int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q,
AVFrame *frame, int *got_frame, AVPacket *pkt)
{
uint8_t *dummy_data;
int dummy_size;
int ret;
if (!q->avctx_internal) {
q->avctx_internal = avcodec_alloc_context3(NULL);
if (!q->avctx_internal)
return AVERROR(ENOMEM);
if (avctx->extradata) {
q->avctx_internal->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!q->avctx_internal->extradata)
return AVERROR(ENOMEM);
memcpy(q->avctx_internal->extradata, avctx->extradata,
avctx->extradata_size);
q->avctx_internal->extradata_size = avctx->extradata_size;
}
q->parser = av_parser_init(avctx->codec_id);
if (!q->parser)
return AVERROR(ENOMEM);
q->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;
q->orig_pix_fmt = AV_PIX_FMT_NONE;
}
if (!pkt->size)
return qsv_decode(avctx, q, frame, got_frame, pkt);
/* we assume the packets are already split properly and want
* just the codec parameters here */
av_parser_parse2(q->parser, q->avctx_internal,
&dummy_data, &dummy_size,
pkt->data, pkt->size, pkt->pts, pkt->dts,
pkt->pos);
/* TODO: flush delayed frames on reinit */
if (q->parser->format != q->orig_pix_fmt ||
q->parser->coded_width != avctx->coded_width ||
q->parser->coded_height != avctx->coded_height) {
enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_QSV,
AV_PIX_FMT_NONE,
AV_PIX_FMT_NONE };
enum AVPixelFormat qsv_format;
qsv_format = ff_qsv_map_pixfmt(q->parser->format, &q->fourcc);
if (qsv_format < 0) {
av_log(avctx, AV_LOG_ERROR,
"Decoding pixel format '%s' is not supported\n",
av_get_pix_fmt_name(q->parser->format));
ret = AVERROR(ENOSYS);
goto reinit_fail;
}
q->orig_pix_fmt = q->parser->format;
avctx->pix_fmt = pix_fmts[1] = qsv_format;
avctx->width = q->parser->width;
avctx->height = q->parser->height;
avctx->coded_width = q->parser->coded_width;
avctx->coded_height = q->parser->coded_height;
avctx->level = q->avctx_internal->level;
avctx->profile = q->avctx_internal->profile;
ret = ff_get_format(avctx, pix_fmts);
if (ret < 0)
goto reinit_fail;
avctx->pix_fmt = ret;
ret = qsv_decode_init(avctx, q);
if (ret < 0)
goto reinit_fail;
}
return qsv_decode(avctx, q, frame, got_frame, pkt);
reinit_fail:
q->orig_pix_fmt = q->parser->format = avctx->pix_fmt = AV_PIX_FMT_NONE;
return ret;
}
static int do_qsv_decode(AVCodecContext *avctx, QSVContext *q,
AVFrame *frame, int *got_frame,
AVPacket *avpkt)
{
QSVFrame *out_frame;
mfxFrameSurface1 *insurf;
mfxFrameSurface1 *outsurf;
mfxSyncPoint sync;
mfxBitstream bs = { { { 0 } } };
int ret;
int n_out_frames;
int buffered = 0;
int flush = !avpkt->size || q->reinit_pending;
if (!q->engine_ready) {
ret = qsv_decode_init(avctx, q, avpkt);
if (ret)
return ret;
}
if (!flush) {
if (av_fifo_size(q->input_fifo)) {
/* we have got rest of previous packet into buffer */
if (av_fifo_space(q->input_fifo) < avpkt->size) {
ret = av_fifo_grow(q->input_fifo, avpkt->size);
if (ret < 0)
return ret;
}
av_fifo_generic_write(q->input_fifo, avpkt->data, avpkt->size, NULL);
bs.Data = q->input_fifo->rptr;
bs.DataLength = av_fifo_size(q->input_fifo);
buffered = 1;
} else {
bs.Data = avpkt->data;
bs.DataLength = avpkt->size;
}
bs.MaxLength = bs.DataLength;
bs.TimeStamp = avpkt->pts;
}
while (1) {
ret = get_surface(avctx, q, &insurf);
if (ret < 0)
return ret;
do {
ret = MFXVideoDECODE_DecodeFrameAsync(q->session, flush ? NULL : &bs,
insurf, &outsurf, &sync);
if (ret != MFX_WRN_DEVICE_BUSY)
break;
av_usleep(500);
} while (1);
if (MFX_WRN_VIDEO_PARAM_CHANGED==ret) {
/* TODO: handle here minor sequence header changing */
} else if (MFX_ERR_INCOMPATIBLE_VIDEO_PARAM==ret) {
av_fifo_reset(q->input_fifo);
flush = q->reinit_pending = 1;
continue;
}
if (sync) {
QSVFrame *out_frame = find_frame(q, outsurf);
if (!out_frame) {
av_log(avctx, AV_LOG_ERROR,
"The returned surface does not correspond to any frame\n");
return AVERROR_BUG;
}
out_frame->queued = 1;
av_fifo_generic_write(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
continue;
}
if (MFX_ERR_MORE_SURFACE != ret && ret < 0)
break;
}
/* make sure we do not enter an infinite loop if the SDK
* did not consume any data and did not return anything */
if (!sync && !bs.DataOffset && !flush) {
av_log(avctx, AV_LOG_WARNING, "A decode call did not consume any data\n");
bs.DataOffset = avpkt->size;
}
if (buffered) {
qsv_fifo_relocate(q->input_fifo, bs.DataOffset);
} else if (bs.DataOffset!=avpkt->size) {
/* some data of packet was not consumed. store it to local buffer */
av_fifo_generic_write(q->input_fifo, avpkt->data+bs.DataOffset,
avpkt->size - bs.DataOffset, NULL);
}
if (MFX_ERR_MORE_DATA!=ret && ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error %d during QSV decoding.\n", ret);
return ff_qsv_error(ret);
}
n_out_frames = av_fifo_size(q->async_fifo) / (sizeof(out_frame)+sizeof(sync));
if (n_out_frames > q->async_depth || (flush && n_out_frames) ) {
AVFrame *src_frame;
av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
out_frame->queued = 0;
MFXVideoCORE_SyncOperation(q->session, sync, 60000);
src_frame = out_frame->frame;
ret = av_frame_ref(frame, src_frame);
if (ret < 0)
return ret;
outsurf = out_frame->surface;
frame->pkt_pts = frame->pts = outsurf->Data.TimeStamp;
frame->repeat_pict =
outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 :
outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_DOUBLING ? 2 :
outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_REPEATED ? 1 : 0;
frame->top_field_first =
outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF;
frame->interlaced_frame =
!(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE);
*got_frame = 1;
}
return avpkt->size;
}
