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radeon/vcn: add create encoder

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Add implementation for create_encoder interface for vcn encode.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Boyuan Zhang 2017-11-08 11:24:09 -05:00 • committed by Leo Liu
parent 3c53fbbc87
commit fe50797d93
1 changed files with 81 additions and 1 deletions
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82
src/gallium/drivers/radeon/radeon_vcn_enc.c
View file

@ -221,5 +221,85 @@ struct pipe_video_codec *radeon_create_encoder(struct pipe_context *context,
struct radeon_winsys* ws,
radeon_enc_get_buffer get_buffer)
{
/* TODO*/
struct r600_common_screen *rscreen = (struct r600_common_screen *)context->screen;
struct r600_common_context *rctx = (struct r600_common_context*)context;
struct radeon_encoder *enc;
struct pipe_video_buffer *tmp_buf, templat = {};
struct radeon_surf *tmp_surf;
unsigned cpb_size;
enc = CALLOC_STRUCT(radeon_encoder);
if (!enc)
return NULL;
enc->alignment = 256;
enc->base = *templ;
enc->base.context = context;
enc->base.destroy = radeon_enc_destroy;
enc->base.begin_frame = radeon_enc_begin_frame;
enc->base.encode_bitstream = radeon_enc_encode_bitstream;
enc->base.end_frame = radeon_enc_end_frame;
enc->base.flush = radeon_enc_flush;
enc->base.get_feedback = radeon_enc_get_feedback;
enc->get_buffer = get_buffer;
enc->bits_in_shifter = 0;
enc->screen = context->screen;
enc->ws = ws;
enc->cs = ws->cs_create(rctx->ctx, RING_VCN_ENC, radeon_enc_cs_flush, enc);
if (!enc->cs) {
RVID_ERR("Can't get command submission context.\n");
goto error;
}
struct rvid_buffer si;
si_vid_create_buffer(enc->screen, &si, 128 * 1024, PIPE_USAGE_STAGING);
enc->si = &si;
templat.buffer_format = PIPE_FORMAT_NV12;
templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
templat.width = enc->base.width;
templat.height = enc->base.height;
templat.interlaced = false;
if (!(tmp_buf = context->create_video_buffer(context, &templat))) {
RVID_ERR("Can't create video buffer.\n");
goto error;
}
enc->cpb_num = get_cpb_num(enc);
if (!enc->cpb_num)
goto error;
get_buffer(((struct vl_video_buffer *)tmp_buf)->resources[0], NULL, &tmp_surf);
cpb_size = (rscreen->chip_class < GFX9) ?
align(tmp_surf->u.legacy.level[0].nblk_x * tmp_surf->bpe, 128) *
align(tmp_surf->u.legacy.level[0].nblk_y, 32) :
align(tmp_surf->u.gfx9.surf_pitch * tmp_surf->bpe, 256) *
align(tmp_surf->u.gfx9.surf_height, 32);
cpb_size = cpb_size * 3 / 2;
cpb_size = cpb_size * enc->cpb_num;
tmp_buf->destroy(tmp_buf);
if (!si_vid_create_buffer(enc->screen, &enc->cpb, cpb_size, PIPE_USAGE_DEFAULT)) {
RVID_ERR("Can't create CPB buffer.\n");
goto error;
}
radeon_enc_1_2_init(enc);
return &enc->base;
error:
if (enc->cs)
enc->ws->cs_destroy(enc->cs);
si_vid_destroy_buffer(&enc->cpb);
FREE(enc);
return NULL;
}