/* VPX * Copyright (C) 2006 David Schleef * Copyright (C) 2008,2009,2010 Entropy Wave Inc * Copyright (C) 2010-2012 Sebastian Dröge * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #if defined(HAVE_VP8_DECODER) || defined(HAVE_VP9_DECODER) #include #include "gstvpxdec.h" #include "gstvp8utils.h" #include #include GST_DEBUG_CATEGORY_STATIC (gst_vpxdec_debug); #define GST_CAT_DEFAULT gst_vpxdec_debug #define DEFAULT_POST_PROCESSING FALSE #define DEFAULT_POST_PROCESSING_FLAGS (VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE) #define DEFAULT_DEBLOCKING_LEVEL 4 #define DEFAULT_NOISE_LEVEL 0 #define DEFAULT_THREADS 0 #define DEFAULT_VIDEO_CODEC_TAG NULL #define DEFAULT_CODEC_ALGO NULL enum { PROP_0, PROP_POST_PROCESSING, PROP_POST_PROCESSING_FLAGS, PROP_DEBLOCKING_LEVEL, PROP_NOISE_LEVEL, PROP_THREADS }; #define C_FLAGS(v) ((guint) v) #define GST_VPX_DEC_TYPE_POST_PROCESSING_FLAGS (gst_vpx_dec_post_processing_flags_get_type()) static GType gst_vpx_dec_post_processing_flags_get_type (void) { static const GFlagsValue values[] = { {C_FLAGS (VP8_DEBLOCK), "Deblock", "deblock"}, {C_FLAGS (VP8_DEMACROBLOCK), "Demacroblock", "demacroblock"}, {C_FLAGS (VP8_ADDNOISE), "Add noise", "addnoise"}, {C_FLAGS (VP8_MFQE), "Multi-frame quality enhancement", "mfqe"}, {0, NULL, NULL} }; static volatile GType id = 0; if (g_once_init_enter ((gsize *) & id)) { GType _id; _id = g_flags_register_static ("GstVPXDecPostProcessingFlags", values); g_once_init_leave ((gsize *) & id, _id); } return id; } #undef C_FLAGS static void gst_vpx_dec_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_vpx_dec_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static gboolean gst_vpx_dec_start (GstVideoDecoder * decoder); static gboolean gst_vpx_dec_stop (GstVideoDecoder * decoder); static gboolean gst_vpx_dec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state); static gboolean gst_vpx_dec_flush (GstVideoDecoder * decoder); static GstFlowReturn gst_vpx_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame); static gboolean gst_vpx_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query); static void gst_vpx_dec_image_to_buffer (GstVPXDec * dec, const vpx_image_t * img, GstBuffer * buffer); static GstFlowReturn gst_vpx_dec_open_codec (GstVPXDec * dec, GstVideoCodecFrame * frame); static void gst_vpx_dec_default_send_tags (GstVPXDec * dec); static void gst_vpx_dec_set_stream_info (GstVPXDec * dec, vpx_codec_stream_info_t * stream_info); static void gst_vpx_dec_set_default_format (GstVPXDec * dec, GstVideoFormat fmt, int width, int height); static gboolean gst_vpx_dec_default_frame_format (GstVPXDec * dec, vpx_image_t * img, GstVideoFormat * fmt); static void gst_vpx_dec_handle_resolution_change (GstVPXDec * dec, vpx_image_t * img, GstVideoFormat fmt); #define parent_class gst_vpx_dec_parent_class G_DEFINE_TYPE (GstVPXDec, gst_vpx_dec, GST_TYPE_VIDEO_DECODER); static void gst_vpx_dec_class_init (GstVPXDecClass * klass) { GObjectClass *gobject_class; GstVideoDecoderClass *base_video_decoder_class; gobject_class = G_OBJECT_CLASS (klass); base_video_decoder_class = GST_VIDEO_DECODER_CLASS (klass); gobject_class->set_property = gst_vpx_dec_set_property; gobject_class->get_property = gst_vpx_dec_get_property; g_object_class_install_property (gobject_class, PROP_POST_PROCESSING, g_param_spec_boolean ("post-processing", "Post Processing", "Enable post processing", DEFAULT_POST_PROCESSING, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_POST_PROCESSING_FLAGS, g_param_spec_flags ("post-processing-flags", "Post Processing Flags", "Flags to control post processing", GST_VPX_DEC_TYPE_POST_PROCESSING_FLAGS, DEFAULT_POST_PROCESSING_FLAGS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_DEBLOCKING_LEVEL, g_param_spec_uint ("deblocking-level", "Deblocking Level", "Deblocking level", 0, 16, DEFAULT_DEBLOCKING_LEVEL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_NOISE_LEVEL, g_param_spec_uint ("noise-level", "Noise Level", "Noise level", 0, 16, DEFAULT_NOISE_LEVEL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_THREADS, g_param_spec_uint ("threads", "Max Threads", "Maximum number of decoding threads", 0, 16, DEFAULT_THREADS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); base_video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_vpx_dec_start); base_video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_vpx_dec_stop); base_video_decoder_class->flush = GST_DEBUG_FUNCPTR (gst_vpx_dec_flush); base_video_decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_vpx_dec_set_format); base_video_decoder_class->handle_frame = GST_DEBUG_FUNCPTR (gst_vpx_dec_handle_frame);; base_video_decoder_class->decide_allocation = GST_DEBUG_FUNCPTR (gst_vpx_dec_decide_allocation); klass->video_codec_tag = DEFAULT_VIDEO_CODEC_TAG; klass->codec_algo = DEFAULT_CODEC_ALGO; klass->open_codec = GST_DEBUG_FUNCPTR (gst_vpx_dec_open_codec); klass->send_tags = GST_DEBUG_FUNCPTR (gst_vpx_dec_default_send_tags); klass->set_stream_info = NULL; klass->set_default_format = NULL; klass->handle_resolution_change = NULL; klass->get_frame_format = GST_DEBUG_FUNCPTR (gst_vpx_dec_default_frame_format); GST_DEBUG_CATEGORY_INIT (gst_vpxdec_debug, "vpxdec", 0, "VPX Decoder"); } static void gst_vpx_dec_init (GstVPXDec * gst_vpx_dec) { GstVideoDecoder *decoder = (GstVideoDecoder *) gst_vpx_dec; GST_DEBUG_OBJECT (gst_vpx_dec, "gst_vpx_dec_init"); gst_video_decoder_set_packetized (decoder, TRUE); gst_vpx_dec->post_processing = DEFAULT_POST_PROCESSING; gst_vpx_dec->post_processing_flags = DEFAULT_POST_PROCESSING_FLAGS; gst_vpx_dec->deblocking_level = DEFAULT_DEBLOCKING_LEVEL; gst_vpx_dec->noise_level = DEFAULT_NOISE_LEVEL; gst_video_decoder_set_needs_format (decoder, TRUE); gst_video_decoder_set_use_default_pad_acceptcaps (decoder, TRUE); GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_DECODER_SINK_PAD (decoder)); } static void gst_vpx_dec_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstVPXDec *dec; g_return_if_fail (GST_IS_VPX_DEC (object)); dec = GST_VPX_DEC (object); GST_DEBUG_OBJECT (object, "gst_vpx_dec_set_property"); switch (prop_id) { case PROP_POST_PROCESSING: dec->post_processing = g_value_get_boolean (value); break; case PROP_POST_PROCESSING_FLAGS: dec->post_processing_flags = g_value_get_flags (value); break; case PROP_DEBLOCKING_LEVEL: dec->deblocking_level = g_value_get_uint (value); break; case PROP_NOISE_LEVEL: dec->noise_level = g_value_get_uint (value); break; case PROP_THREADS: dec->threads = g_value_get_uint (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_vpx_dec_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstVPXDec *dec; g_return_if_fail (GST_IS_VPX_DEC (object)); dec = GST_VPX_DEC (object); switch (prop_id) { case PROP_POST_PROCESSING: g_value_set_boolean (value, dec->post_processing); break; case PROP_POST_PROCESSING_FLAGS: g_value_set_flags (value, dec->post_processing_flags); break; case PROP_DEBLOCKING_LEVEL: g_value_set_uint (value, dec->deblocking_level); break; case PROP_NOISE_LEVEL: g_value_set_uint (value, dec->noise_level); break; case PROP_THREADS: g_value_set_uint (value, dec->threads); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static gboolean gst_vpx_dec_start (GstVideoDecoder * decoder) { GstVPXDec *gst_vpx_dec = GST_VPX_DEC (decoder); GST_DEBUG_OBJECT (gst_vpx_dec, "start"); gst_vpx_dec->decoder_inited = FALSE; return TRUE; } static gboolean gst_vpx_dec_stop (GstVideoDecoder * base_video_decoder) { GstVPXDec *gst_vpx_dec = GST_VPX_DEC (base_video_decoder); GST_DEBUG_OBJECT (gst_vpx_dec, "stop"); if (gst_vpx_dec->output_state) { gst_video_codec_state_unref (gst_vpx_dec->output_state); gst_vpx_dec->output_state = NULL; } if (gst_vpx_dec->input_state) { gst_video_codec_state_unref (gst_vpx_dec->input_state); gst_vpx_dec->input_state = NULL; } if (gst_vpx_dec->decoder_inited) vpx_codec_destroy (&gst_vpx_dec->decoder); gst_vpx_dec->decoder_inited = FALSE; if (gst_vpx_dec->pool) { gst_buffer_pool_set_active (gst_vpx_dec->pool, FALSE); gst_object_unref (gst_vpx_dec->pool); gst_vpx_dec->pool = NULL; gst_vpx_dec->buf_size = 0; } return TRUE; } static gboolean gst_vpx_dec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state) { GstVPXDec *gst_vpx_dec = GST_VPX_DEC (decoder); GST_DEBUG_OBJECT (gst_vpx_dec, "set_format"); if (gst_vpx_dec->decoder_inited) vpx_codec_destroy (&gst_vpx_dec->decoder); gst_vpx_dec->decoder_inited = FALSE; if (gst_vpx_dec->output_state) { gst_video_codec_state_unref (gst_vpx_dec->output_state); gst_vpx_dec->output_state = NULL; } if (gst_vpx_dec->input_state) { gst_video_codec_state_unref (gst_vpx_dec->input_state); } gst_vpx_dec->input_state = gst_video_codec_state_ref (state); return TRUE; } static gboolean gst_vpx_dec_flush (GstVideoDecoder * base_video_decoder) { GstVPXDec *decoder; GST_DEBUG_OBJECT (base_video_decoder, "flush"); decoder = GST_VPX_DEC (base_video_decoder); if (decoder->output_state) { gst_video_codec_state_unref (decoder->output_state); decoder->output_state = NULL; } if (decoder->decoder_inited) vpx_codec_destroy (&decoder->decoder); decoder->decoder_inited = FALSE; return TRUE; } static void gst_vpx_dec_default_send_tags (GstVPXDec * dec) { GstTagList *list; GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec); if (vpxclass->video_codec_tag == NULL) return; list = gst_tag_list_new_empty (); gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_VIDEO_CODEC, vpxclass->video_codec_tag, NULL); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (dec), gst_event_new_tag (list)); } #ifdef HAVE_VPX_1_4 struct Frame { GstMapInfo info; GstBuffer *buffer; }; static GstBuffer * gst_vpx_dec_prepare_image (GstVPXDec * dec, const vpx_image_t * img) { gint comp; GstVideoMeta *vmeta; GstBuffer *buffer; struct Frame *frame = img->fb_priv; GstVideoInfo *info = &dec->output_state->info; buffer = gst_buffer_ref (frame->buffer); vmeta = gst_buffer_get_video_meta (buffer); vmeta->format = GST_VIDEO_INFO_FORMAT (info); vmeta->width = GST_VIDEO_INFO_WIDTH (info); vmeta->height = GST_VIDEO_INFO_HEIGHT (info); vmeta->n_planes = GST_VIDEO_INFO_N_PLANES (info); for (comp = 0; comp < 4; comp++) { vmeta->stride[comp] = img->stride[comp]; vmeta->offset[comp] = img->planes[comp] ? img->planes[comp] - frame->info.data : 0; } /* FIXME This is a READ/WRITE mapped buffer see bug #754826 */ return buffer; } static int gst_vpx_dec_get_buffer_cb (gpointer priv, gsize min_size, vpx_codec_frame_buffer_t * fb) { GstVPXDec *dec = priv; GstBuffer *buffer = NULL; struct Frame *frame; GstFlowReturn ret; if (!dec->pool || dec->buf_size != min_size) { GstBufferPool *pool; GstStructure *config; GstCaps *caps; GstAllocator *allocator; GstAllocationParams params; if (dec->pool) { gst_buffer_pool_set_active (dec->pool, FALSE); gst_object_unref (dec->pool); dec->pool = NULL; dec->buf_size = 0; } gst_video_decoder_get_allocator (GST_VIDEO_DECODER (dec), &allocator, ¶ms); if (allocator && GST_OBJECT_FLAG_IS_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC)) { gst_object_unref (allocator); allocator = NULL; } pool = gst_buffer_pool_new (); config = gst_buffer_pool_get_config (pool); gst_buffer_pool_config_set_allocator (config, allocator, ¶ms); caps = gst_caps_from_string ("video/internal"); gst_buffer_pool_config_set_params (config, caps, min_size, 2, 0); gst_caps_unref (caps); gst_buffer_pool_set_config (pool, config); if (allocator) gst_object_unref (allocator); if (!gst_buffer_pool_set_active (pool, TRUE)) { GST_WARNING ("Failed to create internal pool"); gst_object_unref (pool); return -1; } dec->pool = pool; dec->buf_size = min_size; } ret = gst_buffer_pool_acquire_buffer (dec->pool, &buffer, NULL); if (ret != GST_FLOW_OK) { GST_WARNING ("Failed to acquire buffer from internal pool."); return -1; } /* Add it now, while the buffer is writable */ gst_buffer_add_video_meta (buffer, GST_VIDEO_FRAME_FLAG_NONE, GST_VIDEO_FORMAT_ENCODED, 0, 0); frame = g_new0 (struct Frame, 1); if (!gst_buffer_map (buffer, &frame->info, GST_MAP_READWRITE)) { gst_buffer_unref (buffer); g_free (frame); GST_WARNING ("Failed to map buffer from internal pool."); return -1; } fb->size = frame->info.size; fb->data = frame->info.data; frame->buffer = buffer; fb->priv = frame; GST_TRACE_OBJECT (priv, "Allocated buffer %p", frame->buffer); return 0; } static int gst_vpx_dec_release_buffer_cb (gpointer priv, vpx_codec_frame_buffer_t * fb) { struct Frame *frame = fb->priv; /* We're sometimes called without a frame */ if (!frame) return 0; GST_TRACE_OBJECT (priv, "Release buffer %p", frame->buffer); gst_buffer_unmap (frame->buffer, &frame->info); gst_buffer_unref (frame->buffer); g_free (frame); fb->priv = NULL; return 0; } #endif static void gst_vpx_dec_image_to_buffer (GstVPXDec * dec, const vpx_image_t * img, GstBuffer * buffer) { int deststride, srcstride, height, width, line, comp; guint8 *dest, *src; GstVideoFrame frame; GstVideoInfo *info = &dec->output_state->info; if (!gst_video_frame_map (&frame, info, buffer, GST_MAP_WRITE)) { GST_ERROR_OBJECT (dec, "Could not map video buffer"); return; } for (comp = 0; comp < 3; comp++) { dest = GST_VIDEO_FRAME_COMP_DATA (&frame, comp); src = img->planes[comp]; width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, comp) * GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, comp); height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, comp); deststride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, comp); srcstride = img->stride[comp]; if (srcstride == deststride) { GST_TRACE_OBJECT (dec, "Stride matches. Comp %d: %d, copying full plane", comp, srcstride); memcpy (dest, src, srcstride * height); } else { GST_TRACE_OBJECT (dec, "Stride mismatch. Comp %d: %d != %d, copying " "line by line.", comp, srcstride, deststride); for (line = 0; line < height; line++) { memcpy (dest, src, width); dest += deststride; src += srcstride; } } } gst_video_frame_unmap (&frame); } static GstFlowReturn gst_vpx_dec_open_codec (GstVPXDec * dec, GstVideoCodecFrame * frame) { int flags = 0; vpx_codec_stream_info_t stream_info; vpx_codec_caps_t caps; vpx_codec_dec_cfg_t cfg; vpx_codec_err_t status; GstMapInfo minfo; GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec); g_return_val_if_fail (vpxclass->codec_algo != NULL, GST_FLOW_ERROR); memset (&stream_info, 0, sizeof (stream_info)); memset (&cfg, 0, sizeof (cfg)); stream_info.sz = sizeof (stream_info); if (!gst_buffer_map (frame->input_buffer, &minfo, GST_MAP_READ)) { GST_ERROR_OBJECT (dec, "Failed to map input buffer"); return GST_FLOW_ERROR; } status = vpx_codec_peek_stream_info (vpxclass->codec_algo, minfo.data, minfo.size, &stream_info); gst_buffer_unmap (frame->input_buffer, &minfo); if (status != VPX_CODEC_OK) { GST_WARNING_OBJECT (dec, "VPX preprocessing error: %s", gst_vpx_error_name (status)); return GST_FLOW_CUSTOM_SUCCESS_1; } if (!stream_info.is_kf) { GST_WARNING_OBJECT (dec, "No keyframe, skipping"); return GST_FLOW_CUSTOM_SUCCESS_1; } gst_vpx_dec_set_stream_info (dec, &stream_info); gst_vpx_dec_set_default_format (dec, GST_VIDEO_FORMAT_I420, stream_info.w, stream_info.h); cfg.w = stream_info.w; cfg.h = stream_info.h; if (dec->threads > 0) cfg.threads = dec->threads; else cfg.threads = g_get_num_processors (); caps = vpx_codec_get_caps (vpxclass->codec_algo); if (dec->post_processing) { if (!(caps & VPX_CODEC_CAP_POSTPROC)) { GST_WARNING_OBJECT (dec, "Decoder does not support post processing"); } else { flags |= VPX_CODEC_USE_POSTPROC; } } status = vpx_codec_dec_init (&dec->decoder, vpxclass->codec_algo, &cfg, flags); if (status != VPX_CODEC_OK) { GST_ELEMENT_ERROR (dec, LIBRARY, INIT, ("Failed to initialize VP8 decoder"), ("%s", gst_vpx_error_name (status))); return GST_FLOW_ERROR; } if ((caps & VPX_CODEC_CAP_POSTPROC) && dec->post_processing) { vp8_postproc_cfg_t pp_cfg = { 0, }; pp_cfg.post_proc_flag = dec->post_processing_flags; pp_cfg.deblocking_level = dec->deblocking_level; pp_cfg.noise_level = dec->noise_level; status = vpx_codec_control (&dec->decoder, VP8_SET_POSTPROC, &pp_cfg); if (status != VPX_CODEC_OK) { GST_WARNING_OBJECT (dec, "Couldn't set postprocessing settings: %s", gst_vpx_error_name (status)); } } #ifdef HAVE_VPX_1_4 vpx_codec_set_frame_buffer_functions (&dec->decoder, gst_vpx_dec_get_buffer_cb, gst_vpx_dec_release_buffer_cb, dec); #endif dec->decoder_inited = TRUE; return GST_FLOW_OK; } static GstFlowReturn gst_vpx_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame) { GstVPXDec *dec; GstFlowReturn ret = GST_FLOW_OK; vpx_codec_err_t status; vpx_codec_iter_t iter = NULL; vpx_image_t *img; long decoder_deadline = 0; GstClockTimeDiff deadline; GstMapInfo minfo; GstVPXDecClass *vpxclass; GstVideoFormat fmt; GST_LOG_OBJECT (decoder, "handle_frame"); dec = GST_VPX_DEC (decoder); vpxclass = GST_VPX_DEC_GET_CLASS (dec); if (!dec->decoder_inited) { ret = vpxclass->open_codec (dec, frame); if (ret == GST_FLOW_CUSTOM_SUCCESS_1) { gst_video_decoder_drop_frame (decoder, frame); return GST_FLOW_OK; } else if (ret != GST_FLOW_OK) { gst_video_codec_frame_unref (frame); return ret; } } deadline = gst_video_decoder_get_max_decode_time (decoder, frame); if (deadline < 0) { decoder_deadline = 1; } else if (deadline == G_MAXINT64) { decoder_deadline = 0; } else { decoder_deadline = MAX (1, deadline / GST_MSECOND); } if (!gst_buffer_map (frame->input_buffer, &minfo, GST_MAP_READ)) { GST_ERROR_OBJECT (dec, "Failed to map input buffer"); gst_video_codec_frame_unref (frame); return GST_FLOW_ERROR; } status = vpx_codec_decode (&dec->decoder, minfo.data, minfo.size, NULL, decoder_deadline); gst_buffer_unmap (frame->input_buffer, &minfo); if (status) { GST_VIDEO_DECODER_ERROR (decoder, 1, LIBRARY, ENCODE, ("Failed to decode frame"), ("%s", gst_vpx_error_name (status)), ret); gst_video_codec_frame_unref (frame); return ret; } img = vpx_codec_get_frame (&dec->decoder, &iter); if (img) { if (vpxclass->get_frame_format (dec, img, &fmt) == FALSE) { vpx_img_free (img); GST_ELEMENT_ERROR (decoder, LIBRARY, ENCODE, ("Failed to decode frame"), ("Unsupported color format %d", img->fmt)); gst_video_codec_frame_unref (frame); return GST_FLOW_ERROR; } if (deadline < 0) { GST_LOG_OBJECT (dec, "Skipping late frame (%f s past deadline)", (double) -deadline / GST_SECOND); gst_video_decoder_drop_frame (decoder, frame); } else { gst_vpx_dec_handle_resolution_change (dec, img, fmt); #ifdef HAVE_VPX_1_4 if (img->fb_priv && dec->have_video_meta) { frame->output_buffer = gst_vpx_dec_prepare_image (dec, img); ret = gst_video_decoder_finish_frame (decoder, frame); } else #endif { ret = gst_video_decoder_allocate_output_frame (decoder, frame); if (ret == GST_FLOW_OK) { gst_vpx_dec_image_to_buffer (dec, img, frame->output_buffer); ret = gst_video_decoder_finish_frame (decoder, frame); } else { gst_video_decoder_drop_frame (decoder, frame); } } } vpx_img_free (img); while ((img = vpx_codec_get_frame (&dec->decoder, &iter))) { GST_WARNING_OBJECT (decoder, "Multiple decoded frames... dropping"); vpx_img_free (img); } } else { /* Invisible frame */ GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY (frame); gst_video_decoder_finish_frame (decoder, frame); } return ret; } static gboolean gst_vpx_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query) { GstVPXDec *dec = GST_VPX_DEC (bdec); GstBufferPool *pool; GstStructure *config; if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (bdec, query)) return FALSE; g_assert (gst_query_get_n_allocation_pools (query) > 0); gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL); g_assert (pool != NULL); config = gst_buffer_pool_get_config (pool); if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) { gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); dec->have_video_meta = TRUE; } gst_buffer_pool_set_config (pool, config); gst_object_unref (pool); return TRUE; } static void gst_vpx_dec_set_stream_info (GstVPXDec * dec, vpx_codec_stream_info_t * stream_info) { GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec); if (vpxclass->set_stream_info != NULL) { vpxclass->set_stream_info (dec, stream_info); } } static void gst_vpx_dec_set_default_format (GstVPXDec * dec, GstVideoFormat fmt, int width, int height) { GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec); if (vpxclass->set_default_format != NULL) { vpxclass->set_default_format (dec, fmt, width, height); } } static gboolean gst_vpx_dec_default_frame_format (GstVPXDec * dec, vpx_image_t * img, GstVideoFormat * fmt) { if (img->fmt == VPX_IMG_FMT_I420) { *fmt = GST_VIDEO_FORMAT_I420; return TRUE; } else { return FALSE; } } static void gst_vpx_dec_handle_resolution_change (GstVPXDec * dec, vpx_image_t * img, GstVideoFormat fmt) { GstVPXDecClass *vpxclass = GST_VPX_DEC_GET_CLASS (dec); if (vpxclass->handle_resolution_change != NULL) { vpxclass->handle_resolution_change (dec, img, fmt); } } #endif /* HAVE_VP8_DECODER || HAVE_VP9_DECODER */