--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2017 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 "vl/vl_mpeg12_decoder.h"
+
+#include "r600_pipe_common.h"
+#include "radeon_video.h"
+#include "radeon_vcn_dec.h"
+
+#define FB_BUFFER_OFFSET 0x1000
+#define FB_BUFFER_SIZE 2048
+#define IT_SCALING_TABLE_SIZE 992
+#define RDECODE_SESSION_CONTEXT_SIZE (128 * 1024)
+
+#define RDECODE_GPCOM_VCPU_CMD 0x2070c
+#define RDECODE_GPCOM_VCPU_DATA0 0x20710
+#define RDECODE_GPCOM_VCPU_DATA1 0x20714
+#define RDECODE_ENGINE_CNTL 0x20718
+
+#define NUM_BUFFERS 4
+#define NUM_MPEG2_REFS 6
+#define NUM_H264_REFS 17
+#define NUM_VC1_REFS 5
+
+struct radeon_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 *msg;
+ uint32_t *fb;
+ uint8_t *it;
+ void *bs_ptr;
+
+ struct rvid_buffer msg_fb_it_buffers[NUM_BUFFERS];
+ struct rvid_buffer bs_buffers[NUM_BUFFERS];
+ struct rvid_buffer dpb;
+ struct rvid_buffer ctx;
+ struct rvid_buffer sessionctx;
+
+ unsigned bs_size;
+ unsigned cur_buffer;
+};
+
+static void radeon_dec_destroy_associated_data(void *data)
+{
+ /* NOOP, since we only use an intptr */
+}
+
+static void rvcn_dec_message_create(struct radeon_decoder *dec)
+{
+ /* TODO */
+}
+
+static struct pb_buffer *rvcn_dec_message_decode(struct radeon_decoder *dec)
+{
+ /* TODO */
+ return NULL;
+}
+
+static void rvcn_dec_message_destroy(struct radeon_decoder *dec)
+{
+ /* TODO */
+}
+
+static void rvcn_dec_message_feedback(struct radeon_decoder *dec)
+{
+ /* TODO */
+}
+
+/* flush IB to the hardware */
+static int flush(struct radeon_decoder *dec, unsigned flags)
+{
+ return dec->ws->cs_flush(dec->cs, flags, NULL);
+}
+
+/* add a new set register command to the IB */
+static void set_reg(struct radeon_decoder *dec, unsigned reg, uint32_t val)
+{
+ radeon_emit(dec->cs, RDECODE_PKT0(reg >> 2, 0));
+ radeon_emit(dec->cs, val);
+}
+
+/* send a command to the VCPU through the GPCOM registers */
+static void send_cmd(struct radeon_decoder *dec, unsigned cmd,
+ struct pb_buffer* buf, uint32_t off,
+ enum radeon_bo_usage usage, enum radeon_bo_domain domain)
+{
+ uint64_t addr;
+
+ dec->ws->cs_add_buffer(dec->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED,
+ domain, RADEON_PRIO_UVD);
+ addr = dec->ws->buffer_get_virtual_address(buf);
+ addr = addr + off;
+
+ set_reg(dec, RDECODE_GPCOM_VCPU_DATA0, addr);
+ set_reg(dec, RDECODE_GPCOM_VCPU_DATA1, addr >> 32);
+ set_reg(dec, RDECODE_GPCOM_VCPU_CMD, cmd << 1);
+}
+
+/* do the codec needs an IT buffer ?*/
+static bool have_it(struct radeon_decoder *dec)
+{
+ return dec->stream_type == RDECODE_CODEC_H264_PERF ||
+ dec->stream_type == RDECODE_CODEC_H265;
+}
+
+/* map the next available message/feedback/itscaling buffer */
+static void map_msg_fb_it_buf(struct radeon_decoder *dec)
+{
+ struct rvid_buffer* buf;
+ uint8_t *ptr;
+
+ /* grab the current message/feedback buffer */
+ buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
+
+ /* and map it for CPU access */
+ ptr = dec->ws->buffer_map(buf->res->buf, dec->cs, PIPE_TRANSFER_WRITE);
+
+ /* calc buffer offsets */
+ dec->msg = ptr;
+
+ dec->fb = (uint32_t *)(ptr + FB_BUFFER_OFFSET);
+ if (have_it(dec))
+ dec->it = (uint8_t *)(ptr + FB_BUFFER_OFFSET + FB_BUFFER_SIZE);
+}
+
+/* unmap and send a message command to the VCPU */
+static void send_msg_buf(struct radeon_decoder *dec)
+{
+ struct rvid_buffer* buf;
+
+ /* ignore the request if message/feedback buffer isn't mapped */
+ if (!dec->msg || !dec->fb)
+ return;
+
+ /* grab the current message buffer */
+ buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
+
+ /* unmap the buffer */
+ dec->ws->buffer_unmap(buf->res->buf);
+ dec->msg = NULL;
+ dec->fb = NULL;
+ dec->it = NULL;
+
+ if (dec->sessionctx.res)
+ send_cmd(dec, RDECODE_CMD_SESSION_CONTEXT_BUFFER,
+ dec->sessionctx.res->buf, 0, RADEON_USAGE_READWRITE,
+ RADEON_DOMAIN_VRAM);
+
+ /* and send it to the hardware */
+ send_cmd(dec, RDECODE_CMD_MSG_BUFFER, buf->res->buf, 0,
+ RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
+}
+
+/* cycle to the next set of buffers */
+static void next_buffer(struct radeon_decoder *dec)
+{
+ ++dec->cur_buffer;
+ dec->cur_buffer %= NUM_BUFFERS;
+}
+
+static unsigned calc_ctx_size_h264_perf(struct radeon_decoder *dec)
+{
+ unsigned width_in_mb, height_in_mb, ctx_size;
+ unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
+ unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
+
+ unsigned max_references = dec->base.max_references + 1;
+
+ // picture width & height in 16 pixel units
+ width_in_mb = width / VL_MACROBLOCK_WIDTH;
+ height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
+
+ unsigned fs_in_mb = width_in_mb * height_in_mb;
+ unsigned num_dpb_buffer;
+ switch(dec->base.level) {
+ case 30:
+ num_dpb_buffer = 8100 / fs_in_mb;
+ break;
+ case 31:
+ num_dpb_buffer = 18000 / fs_in_mb;
+ break;
+ case 32:
+ num_dpb_buffer = 20480 / fs_in_mb;
+ break;
+ case 41:
+ num_dpb_buffer = 32768 / fs_in_mb;
+ break;
+ case 42:
+ num_dpb_buffer = 34816 / fs_in_mb;
+ break;
+ case 50:
+ num_dpb_buffer = 110400 / fs_in_mb;
+ break;
+ case 51:
+ num_dpb_buffer = 184320 / fs_in_mb;
+ break;
+ default:
+ num_dpb_buffer = 184320 / fs_in_mb;
+ break;
+ }
+ num_dpb_buffer++;
+ max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer), max_references);
+ ctx_size = max_references * align(width_in_mb * height_in_mb * 192, 256);
+
+ return ctx_size;
+}
+
+/* calculate size of reference picture buffer */
+static unsigned calc_dpb_size(struct radeon_decoder *dec)
+{
+ unsigned width_in_mb, height_in_mb, image_size, dpb_size;
+
+ // always align them to MB size for dpb calculation
+ unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
+ unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
+
+ // always one more for currently decoded picture
+ unsigned max_references = dec->base.max_references + 1;
+
+ // aligned size of a single frame
+ image_size = align(width, 32) * height;
+ image_size += image_size / 2;
+ image_size = align(image_size, 1024);
+
+ // picture width & height in 16 pixel units
+ width_in_mb = width / VL_MACROBLOCK_WIDTH;
+ height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
+
+ switch (u_reduce_video_profile(dec->base.profile)) {
+ case PIPE_VIDEO_FORMAT_MPEG4_AVC: {
+ unsigned fs_in_mb = width_in_mb * height_in_mb;
+ unsigned num_dpb_buffer;
+
+ switch(dec->base.level) {
+ case 30:
+ num_dpb_buffer = 8100 / fs_in_mb;
+ break;
+ case 31:
+ num_dpb_buffer = 18000 / fs_in_mb;
+ break;
+ case 32:
+ num_dpb_buffer = 20480 / fs_in_mb;
+ break;
+ case 41:
+ num_dpb_buffer = 32768 / fs_in_mb;
+ break;
+ case 42:
+ num_dpb_buffer = 34816 / fs_in_mb;
+ break;
+ case 50:
+ num_dpb_buffer = 110400 / fs_in_mb;
+ break;
+ case 51:
+ num_dpb_buffer = 184320 / fs_in_mb;
+ break;
+ default:
+ num_dpb_buffer = 184320 / fs_in_mb;
+ break;
+ }
+ num_dpb_buffer++;
+ max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer), max_references);
+ dpb_size = image_size * max_references;
+ break;
+ }
+
+ case PIPE_VIDEO_FORMAT_HEVC:
+ if (dec->base.width * dec->base.height >= 4096*2000)
+ max_references = MAX2(max_references, 8);
+ else
+ max_references = MAX2(max_references, 17);
+
+ width = align (width, 16);
+ height = align (height, 16);
+ if (dec->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
+ dpb_size = align((align(width, 32) * height * 9) / 4, 256) * max_references;
+ else
+ dpb_size = align((align(width, 32) * height * 3) / 2, 256) * max_references;
+ break;
+
+ case PIPE_VIDEO_FORMAT_VC1:
+ // the firmware seems to allways assume a minimum of ref frames
+ max_references = MAX2(NUM_VC1_REFS, max_references);
+
+ // reference picture buffer
+ dpb_size = image_size * max_references;
+
+ // CONTEXT_BUFFER
+ dpb_size += width_in_mb * height_in_mb * 128;
+
+ // IT surface buffer
+ dpb_size += width_in_mb * 64;
+
+ // DB surface buffer
+ dpb_size += width_in_mb * 128;
+
+ // BP
+ dpb_size += align(MAX2(width_in_mb, height_in_mb) * 7 * 16, 64);
+ break;
+
+ case PIPE_VIDEO_FORMAT_MPEG12:
+ // reference picture buffer, must be big enough for all frames
+ dpb_size = image_size * NUM_MPEG2_REFS;
+ break;
+
+ case PIPE_VIDEO_FORMAT_MPEG4:
+ // reference picture buffer
+ dpb_size = image_size * max_references;
+
+ // CM
+ dpb_size += width_in_mb * height_in_mb * 64;
+
+ // IT surface buffer
+ dpb_size += align(width_in_mb * height_in_mb * 32, 64);
+
+ dpb_size = MAX2(dpb_size, 30 * 1024 * 1024);
+ break;
+
+ default:
+ // something is missing here
+ assert(0);
+
+ // at least use a sane default value
+ dpb_size = 32 * 1024 * 1024;
+ break;
+ }
+ return dpb_size;
+}
+
+/**
+ * destroy this video decoder
+ */
+static void radeon_dec_destroy(struct pipe_video_codec *decoder)
+{
+ struct radeon_decoder *dec = (struct radeon_decoder*)decoder;
+ unsigned i;
+
+ assert(decoder);
+
+ map_msg_fb_it_buf(dec);
+ rvcn_dec_message_destroy(dec);
+ send_msg_buf(dec);
+
+ flush(dec, 0);
+
+ dec->ws->cs_destroy(dec->cs);
+
+ for (i = 0; i < NUM_BUFFERS; ++i) {
+ rvid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
+ rvid_destroy_buffer(&dec->bs_buffers[i]);
+ }
+
+ rvid_destroy_buffer(&dec->dpb);
+ rvid_destroy_buffer(&dec->ctx);
+ rvid_destroy_buffer(&dec->sessionctx);
+
+ FREE(dec);
+}
+
+/**
+ * start decoding of a new frame
+ */
+static void radeon_dec_begin_frame(struct pipe_video_codec *decoder,
+ struct pipe_video_buffer *target,
+ struct pipe_picture_desc *picture)
+{
+ struct radeon_decoder *dec = (struct radeon_decoder*)decoder;
+ uintptr_t frame;
+
+ assert(decoder);
+
+ frame = ++dec->frame_number;
+ vl_video_buffer_set_associated_data(target, decoder, (void *)frame,
+ &radeon_dec_destroy_associated_data);
+
+ dec->bs_size = 0;
+ dec->bs_ptr = dec->ws->buffer_map(
+ dec->bs_buffers[dec->cur_buffer].res->buf,
+ dec->cs, PIPE_TRANSFER_WRITE);
+}
+
+/**
+ * decode a macroblock
+ */
+static void radeon_dec_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)
+{
+ /* not supported (yet) */
+ assert(0);
+}
+
+/**
+ * decode a bitstream
+ */
+static void radeon_dec_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)
+{
+ struct radeon_decoder *dec = (struct radeon_decoder*)decoder;
+ unsigned i;
+
+ assert(decoder);
+
+ if (!dec->bs_ptr)
+ return;
+
+ for (i = 0; i < num_buffers; ++i) {
+ struct rvid_buffer *buf = &dec->bs_buffers[dec->cur_buffer];
+ unsigned new_size = dec->bs_size + sizes[i];
+
+ if (new_size > buf->res->buf->size) {
+ dec->ws->buffer_unmap(buf->res->buf);
+ if (!rvid_resize_buffer(dec->screen, dec->cs, buf, new_size)) {
+ RVID_ERR("Can't resize bitstream buffer!");
+ return;
+ }
+
+ dec->bs_ptr = dec->ws->buffer_map(buf->res->buf, dec->cs,
+ PIPE_TRANSFER_WRITE);
+ if (!dec->bs_ptr)
+ return;
+
+ dec->bs_ptr += dec->bs_size;
+ }
+
+ memcpy(dec->bs_ptr, buffers[i], sizes[i]);
+ dec->bs_size += sizes[i];
+ dec->bs_ptr += sizes[i];
+ }
+}
+
+/**
+ * end decoding of the current frame
+ */
+static void radeon_dec_end_frame(struct pipe_video_codec *decoder,
+ struct pipe_video_buffer *target,
+ struct pipe_picture_desc *picture)
+{
+ struct radeon_decoder *dec = (struct radeon_decoder*)decoder;
+ struct pb_buffer *dt;
+ struct rvid_buffer *msg_fb_it_buf, *bs_buf;
+
+ assert(decoder);
+
+ if (!dec->bs_ptr)
+ return;
+
+ msg_fb_it_buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
+ bs_buf = &dec->bs_buffers[dec->cur_buffer];
+
+ memset(dec->bs_ptr, 0, align(dec->bs_size, 128) - dec->bs_size);
+ dec->ws->buffer_unmap(bs_buf->res->buf);
+
+ map_msg_fb_it_buf(dec);
+ dt = rvcn_dec_message_decode(dec);
+ rvcn_dec_message_feedback(dec);
+ send_msg_buf(dec);
+
+ send_cmd(dec, RDECODE_CMD_DPB_BUFFER, dec->dpb.res->buf, 0,
+ RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
+ if (dec->ctx.res)
+ send_cmd(dec, RDECODE_CMD_CONTEXT_BUFFER, dec->ctx.res->buf, 0,
+ RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
+ send_cmd(dec, RDECODE_CMD_BITSTREAM_BUFFER, bs_buf->res->buf,
+ 0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
+ send_cmd(dec, RDECODE_CMD_DECODING_TARGET_BUFFER, dt, 0,
+ RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM);
+ send_cmd(dec, RDECODE_CMD_FEEDBACK_BUFFER, msg_fb_it_buf->res->buf,
+ FB_BUFFER_OFFSET, RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT);
+ if (have_it(dec))
+ send_cmd(dec, RDECODE_CMD_IT_SCALING_TABLE_BUFFER, msg_fb_it_buf->res->buf,
+ FB_BUFFER_OFFSET + FB_BUFFER_SIZE, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
+ set_reg(dec, RDECODE_ENGINE_CNTL, 1);
+
+ flush(dec, RADEON_FLUSH_ASYNC);
+ next_buffer(dec);
+}
+
+/**
+ * flush any outstanding command buffers to the hardware
+ */
+static void radeon_dec_flush(struct pipe_video_codec *decoder)
+{
+}
+
+/**
+ * create and HW decoder
+ */
+struct pipe_video_codec *radeon_create_decoder(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 dpb_size, bs_buf_size, stream_type = 0;
+ struct radeon_decoder *dec;
+ int r, i;
+
+ switch(u_reduce_video_profile(templ->profile)) {
+ case PIPE_VIDEO_FORMAT_MPEG12:
+ if (templ->entrypoint > PIPE_VIDEO_ENTRYPOINT_BITSTREAM)
+ return vl_create_mpeg12_decoder(context, templ);
+ stream_type = RDECODE_CODEC_MPEG2_VLD;
+ break;
+ case PIPE_VIDEO_FORMAT_MPEG4:
+ width = align(width, VL_MACROBLOCK_WIDTH);
+ height = align(height, VL_MACROBLOCK_HEIGHT);
+ stream_type = RDECODE_CODEC_MPEG4;
+ break;
+ case PIPE_VIDEO_FORMAT_VC1:
+ stream_type = RDECODE_CODEC_VC1;
+ break;
+ case PIPE_VIDEO_FORMAT_MPEG4_AVC:
+ width = align(width, VL_MACROBLOCK_WIDTH);
+ height = align(height, VL_MACROBLOCK_HEIGHT);
+ stream_type = RDECODE_CODEC_H264_PERF;
+ break;
+ case PIPE_VIDEO_FORMAT_HEVC:
+ stream_type = RDECODE_CODEC_H265;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ dec = CALLOC_STRUCT(radeon_decoder);
+
+ if (!dec)
+ return NULL;
+
+ dec->base = *templ;
+ dec->base.context = context;
+ dec->base.width = width;
+ dec->base.height = height;
+
+ dec->base.destroy = radeon_dec_destroy;
+ dec->base.begin_frame = radeon_dec_begin_frame;
+ dec->base.decode_macroblock = radeon_dec_decode_macroblock;
+ dec->base.decode_bitstream = radeon_dec_decode_bitstream;
+ dec->base.end_frame = radeon_dec_end_frame;
+ dec->base.flush = radeon_dec_flush;
+
+ dec->stream_type = stream_type;
+ dec->stream_handle = rvid_alloc_stream_handle();
+ dec->screen = context->screen;
+ dec->ws = ws;
+ dec->cs = ws->cs_create(rctx->ctx, RING_VCN_DEC, 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) {
+ unsigned msg_fb_it_size = FB_BUFFER_OFFSET + FB_BUFFER_SIZE;
+ if (have_it(dec))
+ msg_fb_it_size += IT_SCALING_TABLE_SIZE;
+ if (!rvid_create_buffer(dec->screen, &dec->msg_fb_it_buffers[i],
+ msg_fb_it_size, PIPE_USAGE_STAGING)) {
+ RVID_ERR("Can't allocated message buffers.\n");
+ goto error;
+ }
+
+ if (!rvid_create_buffer(dec->screen, &dec->bs_buffers[i],
+ bs_buf_size, PIPE_USAGE_STAGING)) {
+ RVID_ERR("Can't allocated bitstream buffers.\n");
+ goto error;
+ }
+
+ rvid_clear_buffer(context, &dec->msg_fb_it_buffers[i]);
+ rvid_clear_buffer(context, &dec->bs_buffers[i]);
+ }
+
+ dpb_size = calc_dpb_size(dec);
+
+ if (!rvid_create_buffer(dec->screen, &dec->dpb, dpb_size, PIPE_USAGE_DEFAULT)) {
+ RVID_ERR("Can't allocated dpb.\n");
+ goto error;
+ }
+
+ rvid_clear_buffer(context, &dec->dpb);
+
+ if (dec->stream_type == RDECODE_CODEC_H264_PERF) {
+ unsigned ctx_size = calc_ctx_size_h264_perf(dec);
+ if (!rvid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
+ RVID_ERR("Can't allocated context buffer.\n");
+ goto error;
+ }
+ rvid_clear_buffer(context, &dec->ctx);
+ }
+
+ if (!rvid_create_buffer(dec->screen, &dec->sessionctx,
+ RDECODE_SESSION_CONTEXT_SIZE,
+ PIPE_USAGE_DEFAULT)) {
+ RVID_ERR("Can't allocated session ctx.\n");
+ goto error;
+ }
+ rvid_clear_buffer(context, &dec->sessionctx);
+
+ map_msg_fb_it_buf(dec);
+ rvcn_dec_message_create(dec);
+ send_msg_buf(dec);
+ 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) {
+ rvid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
+ rvid_destroy_buffer(&dec->bs_buffers[i]);
+ }
+
+ rvid_destroy_buffer(&dec->dpb);
+ rvid_destroy_buffer(&dec->ctx);
+ rvid_destroy_buffer(&dec->sessionctx);
+
+ FREE(dec);
+
+ return NULL;
+}
projects / mesa.git / commitdiff