mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
8ecc35ecf2
Fix the GstVaapiEncoderClass parent class type. Make sure to validate subclass hooks as early as possible, i.e. in gst_vaapi_encoder_init(), thus avoiding useless run-time checks. Also simplify the subclass initialization process to be less error prone.
526 lines
15 KiB
C
526 lines
15 KiB
C
/*
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* gstvaapiencoder.c - VA encoder abstraction
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*
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* Copyright (C) 2013 Intel Corporation
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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 License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* 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
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "sysdeps.h"
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#include "gstvaapicompat.h"
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#include "gstvaapiencoder.h"
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#include "gstvaapiencoder_priv.h"
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#include "gstvaapicontext.h"
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#include "gstvaapidisplay_priv.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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#define GST_VAAPI_ENCODER_LOCK(encoder) \
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G_STMT_START { \
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g_mutex_lock (&(GST_VAAPI_ENCODER_CAST(encoder))->lock); \
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} G_STMT_END
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#define GST_VAAPI_ENCODER_UNLOCK(encoder) \
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G_STMT_START { \
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g_mutex_unlock (&(GST_VAAPI_ENCODER_CAST(encoder))->lock); \
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} G_STMT_END
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#define GST_VAAPI_ENCODER_BUF_FREE_WAIT(encoder) \
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G_STMT_START { \
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g_cond_wait (&(GST_VAAPI_ENCODER_CAST(encoder))->codedbuf_free, \
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&(GST_VAAPI_ENCODER_CAST(encoder))->lock); \
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} G_STMT_END
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#define GST_VAAPI_ENCODER_BUF_FREE_SIGNAL(encoder) \
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G_STMT_START { \
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g_cond_signal (&(GST_VAAPI_ENCODER_CAST(encoder))->codedbuf_free); \
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} G_STMT_END
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#define GST_VAAPI_ENCODER_FREE_SURFACE_WAIT(encoder) \
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G_STMT_START { \
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g_cond_wait (&(GST_VAAPI_ENCODER_CAST(encoder))->surface_free, \
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&(GST_VAAPI_ENCODER_CAST(encoder))->lock); \
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} G_STMT_END
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#define GST_VAAPI_ENCODER_FREE_SURFACE_SIGNAL(encoder) \
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G_STMT_START { \
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g_cond_signal (&(GST_VAAPI_ENCODER_CAST(encoder))->surface_free); \
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} G_STMT_END
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#define GST_VAAPI_ENCODER_SYNC_SIGNAL(encoder) \
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G_STMT_START { \
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g_cond_signal (&(GST_VAAPI_ENCODER_CAST(encoder))->sync_ready); \
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} G_STMT_END
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static inline gboolean
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GST_VAAPI_ENCODER_SYNC_WAIT_TIMEOUT (GstVaapiEncoder * encoder, gint64 timeout)
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{
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gint64 end_time = g_get_monotonic_time () + timeout;
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return g_cond_wait_until (&encoder->sync_ready, &encoder->lock, end_time);
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}
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typedef struct
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{
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GstVaapiEncPicture *picture;
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GstVaapiCodedBufferProxy *buf;
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} GstVaapiEncoderSyncPic;
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GstVaapiEncoder *
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gst_vaapi_encoder_ref (GstVaapiEncoder * encoder)
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{
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return gst_vaapi_object_ref (encoder);
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}
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void
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gst_vaapi_encoder_unref (GstVaapiEncoder * encoder)
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{
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gst_vaapi_object_unref (encoder);
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}
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void
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gst_vaapi_encoder_replace (GstVaapiEncoder ** old_encoder_ptr,
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GstVaapiEncoder * new_encoder)
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{
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gst_vaapi_object_replace (old_encoder_ptr, new_encoder);
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}
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static void
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_coded_buffer_proxy_released_notify (GstVaapiEncoder * encoder)
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{
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GST_VAAPI_ENCODER_LOCK (encoder);
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GST_VAAPI_ENCODER_BUF_FREE_SIGNAL (encoder);
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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}
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static GstVaapiCodedBufferProxy *
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gst_vaapi_encoder_create_coded_buffer (GstVaapiEncoder * encoder)
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{
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GstVaapiCodedBufferPool *const pool =
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GST_VAAPI_CODED_BUFFER_POOL (encoder->codedbuf_pool);
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GstVaapiCodedBufferProxy *codedbuf_proxy;
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GST_VAAPI_ENCODER_LOCK (encoder);
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do {
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codedbuf_proxy = gst_vaapi_coded_buffer_proxy_new_from_pool (pool);
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if (codedbuf_proxy)
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break;
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/* Wait for a free coded buffer to become available */
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GST_VAAPI_ENCODER_BUF_FREE_WAIT (encoder);
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codedbuf_proxy = gst_vaapi_coded_buffer_proxy_new_from_pool (pool);
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} while (0);
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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if (!codedbuf_proxy)
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return NULL;
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gst_vaapi_coded_buffer_proxy_set_destroy_notify (codedbuf_proxy,
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(GDestroyNotify)_coded_buffer_proxy_released_notify, encoder);
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return codedbuf_proxy;
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}
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static void
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_surface_proxy_released_notify (GstVaapiEncoder * encoder)
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{
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GST_VAAPI_ENCODER_FREE_SURFACE_SIGNAL (encoder);
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}
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GstVaapiSurfaceProxy *
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gst_vaapi_encoder_create_surface (GstVaapiEncoder * encoder)
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{
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GstVaapiSurfaceProxy *proxy;
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g_assert (encoder && encoder->context);
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g_return_val_if_fail (encoder->context, NULL);
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GST_VAAPI_ENCODER_LOCK (encoder);
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while (!gst_vaapi_context_get_surface_count (encoder->context)) {
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GST_VAAPI_ENCODER_FREE_SURFACE_WAIT (encoder);
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}
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proxy = gst_vaapi_context_get_surface_proxy (encoder->context);
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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gst_vaapi_surface_proxy_set_destroy_notify (proxy,
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(GDestroyNotify) _surface_proxy_released_notify, encoder);
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return proxy;
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}
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void
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gst_vaapi_encoder_release_surface (GstVaapiEncoder * encoder,
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GstVaapiSurfaceProxy * surface)
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{
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GST_VAAPI_ENCODER_LOCK (encoder);
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gst_vaapi_surface_proxy_unref (surface);
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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}
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static GstVaapiEncoderSyncPic *
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_create_sync_picture (GstVaapiEncPicture * picture,
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GstVaapiCodedBufferProxy * coded_buf)
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{
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GstVaapiEncoderSyncPic *sync = g_slice_new0 (GstVaapiEncoderSyncPic);
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g_assert (picture && coded_buf);
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sync->picture = gst_vaapi_enc_picture_ref (picture);
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sync->buf = gst_vaapi_coded_buffer_proxy_ref (coded_buf);
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return sync;
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}
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static void
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_free_sync_picture (GstVaapiEncoder * encoder,
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GstVaapiEncoderSyncPic * sync_pic)
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{
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g_assert (sync_pic);
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if (sync_pic->picture)
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gst_vaapi_enc_picture_unref (sync_pic->picture);
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if (sync_pic->buf)
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gst_vaapi_coded_buffer_proxy_unref (sync_pic->buf);
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g_slice_free (GstVaapiEncoderSyncPic, sync_pic);
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}
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static void
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gst_vaapi_encoder_free_sync_pictures (GstVaapiEncoder * encoder)
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{
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GstVaapiEncoderSyncPic *sync;
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GST_VAAPI_ENCODER_LOCK (encoder);
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while (!g_queue_is_empty (&encoder->sync_pictures)) {
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sync =
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(GstVaapiEncoderSyncPic *) g_queue_pop_head (&encoder->sync_pictures);
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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_free_sync_picture (encoder, sync);
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GST_VAAPI_ENCODER_LOCK (encoder);
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}
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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}
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static gboolean
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gst_vaapi_encoder_push_sync_picture (GstVaapiEncoder * encoder,
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GstVaapiEncoderSyncPic * sync_pic)
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{
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GST_VAAPI_ENCODER_LOCK (encoder);
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g_queue_push_tail (&encoder->sync_pictures, sync_pic);
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GST_VAAPI_ENCODER_SYNC_SIGNAL (encoder);
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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return TRUE;
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}
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static GstVaapiEncoderStatus
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gst_vaapi_encoder_pop_sync_picture (GstVaapiEncoder * encoder,
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GstVaapiEncoderSyncPic ** sync_pic, guint64 timeout)
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{
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GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
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*sync_pic = NULL;
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GST_VAAPI_ENCODER_LOCK (encoder);
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if (g_queue_is_empty (&encoder->sync_pictures) &&
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!GST_VAAPI_ENCODER_SYNC_WAIT_TIMEOUT (encoder, timeout))
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goto timeout;
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if (g_queue_is_empty (&encoder->sync_pictures)) {
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ret = GST_VAAPI_ENCODER_STATUS_UNKNOWN_ERR;
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goto end;
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}
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*sync_pic =
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(GstVaapiEncoderSyncPic *) g_queue_pop_head (&encoder->sync_pictures);
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g_assert (*sync_pic);
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ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
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goto end;
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timeout:
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ret = GST_VAAPI_ENCODER_STATUS_TIMEOUT;
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end:
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GST_VAAPI_ENCODER_UNLOCK (encoder);
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return ret;
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}
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GstVaapiEncoderStatus
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gst_vaapi_encoder_put_frame (GstVaapiEncoder * encoder,
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GstVideoCodecFrame * frame)
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{
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GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
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GstVaapiEncoderClass *klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
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GstVaapiEncPicture *picture = NULL;
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GstVaapiCodedBufferProxy *coded_buf = NULL;
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GstVaapiEncoderSyncPic *sync_pic = NULL;
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again:
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picture = NULL;
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sync_pic = NULL;
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ret = klass->reordering (encoder, frame, FALSE, &picture);
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if (ret == GST_VAAPI_ENCODER_STATUS_FRAME_NOT_READY)
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return GST_VAAPI_ENCODER_STATUS_SUCCESS;
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g_assert (picture);
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if (ret != GST_VAAPI_ENCODER_STATUS_SUCCESS)
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goto error;
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if (!picture) {
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ret = GST_VAAPI_ENCODER_STATUS_PICTURE_ERR;
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goto error;
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}
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coded_buf = gst_vaapi_encoder_create_coded_buffer (encoder);
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if (!coded_buf) {
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ret = GST_VAAPI_ENCODER_STATUS_OBJECT_ERR;
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goto error;
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}
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ret = klass->encode (encoder, picture, coded_buf);
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if (ret != GST_VAAPI_ENCODER_STATUS_SUCCESS)
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goto error;
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/* another thread would sync and get coded buffer */
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sync_pic = _create_sync_picture (picture, coded_buf);
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gst_vaapi_coded_buffer_proxy_replace (&coded_buf, NULL);
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gst_vaapi_enc_picture_replace (&picture, NULL);
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if (!gst_vaapi_encoder_push_sync_picture (encoder, sync_pic)) {
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ret = GST_VAAPI_ENCODER_STATUS_THREAD_ERR;
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goto error;
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}
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frame = NULL;
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goto again;
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error:
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gst_vaapi_enc_picture_replace (&picture, NULL);
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gst_vaapi_coded_buffer_proxy_replace (&coded_buf, NULL);
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if (sync_pic)
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_free_sync_picture (encoder, sync_pic);
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GST_ERROR ("encoding failed, error:%d", ret);
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return ret;
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}
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GstVaapiEncoderStatus
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gst_vaapi_encoder_get_buffer (GstVaapiEncoder * encoder,
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GstVideoCodecFrame ** frame,
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GstVaapiCodedBufferProxy ** codedbuf, gint64 us_of_timeout)
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{
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GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
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GstVaapiEncoderSyncPic *sync_pic = NULL;
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GstVaapiSurfaceStatus surface_status;
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GstVaapiEncPicture *picture;
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ret = gst_vaapi_encoder_pop_sync_picture (encoder, &sync_pic, us_of_timeout);
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if (ret != GST_VAAPI_ENCODER_STATUS_SUCCESS)
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goto end;
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picture = sync_pic->picture;
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if (!picture->surface || !gst_vaapi_surface_sync (picture->surface)) {
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ret = GST_VAAPI_ENCODER_STATUS_PARAM_ERR;
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goto end;
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}
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if (!gst_vaapi_surface_query_status (picture->surface, &surface_status)) {
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ret = GST_VAAPI_ENCODER_STATUS_PICTURE_ERR;
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goto end;
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}
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if (frame)
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*frame = gst_video_codec_frame_ref (picture->frame);
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if (codedbuf)
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*codedbuf = gst_vaapi_coded_buffer_proxy_ref (sync_pic->buf);
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end:
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if (sync_pic)
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_free_sync_picture (encoder, sync_pic);
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return ret;
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}
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GstVaapiEncoderStatus
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gst_vaapi_encoder_flush (GstVaapiEncoder * encoder)
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{
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GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
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return klass->flush (encoder);
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}
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GstVaapiEncoderStatus
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gst_vaapi_encoder_get_codec_data (GstVaapiEncoder * encoder,
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GstBuffer ** codec_data)
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{
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GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
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GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
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*codec_data = NULL;
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if (!klass->get_codec_data)
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return GST_VAAPI_ENCODER_STATUS_SUCCESS;
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ret = klass->get_codec_data (encoder, codec_data);
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return ret;
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}
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static gboolean
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gst_vaapi_encoder_ensure_context (GstVaapiEncoder * encoder)
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{
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GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
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GstVaapiContextInfo info;
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GstVaapiContext *context;
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if (GST_VAAPI_ENCODER_CONTEXT (encoder))
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return TRUE;
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memset (&info, 0, sizeof (info));
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if (!klass->get_context_info (encoder, &info))
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return FALSE;
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context = gst_vaapi_context_new_full (GST_VAAPI_ENCODER_DISPLAY (encoder),
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&info);
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if (!context)
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return FALSE;
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GST_VAAPI_ENCODER_CONTEXT (encoder) = context;
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GST_VAAPI_ENCODER_VA_CONTEXT (encoder) = gst_vaapi_context_get_id (context);
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return TRUE;
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}
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GstCaps *
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gst_vaapi_encoder_set_format (GstVaapiEncoder * encoder,
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GstVideoCodecState * in_state, GstCaps * ref_caps)
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{
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GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
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GstCaps *out_caps = NULL;
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if (!GST_VIDEO_INFO_WIDTH (&in_state->info) ||
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!GST_VIDEO_INFO_HEIGHT (&in_state->info)) {
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GST_WARNING ("encoder set format failed, width or height equal to 0.");
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return NULL;
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}
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GST_VAAPI_ENCODER_VIDEO_INFO (encoder) = in_state->info;
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out_caps = klass->set_format (encoder, in_state, ref_caps);
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if (!out_caps)
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goto error;
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if (GST_VAAPI_ENCODER_CAPS (encoder) &&
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gst_caps_is_equal (out_caps, GST_VAAPI_ENCODER_CAPS (encoder))) {
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gst_caps_unref (out_caps);
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return GST_VAAPI_ENCODER_CAPS (encoder);
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}
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gst_caps_replace (&GST_VAAPI_ENCODER_CAPS (encoder), out_caps);
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g_assert (GST_VAAPI_ENCODER_CONTEXT (encoder) == NULL);
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gst_vaapi_object_replace (&GST_VAAPI_ENCODER_CONTEXT (encoder), NULL);
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if (!gst_vaapi_encoder_ensure_context (encoder))
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goto error;
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encoder->codedbuf_size = (GST_VAAPI_ENCODER_WIDTH (encoder) *
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GST_VAAPI_ENCODER_HEIGHT (encoder) * 400) / (16 * 16);
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encoder->codedbuf_pool = gst_vaapi_coded_buffer_pool_new (encoder,
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encoder->codedbuf_size);
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if (!encoder->codedbuf_pool) {
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GST_ERROR ("failed to initialized coded buffer pool");
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goto error;
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}
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gst_vaapi_video_pool_set_capacity (encoder->codedbuf_pool, 5);
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return out_caps;
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error:
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gst_caps_replace (&GST_VAAPI_ENCODER_CAPS (encoder), NULL);
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gst_caps_replace (&out_caps, NULL);
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GST_ERROR ("encoder set format failed");
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return NULL;
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}
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static gboolean
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gst_vaapi_encoder_init (GstVaapiEncoder * encoder, GstVaapiDisplay * display)
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{
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GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
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g_return_val_if_fail (display != NULL, FALSE);
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#define CHECK_VTABLE_HOOK(FUNC) do { \
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if (!klass->FUNC) \
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goto error_invalid_vtable; \
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} while (0)
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CHECK_VTABLE_HOOK (init);
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CHECK_VTABLE_HOOK (finalize);
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CHECK_VTABLE_HOOK (encode);
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CHECK_VTABLE_HOOK (reordering);
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CHECK_VTABLE_HOOK (flush);
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CHECK_VTABLE_HOOK (get_context_info);
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CHECK_VTABLE_HOOK (set_format);
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#undef CHECK_VTABLE_HOOK
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encoder->display = gst_vaapi_display_ref (display);
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encoder->va_display = gst_vaapi_display_get_display (display);
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encoder->va_context = VA_INVALID_ID;
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gst_video_info_init (&encoder->video_info);
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|
|
g_mutex_init (&encoder->lock);
|
|
g_cond_init (&encoder->codedbuf_free);
|
|
g_cond_init (&encoder->surface_free);
|
|
g_queue_init (&encoder->sync_pictures);
|
|
g_cond_init (&encoder->sync_ready);
|
|
|
|
return klass->init (encoder);
|
|
|
|
/* ERRORS */
|
|
error_invalid_vtable:
|
|
{
|
|
GST_ERROR ("invalid subclass hook (internal error)");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
void
|
|
gst_vaapi_encoder_finalize (GstVaapiEncoder * encoder)
|
|
{
|
|
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
|
|
|
|
klass->finalize (encoder);
|
|
|
|
gst_vaapi_encoder_free_sync_pictures (encoder);
|
|
gst_vaapi_video_pool_replace (&encoder->codedbuf_pool, NULL);
|
|
|
|
gst_vaapi_object_replace (&encoder->context, NULL);
|
|
gst_vaapi_display_replace (&encoder->display, NULL);
|
|
encoder->va_display = NULL;
|
|
g_mutex_clear (&encoder->lock);
|
|
g_cond_clear (&encoder->codedbuf_free);
|
|
g_cond_clear (&encoder->surface_free);
|
|
g_queue_clear (&encoder->sync_pictures);
|
|
g_cond_clear (&encoder->sync_ready);
|
|
}
|
|
|
|
GstVaapiEncoder *
|
|
gst_vaapi_encoder_new (const GstVaapiEncoderClass * klass,
|
|
GstVaapiDisplay * display)
|
|
{
|
|
GstVaapiEncoder *encoder;
|
|
|
|
encoder = (GstVaapiEncoder *)
|
|
gst_vaapi_mini_object_new0 (GST_VAAPI_MINI_OBJECT_CLASS (klass));
|
|
if (!encoder)
|
|
return NULL;
|
|
|
|
if (!gst_vaapi_encoder_init (encoder, display))
|
|
goto error;
|
|
return encoder;
|
|
|
|
error:
|
|
gst_vaapi_encoder_unref (encoder);
|
|
return NULL;
|
|
}
|