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vp9: add hwaccel hooks

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This commit is contained in:
Hendrik Leppkes 2015-12-03 11:10:33 +01:00
parent cd1b7e2bd7
commit 585083dd1f
2 changed files with 95 additions and 38 deletions
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130
libavcodec/vp9.c
View File

@ -168,6 +168,15 @@ static const uint8_t bwh_tab[2][N_BS_SIZES][2] = {
}
};
static void vp9_unref_frame(AVCodecContext *ctx, VP9Frame *f)
{
ff_thread_release_buffer(ctx, &f->tf);
av_buffer_unref(&f->extradata);
av_buffer_unref(&f->hwaccel_priv_buf);
f->segmentation_map = NULL;
f->hwaccel_picture_private = NULL;
}
static int vp9_alloc_frame(AVCodecContext *ctx, VP9Frame *f)
{
VP9Context *s = ctx->priv_data;
@ -177,21 +186,28 @@ static int vp9_alloc_frame(AVCodecContext *ctx, VP9Frame *f)
return ret;
sz = 64 * s->sb_cols * s->sb_rows;
if (!(f->extradata = av_buffer_allocz(sz * (1 + sizeof(struct VP9mvrefPair))))) {
ff_thread_release_buffer(ctx, &f->tf);
return AVERROR(ENOMEM);
goto fail;
}
f->segmentation_map = f->extradata->data;
f->mv = (struct VP9mvrefPair *) (f->extradata->data + sz);
return 0;
}
if (ctx->hwaccel) {
const AVHWAccel *hwaccel = ctx->hwaccel;
av_assert0(!f->hwaccel_picture_private);
if (hwaccel->frame_priv_data_size) {
f->hwaccel_priv_buf = av_buffer_allocz(hwaccel->frame_priv_data_size);
if (!f->hwaccel_priv_buf)
goto fail;
f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
}
}
static void vp9_unref_frame(AVCodecContext *ctx, VP9Frame *f)
{
ff_thread_release_buffer(ctx, &f->tf);
av_buffer_unref(&f->extradata);
f->segmentation_map = NULL;
return 0;
fail:
vp9_unref_frame(ctx, f);
return AVERROR(ENOMEM);
}
static int vp9_ref_frame(AVCodecContext *ctx, VP9Frame *dst, VP9Frame *src)
@ -201,19 +217,31 @@ static int vp9_ref_frame(AVCodecContext *ctx, VP9Frame *dst, VP9Frame *src)
if ((res = ff_thread_ref_frame(&dst->tf, &src->tf)) < 0) {
return res;
} else if (!(dst->extradata = av_buffer_ref(src->extradata))) {
vp9_unref_frame(ctx, dst);
return AVERROR(ENOMEM);
goto fail;
}
dst->segmentation_map = src->segmentation_map;
dst->mv = src->mv;
dst->uses_2pass = src->uses_2pass;
if (src->hwaccel_picture_private) {
dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
if (!dst->hwaccel_priv_buf)
goto fail;
dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
}
return 0;
fail:
vp9_unref_frame(ctx, dst);
return AVERROR(ENOMEM);
}
static int update_size(AVCodecContext *ctx, int w, int h)
{
#define HWACCEL_MAX (0)
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
VP9Context *s = ctx->priv_data;
uint8_t *p;
int bytesperpixel = s->bytesperpixel, res;
@ -225,7 +253,16 @@ static int update_size(AVCodecContext *ctx, int w, int h)
if ((res = ff_set_dimensions(ctx, w, h)) < 0)
return res;
s->last_fmt = ctx->pix_fmt = s->pix_fmt;
*fmtp++ = s->pix_fmt;
*fmtp = AV_PIX_FMT_NONE;
res = ff_thread_get_format(ctx, pix_fmts);
if (res < 0)
return res;
ctx->pix_fmt = res;
s->last_fmt = s->pix_fmt;
s->sb_cols = (w + 63) >> 6;
s->sb_rows = (h + 63) >> 6;
s->cols = (w + 7) >> 3;
@ -573,32 +610,6 @@ static int decode_frame_header(AVCodecContext *ctx,
s->s.h.varcompref[1] = 2;
}
}
for (i = 0; i < 3; i++) {
AVFrame *ref = s->s.refs[s->s.h.refidx[i]].f;
int refw = ref->width, refh = ref->height;
if (ref->format != s->pix_fmt) {
av_log(ctx, AV_LOG_ERROR,
"Ref pixfmt (%s) did not match current frame (%s)",
av_get_pix_fmt_name(ref->format),
av_get_pix_fmt_name(s->pix_fmt));
return AVERROR_INVALIDDATA;
} else if (refw == w && refh == h) {
s->mvscale[i][0] = s->mvscale[i][1] = 0;
} else {
if (w * 2 < refw || h * 2 < refh || w > 16 * refw || h > 16 * refh) {
av_log(ctx, AV_LOG_ERROR,
"Invalid ref frame dimensions %dx%d for frame size %dx%d\n",
refw, refh, w, h);
return AVERROR_INVALIDDATA;
}
s->mvscale[i][0] = (refw << 14) / w;
s->mvscale[i][1] = (refh << 14) / h;
s->mvstep[i][0] = 16 * s->mvscale[i][0] >> 14;
s->mvstep[i][1] = 16 * s->mvscale[i][1] >> 14;
}
}
}
}
s->s.h.refreshctx = s->s.h.errorres ? 0 : get_bits1(&s->gb);
@ -749,6 +760,35 @@ static int decode_frame_header(AVCodecContext *ctx,
}
}
/* check reference frames */
if (!s->s.h.keyframe && !s->s.h.intraonly) {
for (i = 0; i < 3; i++) {
AVFrame *ref = s->s.refs[s->s.h.refidx[i]].f;
int refw = ref->width, refh = ref->height;
if (ref->format != ctx->pix_fmt) {
av_log(ctx, AV_LOG_ERROR,
"Ref pixfmt (%s) did not match current frame (%s)",
av_get_pix_fmt_name(ref->format),
av_get_pix_fmt_name(ctx->pix_fmt));
return AVERROR_INVALIDDATA;
} else if (refw == w && refh == h) {
s->mvscale[i][0] = s->mvscale[i][1] = 0;
} else {
if (w * 2 < refw || h * 2 < refh || w > 16 * refw || h > 16 * refh) {
av_log(ctx, AV_LOG_ERROR,
"Invalid ref frame dimensions %dx%d for frame size %dx%d\n",
refw, refh, w, h);
return AVERROR_INVALIDDATA;
}
s->mvscale[i][0] = (refw << 14) / w;
s->mvscale[i][1] = (refh << 14) / h;
s->mvstep[i][0] = 16 * s->mvscale[i][0] >> 14;
s->mvstep[i][1] = 16 * s->mvscale[i][1] >> 14;
}
}
}
if (s->s.h.keyframe || s->s.h.errorres || (s->s.h.intraonly && s->s.h.resetctx == 3)) {
s->prob_ctx[0].p = s->prob_ctx[1].p = s->prob_ctx[2].p =
s->prob_ctx[3].p = vp9_default_probs;
@ -3979,6 +4019,19 @@ static int vp9_decode_frame(AVCodecContext *ctx, void *frame,
return res;
}
if (ctx->hwaccel) {
res = ctx->hwaccel->start_frame(ctx, NULL, 0);
if (res < 0)
return res;
res = ctx->hwaccel->decode_slice(ctx, pkt->data, pkt->size);
if (res < 0)
return res;
res = ctx->hwaccel->end_frame(ctx);
if (res < 0)
return res;
goto finish;
}
// main tile decode loop
bytesperpixel = s->bytesperpixel;
memset(s->above_partition_ctx, 0, s->cols);
@ -4148,6 +4201,7 @@ static int vp9_decode_frame(AVCodecContext *ctx, void *frame,
} while (s->pass++ == 1);
ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
finish:
// ref frame setup
for (i = 0; i < 8; i++) {
if (s->s.refs[i].f->buf[0])

3
libavcodec/vp9.h
View File

@ -129,6 +129,9 @@ typedef struct VP9Frame {
uint8_t *segmentation_map;
struct VP9mvrefPair *mv;
int uses_2pass;
AVBufferRef *hwaccel_priv_buf;
void *hwaccel_picture_private;
} VP9Frame;
typedef struct VP9BitstreamHeader {