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avcodec/qsv: fix async support

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Current implementations of qsv components incorrectly work with async level, they
actually try to work in async+1 level stepping into MFX_WRN_DEVICE_BUSY and polling
loop. This change address this misbehaviour.

Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Cc: Maxym Dmytrychenko <maxim.d33@gmail.com>
Cc: Zhong Li <zhong.li@intel.com>
Signed-off-by: Maxym Dmytrychenko <maxim.d33@gmail.com>
pull/303/head^2
Dmitry Rogozhkin 7 years ago committed by Maxym Dmytrychenko
parent f25117a428
commit c1bcd321ea
5 changed files with 29 additions and 11 deletions
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  1. 15
      libavcodec/qsvdec.c
  2. 4
      libavcodec/qsvdec_h2645.c
  3. 2
      libavcodec/qsvdec_other.c
  4. 17
      libavcodec/qsvenc.c
  5. 2
      libavcodec/qsvenc.h

15
libavcodec/qsvdec.c
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@ -110,6 +110,16 @@ static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession ses
return 0;
}
static inline unsigned int qsv_fifo_item_size(void)
{
return sizeof(mfxSyncPoint*) + sizeof(QSVFrame*);
}
static inline unsigned int qsv_fifo_size(const AVFifoBuffer* fifo)
{
return av_fifo_size(fifo) / qsv_fifo_item_size();
}
static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
{
const AVPixFmtDescriptor *desc;
@ -125,8 +135,7 @@ static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
return AVERROR_BUG;
if (!q->async_fifo) {
q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
(sizeof(mfxSyncPoint*) + sizeof(QSVFrame*)));
q->async_fifo = av_fifo_alloc(q->async_depth * qsv_fifo_item_size());
if (!q->async_fifo)
return AVERROR(ENOMEM);
}
@ -384,7 +393,7 @@ static int qsv_decode(AVCodecContext *avctx, QSVContext *q,
av_freep(&sync);
}
if (!av_fifo_space(q->async_fifo) ||
if ((qsv_fifo_size(q->async_fifo) >= q->async_depth) ||
(!avpkt->size && av_fifo_size(q->async_fifo))) {
AVFrame *src_frame;

4
libavcodec/qsvdec_h2645.c
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@ -186,7 +186,7 @@ static void qsv_decode_flush(AVCodecContext *avctx)
#if CONFIG_HEVC_QSV_DECODER
static const AVOption hevc_options[] = {
{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VD },
{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD },
{ "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_DEFAULT }, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VD, "load_plugin" },
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE }, 0, 0, VD, "load_plugin" },
@ -229,7 +229,7 @@ AVCodec ff_hevc_qsv_decoder = {
#if CONFIG_H264_QSV_DECODER
static const AVOption options[] = {
{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VD },
{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD },
{ NULL },
};

2
libavcodec/qsvdec_other.c
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@ -159,7 +159,7 @@ static void qsv_decode_flush(AVCodecContext *avctx)
#define OFFSET(x) offsetof(QSVOtherContext, x)
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VD },
{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD },
{ NULL },
};

17
libavcodec/qsvenc.c
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@ -802,7 +802,7 @@ static int qsv_init_opaque_alloc(AVCodecContext *avctx, QSVEncContext *q)
mfxFrameSurface1 *surfaces;
int nb_surfaces, i;
nb_surfaces = qsv->nb_opaque_surfaces + q->req.NumFrameSuggested + q->async_depth;
nb_surfaces = qsv->nb_opaque_surfaces + q->req.NumFrameSuggested;
q->opaque_alloc_buf = av_buffer_allocz(sizeof(*surfaces) * nb_surfaces);
if (!q->opaque_alloc_buf)
@ -873,6 +873,16 @@ static int qsvenc_init_session(AVCodecContext *avctx, QSVEncContext *q)
return 0;
}
static inline unsigned int qsv_fifo_item_size(void)
{
return sizeof(AVPacket) + sizeof(mfxSyncPoint*) + sizeof(mfxBitstream*);
}
static inline unsigned int qsv_fifo_size(const AVFifoBuffer* fifo)
{
return av_fifo_size(fifo)/qsv_fifo_item_size();
}
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
{
int iopattern = 0;
@ -881,8 +891,7 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
q->param.AsyncDepth = q->async_depth;
q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
(sizeof(AVPacket) + sizeof(mfxSyncPoint*) + sizeof(mfxBitstream*)));
q->async_fifo = av_fifo_alloc(q->async_depth * qsv_fifo_item_size());
if (!q->async_fifo)
return AVERROR(ENOMEM);
@ -1212,7 +1221,7 @@ int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
if (ret < 0)
return ret;
if (!av_fifo_space(q->async_fifo) ||
if ((qsv_fifo_size(q->async_fifo) >= q->async_depth) ||
(!frame && av_fifo_size(q->async_fifo))) {
AVPacket new_pkt;
mfxBitstream *bs;

2
libavcodec/qsvenc.h
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@ -66,7 +66,7 @@
#endif
#define QSV_COMMON_OPTS \
{ "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE }, \
{ "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VE }, \
{ "avbr_accuracy", "Accuracy of the AVBR ratecontrol", OFFSET(qsv.avbr_accuracy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
{ "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
{ "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7, VE, "preset" }, \

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