[Mesa-dev] [PATCH 03/10] radeon/vcn: add jpeg decoder creation
boyuan.zhang at amd.com
boyuan.zhang at amd.com
Thu Aug 2 19:44:43 UTC 2018
From: Boyuan Zhang <boyuan.zhang at amd.com>
Signed-off-by: Boyuan Zhang <boyuan.zhang at amd.com>
---
src/gallium/drivers/radeon/Makefile.sources | 1 +
src/gallium/drivers/radeon/meson.build | 1 +
src/gallium/drivers/radeon/radeon_vcn_jpeg.c | 212 +++++++++++++++++++++++++++
3 files changed, 214 insertions(+)
create mode 100644 src/gallium/drivers/radeon/radeon_vcn_jpeg.c
diff --git a/src/gallium/drivers/radeon/Makefile.sources b/src/gallium/drivers/radeon/Makefile.sources
index a11bffe..3424e2d 100644
--- a/src/gallium/drivers/radeon/Makefile.sources
+++ b/src/gallium/drivers/radeon/Makefile.sources
@@ -16,6 +16,7 @@ C_SOURCES := \
radeon_vcn_enc.c \
radeon_vcn_enc.h \
radeon_vcn_jpeg.h \
+ radeon_vcn_jpeg.c \
radeon_uvd_enc_1_1.c \
radeon_uvd_enc.c \
radeon_uvd_enc.h \
diff --git a/src/gallium/drivers/radeon/meson.build b/src/gallium/drivers/radeon/meson.build
index eb68b57..a12cd4e 100644
--- a/src/gallium/drivers/radeon/meson.build
+++ b/src/gallium/drivers/radeon/meson.build
@@ -36,6 +36,7 @@ files_libradeon = files(
'radeon_vcn_dec.c',
'radeon_vcn_dec.h',
'radeon_vcn_jpeg.h',
+ 'radeon_vcn_jpeg.c',
'radeon_uvd_enc_1_1.c',
'radeon_uvd_enc.c',
'radeon_uvd_enc.h',
diff --git a/src/gallium/drivers/radeon/radeon_vcn_jpeg.c b/src/gallium/drivers/radeon/radeon_vcn_jpeg.c
new file mode 100644
index 0000000..c078131
--- /dev/null
+++ b/src/gallium/drivers/radeon/radeon_vcn_jpeg.c
@@ -0,0 +1,212 @@
+/**************************************************************************
+ *
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * 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 THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ **************************************************************************/
+
+#include <assert.h>
+#include <stdio.h>
+
+#include "pipe/p_video_codec.h"
+
+#include "util/u_memory.h"
+#include "util/u_video.h"
+
+#include "radeonsi/si_pipe.h"
+#include "radeon_video.h"
+#include "radeon_vcn_jpeg.h"
+
+#define NUM_BUFFERS 4
+
+struct radeon_jpeg_decoder {
+ struct pipe_video_codec base;
+
+ unsigned stream_handle;
+ unsigned stream_type;
+ unsigned frame_number;
+
+ struct pipe_screen *screen;
+ struct radeon_winsys *ws;
+ struct radeon_winsys_cs *cs;
+
+ void *bs_ptr;
+
+ struct rvid_buffer bs_buffers[NUM_BUFFERS];
+
+ unsigned bs_size;
+ unsigned cur_buffer;
+ unsigned bsd_size;
+ unsigned dt_pitch;
+ unsigned dt_uv_pitch;
+ unsigned dt_luma_top_offset;
+ unsigned dt_chroma_top_offset;
+};
+
+/* flush IB to the hardware */
+static int flush(struct radeon_jpeg_decoder *dec, unsigned flags)
+{
+ return dec->ws->cs_flush(dec->cs, flags, NULL);
+}
+
+/* cycle to the next set of buffers */
+static void next_buffer(struct radeon_jpeg_decoder *dec)
+{
+ ++dec->cur_buffer;
+ dec->cur_buffer %= NUM_BUFFERS;
+}
+
+/**
+ * destroy this video decoder
+ */
+static void radeon_jpeg_destroy(struct pipe_video_codec *decoder)
+{
+ /* TODO */
+}
+
+/**
+ * start decoding of a new frame
+ */
+static void radeon_jpeg_begin_frame(struct pipe_video_codec *decoder,
+ struct pipe_video_buffer *target,
+ struct pipe_picture_desc *picture)
+{
+ /* TODO */
+}
+
+/**
+ * decode a macroblock
+ */
+static void radeon_jpeg_decode_macroblock(struct pipe_video_codec *decoder,
+ struct pipe_video_buffer *target,
+ struct pipe_picture_desc *picture,
+ const struct pipe_macroblock *macroblocks,
+ unsigned num_macroblocks)
+{
+ /* TODO */
+}
+
+/**
+ * decode a bitstream
+ */
+static void radeon_jpeg_decode_bitstream(struct pipe_video_codec *decoder,
+ struct pipe_video_buffer *target,
+ struct pipe_picture_desc *picture,
+ unsigned num_buffers,
+ const void * const *buffers,
+ const unsigned *sizes)
+{
+ /* TODO */
+}
+
+/**
+ * end decoding of the current frame
+ */
+static void radeon_jpeg_end_frame(struct pipe_video_codec *decoder,
+ struct pipe_video_buffer *target,
+ struct pipe_picture_desc *picture)
+{
+ /* TODO */
+}
+
+/**
+ * flush any outstanding command buffers to the hardware
+ */
+static void radeon_jpeg_flush(struct pipe_video_codec *decoder)
+{
+}
+
+/**
+ * create and HW decoder
+ */
+struct pipe_video_codec *radeon_create_decoder_jpeg(struct pipe_context *context,
+ const struct pipe_video_codec *templ)
+{
+ struct radeon_winsys* ws = ((struct r600_common_context *)context)->ws;
+ struct r600_common_context *rctx = (struct r600_common_context*)context;
+ unsigned width = templ->width, height = templ->height;
+ unsigned bs_buf_size, stream_type = 0;
+ struct radeon_jpeg_decoder *dec;
+ int r, i;
+
+ if ((u_reduce_video_profile(templ->profile)) == PIPE_VIDEO_FORMAT_JPEG)
+ stream_type = RDECODE_CODEC_JPEG;
+ else
+ assert(0);
+
+ dec = CALLOC_STRUCT(radeon_jpeg_decoder);
+
+ if (!dec)
+ return NULL;
+
+ dec->base = *templ;
+ dec->base.context = context;
+ dec->base.width = width;
+ dec->base.height = height;
+
+ dec->base.destroy = radeon_jpeg_destroy;
+ dec->base.begin_frame = radeon_jpeg_begin_frame;
+ dec->base.decode_macroblock = radeon_jpeg_decode_macroblock;
+ dec->base.decode_bitstream = radeon_jpeg_decode_bitstream;
+ dec->base.end_frame = radeon_jpeg_end_frame;
+ dec->base.flush = radeon_jpeg_flush;
+
+ dec->stream_type = stream_type;
+ dec->stream_handle = si_vid_alloc_stream_handle();
+ dec->screen = context->screen;
+ dec->ws = ws;
+ dec->cs = ws->cs_create(rctx->ctx, RING_VCN_JPEG, NULL, NULL);
+ if (!dec->cs) {
+ RVID_ERR("Can't get command submission context.\n");
+ goto error;
+ }
+
+ bs_buf_size = width * height * (512 / (16 * 16));
+ for (i = 0; i < NUM_BUFFERS; ++i) {
+ if (!si_vid_create_buffer(dec->screen, &dec->bs_buffers[i],
+ bs_buf_size, PIPE_USAGE_STAGING)) {
+ RVID_ERR("Can't allocated bitstream buffers.\n");
+ goto error;
+ }
+ si_vid_clear_buffer(context, &dec->bs_buffers[i]);
+ }
+
+ r = flush(dec, 0);
+ if (r)
+ goto error;
+
+ next_buffer(dec);
+
+ return &dec->base;
+
+error:
+ if (dec->cs) dec->ws->cs_destroy(dec->cs);
+
+ for (i = 0; i < NUM_BUFFERS; ++i) {
+ si_vid_destroy_buffer(&dec->bs_buffers[i]);
+ }
+
+ FREE(dec);
+
+ return NULL;
+}
--
2.7.4
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