generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

qsvenc: properly handle asynchronous encoding

Browse Source 
Wait for async_depth frames before syncing.
This commit is contained in:
Anton Khirnov 2015-07-14 18:16:26 +02:00
parent f5c4d38c78
commit 69b92f1b99
2 changed files with 82 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
libavcodec/qsvenc.c
View File

@ -197,6 +197,11 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
q->param.IOPattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
q->param.AsyncDepth = q->async_depth;
q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
(sizeof(AVPacket) + sizeof(mfxSyncPoint) + sizeof(mfxBitstream*)));
if (!q->async_fifo)
return AVERROR(ENOMEM);
if (avctx->hwaccel_context) {
AVQSVContext *qsv = avctx->hwaccel_context;
@ -371,7 +376,8 @@ static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
AVPacket *pkt, const AVFrame *frame, int *got_packet)
{
mfxBitstream bs = { { { 0 } } };
AVPacket new_pkt = { 0 };
mfxBitstream *bs;
mfxFrameSurface1 *surf = NULL;
mfxSyncPoint sync = NULL;
@ -385,43 +391,86 @@ int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
}
}
ret = ff_alloc_packet(pkt, q->packet_size);
ret = av_new_packet(&new_pkt, q->packet_size);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
return ret;
}
bs.Data = pkt->data;
bs.MaxLength = pkt->size;
bs = av_mallocz(sizeof(*bs));
if (!bs) {
av_packet_unref(&new_pkt);
return AVERROR(ENOMEM);
}
bs->Data = new_pkt.data;
bs->MaxLength = new_pkt.size;
do {
ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, &bs, &sync);
ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, &sync);
if (ret == MFX_WRN_DEVICE_BUSY)
av_usleep(1);
} while (ret > 0);
if (ret < 0)
if (ret < 0) {
av_packet_unref(&new_pkt);
av_freep(&bs);
return (ret == MFX_ERR_MORE_DATA) ? 0 : ff_qsv_error(ret);
}
if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
print_interlace_msg(avctx, q);
if (sync) {
av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
} else {
av_packet_unref(&new_pkt);
av_freep(&bs);
}
if (!av_fifo_space(q->async_fifo) ||
(!frame && av_fifo_size(q->async_fifo))) {
av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
MFXVideoCORE_SyncOperation(q->session, sync, 60000);
if (bs.FrameType & MFX_FRAMETYPE_I || bs.FrameType & MFX_FRAMETYPE_xI)
new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
new_pkt.size = bs->DataLength;
if (bs->FrameType & MFX_FRAMETYPE_IDR ||
bs->FrameType & MFX_FRAMETYPE_xIDR)
new_pkt.flags |= AV_PKT_FLAG_KEY;
if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
else if (bs.FrameType & MFX_FRAMETYPE_P || bs.FrameType & MFX_FRAMETYPE_xP)
else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
else if (bs.FrameType & MFX_FRAMETYPE_B || bs.FrameType & MFX_FRAMETYPE_xB)
else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
pkt->dts = av_rescale_q(bs.DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
pkt->pts = av_rescale_q(bs.TimeStamp, (AVRational){1, 90000}, avctx->time_base);
pkt->size = bs.DataLength;
av_freep(&bs);
if (bs.FrameType & MFX_FRAMETYPE_IDR ||
bs.FrameType & MFX_FRAMETYPE_xIDR)
pkt->flags |= AV_PKT_FLAG_KEY;
if (pkt->data) {
if (pkt->size < new_pkt.size) {
av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
pkt->size, new_pkt.size);
av_packet_unref(&new_pkt);
return AVERROR(EINVAL);
}
memcpy(pkt->data, new_pkt.data, new_pkt.size);
pkt->size = new_pkt.size;
ret = av_packet_copy_props(pkt, &new_pkt);
av_packet_unref(&new_pkt);
if (ret < 0)
return ret;
} else
*pkt = new_pkt;
*got_packet = 1;
}
@ -447,6 +496,21 @@ int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
cur = q->work_frames;
}
while (q->async_fifo && av_fifo_size(q->async_fifo)) {
AVPacket pkt;
mfxSyncPoint sync;
mfxBitstream *bs;
av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
av_freep(&bs);
av_packet_unref(&pkt);
}
av_fifo_free(q->async_fifo);
q->async_fifo = NULL;
av_frame_free(&avctx->coded_frame);
return 0;

3
libavcodec/qsvenc.h
View File

@ -29,6 +29,7 @@
#include <mfx/mfxvideo.h>
#include "libavutil/avutil.h"
#include "libavutil/fifo.h"
#include "avcodec.h"
#include "qsv_internal.h"
@ -50,6 +51,8 @@ typedef struct QSVEncContext {
mfxExtCodingOption extco;
mfxExtBuffer *extparam[1];
AVFifoBuffer *async_fifo;
// options set by the caller
int async_depth;
int idr_interval;