mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Where applicable, remove methods that don't do anything different than the default implementation.
364 lines
9.9 KiB
C
364 lines
9.9 KiB
C
/* GStreamer
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*
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* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvdpdecoder.h"
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#include "gstvdpvideomemory.h"
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#include "gstvdpvideobufferpool.h"
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GST_DEBUG_CATEGORY_STATIC (gst_vdp_decoder_debug);
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#define GST_CAT_DEFAULT gst_vdp_decoder_debug
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_INIT (gst_vdp_decoder_debug, "vdpdecoder", 0, \
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"VDPAU decoder base class");
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#define gst_vdp_decoder_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstVdpDecoder, gst_vdp_decoder, GST_TYPE_VIDEO_DECODER,
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DEBUG_INIT);
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enum
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{
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PROP_0,
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PROP_DISPLAY
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};
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void
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gst_vdp_decoder_post_error (GstVdpDecoder * decoder, GError * error)
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{
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GstMessage *message;
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g_return_if_fail (GST_IS_VDP_DECODER (decoder));
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g_return_if_fail (decoder != NULL);
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message = gst_message_new_error (GST_OBJECT (decoder), error, NULL);
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gst_element_post_message (GST_ELEMENT (decoder), message);
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g_error_free (error);
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}
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GstFlowReturn
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gst_vdp_decoder_render (GstVdpDecoder * vdp_decoder, VdpPictureInfo * info,
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guint n_bufs, VdpBitstreamBuffer * bufs, GstVideoCodecFrame * frame)
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{
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GstFlowReturn ret;
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VdpStatus status;
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GstVdpVideoMemory *vmem;
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#ifndef GST_DISABLE_GST_DEBUG
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GstClockTime before, after;
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#endif
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GST_DEBUG_OBJECT (vdp_decoder, "n_bufs:%d, frame:%d", n_bufs,
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frame->system_frame_number);
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ret =
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gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (vdp_decoder),
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frame);
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if (ret != GST_FLOW_OK)
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goto fail_alloc;
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vmem = (GstVdpVideoMemory *) gst_buffer_get_memory (frame->output_buffer, 0);
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if (!vmem
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|| !gst_memory_is_type ((GstMemory *) vmem,
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GST_VDP_VIDEO_MEMORY_ALLOCATOR))
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goto no_mem;
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GST_DEBUG_OBJECT (vdp_decoder, "Calling VdpDecoderRender()");
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#ifndef GST_DISABLE_GST_DEBUG
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before = gst_util_get_timestamp ();
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#endif
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status =
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vdp_decoder->device->vdp_decoder_render (vdp_decoder->decoder,
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vmem->surface, info, n_bufs, bufs);
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#ifndef GST_DISABLE_GST_DEBUG
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after = gst_util_get_timestamp ();
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#endif
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if (status != VDP_STATUS_OK)
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goto decode_error;
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GST_DEBUG_OBJECT (vdp_decoder, "VdpDecoderRender() took %" GST_TIME_FORMAT,
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GST_TIME_ARGS (after - before));
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return GST_FLOW_OK;
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decode_error:
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GST_ELEMENT_ERROR (vdp_decoder, RESOURCE, READ,
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("Could not decode"),
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("Error returned from vdpau was: %s",
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vdp_decoder->device->vdp_get_error_string (status)));
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gst_video_decoder_drop_frame (GST_VIDEO_DECODER (vdp_decoder), frame);
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return GST_FLOW_ERROR;
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fail_alloc:
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{
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GST_WARNING_OBJECT (vdp_decoder, "Failed to get an output frame");
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return ret;
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}
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no_mem:
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{
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GST_ERROR_OBJECT (vdp_decoder, "Didn't get VdpVideoSurface backed buffer");
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return GST_FLOW_ERROR;
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}
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}
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GstFlowReturn
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gst_vdp_decoder_init_decoder (GstVdpDecoder * vdp_decoder,
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VdpDecoderProfile profile, guint32 max_references,
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GstVideoCodecState * output_state)
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{
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GstVdpDevice *device;
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VdpStatus status;
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device = vdp_decoder->device;
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if (vdp_decoder->decoder != VDP_INVALID_HANDLE) {
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status = device->vdp_decoder_destroy (vdp_decoder->decoder);
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if (status != VDP_STATUS_OK)
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goto destroy_decoder_error;
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}
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GST_DEBUG_OBJECT (vdp_decoder,
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"device:%u, profile:%d, width:%d, height:%d, max_references:%d",
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device->device, profile, output_state->info.width,
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output_state->info.height, max_references);
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status = device->vdp_decoder_create (device->device, profile,
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output_state->info.width, output_state->info.height, max_references,
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&vdp_decoder->decoder);
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if (status != VDP_STATUS_OK)
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goto create_decoder_error;
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return GST_FLOW_OK;
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destroy_decoder_error:
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GST_ELEMENT_ERROR (vdp_decoder, RESOURCE, READ,
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("Could not destroy vdpau decoder"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return GST_FLOW_ERROR;
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create_decoder_error:
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GST_ELEMENT_ERROR (vdp_decoder, RESOURCE, READ,
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("Could not create vdpau decoder"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return GST_FLOW_ERROR;
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}
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static gboolean
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gst_vdp_decoder_decide_allocation (GstVideoDecoder * video_decoder,
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GstQuery * query)
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{
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GstVdpDecoder *vdp_decoder = GST_VDP_DECODER (video_decoder);
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GstCaps *outcaps;
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GstBufferPool *pool = NULL;
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guint size, min = 0, max = 0;
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GstStructure *config;
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GstVideoInfo vinfo;
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gboolean update_pool;
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gst_query_parse_allocation (query, &outcaps, NULL);
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gst_video_info_init (&vinfo);
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gst_video_info_from_caps (&vinfo, outcaps);
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if (gst_query_get_n_allocation_pools (query) > 0) {
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gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
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size = MAX (size, vinfo.size);
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update_pool = TRUE;
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} else {
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pool = NULL;
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size = vinfo.size;
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min = max = 0;
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update_pool = FALSE;
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}
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if (pool == NULL
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|| !gst_buffer_pool_has_option (pool,
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GST_BUFFER_POOL_OPTION_VDP_VIDEO_META)) {
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/* no pool, we can make our own */
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GST_DEBUG_OBJECT (video_decoder,
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"no pool or doesn't support GstVdpVideoMeta, making new pool");
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pool = gst_vdp_video_buffer_pool_new (vdp_decoder->device);
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}
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/* now configure */
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
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gst_buffer_pool_config_add_option (config,
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GST_BUFFER_POOL_OPTION_VDP_VIDEO_META);
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gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
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gst_buffer_pool_set_config (pool, config);
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if (update_pool)
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gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
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else
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gst_query_add_allocation_pool (query, pool, size, min, max);
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if (pool)
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gst_object_unref (pool);
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return TRUE;
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}
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static gboolean
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gst_vdp_decoder_start (GstVideoDecoder * video_decoder)
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{
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GstVdpDecoder *vdp_decoder = GST_VDP_DECODER (video_decoder);
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GError *err = NULL;
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GST_DEBUG_OBJECT (video_decoder, "Starting");
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vdp_decoder->device = gst_vdp_get_device (vdp_decoder->display, &err);
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if (G_UNLIKELY (!vdp_decoder->device))
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goto device_error;
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vdp_decoder->decoder = VDP_INVALID_HANDLE;
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return TRUE;
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device_error:
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gst_vdp_decoder_post_error (vdp_decoder, err);
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return FALSE;
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}
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static gboolean
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gst_vdp_decoder_stop (GstVideoDecoder * video_decoder)
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{
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GstVdpDecoder *vdp_decoder = GST_VDP_DECODER (video_decoder);
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if (vdp_decoder->decoder != VDP_INVALID_HANDLE) {
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GstVdpDevice *device = vdp_decoder->device;
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VdpStatus status;
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status = device->vdp_decoder_destroy (vdp_decoder->decoder);
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if (status != VDP_STATUS_OK) {
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GST_ELEMENT_ERROR (vdp_decoder, RESOURCE, READ,
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("Could not destroy vdpau decoder"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return FALSE;
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}
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}
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g_object_unref (vdp_decoder->device);
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return TRUE;
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}
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static void
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gst_vdp_decoder_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstVdpDecoder *vdp_decoder = GST_VDP_DECODER (object);
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switch (prop_id) {
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case PROP_DISPLAY:
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g_value_set_string (value, vdp_decoder->display);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_vdp_decoder_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVdpDecoder *vdp_decoder = GST_VDP_DECODER (object);
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switch (prop_id) {
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case PROP_DISPLAY:
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g_free (vdp_decoder->display);
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vdp_decoder->display = g_value_dup_string (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_vdp_decoder_finalize (GObject * object)
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{
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GstVdpDecoder *vdp_decoder = GST_VDP_DECODER (object);
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g_free (vdp_decoder->display);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_vdp_decoder_init (GstVdpDecoder * vdp_decoder)
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{
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}
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static void
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gst_vdp_decoder_class_init (GstVdpDecoderClass * klass)
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{
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GObjectClass *object_class;
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GstVideoDecoderClass *video_decoder_class;
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GstElementClass *element_class;
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GstCaps *src_caps;
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GstPadTemplate *src_template;
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object_class = G_OBJECT_CLASS (klass);
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element_class = GST_ELEMENT_CLASS (klass);
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video_decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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object_class->get_property = gst_vdp_decoder_get_property;
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object_class->set_property = gst_vdp_decoder_set_property;
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object_class->finalize = gst_vdp_decoder_finalize;
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video_decoder_class->start = gst_vdp_decoder_start;
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video_decoder_class->stop = gst_vdp_decoder_stop;
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video_decoder_class->decide_allocation = gst_vdp_decoder_decide_allocation;
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GST_FIXME ("Actually create srcpad template from hw capabilities");
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src_caps =
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gst_caps_from_string (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
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(GST_CAPS_FEATURE_MEMORY_VDPAU,
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"{ YV12 }") ";" GST_VIDEO_CAPS_MAKE ("{ YV12 }"));
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src_template =
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gst_pad_template_new (GST_VIDEO_DECODER_SRC_NAME, GST_PAD_SRC,
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GST_PAD_ALWAYS, src_caps);
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gst_element_class_add_pad_template (element_class, src_template);
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g_object_class_install_property (object_class,
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PROP_DISPLAY, g_param_spec_string ("display", "Display", "X Display name",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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}
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