485 frame->buffer = buffer;
488 GST_TRACE_OBJECT (priv, "Allocated buffer %p", frame->buffer);
494 gst_vpx_dec_release_buffer_cb (gpointer priv, vpx_codec_frame_buffer_t * fb)
496 struct Frame *frame = fb->priv;
498 /* We're sometimes called without a frame */
502 GST_TRACE_OBJECT (priv, "Release buffer %p", frame->buffer);
504 gst_buffer_unmap (frame->buffer, &frame->info);
505 gst_buffer_unref (frame->buffer);
513 gst_vpx_dec_image_to_buffer (GstVPXDec * dec, const vpx_image_t * img,
516 int deststride, srcstride, height, width, line, comp;
519 GstVideoInfo *info = &dec->output_state->info;
521 if (!gst_video_frame_map (&frame, info, buffer, GST_MAP_WRITE)) {
522 GST_ERROR_OBJECT (dec, "Could not map video buffer");
526 for (comp = 0; comp < 3; comp++) {
527 dest = GST_VIDEO_FRAME_COMP_DATA (&frame, comp);
528 src = img->planes[comp];
529 width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, comp)
530 * GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, comp);
531 height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, comp);
532 deststride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, comp);
533 srcstride = img->stride[comp];
535 if (srcstride == deststride) {
536 GST_TRACE_OBJECT (dec, "Stride matches. Comp %d: %d, copying full plane",
538 memcpy (dest, src, srcstride * height);
540 GST_TRACE_OBJECT (dec, "Stride mismatch. Comp %d: %d != %d, copying "
541 "line by line.", comp, srcstride, deststride);
542 for (line = 0; line < height; line++) {
543 memcpy (dest, src, width);
550 gst_video_frame_unmap (&frame);
554 gst_vpx_dec_open_codec (GstVPXDec * dec, GstVideoCodecFrame * frame)
557 vpx_codec_stream_info_t stream_info;
558 vpx_codec_caps_t caps;
559 vpx_codec_dec_cfg_t cfg;
560 vpx_codec_err_t status;
562 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
564 g_return_val_if_fail (vpxclass->codec_algo != NULL, GST_FLOW_ERROR);
566 memset (&stream_info, 0, sizeof (stream_info));
567 memset (&cfg, 0, sizeof (cfg));
568 stream_info.sz = sizeof (stream_info);
570 if (!gst_buffer_map (frame->input_buffer, &minfo, GST_MAP_READ)) {
571 GST_ERROR_OBJECT (dec, "Failed to map input buffer");
572 return GST_FLOW_ERROR;
575 status = vpx_codec_peek_stream_info (vpxclass->codec_algo,
576 minfo.data, minfo.size, &stream_info);
578 gst_buffer_unmap (frame->input_buffer, &minfo);
580 if (status != VPX_CODEC_OK) {
581 GST_WARNING_OBJECT (dec, "VPX preprocessing error: %s",
582 gst_vpx_error_name (status));
583 return GST_FLOW_CUSTOM_SUCCESS_1;
585 if (!stream_info.is_kf) {
586 GST_WARNING_OBJECT (dec, "No keyframe, skipping");
587 return GST_FLOW_CUSTOM_SUCCESS_1;
589 if (stream_info.w == 0 || stream_info.h == 0) {
590 /* For VP8 it's possible to signal width or height to be 0, but it does
591 * not make sense to do so. For VP9 it's impossible. Hence, we most likely
592 * have a corrupt stream if width or height is 0. */
593 GST_INFO_OBJECT (dec, "Invalid resolution %d x %d", stream_info.w,
595 return GST_FLOW_CUSTOM_SUCCESS_1;
598 gst_vpx_dec_set_stream_info (dec, &stream_info);
599 gst_vpx_dec_set_default_format (dec, GST_VIDEO_FORMAT_I420, stream_info.w,
602 cfg.w = stream_info.w;
603 cfg.h = stream_info.h;
605 if (dec->threads > 0)
606 cfg.threads = dec->threads;
608 cfg.threads = g_get_num_processors ();
610 caps = vpx_codec_get_caps (vpxclass->codec_algo);
612 if (dec->post_processing) {
613 if (!(caps & VPX_CODEC_CAP_POSTPROC)) {
614 GST_WARNING_OBJECT (dec, "Decoder does not support post processing");
616 flags |= VPX_CODEC_USE_POSTPROC;
621 vpx_codec_dec_init (&dec->decoder, vpxclass->codec_algo, &cfg, flags);
622 if (status != VPX_CODEC_OK) {
623 GST_ELEMENT_ERROR (dec, LIBRARY, INIT,
624 ("Failed to initialize VP8 decoder"), ("%s",
625 gst_vpx_error_name (status)));
626 return GST_FLOW_ERROR;
629 if ((caps & VPX_CODEC_CAP_POSTPROC) && dec->post_processing) {
630 vp8_postproc_cfg_t pp_cfg = { 0, };
632 pp_cfg.post_proc_flag = dec->post_processing_flags;
633 pp_cfg.deblocking_level = dec->deblocking_level;
634 pp_cfg.noise_level = dec->noise_level;
636 status = vpx_codec_control (&dec->decoder, VP8_SET_POSTPROC, &pp_cfg);
637 if (status != VPX_CODEC_OK) {
638 GST_WARNING_OBJECT (dec, "Couldn't set postprocessing settings: %s",
639 gst_vpx_error_name (status));
642 vpx_codec_set_frame_buffer_functions (&dec->decoder,
643 gst_vpx_dec_get_buffer_cb, gst_vpx_dec_release_buffer_cb, dec);
645 dec->decoder_inited = TRUE;
651 gst_vpx_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
654 GstFlowReturn ret = GST_FLOW_OK;
655 vpx_codec_err_t status;
656 vpx_codec_iter_t iter = NULL;
658 long decoder_deadline = 0;
659 GstClockTimeDiff deadline;
661 GstVPXDecClass *vpxclass;
664 GST_LOG_OBJECT (decoder, "handle_frame");
666 dec = GST_VPX_DEC (decoder);
667 vpxclass = GST_VPX_DEC_GET_CLASS (dec);
669 if (!dec->decoder_inited) {
670 ret = vpxclass->open_codec (dec, frame);
671 if (ret == GST_FLOW_CUSTOM_SUCCESS_1) {
672 gst_video_decoder_drop_frame (decoder, frame);
674 } else if (ret != GST_FLOW_OK) {
675 gst_video_codec_frame_unref (frame);
680 deadline = gst_video_decoder_get_max_decode_time (decoder, frame);
682 decoder_deadline = 1;
683 } else if (deadline == G_MAXINT64) {
684 decoder_deadline = 0;
686 decoder_deadline = MAX (1, deadline / GST_MSECOND);
689 if (!gst_buffer_map (frame->input_buffer, &minfo, GST_MAP_READ)) {
690 GST_ERROR_OBJECT (dec, "Failed to map input buffer");
691 gst_video_codec_frame_unref (frame);
692 return GST_FLOW_ERROR;
695 status = vpx_codec_decode (&dec->decoder,
696 minfo.data, minfo.size, NULL, decoder_deadline);
698 gst_buffer_unmap (frame->input_buffer, &minfo);
701 GST_VIDEO_DECODER_ERROR (decoder, 1, LIBRARY, ENCODE,
702 ("Failed to decode frame"), ("%s", gst_vpx_error_name (status)), ret);
703 gst_video_codec_frame_unref (frame);
707 img = vpx_codec_get_frame (&dec->decoder, &iter);
709 if (vpxclass->get_frame_format (dec, img, &fmt) == FALSE) {
711 GST_ELEMENT_ERROR (decoder, LIBRARY, ENCODE,
712 ("Failed to decode frame"), ("Unsupported color format %d",
714 gst_video_codec_frame_unref (frame);
715 return GST_FLOW_ERROR;
719 GST_LOG_OBJECT (dec, "Skipping late frame (%f s past deadline)",
720 (double) -deadline / GST_SECOND);
721 gst_video_decoder_drop_frame (decoder, frame);
723 gst_vpx_dec_handle_resolution_change (dec, img, fmt);
724 if (img->fb_priv && dec->have_video_meta) {
725 frame->output_buffer = gst_vpx_dec_prepare_image (dec, img);
726 ret = gst_video_decoder_finish_frame (decoder, frame);
728 ret = gst_video_decoder_allocate_output_frame (decoder, frame);
730 if (ret == GST_FLOW_OK) {
731 gst_vpx_dec_image_to_buffer (dec, img, frame->output_buffer);
732 ret = gst_video_decoder_finish_frame (decoder, frame);
734 gst_video_decoder_drop_frame (decoder, frame);
741 while ((img = vpx_codec_get_frame (&dec->decoder, &iter))) {
742 GST_WARNING_OBJECT (decoder, "Multiple decoded frames... dropping");
746 /* Invisible frame */
747 GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY (frame);
748 gst_video_decoder_finish_frame (decoder, frame);
755 gst_vpx_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query)
757 GstVPXDec *dec = GST_VPX_DEC (bdec);
759 GstStructure *config;
761 if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (bdec, query))
764 g_assert (gst_query_get_n_allocation_pools (query) > 0);
765 gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
766 g_assert (pool != NULL);
768 config = gst_buffer_pool_get_config (pool);
769 if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
770 gst_buffer_pool_config_add_option (config,
771 GST_BUFFER_POOL_OPTION_VIDEO_META);
772 dec->have_video_meta = TRUE;
774 gst_buffer_pool_set_config (pool, config);
775 gst_object_unref (pool);
781 gst_vpx_dec_set_stream_info (GstVPXDec * dec,
782 vpx_codec_stream_info_t * stream_info)
784 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
785 if (vpxclass->set_stream_info != NULL) {
786 vpxclass->set_stream_info (dec, stream_info);
791 gst_vpx_dec_set_default_format (GstVPXDec * dec, GstVideoFormat fmt, int width,
794 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
795 if (vpxclass->set_default_format != NULL) {
796 vpxclass->set_default_format (dec, fmt, width, height);
801 gst_vpx_dec_default_frame_format (GstVPXDec * dec, vpx_image_t * img,
802 GstVideoFormat * fmt)
804 if (img->fmt == VPX_IMG_FMT_I420) {
805 *fmt = GST_VIDEO_FORMAT_I420;
814 gst_vpx_dec_handle_resolution_change (GstVPXDec * dec, vpx_image_t * img,
817 GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec);
818 if (vpxclass->handle_resolution_change != NULL) {
819 vpxclass->handle_resolution_change (dec, img, fmt);
823 #endif /* HAVE_VP8_DECODER || HAVE_VP9_DECODER */