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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1586 lines
48 KiB
C
1586 lines
48 KiB
C
/*
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* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
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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 Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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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 <gst/gst.h>
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#include <gst/video/gstvideometa.h>
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#include <gst/video/gstvideopool.h>
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#include <string.h>
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#include "gstomxvideodec.h"
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GST_DEBUG_CATEGORY_STATIC (gst_omx_video_dec_debug_category);
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#define GST_CAT_DEFAULT gst_omx_video_dec_debug_category
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typedef struct _BufferIdentification BufferIdentification;
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struct _BufferIdentification
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{
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guint64 timestamp;
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};
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static void
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buffer_identification_free (BufferIdentification * id)
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{
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g_slice_free (BufferIdentification, id);
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}
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/* prototypes */
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static void gst_omx_video_dec_finalize (GObject * object);
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static GstStateChangeReturn
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gst_omx_video_dec_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_omx_video_dec_open (GstVideoDecoder * decoder);
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static gboolean gst_omx_video_dec_close (GstVideoDecoder * decoder);
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static gboolean gst_omx_video_dec_start (GstVideoDecoder * decoder);
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static gboolean gst_omx_video_dec_stop (GstVideoDecoder * decoder);
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static gboolean gst_omx_video_dec_set_format (GstVideoDecoder * decoder,
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GstVideoCodecState * state);
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static gboolean gst_omx_video_dec_reset (GstVideoDecoder * decoder,
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gboolean hard);
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static GstFlowReturn gst_omx_video_dec_handle_frame (GstVideoDecoder * decoder,
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GstVideoCodecFrame * frame);
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static GstFlowReturn gst_omx_video_dec_finish (GstVideoDecoder * decoder);
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static gboolean gst_omx_video_dec_decide_allocation (GstVideoDecoder * bdec,
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GstQuery * query);
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static GstFlowReturn gst_omx_video_dec_drain (GstOMXVideoDec * self,
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gboolean is_eos);
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enum
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{
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PROP_0
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};
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/* class initialization */
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_INIT (gst_omx_video_dec_debug_category, "omxvideodec", 0, \
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"debug category for gst-omx video decoder base class");
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstOMXVideoDec, gst_omx_video_dec,
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GST_TYPE_VIDEO_DECODER, DEBUG_INIT);
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static void
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gst_omx_video_dec_class_init (GstOMXVideoDecClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstVideoDecoderClass *video_decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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gobject_class->finalize = gst_omx_video_dec_finalize;
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element_class->change_state =
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GST_DEBUG_FUNCPTR (gst_omx_video_dec_change_state);
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video_decoder_class->open = GST_DEBUG_FUNCPTR (gst_omx_video_dec_open);
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video_decoder_class->close = GST_DEBUG_FUNCPTR (gst_omx_video_dec_close);
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video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_omx_video_dec_start);
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video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_omx_video_dec_stop);
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video_decoder_class->reset = GST_DEBUG_FUNCPTR (gst_omx_video_dec_reset);
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video_decoder_class->set_format =
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GST_DEBUG_FUNCPTR (gst_omx_video_dec_set_format);
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video_decoder_class->handle_frame =
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GST_DEBUG_FUNCPTR (gst_omx_video_dec_handle_frame);
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video_decoder_class->finish = GST_DEBUG_FUNCPTR (gst_omx_video_dec_finish);
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video_decoder_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_omx_video_dec_decide_allocation);
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klass->cdata.default_src_template_caps = "video/x-raw, "
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"width = " GST_VIDEO_SIZE_RANGE ", "
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"height = " GST_VIDEO_SIZE_RANGE ", " "framerate = " GST_VIDEO_FPS_RANGE;
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}
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static void
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gst_omx_video_dec_init (GstOMXVideoDec * self)
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{
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gst_video_decoder_set_packetized (GST_VIDEO_DECODER (self), TRUE);
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g_mutex_init (&self->drain_lock);
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g_cond_init (&self->drain_cond);
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}
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static gboolean
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gst_omx_video_dec_open (GstVideoDecoder * decoder)
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{
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GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (decoder);
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GstOMXVideoDecClass *klass = GST_OMX_VIDEO_DEC_GET_CLASS (self);
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gint in_port_index, out_port_index;
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GST_DEBUG_OBJECT (self, "Opening decoder");
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self->dec =
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gst_omx_component_new (GST_OBJECT_CAST (self), klass->cdata.core_name,
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klass->cdata.component_name, klass->cdata.component_role,
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klass->cdata.hacks);
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self->started = FALSE;
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if (!self->dec)
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return FALSE;
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if (gst_omx_component_get_state (self->dec,
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GST_CLOCK_TIME_NONE) != OMX_StateLoaded)
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return FALSE;
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in_port_index = klass->cdata.in_port_index;
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out_port_index = klass->cdata.out_port_index;
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if (in_port_index == -1 || out_port_index == -1) {
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OMX_PORT_PARAM_TYPE param;
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OMX_ERRORTYPE err;
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GST_OMX_INIT_STRUCT (¶m);
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err =
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gst_omx_component_get_parameter (self->dec, OMX_IndexParamVideoInit,
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¶m);
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if (err != OMX_ErrorNone) {
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GST_WARNING_OBJECT (self, "Couldn't get port information: %s (0x%08x)",
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gst_omx_error_to_string (err), err);
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/* Fallback */
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in_port_index = 0;
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out_port_index = 1;
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} else {
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GST_DEBUG_OBJECT (self, "Detected %u ports, starting at %u", param.nPorts,
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param.nStartPortNumber);
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in_port_index = param.nStartPortNumber + 0;
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out_port_index = param.nStartPortNumber + 1;
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}
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}
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self->dec_in_port = gst_omx_component_add_port (self->dec, in_port_index);
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self->dec_out_port = gst_omx_component_add_port (self->dec, out_port_index);
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if (!self->dec_in_port || !self->dec_out_port)
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return FALSE;
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GST_DEBUG_OBJECT (self, "Opened decoder");
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return TRUE;
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}
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static gboolean
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gst_omx_video_dec_shutdown (GstOMXVideoDec * self)
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{
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OMX_STATETYPE state;
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GST_DEBUG_OBJECT (self, "Shutting down decoder");
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state = gst_omx_component_get_state (self->dec, 0);
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if (state > OMX_StateLoaded || state == OMX_StateInvalid) {
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if (state > OMX_StateIdle) {
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gst_omx_component_set_state (self->dec, OMX_StateIdle);
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gst_omx_component_get_state (self->dec, 5 * GST_SECOND);
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}
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gst_omx_component_set_state (self->dec, OMX_StateLoaded);
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gst_omx_port_deallocate_buffers (self->dec_in_port);
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gst_omx_port_deallocate_buffers (self->dec_out_port);
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if (state > OMX_StateLoaded)
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gst_omx_component_get_state (self->dec, 5 * GST_SECOND);
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}
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return TRUE;
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}
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static gboolean
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gst_omx_video_dec_close (GstVideoDecoder * decoder)
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{
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GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (decoder);
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GST_DEBUG_OBJECT (self, "Closing decoder");
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if (!gst_omx_video_dec_shutdown (self))
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return FALSE;
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self->dec_in_port = NULL;
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self->dec_out_port = NULL;
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if (self->dec)
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gst_omx_component_free (self->dec);
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self->dec = NULL;
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self->started = FALSE;
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GST_DEBUG_OBJECT (self, "Closed decoder");
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return TRUE;
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}
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static void
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gst_omx_video_dec_finalize (GObject * object)
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{
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GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (object);
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g_mutex_clear (&self->drain_lock);
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g_cond_clear (&self->drain_cond);
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G_OBJECT_CLASS (gst_omx_video_dec_parent_class)->finalize (object);
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}
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static GstStateChangeReturn
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gst_omx_video_dec_change_state (GstElement * element, GstStateChange transition)
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{
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GstOMXVideoDec *self;
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GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
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g_return_val_if_fail (GST_IS_OMX_VIDEO_DEC (element),
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GST_STATE_CHANGE_FAILURE);
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self = GST_OMX_VIDEO_DEC (element);
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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if (self->dec_in_port)
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gst_omx_port_set_flushing (self->dec_in_port, FALSE);
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if (self->dec_out_port)
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gst_omx_port_set_flushing (self->dec_out_port, FALSE);
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self->downstream_flow_ret = GST_FLOW_OK;
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self->draining = FALSE;
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self->started = FALSE;
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break;
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case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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if (self->dec_in_port)
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gst_omx_port_set_flushing (self->dec_in_port, TRUE);
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if (self->dec_out_port)
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gst_omx_port_set_flushing (self->dec_out_port, TRUE);
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g_mutex_lock (&self->drain_lock);
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self->draining = FALSE;
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g_cond_broadcast (&self->drain_cond);
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g_mutex_unlock (&self->drain_lock);
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break;
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default:
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break;
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}
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if (ret == GST_STATE_CHANGE_FAILURE)
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return ret;
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ret =
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GST_ELEMENT_CLASS (gst_omx_video_dec_parent_class)->change_state
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(element, transition);
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if (ret == GST_STATE_CHANGE_FAILURE)
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return ret;
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switch (transition) {
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case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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self->downstream_flow_ret = GST_FLOW_FLUSHING;
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self->started = FALSE;
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if (!gst_omx_video_dec_shutdown (self))
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ret = GST_STATE_CHANGE_FAILURE;
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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break;
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default:
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break;
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}
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return ret;
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}
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#define MAX_FRAME_DIST_TICKS (5 * OMX_TICKS_PER_SECOND)
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#define MAX_FRAME_DIST_FRAMES (100)
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static GstVideoCodecFrame *
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_find_nearest_frame (GstOMXVideoDec * self, GstOMXBuffer * buf)
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{
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GList *l, *best_l = NULL;
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GList *finish_frames = NULL;
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GstVideoCodecFrame *best = NULL;
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guint64 best_timestamp = 0;
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guint64 best_diff = G_MAXUINT64;
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BufferIdentification *best_id = NULL;
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GList *frames;
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frames = gst_video_decoder_get_frames (GST_VIDEO_DECODER (self));
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for (l = frames; l; l = l->next) {
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GstVideoCodecFrame *tmp = l->data;
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BufferIdentification *id = gst_video_codec_frame_get_user_data (tmp);
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guint64 timestamp, diff;
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/* This happens for frames that were just added but
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* which were not passed to the component yet. Ignore
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* them here!
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*/
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if (!id)
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continue;
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timestamp = id->timestamp;
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if (timestamp > buf->omx_buf->nTimeStamp)
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diff = timestamp - buf->omx_buf->nTimeStamp;
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else
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diff = buf->omx_buf->nTimeStamp - timestamp;
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if (best == NULL || diff < best_diff) {
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best = tmp;
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best_timestamp = timestamp;
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best_diff = diff;
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best_l = l;
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best_id = id;
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/* For frames without timestamp we simply take the first frame */
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if ((buf->omx_buf->nTimeStamp == 0 && timestamp == 0) || diff == 0)
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break;
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}
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}
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if (best_id) {
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for (l = frames; l && l != best_l; l = l->next) {
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GstVideoCodecFrame *tmp = l->data;
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BufferIdentification *id = gst_video_codec_frame_get_user_data (tmp);
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guint64 diff_ticks, diff_frames;
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/* This happens for frames that were just added but
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* which were not passed to the component yet. Ignore
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* them here!
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*/
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if (!id)
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continue;
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if (id->timestamp > best_timestamp)
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break;
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if (id->timestamp == 0 || best_timestamp == 0)
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diff_ticks = 0;
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else
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diff_ticks = best_timestamp - id->timestamp;
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diff_frames = best->system_frame_number - tmp->system_frame_number;
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if (diff_ticks > MAX_FRAME_DIST_TICKS
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|| diff_frames > MAX_FRAME_DIST_FRAMES) {
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finish_frames =
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g_list_prepend (finish_frames, gst_video_codec_frame_ref (tmp));
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}
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}
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}
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if (finish_frames) {
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g_warning ("Too old frames, bug in decoder -- please file a bug");
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for (l = finish_frames; l; l = l->next) {
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gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), l->data);
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}
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}
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if (best)
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gst_video_codec_frame_ref (best);
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g_list_foreach (frames, (GFunc) gst_video_codec_frame_unref, NULL);
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g_list_free (frames);
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return best;
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}
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static gboolean
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gst_omx_video_dec_fill_buffer (GstOMXVideoDec * self,
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GstOMXBuffer * inbuf, GstBuffer * outbuf)
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{
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GstVideoCodecState *state =
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gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self));
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GstVideoInfo *vinfo = &state->info;
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OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->dec_out_port->port_def;
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gboolean ret = FALSE;
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GstVideoFrame frame;
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if (vinfo->width != port_def->format.video.nFrameWidth ||
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vinfo->height != port_def->format.video.nFrameHeight) {
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GST_ERROR_OBJECT (self, "Width or height do not match");
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goto done;
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}
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/* Same strides and everything */
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if (gst_buffer_get_size (outbuf) == inbuf->omx_buf->nFilledLen) {
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GstMapInfo map = GST_MAP_INFO_INIT;
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gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
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memcpy (map.data,
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inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset,
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inbuf->omx_buf->nFilledLen);
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gst_buffer_unmap (outbuf, &map);
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ret = TRUE;
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goto done;
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}
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/* Different strides */
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switch (vinfo->finfo->format) {
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case GST_VIDEO_FORMAT_I420:{
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gint i, j, height, width;
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guint8 *src, *dest;
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gint src_stride, dest_stride;
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gst_video_frame_map (&frame, vinfo, outbuf, GST_MAP_WRITE);
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for (i = 0; i < 3; i++) {
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if (i == 0) {
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src_stride = port_def->format.video.nStride;
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dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, i);
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/* XXX: Try this if no stride was set */
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if (src_stride == 0)
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src_stride = dest_stride;
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} else {
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src_stride = port_def->format.video.nStride / 2;
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dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, i);
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/* XXX: Try this if no stride was set */
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if (src_stride == 0)
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src_stride = dest_stride;
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}
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src = inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset;
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if (i > 0)
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src +=
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port_def->format.video.nSliceHeight *
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port_def->format.video.nStride;
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if (i == 2)
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src +=
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(port_def->format.video.nSliceHeight / 2) *
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(port_def->format.video.nStride / 2);
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dest = GST_VIDEO_FRAME_COMP_DATA (&frame, i);
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height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, i);
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width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, i);
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for (j = 0; j < height; j++) {
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memcpy (dest, src, width);
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|
src += src_stride;
|
|
dest += dest_stride;
|
|
}
|
|
}
|
|
gst_video_frame_unmap (&frame);
|
|
ret = TRUE;
|
|
break;
|
|
}
|
|
case GST_VIDEO_FORMAT_NV12:{
|
|
gint i, j, height, width;
|
|
guint8 *src, *dest;
|
|
gint src_stride, dest_stride;
|
|
|
|
gst_video_frame_map (&frame, vinfo, outbuf, GST_MAP_WRITE);
|
|
for (i = 0; i < 2; i++) {
|
|
if (i == 0) {
|
|
src_stride = port_def->format.video.nStride;
|
|
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, i);
|
|
|
|
/* XXX: Try this if no stride was set */
|
|
if (src_stride == 0)
|
|
src_stride = dest_stride;
|
|
} else {
|
|
src_stride = port_def->format.video.nStride;
|
|
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, i);
|
|
|
|
/* XXX: Try this if no stride was set */
|
|
if (src_stride == 0)
|
|
src_stride = dest_stride;
|
|
}
|
|
|
|
src = inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset;
|
|
if (i == 1)
|
|
src +=
|
|
port_def->format.video.nSliceHeight *
|
|
port_def->format.video.nStride;
|
|
|
|
dest = GST_VIDEO_FRAME_COMP_DATA (&frame, i);
|
|
height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, i);
|
|
width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, i) * (i == 0 ? 1 : 2);
|
|
|
|
for (j = 0; j < height; j++) {
|
|
memcpy (dest, src, width);
|
|
src += src_stride;
|
|
dest += dest_stride;
|
|
}
|
|
}
|
|
gst_video_frame_unmap (&frame);
|
|
ret = TRUE;
|
|
break;
|
|
}
|
|
default:
|
|
GST_ERROR_OBJECT (self, "Unsupported format");
|
|
goto done;
|
|
break;
|
|
}
|
|
|
|
|
|
done:
|
|
if (ret) {
|
|
GST_BUFFER_PTS (outbuf) =
|
|
gst_util_uint64_scale (inbuf->omx_buf->nTimeStamp, GST_SECOND,
|
|
OMX_TICKS_PER_SECOND);
|
|
if (inbuf->omx_buf->nTickCount != 0)
|
|
GST_BUFFER_DURATION (outbuf) =
|
|
gst_util_uint64_scale (inbuf->omx_buf->nTickCount, GST_SECOND,
|
|
OMX_TICKS_PER_SECOND);
|
|
}
|
|
|
|
gst_video_codec_state_unref (state);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_omx_video_dec_loop (GstOMXVideoDec * self)
|
|
{
|
|
GstOMXVideoDecClass *klass;
|
|
GstOMXPort *port = self->dec_out_port;
|
|
GstOMXBuffer *buf = NULL;
|
|
GstVideoCodecFrame *frame;
|
|
GstFlowReturn flow_ret = GST_FLOW_OK;
|
|
GstOMXAcquireBufferReturn acq_return;
|
|
GstClockTimeDiff deadline;
|
|
gboolean is_eos;
|
|
|
|
klass = GST_OMX_VIDEO_DEC_GET_CLASS (self);
|
|
|
|
acq_return = gst_omx_port_acquire_buffer (port, &buf);
|
|
if (acq_return == GST_OMX_ACQUIRE_BUFFER_ERROR) {
|
|
goto component_error;
|
|
} else if (acq_return == GST_OMX_ACQUIRE_BUFFER_FLUSHING) {
|
|
goto flushing;
|
|
} else if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
|
|
if (gst_omx_port_reconfigure (self->dec_out_port) != OMX_ErrorNone)
|
|
goto reconfigure_error;
|
|
/* And restart the loop */
|
|
return;
|
|
}
|
|
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
if (!gst_pad_has_current_caps (GST_VIDEO_DECODER_SRC_PAD (self))
|
|
|| acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURED) {
|
|
GstVideoCodecState *state;
|
|
OMX_PARAM_PORTDEFINITIONTYPE port_def;
|
|
GstVideoFormat format;
|
|
|
|
GST_DEBUG_OBJECT (self, "Port settings have changed, updating caps");
|
|
|
|
gst_omx_port_get_port_definition (port, &port_def);
|
|
g_assert (port_def.format.video.eCompressionFormat ==
|
|
OMX_VIDEO_CodingUnused);
|
|
|
|
switch (port_def.format.video.eColorFormat) {
|
|
case OMX_COLOR_FormatYUV420Planar:
|
|
case OMX_COLOR_FormatYUV420PackedPlanar:
|
|
GST_DEBUG_OBJECT (self, "Output is I420 (%d)",
|
|
port_def.format.video.eColorFormat);
|
|
format = GST_VIDEO_FORMAT_I420;
|
|
break;
|
|
case OMX_COLOR_FormatYUV420SemiPlanar:
|
|
GST_DEBUG_OBJECT (self, "Output is NV12 (%d)",
|
|
port_def.format.video.eColorFormat);
|
|
format = GST_VIDEO_FORMAT_NV12;
|
|
break;
|
|
default:
|
|
GST_ERROR_OBJECT (self, "Unsupported color format: %d",
|
|
port_def.format.video.eColorFormat);
|
|
if (buf)
|
|
gst_omx_port_release_buffer (self->dec_out_port, buf);
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
goto caps_failed;
|
|
break;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (self,
|
|
"Setting output state: format %s, width %d, height %d",
|
|
gst_video_format_to_string (format),
|
|
port_def.format.video.nFrameWidth, port_def.format.video.nFrameHeight);
|
|
|
|
state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self),
|
|
format, port_def.format.video.nFrameWidth,
|
|
port_def.format.video.nFrameHeight, self->input_state);
|
|
|
|
/* Take framerate and pixel-aspect-ratio from sinkpad caps */
|
|
|
|
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
|
|
if (buf)
|
|
gst_omx_port_release_buffer (self->dec_out_port, buf);
|
|
gst_video_codec_state_unref (state);
|
|
goto caps_failed;
|
|
}
|
|
|
|
gst_video_codec_state_unref (state);
|
|
|
|
/* Now get a buffer */
|
|
if (acq_return != GST_OMX_ACQUIRE_BUFFER_OK) {
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
return;
|
|
}
|
|
}
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
|
|
g_assert (acq_return == GST_OMX_ACQUIRE_BUFFER_OK);
|
|
|
|
/* This prevents a deadlock between the srcpad stream
|
|
* lock and the videocodec stream lock, if ::reset()
|
|
* is called at the wrong time
|
|
*/
|
|
if (gst_omx_port_is_flushing (self->dec_out_port)) {
|
|
GST_DEBUG_OBJECT (self, "Flushing");
|
|
gst_omx_port_release_buffer (self->dec_out_port, buf);
|
|
goto flushing;
|
|
}
|
|
|
|
if (buf) {
|
|
GST_DEBUG_OBJECT (self, "Handling buffer: 0x%08x %lu",
|
|
buf->omx_buf->nFlags, buf->omx_buf->nTimeStamp);
|
|
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
frame = _find_nearest_frame (self, buf);
|
|
|
|
is_eos = ! !(buf->omx_buf->nFlags & OMX_BUFFERFLAG_EOS);
|
|
|
|
if (frame
|
|
&& (deadline = gst_video_decoder_get_max_decode_time
|
|
(GST_VIDEO_DECODER (self), frame)) < 0) {
|
|
GST_WARNING_OBJECT (self,
|
|
"Frame is too late, dropping (deadline %" GST_TIME_FORMAT ")",
|
|
GST_TIME_ARGS (-deadline));
|
|
flow_ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
|
|
frame = NULL;
|
|
} else if (!frame && buf->omx_buf->nFilledLen > 0) {
|
|
GstBuffer *outbuf;
|
|
|
|
/* This sometimes happens at EOS or if the input is not properly framed,
|
|
* let's handle it gracefully by allocating a new buffer for the current
|
|
* caps and filling it
|
|
*/
|
|
|
|
GST_ERROR_OBJECT (self, "No corresponding frame found");
|
|
|
|
outbuf =
|
|
gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self));
|
|
|
|
if (!gst_omx_video_dec_fill_buffer (self, buf, outbuf)) {
|
|
gst_buffer_unref (outbuf);
|
|
gst_omx_port_release_buffer (self->dec_out_port, buf);
|
|
goto invalid_buffer;
|
|
}
|
|
|
|
flow_ret = gst_pad_push (GST_VIDEO_DECODER_SRC_PAD (self), outbuf);
|
|
} else if (buf->omx_buf->nFilledLen > 0) {
|
|
if ((flow_ret =
|
|
gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER
|
|
(self), frame)) == GST_FLOW_OK) {
|
|
/* FIXME: This currently happens because of a race condition too.
|
|
* We first need to reconfigure the output port and then the input
|
|
* port if both need reconfiguration.
|
|
*/
|
|
if (!gst_omx_video_dec_fill_buffer (self, buf, frame->output_buffer)) {
|
|
gst_buffer_replace (&frame->output_buffer, NULL);
|
|
flow_ret =
|
|
gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
|
|
frame = NULL;
|
|
gst_omx_port_release_buffer (self->dec_out_port, buf);
|
|
goto invalid_buffer;
|
|
}
|
|
flow_ret =
|
|
gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
|
|
frame = NULL;
|
|
}
|
|
} else if (frame != NULL) {
|
|
flow_ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
|
|
frame = NULL;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (self, "Read frame from component");
|
|
|
|
if (is_eos || flow_ret == GST_FLOW_EOS) {
|
|
g_mutex_lock (&self->drain_lock);
|
|
if (self->draining) {
|
|
GST_DEBUG_OBJECT (self, "Drained");
|
|
self->draining = FALSE;
|
|
g_cond_broadcast (&self->drain_cond);
|
|
} else if (flow_ret == GST_FLOW_OK) {
|
|
GST_DEBUG_OBJECT (self, "Component signalled EOS");
|
|
flow_ret = GST_FLOW_EOS;
|
|
}
|
|
g_mutex_unlock (&self->drain_lock);
|
|
} else {
|
|
GST_DEBUG_OBJECT (self, "Finished frame: %s",
|
|
gst_flow_get_name (flow_ret));
|
|
}
|
|
|
|
gst_omx_port_release_buffer (port, buf);
|
|
|
|
self->downstream_flow_ret = flow_ret;
|
|
} else {
|
|
g_assert ((klass->cdata.hacks & GST_OMX_HACK_NO_EMPTY_EOS_BUFFER));
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
flow_ret = GST_FLOW_EOS;
|
|
}
|
|
|
|
if (flow_ret != GST_FLOW_OK)
|
|
goto flow_error;
|
|
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
|
|
return;
|
|
|
|
component_error:
|
|
{
|
|
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
|
|
("OpenMAX component in error state %s (0x%08x)",
|
|
gst_omx_component_get_last_error_string (self->dec),
|
|
gst_omx_component_get_last_error (self->dec)));
|
|
gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ());
|
|
gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
self->downstream_flow_ret = GST_FLOW_ERROR;
|
|
self->started = FALSE;
|
|
return;
|
|
}
|
|
|
|
flushing:
|
|
{
|
|
GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
|
|
gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
self->downstream_flow_ret = GST_FLOW_FLUSHING;
|
|
self->started = FALSE;
|
|
return;
|
|
}
|
|
|
|
flow_error:
|
|
{
|
|
if (flow_ret == GST_FLOW_EOS) {
|
|
GST_DEBUG_OBJECT (self, "EOS");
|
|
|
|
gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self),
|
|
gst_event_new_eos ());
|
|
gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
} else if (flow_ret == GST_FLOW_NOT_LINKED || flow_ret < GST_FLOW_EOS) {
|
|
GST_ELEMENT_ERROR (self, STREAM, FAILED,
|
|
("Internal data stream error."), ("stream stopped, reason %s",
|
|
gst_flow_get_name (flow_ret)));
|
|
|
|
gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self),
|
|
gst_event_new_eos ());
|
|
gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
}
|
|
self->started = FALSE;
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
return;
|
|
}
|
|
|
|
reconfigure_error:
|
|
{
|
|
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
|
|
("Unable to reconfigure output port"));
|
|
gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ());
|
|
gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
self->downstream_flow_ret = GST_FLOW_ERROR;
|
|
self->started = FALSE;
|
|
return;
|
|
}
|
|
|
|
invalid_buffer:
|
|
{
|
|
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
|
|
("Invalid sized input buffer"));
|
|
gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ());
|
|
gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED;
|
|
self->started = FALSE;
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
return;
|
|
}
|
|
|
|
caps_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to set caps"));
|
|
gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ());
|
|
gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED;
|
|
self->started = FALSE;
|
|
return;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_omx_video_dec_start (GstVideoDecoder * decoder)
|
|
{
|
|
GstOMXVideoDec *self;
|
|
|
|
self = GST_OMX_VIDEO_DEC (decoder);
|
|
|
|
self->last_upstream_ts = 0;
|
|
self->eos = FALSE;
|
|
self->downstream_flow_ret = GST_FLOW_OK;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_omx_video_dec_stop (GstVideoDecoder * decoder)
|
|
{
|
|
GstOMXVideoDec *self;
|
|
|
|
self = GST_OMX_VIDEO_DEC (decoder);
|
|
|
|
GST_DEBUG_OBJECT (self, "Stopping decoder");
|
|
|
|
gst_omx_port_set_flushing (self->dec_in_port, TRUE);
|
|
gst_omx_port_set_flushing (self->dec_out_port, TRUE);
|
|
|
|
gst_pad_stop_task (GST_VIDEO_DECODER_SRC_PAD (decoder));
|
|
|
|
if (gst_omx_component_get_state (self->dec, 0) > OMX_StateIdle)
|
|
gst_omx_component_set_state (self->dec, OMX_StateIdle);
|
|
|
|
self->downstream_flow_ret = GST_FLOW_FLUSHING;
|
|
self->started = FALSE;
|
|
self->eos = FALSE;
|
|
|
|
g_mutex_lock (&self->drain_lock);
|
|
self->draining = FALSE;
|
|
g_cond_broadcast (&self->drain_cond);
|
|
g_mutex_unlock (&self->drain_lock);
|
|
|
|
gst_omx_component_get_state (self->dec, 5 * GST_SECOND);
|
|
|
|
gst_buffer_replace (&self->codec_data, NULL);
|
|
|
|
if (self->input_state)
|
|
gst_video_codec_state_unref (self->input_state);
|
|
self->input_state = NULL;
|
|
|
|
GST_DEBUG_OBJECT (self, "Stopped decoder");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
GstVideoFormat format;
|
|
OMX_COLOR_FORMATTYPE type;
|
|
} VideoNegotiationMap;
|
|
|
|
static void
|
|
video_negotiation_map_free (VideoNegotiationMap * m)
|
|
{
|
|
g_slice_free (VideoNegotiationMap, m);
|
|
}
|
|
|
|
static GList *
|
|
gst_omx_video_dec_get_supported_colorformats (GstOMXVideoDec * self)
|
|
{
|
|
GstOMXPort *port = self->dec_out_port;
|
|
GstVideoCodecState *state = self->input_state;
|
|
GstVideoInfo *info = &state->info;
|
|
OMX_VIDEO_PARAM_PORTFORMATTYPE param;
|
|
OMX_ERRORTYPE err;
|
|
GList *negotiation_map = NULL;
|
|
gint old_index;
|
|
|
|
GST_OMX_INIT_STRUCT (¶m);
|
|
param.nPortIndex = port->index;
|
|
param.nIndex = 0;
|
|
if (info->fps_n == 0)
|
|
param.xFramerate = 0;
|
|
else
|
|
param.xFramerate = (info->fps_n << 16) / (info->fps_d);
|
|
|
|
old_index = -1;
|
|
do {
|
|
VideoNegotiationMap *m;
|
|
|
|
err =
|
|
gst_omx_component_get_parameter (self->dec,
|
|
OMX_IndexParamVideoPortFormat, ¶m);
|
|
|
|
/* FIXME: Workaround for Bellagio that simply always
|
|
* returns the same value regardless of nIndex and
|
|
* never returns OMX_ErrorNoMore
|
|
*/
|
|
if (old_index == param.nIndex)
|
|
break;
|
|
|
|
if (err == OMX_ErrorNone || err == OMX_ErrorNoMore) {
|
|
switch (param.eColorFormat) {
|
|
case OMX_COLOR_FormatYUV420Planar:
|
|
case OMX_COLOR_FormatYUV420PackedPlanar:
|
|
m = g_slice_new (VideoNegotiationMap);
|
|
m->format = GST_VIDEO_FORMAT_I420;
|
|
m->type = param.eColorFormat;
|
|
negotiation_map = g_list_append (negotiation_map, m);
|
|
GST_DEBUG_OBJECT (self, "Component supports I420 (%d) at index %d",
|
|
param.eColorFormat, param.nIndex);
|
|
break;
|
|
case OMX_COLOR_FormatYUV420SemiPlanar:
|
|
m = g_slice_new (VideoNegotiationMap);
|
|
m->format = GST_VIDEO_FORMAT_NV12;
|
|
m->type = param.eColorFormat;
|
|
negotiation_map = g_list_append (negotiation_map, m);
|
|
GST_DEBUG_OBJECT (self, "Component supports NV12 (%d) at index %d",
|
|
param.eColorFormat, param.nIndex);
|
|
break;
|
|
default:
|
|
GST_DEBUG_OBJECT (self,
|
|
"Component supports unsupported color format %d at index %d",
|
|
param.eColorFormat, param.nIndex);
|
|
break;
|
|
}
|
|
}
|
|
old_index = param.nIndex++;
|
|
} while (err == OMX_ErrorNone);
|
|
|
|
return negotiation_map;
|
|
}
|
|
|
|
static gboolean
|
|
gst_omx_video_dec_negotiate (GstOMXVideoDec * self)
|
|
{
|
|
OMX_VIDEO_PARAM_PORTFORMATTYPE param;
|
|
OMX_ERRORTYPE err;
|
|
GstCaps *comp_supported_caps;
|
|
GList *negotiation_map = NULL, *l;
|
|
GstCaps *intersection;
|
|
GstVideoFormat format;
|
|
GstStructure *s;
|
|
const gchar *format_str;
|
|
|
|
GST_DEBUG_OBJECT (self, "Trying to negotiate a video format with downstream");
|
|
|
|
intersection = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
|
|
GST_DEBUG_OBJECT (self, "Allowed downstream caps: %" GST_PTR_FORMAT,
|
|
intersection);
|
|
|
|
negotiation_map = gst_omx_video_dec_get_supported_colorformats (self);
|
|
comp_supported_caps = gst_caps_new_empty ();
|
|
for (l = negotiation_map; l; l = l->next) {
|
|
VideoNegotiationMap *map = l->data;
|
|
|
|
gst_caps_append_structure (comp_supported_caps,
|
|
gst_structure_new ("video/x-raw",
|
|
"format", G_TYPE_STRING,
|
|
gst_video_format_to_string (map->format), NULL));
|
|
}
|
|
|
|
if (!gst_caps_is_empty (comp_supported_caps)) {
|
|
GstCaps *tmp;
|
|
|
|
tmp = gst_caps_intersect (comp_supported_caps, intersection);
|
|
gst_caps_unref (intersection);
|
|
intersection = tmp;
|
|
}
|
|
gst_caps_unref (comp_supported_caps);
|
|
|
|
if (gst_caps_is_empty (intersection)) {
|
|
gst_caps_unref (intersection);
|
|
GST_ERROR_OBJECT (self, "Empty caps");
|
|
g_list_free_full (negotiation_map,
|
|
(GDestroyNotify) video_negotiation_map_free);
|
|
return FALSE;
|
|
}
|
|
|
|
intersection = gst_caps_truncate (intersection);
|
|
intersection = gst_caps_fixate (intersection);
|
|
|
|
s = gst_caps_get_structure (intersection, 0);
|
|
format_str = gst_structure_get_string (s, "format");
|
|
if (!format_str ||
|
|
(format =
|
|
gst_video_format_from_string (format_str)) ==
|
|
GST_VIDEO_FORMAT_UNKNOWN) {
|
|
GST_ERROR_OBJECT (self, "Invalid caps: %" GST_PTR_FORMAT, intersection);
|
|
g_list_free_full (negotiation_map,
|
|
(GDestroyNotify) video_negotiation_map_free);
|
|
return FALSE;
|
|
}
|
|
|
|
for (l = negotiation_map; l; l = l->next) {
|
|
VideoNegotiationMap *m = l->data;
|
|
|
|
if (m->format == format) {
|
|
param.eColorFormat = m->type;
|
|
break;
|
|
}
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (self, "Negotiating color format %s (%d)", format_str,
|
|
param.eColorFormat);
|
|
|
|
/* We must find something here */
|
|
g_assert (l != NULL);
|
|
g_list_free_full (negotiation_map,
|
|
(GDestroyNotify) video_negotiation_map_free);
|
|
|
|
/* Reset framerate, we only care about the color format here */
|
|
param.xFramerate = 0;
|
|
|
|
err =
|
|
gst_omx_component_set_parameter (self->dec,
|
|
OMX_IndexParamVideoPortFormat, ¶m);
|
|
if (err != OMX_ErrorNone) {
|
|
GST_ERROR_OBJECT (self, "Failed to set video port format: %s (0x%08x)",
|
|
gst_omx_error_to_string (err), err);
|
|
}
|
|
|
|
return (err == OMX_ErrorNone);
|
|
}
|
|
|
|
static gboolean
|
|
gst_omx_video_dec_set_format (GstVideoDecoder * decoder,
|
|
GstVideoCodecState * state)
|
|
{
|
|
GstOMXVideoDec *self;
|
|
GstOMXVideoDecClass *klass;
|
|
GstVideoInfo *info = &state->info;
|
|
gboolean is_format_change = FALSE;
|
|
gboolean needs_disable = FALSE;
|
|
OMX_PARAM_PORTDEFINITIONTYPE port_def;
|
|
|
|
self = GST_OMX_VIDEO_DEC (decoder);
|
|
klass = GST_OMX_VIDEO_DEC_GET_CLASS (decoder);
|
|
|
|
GST_DEBUG_OBJECT (self, "Setting new caps %" GST_PTR_FORMAT, state->caps);
|
|
|
|
gst_omx_port_get_port_definition (self->dec_in_port, &port_def);
|
|
|
|
/* Check if the caps change is a real format change or if only irrelevant
|
|
* parts of the caps have changed or nothing at all.
|
|
*/
|
|
is_format_change |= port_def.format.video.nFrameWidth != info->width;
|
|
is_format_change |= port_def.format.video.nFrameHeight != info->height;
|
|
is_format_change |= (port_def.format.video.xFramerate == 0
|
|
&& info->fps_n != 0)
|
|
|| (port_def.format.video.xFramerate !=
|
|
(info->fps_n << 16) / (info->fps_d));
|
|
is_format_change |= (self->codec_data != state->codec_data);
|
|
if (klass->is_format_change)
|
|
is_format_change |=
|
|
klass->is_format_change (self, self->dec_in_port, state);
|
|
|
|
needs_disable =
|
|
gst_omx_component_get_state (self->dec,
|
|
GST_CLOCK_TIME_NONE) != OMX_StateLoaded;
|
|
/* If the component is not in Loaded state and a real format change happens
|
|
* we have to disable the port and re-allocate all buffers. If no real
|
|
* format change happened we can just exit here.
|
|
*/
|
|
if (needs_disable && !is_format_change) {
|
|
GST_DEBUG_OBJECT (self,
|
|
"Already running and caps did not change the format");
|
|
if (self->input_state)
|
|
gst_video_codec_state_unref (self->input_state);
|
|
self->input_state = gst_video_codec_state_ref (state);
|
|
return TRUE;
|
|
}
|
|
|
|
if (needs_disable && is_format_change) {
|
|
GST_DEBUG_OBJECT (self, "Need to disable and drain decoder");
|
|
|
|
gst_omx_video_dec_drain (self, FALSE);
|
|
|
|
if (klass->cdata.hacks & GST_OMX_HACK_NO_COMPONENT_RECONFIGURE) {
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
gst_omx_video_dec_stop (GST_VIDEO_DECODER (self));
|
|
gst_omx_video_dec_close (GST_VIDEO_DECODER (self));
|
|
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
|
|
if (!gst_omx_video_dec_open (GST_VIDEO_DECODER (self)))
|
|
return FALSE;
|
|
needs_disable = FALSE;
|
|
} else {
|
|
if (gst_omx_port_manual_reconfigure (self->dec_in_port,
|
|
TRUE) != OMX_ErrorNone)
|
|
return FALSE;
|
|
|
|
if (gst_omx_port_set_enabled (self->dec_in_port, FALSE) != OMX_ErrorNone)
|
|
return FALSE;
|
|
if (gst_omx_port_wait_buffers_released (self->dec_in_port,
|
|
5 * GST_SECOND) != OMX_ErrorNone)
|
|
return FALSE;
|
|
if (gst_omx_port_deallocate_buffers (self->dec_in_port) != OMX_ErrorNone)
|
|
return FALSE;
|
|
if (gst_omx_port_wait_enabled (self->dec_in_port,
|
|
1 * GST_SECOND) != OMX_ErrorNone)
|
|
return FALSE;
|
|
}
|
|
if (self->input_state)
|
|
gst_video_codec_state_unref (self->input_state);
|
|
self->input_state = NULL;
|
|
|
|
GST_DEBUG_OBJECT (self, "Decoder drained and disabled");
|
|
}
|
|
|
|
port_def.format.video.nFrameWidth = info->width;
|
|
port_def.format.video.nFrameHeight = info->height;
|
|
if (info->fps_n == 0)
|
|
port_def.format.video.xFramerate = 0;
|
|
else
|
|
port_def.format.video.xFramerate = (info->fps_n << 16) / (info->fps_d);
|
|
|
|
GST_DEBUG_OBJECT (self, "Setting inport port definition");
|
|
|
|
if (!gst_omx_port_update_port_definition (self->dec_in_port, &port_def))
|
|
return FALSE;
|
|
|
|
GST_DEBUG_OBJECT (self, "Setting outport port definition");
|
|
if (!gst_omx_port_update_port_definition (self->dec_out_port, NULL))
|
|
return FALSE;
|
|
|
|
if (klass->set_format) {
|
|
if (!klass->set_format (self, self->dec_in_port, state)) {
|
|
GST_ERROR_OBJECT (self, "Subclass failed to set the new format");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
gst_buffer_replace (&self->codec_data, state->codec_data);
|
|
self->input_state = gst_video_codec_state_ref (state);
|
|
|
|
if (!gst_omx_video_dec_negotiate (self)) {
|
|
GST_LOG_OBJECT (self, "Negotiation failed, will get output format later");
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (self, "Enabling component");
|
|
|
|
if (needs_disable) {
|
|
if (gst_omx_port_set_enabled (self->dec_in_port, TRUE) != OMX_ErrorNone)
|
|
return FALSE;
|
|
if (gst_omx_port_allocate_buffers (self->dec_in_port) != OMX_ErrorNone)
|
|
return FALSE;
|
|
if (gst_omx_port_wait_enabled (self->dec_in_port,
|
|
5 * GST_SECOND) != OMX_ErrorNone)
|
|
return FALSE;
|
|
if (gst_omx_port_manual_reconfigure (self->dec_in_port,
|
|
FALSE) != OMX_ErrorNone)
|
|
return FALSE;
|
|
} else {
|
|
if (gst_omx_component_set_state (self->dec, OMX_StateIdle) != OMX_ErrorNone)
|
|
return FALSE;
|
|
|
|
/* Need to allocate buffers to reach Idle state */
|
|
if (gst_omx_port_allocate_buffers (self->dec_in_port) != OMX_ErrorNone)
|
|
return FALSE;
|
|
if (gst_omx_port_allocate_buffers (self->dec_out_port) != OMX_ErrorNone)
|
|
return FALSE;
|
|
|
|
if (gst_omx_component_get_state (self->dec,
|
|
GST_CLOCK_TIME_NONE) != OMX_StateIdle)
|
|
return FALSE;
|
|
|
|
if (gst_omx_component_set_state (self->dec,
|
|
OMX_StateExecuting) != OMX_ErrorNone)
|
|
return FALSE;
|
|
|
|
if (gst_omx_component_get_state (self->dec,
|
|
GST_CLOCK_TIME_NONE) != OMX_StateExecuting)
|
|
return FALSE;
|
|
}
|
|
|
|
/* Unset flushing to allow ports to accept data again */
|
|
gst_omx_port_set_flushing (self->dec_in_port, FALSE);
|
|
gst_omx_port_set_flushing (self->dec_out_port, FALSE);
|
|
|
|
if (gst_omx_component_get_last_error (self->dec) != OMX_ErrorNone) {
|
|
GST_ERROR_OBJECT (self, "Component in error state: %s (0x%08x)",
|
|
gst_omx_component_get_last_error_string (self->dec),
|
|
gst_omx_component_get_last_error (self->dec));
|
|
return FALSE;
|
|
}
|
|
|
|
/* Start the srcpad loop again */
|
|
GST_DEBUG_OBJECT (self, "Starting task again");
|
|
|
|
self->downstream_flow_ret = GST_FLOW_OK;
|
|
gst_pad_start_task (GST_VIDEO_DECODER_SRC_PAD (self),
|
|
(GstTaskFunction) gst_omx_video_dec_loop, decoder, NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_omx_video_dec_reset (GstVideoDecoder * decoder, gboolean hard)
|
|
{
|
|
GstOMXVideoDec *self;
|
|
|
|
self = GST_OMX_VIDEO_DEC (decoder);
|
|
|
|
/* FIXME: Handle different values of hard */
|
|
|
|
GST_DEBUG_OBJECT (self, "Resetting decoder");
|
|
|
|
gst_omx_port_set_flushing (self->dec_in_port, TRUE);
|
|
gst_omx_port_set_flushing (self->dec_out_port, TRUE);
|
|
|
|
/* Wait until the srcpad loop is finished,
|
|
* unlock GST_VIDEO_DECODER_STREAM_LOCK to prevent deadlocks
|
|
* caused by using this lock from inside the loop function */
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
GST_PAD_STREAM_LOCK (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
GST_PAD_STREAM_UNLOCK (GST_VIDEO_DECODER_SRC_PAD (self));
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
|
|
gst_omx_port_set_flushing (self->dec_in_port, FALSE);
|
|
gst_omx_port_set_flushing (self->dec_out_port, FALSE);
|
|
|
|
/* Start the srcpad loop again */
|
|
self->last_upstream_ts = 0;
|
|
self->eos = FALSE;
|
|
self->downstream_flow_ret = GST_FLOW_OK;
|
|
gst_pad_start_task (GST_VIDEO_DECODER_SRC_PAD (self),
|
|
(GstTaskFunction) gst_omx_video_dec_loop, decoder, NULL);
|
|
|
|
GST_DEBUG_OBJECT (self, "Reset decoder");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_omx_video_dec_handle_frame (GstVideoDecoder * decoder,
|
|
GstVideoCodecFrame * frame)
|
|
{
|
|
GstOMXAcquireBufferReturn acq_ret = GST_OMX_ACQUIRE_BUFFER_ERROR;
|
|
GstOMXVideoDec *self;
|
|
GstOMXVideoDecClass *klass;
|
|
GstOMXBuffer *buf;
|
|
GstBuffer *codec_data = NULL;
|
|
guint offset = 0, size;
|
|
GstClockTime timestamp, duration, timestamp_offset = 0;
|
|
|
|
self = GST_OMX_VIDEO_DEC (decoder);
|
|
klass = GST_OMX_VIDEO_DEC_GET_CLASS (self);
|
|
|
|
GST_DEBUG_OBJECT (self, "Handling frame");
|
|
|
|
if (self->eos) {
|
|
GST_WARNING_OBJECT (self, "Got frame after EOS");
|
|
gst_video_codec_frame_unref (frame);
|
|
return GST_FLOW_EOS;
|
|
}
|
|
|
|
timestamp = frame->pts;
|
|
duration = frame->duration;
|
|
|
|
if (self->downstream_flow_ret != GST_FLOW_OK) {
|
|
gst_video_codec_frame_unref (frame);
|
|
return self->downstream_flow_ret;
|
|
}
|
|
|
|
if (klass->prepare_frame) {
|
|
GstFlowReturn ret;
|
|
|
|
ret = klass->prepare_frame (self, frame);
|
|
if (ret != GST_FLOW_OK) {
|
|
GST_ERROR_OBJECT (self, "Preparing frame failed: %s",
|
|
gst_flow_get_name (ret));
|
|
gst_video_codec_frame_unref (frame);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
size = gst_buffer_get_size (frame->input_buffer);
|
|
while (offset < size) {
|
|
/* Make sure to release the base class stream lock, otherwise
|
|
* _loop() can't call _finish_frame() and we might block forever
|
|
* because no input buffers are released */
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
acq_ret = gst_omx_port_acquire_buffer (self->dec_in_port, &buf);
|
|
|
|
if (acq_ret == GST_OMX_ACQUIRE_BUFFER_ERROR) {
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
goto component_error;
|
|
} else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_FLUSHING) {
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
goto flushing;
|
|
} else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
|
|
if (gst_omx_port_reconfigure (self->dec_in_port) != OMX_ErrorNone) {
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
goto reconfigure_error;
|
|
}
|
|
|
|
/* Now get a new buffer and fill it */
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
continue;
|
|
} else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_RECONFIGURED) {
|
|
/* TODO: Anything to do here? Don't think so */
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
continue;
|
|
}
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
|
|
g_assert (acq_ret == GST_OMX_ACQUIRE_BUFFER_OK && buf != NULL);
|
|
|
|
if (buf->omx_buf->nAllocLen - buf->omx_buf->nOffset <= 0) {
|
|
gst_omx_port_release_buffer (self->dec_in_port, buf);
|
|
goto full_buffer;
|
|
}
|
|
|
|
if (self->downstream_flow_ret != GST_FLOW_OK) {
|
|
gst_omx_port_release_buffer (self->dec_in_port, buf);
|
|
goto flow_error;
|
|
}
|
|
|
|
if (self->codec_data) {
|
|
GST_DEBUG_OBJECT (self, "Passing codec data to the component");
|
|
|
|
codec_data = self->codec_data;
|
|
|
|
if (buf->omx_buf->nAllocLen - buf->omx_buf->nOffset <
|
|
gst_buffer_get_size (codec_data)) {
|
|
gst_omx_port_release_buffer (self->dec_in_port, buf);
|
|
goto too_large_codec_data;
|
|
}
|
|
|
|
buf->omx_buf->nFlags |= OMX_BUFFERFLAG_CODECCONFIG;
|
|
buf->omx_buf->nFilledLen = gst_buffer_get_size (codec_data);;
|
|
gst_buffer_extract (codec_data, 0,
|
|
buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
|
|
buf->omx_buf->nFilledLen);
|
|
|
|
self->started = TRUE;
|
|
gst_omx_port_release_buffer (self->dec_in_port, buf);
|
|
gst_buffer_replace (&self->codec_data, NULL);
|
|
/* Acquire new buffer for the actual frame */
|
|
continue;
|
|
}
|
|
|
|
/* Now handle the frame */
|
|
GST_DEBUG_OBJECT (self, "Passing frame offset %d to the component", offset);
|
|
|
|
/* Copy the buffer content in chunks of size as requested
|
|
* by the port */
|
|
buf->omx_buf->nFilledLen =
|
|
MIN (size - offset, buf->omx_buf->nAllocLen - buf->omx_buf->nOffset);
|
|
gst_buffer_extract (frame->input_buffer, offset,
|
|
buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
|
|
buf->omx_buf->nFilledLen);
|
|
|
|
/* Interpolate timestamps if we're passing the buffer
|
|
* in multiple chunks */
|
|
if (offset != 0 && duration != GST_CLOCK_TIME_NONE) {
|
|
timestamp_offset = gst_util_uint64_scale (offset, duration, size);
|
|
}
|
|
|
|
if (timestamp != GST_CLOCK_TIME_NONE) {
|
|
buf->omx_buf->nTimeStamp =
|
|
gst_util_uint64_scale (timestamp + timestamp_offset,
|
|
OMX_TICKS_PER_SECOND, GST_SECOND);
|
|
self->last_upstream_ts = timestamp + timestamp_offset;
|
|
}
|
|
if (duration != GST_CLOCK_TIME_NONE) {
|
|
buf->omx_buf->nTickCount =
|
|
gst_util_uint64_scale (buf->omx_buf->nFilledLen, duration, size);
|
|
self->last_upstream_ts += duration;
|
|
}
|
|
|
|
if (offset == 0) {
|
|
BufferIdentification *id = g_slice_new0 (BufferIdentification);
|
|
|
|
if (GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT (frame))
|
|
buf->omx_buf->nFlags |= OMX_BUFFERFLAG_SYNCFRAME;
|
|
|
|
id->timestamp = buf->omx_buf->nTimeStamp;
|
|
gst_video_codec_frame_set_user_data (frame, id,
|
|
(GDestroyNotify) buffer_identification_free);
|
|
}
|
|
|
|
/* TODO: Set flags
|
|
* - OMX_BUFFERFLAG_DECODEONLY for buffers that are outside
|
|
* the segment
|
|
* - OMX_BUFFERFLAG_ENDOFFRAME for parsed input
|
|
*/
|
|
|
|
offset += buf->omx_buf->nFilledLen;
|
|
self->started = TRUE;
|
|
gst_omx_port_release_buffer (self->dec_in_port, buf);
|
|
}
|
|
|
|
gst_video_codec_frame_unref (frame);
|
|
|
|
GST_DEBUG_OBJECT (self, "Passed frame to component");
|
|
|
|
return self->downstream_flow_ret;
|
|
|
|
full_buffer:
|
|
{
|
|
gst_video_codec_frame_unref (frame);
|
|
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
|
|
("Got OpenMAX buffer with no free space (%p, %u/%u)", buf,
|
|
buf->omx_buf->nOffset, buf->omx_buf->nAllocLen));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
flow_error:
|
|
{
|
|
gst_video_codec_frame_unref (frame);
|
|
|
|
return self->downstream_flow_ret;
|
|
}
|
|
|
|
too_large_codec_data:
|
|
{
|
|
gst_video_codec_frame_unref (frame);
|
|
GST_ELEMENT_ERROR (self, STREAM, FORMAT, (NULL),
|
|
("codec_data larger than supported by OpenMAX port (%u > %u)",
|
|
gst_buffer_get_size (codec_data),
|
|
self->dec_in_port->port_def.nBufferSize));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
component_error:
|
|
{
|
|
gst_video_codec_frame_unref (frame);
|
|
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
|
|
("OpenMAX component in error state %s (0x%08x)",
|
|
gst_omx_component_get_last_error_string (self->dec),
|
|
gst_omx_component_get_last_error (self->dec)));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
flushing:
|
|
{
|
|
gst_video_codec_frame_unref (frame);
|
|
GST_DEBUG_OBJECT (self, "Flushing -- returning FLUSHING");
|
|
return GST_FLOW_FLUSHING;
|
|
}
|
|
reconfigure_error:
|
|
{
|
|
gst_video_codec_frame_unref (frame);
|
|
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
|
|
("Unable to reconfigure input port"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_omx_video_dec_finish (GstVideoDecoder * decoder)
|
|
{
|
|
GstOMXVideoDec *self;
|
|
|
|
self = GST_OMX_VIDEO_DEC (decoder);
|
|
|
|
return gst_omx_video_dec_drain (self, TRUE);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_omx_video_dec_drain (GstOMXVideoDec * self, gboolean is_eos)
|
|
{
|
|
GstOMXVideoDecClass *klass;
|
|
GstOMXBuffer *buf;
|
|
GstOMXAcquireBufferReturn acq_ret;
|
|
|
|
GST_DEBUG_OBJECT (self, "Draining component");
|
|
|
|
klass = GST_OMX_VIDEO_DEC_GET_CLASS (self);
|
|
|
|
if (!self->started) {
|
|
GST_DEBUG_OBJECT (self, "Component not started yet");
|
|
return GST_FLOW_OK;
|
|
}
|
|
self->started = FALSE;
|
|
|
|
/* Don't send EOS buffer twice, this doesn't work */
|
|
if (self->eos) {
|
|
GST_DEBUG_OBJECT (self, "Component is EOS already");
|
|
return GST_FLOW_OK;
|
|
}
|
|
if (is_eos)
|
|
self->eos = TRUE;
|
|
|
|
if ((klass->cdata.hacks & GST_OMX_HACK_NO_EMPTY_EOS_BUFFER)) {
|
|
GST_WARNING_OBJECT (self, "Component does not support empty EOS buffers");
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
/* Make sure to release the base class stream lock, otherwise
|
|
* _loop() can't call _finish_frame() and we might block forever
|
|
* because no input buffers are released */
|
|
GST_VIDEO_DECODER_STREAM_UNLOCK (self);
|
|
|
|
/* Send an EOS buffer to the component and let the base
|
|
* class drop the EOS event. We will send it later when
|
|
* the EOS buffer arrives on the output port. */
|
|
acq_ret = gst_omx_port_acquire_buffer (self->dec_in_port, &buf);
|
|
if (acq_ret != GST_OMX_ACQUIRE_BUFFER_OK) {
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
GST_ERROR_OBJECT (self, "Failed to acquire buffer for draining: %d",
|
|
acq_ret);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
g_mutex_lock (&self->drain_lock);
|
|
self->draining = TRUE;
|
|
buf->omx_buf->nFilledLen = 0;
|
|
buf->omx_buf->nTimeStamp =
|
|
gst_util_uint64_scale (self->last_upstream_ts, OMX_TICKS_PER_SECOND,
|
|
GST_SECOND);
|
|
buf->omx_buf->nTickCount = 0;
|
|
buf->omx_buf->nFlags |= OMX_BUFFERFLAG_EOS;
|
|
gst_omx_port_release_buffer (self->dec_in_port, buf);
|
|
GST_DEBUG_OBJECT (self, "Waiting until component is drained");
|
|
|
|
if (G_UNLIKELY (self->dec->hacks & GST_OMX_HACK_DRAIN_MAY_NOT_RETURN)) {
|
|
gint64 wait_until = g_get_monotonic_time () + G_TIME_SPAN_SECOND / 2;
|
|
|
|
if (!g_cond_wait_until (&self->drain_cond, &self->drain_lock, wait_until))
|
|
GST_WARNING_OBJECT (self, "Drain timed out");
|
|
else
|
|
GST_DEBUG_OBJECT (self, "Drained component");
|
|
|
|
} else {
|
|
g_cond_wait (&self->drain_cond, &self->drain_lock);
|
|
GST_DEBUG_OBJECT (self, "Drained component");
|
|
}
|
|
|
|
g_mutex_unlock (&self->drain_lock);
|
|
GST_VIDEO_DECODER_STREAM_LOCK (self);
|
|
|
|
self->started = FALSE;
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static gboolean
|
|
gst_omx_video_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query)
|
|
{
|
|
GstBufferPool *pool;
|
|
GstStructure *config;
|
|
|
|
if (!GST_VIDEO_DECODER_CLASS
|
|
(gst_omx_video_dec_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);
|
|
}
|
|
gst_buffer_pool_set_config (pool, config);
|
|
gst_object_unref (pool);
|
|
|
|
return TRUE;
|
|
}
|