[Libva] [Libva-intel-driver PATCH 02/27] Add the initial code for HEVC decoding on SKL into the driver

Xiang, Haihao haihao.xiang at intel.com
Wed Nov 19 07:05:17 PST 2014


The hcp (HEVC codec pipeline) for decoding will be built later

Signed-off-by: Xiang, Haihao <haihao.xiang at intel.com>
---
 src/Makefile.am          |   2 +
 src/gen9_mfd.c           | 141 +++++++++++++++++++++++++++++++++++++++++++++++
 src/gen9_mfd.h           |  45 +++++++++++++++
 src/i965_decoder_utils.c |  14 +++++
 src/i965_device_info.c   |   3 +-
 5 files changed, 204 insertions(+), 1 deletion(-)
 create mode 100644 src/gen9_mfd.c
 create mode 100644 src/gen9_mfd.h

diff --git a/src/Makefile.am b/src/Makefile.am
index 2968dba..566a7ae 100755
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -64,6 +64,7 @@ source_c = \
 	gen8_vme.c		\
 	gen9_vme.c		\
 	gen9_mfc.c		\
+	gen9_mfd.c		\
 	gen75_picture_process.c	\
 	gen75_vme.c		\
 	gen75_vpp_gpe.c  	\
@@ -104,6 +105,7 @@ source_h = \
 	gen75_vpp_gpe.h 	\
 	gen75_vpp_vebox.h	\
 	gen8_post_processing.h	\
+	gen9_mfd.h		\
 	i965_avc_bsd.h		\
 	i965_avc_hw_scoreboard.h\
 	i965_avc_ildb.h		\
diff --git a/src/gen9_mfd.c b/src/gen9_mfd.c
new file mode 100644
index 0000000..cfed038
--- /dev/null
+++ b/src/gen9_mfd.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright © 2014 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Xiang Haihao <haihao.xiang at intel.com>
+ *
+ */
+
+#include "sysdeps.h"
+
+#include <va/va.h>
+
+#include "intel_batchbuffer.h"
+#include "intel_driver.h"
+#include "i965_defines.h"
+#include "i965_drv_video.h"
+#include "i965_decoder_utils.h"
+
+#include "gen9_mfd.h"
+
+static VAStatus
+gen9_hcpd_hevc_decode_init(VADriverContextP ctx,
+                           struct decode_state *decode_state,
+                           struct gen9_hcpd_context *gen9_hcpd_context)
+{
+    /* FIXME: implement it later */
+
+    return VA_STATUS_SUCCESS;
+}
+
+static VAStatus
+gen9_hcpd_hevc_decode_picture(VADriverContextP ctx,
+                              struct decode_state *decode_state,
+                              struct gen9_hcpd_context *gen9_hcpd_context)
+{
+    VAStatus vaStatus;
+    struct intel_batchbuffer *batch = gen9_hcpd_context->base.batch;
+
+    vaStatus = gen9_hcpd_hevc_decode_init(ctx, decode_state, gen9_hcpd_context);
+
+    if (vaStatus != VA_STATUS_SUCCESS)
+        goto out;
+
+    intel_batchbuffer_start_atomic_bcs(batch, 0x1000);
+    intel_batchbuffer_emit_mi_flush(batch);
+
+    intel_batchbuffer_end_atomic(batch);
+    intel_batchbuffer_flush(batch);
+
+out:
+    return vaStatus;
+}
+
+static VAStatus
+gen9_hcpd_decode_picture(VADriverContextP ctx,
+                         VAProfile profile,
+                         union codec_state *codec_state,
+                         struct hw_context *hw_context)
+{
+    struct gen9_hcpd_context *gen9_hcpd_context = (struct gen9_hcpd_context *)hw_context;
+    struct decode_state *decode_state = &codec_state->decode;
+    VAStatus vaStatus;
+
+    assert(gen9_hcpd_context);
+
+    vaStatus = intel_decoder_sanity_check_input(ctx, profile, decode_state);
+
+    if (vaStatus != VA_STATUS_SUCCESS)
+        goto out;
+
+    switch (profile) {
+    case VAProfileHEVCMain:
+    case VAProfileHEVCMain10:
+        vaStatus = gen9_hcpd_hevc_decode_picture(ctx, decode_state, gen9_hcpd_context);
+        break;
+
+    default:
+        /* should never get here 1!! */
+        assert(0);
+        break;
+    }
+
+out:
+    return vaStatus;
+}
+
+static void
+gen9_hcpd_context_destroy(void *hw_context)
+{
+    struct gen9_hcpd_context *gen9_hcpd_context = (struct gen9_hcpd_context *)hw_context;
+
+    intel_batchbuffer_free(gen9_hcpd_context->base.batch);
+    free(gen9_hcpd_context);
+}
+
+static struct hw_context *
+gen9_hcpd_context_init(VADriverContextP ctx, struct object_config *object_config)
+{
+    struct intel_driver_data *intel = intel_driver_data(ctx);
+    struct gen9_hcpd_context *gen9_hcpd_context = calloc(1, sizeof(struct gen9_hcpd_context));
+
+    if (!gen9_hcpd_context)
+        return NULL;
+
+    gen9_hcpd_context->base.destroy = gen9_hcpd_context_destroy;
+    gen9_hcpd_context->base.run = gen9_hcpd_decode_picture;
+    gen9_hcpd_context->base.batch = intel_batchbuffer_new(intel, I915_EXEC_VEBOX, 0);
+
+    return (struct hw_context *)gen9_hcpd_context;
+}
+
+struct hw_context *
+gen9_dec_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
+{
+    if (obj_config->profile == VAProfileHEVCMain ||
+        obj_config->profile == VAProfileHEVCMain10) {
+        return gen9_hcpd_context_init(ctx, obj_config);
+    } else {
+        return gen8_dec_hw_context_init(ctx, obj_config);
+    }
+}
diff --git a/src/gen9_mfd.h b/src/gen9_mfd.h
new file mode 100644
index 0000000..1578ea6
--- /dev/null
+++ b/src/gen9_mfd.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2014 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Xiang Haihao <haihao.xiang at intel.com>
+ *
+ */
+
+#ifndef GEN9_MFD_H
+#define GEN9_MFD_H
+
+#include <xf86drm.h>
+#include <drm.h>
+#include <i915_drm.h>
+#include <intel_bufmgr.h>
+#include "i965_decoder.h"
+
+struct hw_context;
+
+struct gen9_hcpd_context
+{
+    struct hw_context base;
+};
+
+#endif /* GEN9_MFD_H */
diff --git a/src/i965_decoder_utils.c b/src/i965_decoder_utils.c
index 3ed08b4..e7a4322 100644
--- a/src/i965_decoder_utils.c
+++ b/src/i965_decoder_utils.c
@@ -1069,6 +1069,15 @@ intel_decoder_check_vp8_parameter(VADriverContextP ctx,
     return VA_STATUS_SUCCESS;
 }
 
+static VAStatus
+intel_decoder_check_hevc_parameter(VADriverContextP ctx,
+                                   struct decode_state *decode_state)
+{
+    /* FIXME: implement it later */
+
+    return VA_STATUS_SUCCESS;
+}
+
 VAStatus
 intel_decoder_sanity_check_input(VADriverContextP ctx,
                                  VAProfile profile,
@@ -1116,6 +1125,11 @@ intel_decoder_sanity_check_input(VADriverContextP ctx,
         vaStatus = intel_decoder_check_vp8_parameter(ctx, decode_state);
         break;
 
+    case VAProfileHEVCMain:
+    case VAProfileHEVCMain10:
+        vaStatus = intel_decoder_check_hevc_parameter(ctx, decode_state);
+        break;
+
     default:
         vaStatus = VA_STATUS_ERROR_INVALID_PARAMETER;
         break;
diff --git a/src/i965_device_info.c b/src/i965_device_info.c
index 4b8f634..9baf56c 100755
--- a/src/i965_device_info.c
+++ b/src/i965_device_info.c
@@ -309,10 +309,11 @@ static struct hw_codec_info chv_hw_codec_info = {
     },
 };
 
+extern struct hw_context *gen9_dec_hw_context_init(VADriverContextP, struct object_config *);
 extern struct hw_context *gen9_enc_hw_context_init(VADriverContextP, struct object_config *);
 extern void gen9_post_processing_context_init(VADriverContextP, void *, struct intel_batchbuffer *);
 static struct hw_codec_info skl_hw_codec_info = {
-    .dec_hw_context_init = gen8_dec_hw_context_init,
+    .dec_hw_context_init = gen9_dec_hw_context_init,
     .enc_hw_context_init = gen9_enc_hw_context_init,
     .proc_hw_context_init = gen75_proc_context_init,
     .render_init = gen9_render_init,
-- 
1.9.1



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