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libavcodec/qsvdec_h264.c: SPS parsing is now performed by MFXVideoDECODE_DecodeHeader() in libavcodec/qsvdec.c 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
tags/n2.8
Ivan Uskov Michael Niedermayer 10 years ago
parent
f467fc02b4
commit
1acb19d12b
3 changed files with 58 additions and 114 deletions
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  1. +50
    -30
      libavcodec/qsvdec.c
  2. +1
    -1
      libavcodec/qsvdec.h
  3. +7
    -83
      libavcodec/qsvdec_h264.c

+ 50
- 30
libavcodec/qsvdec.c View File

@@ -49,54 +49,60 @@ int ff_qsv_map_pixfmt(enum AVPixelFormat format)
}
}

int ff_qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
int ff_qsv_decode_init(AVCodecContext *avctx, QSVContext *q, AVPacket *avpkt)
{
mfxVideoParam param = { { 0 } };
mfxBitstream bs = { { { 0 } } };
int ret;

q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
(sizeof(mfxSyncPoint) + sizeof(QSVFrame*)));
if (!q->async_fifo)
return AVERROR(ENOMEM);

q->iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
if (!q->session) {
if (avctx->hwaccel_context) {
AVQSVContext *qsv = avctx->hwaccel_context;

if (avctx->hwaccel_context) {
AVQSVContext *qsv = avctx->hwaccel_context;
q->session = qsv->session;
q->iopattern = qsv->iopattern;
q->ext_buffers = qsv->ext_buffers;
q->nb_ext_buffers = qsv->nb_ext_buffers;
}
if (!q->session) {
ret = ff_qsv_init_internal_session(avctx, &q->internal_qs, NULL);
if (ret < 0)
return ret;

q->session = qsv->session;
q->iopattern = qsv->iopattern;
q->ext_buffers = qsv->ext_buffers;
q->nb_ext_buffers = qsv->nb_ext_buffers;
q->session = q->internal_qs.session;
}
}
if (!q->session) {
ret = ff_qsv_init_internal_session(avctx, &q->internal_qs, NULL);
if (ret < 0)
return ret;

q->session = q->internal_qs.session;
}
if (avpkt->size) {
bs.Data = avpkt->data;
bs.DataLength = avpkt->size;
bs.MaxLength = bs.DataLength;
bs.TimeStamp = avpkt->pts;
} else
return AVERROR_INVALIDDATA;

ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
if (ret < 0)
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Unsupported codec_id %08x\n", avctx->codec_id);
return ret;
}

param.mfx.CodecId = ret;
param.mfx.CodecProfile = avctx->profile;
param.mfx.CodecLevel = avctx->level;

param.mfx.FrameInfo.BitDepthLuma = 8;
param.mfx.FrameInfo.BitDepthChroma = 8;
param.mfx.FrameInfo.Shift = 0;
param.mfx.FrameInfo.FourCC = MFX_FOURCC_NV12;
param.mfx.FrameInfo.Width = avctx->coded_width;
param.mfx.FrameInfo.Height = avctx->coded_height;
param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
param.mfx.CodecId = ret;

ret = MFXVideoDECODE_DecodeHeader(q->session, &bs, &param);
if (MFX_ERR_MORE_DATA==ret) {
return AVERROR(EAGAIN);
} else if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Decode header error %d\n", ret);
return ff_qsv_error(ret);
}
param.IOPattern = q->iopattern;
param.AsyncDepth = q->async_depth;
param.ExtParam = q->ext_buffers;
param.NumExtParam = q->nb_ext_buffers;
param.mfx.FrameInfo.BitDepthLuma = 8;
param.mfx.FrameInfo.BitDepthChroma = 8;

ret = MFXVideoDECODE_Init(q->session, &param);
if (ret < 0) {
@@ -104,6 +110,20 @@ int ff_qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
return ff_qsv_error(ret);
}

avctx->pix_fmt = AV_PIX_FMT_NV12;
avctx->profile = param.mfx.CodecProfile;
avctx->level = param.mfx.CodecLevel;
avctx->coded_width = param.mfx.FrameInfo.Width;
avctx->coded_height = param.mfx.FrameInfo.Height;
avctx->width = param.mfx.FrameInfo.CropW - param.mfx.FrameInfo.CropX;
avctx->height = param.mfx.FrameInfo.CropH - param.mfx.FrameInfo.CropY;

q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
(sizeof(mfxSyncPoint) + sizeof(QSVFrame*)));
if (!q->async_fifo)
return AVERROR(ENOMEM);


return 0;
}



+ 1
- 1
libavcodec/qsvdec.h View File

@@ -60,7 +60,7 @@ typedef struct QSVContext {

int ff_qsv_map_pixfmt(enum AVPixelFormat format);

int ff_qsv_decode_init(AVCodecContext *s, QSVContext *q);
int ff_qsv_decode_init(AVCodecContext *s, QSVContext *q, AVPacket *avpkt);

int ff_qsv_decode(AVCodecContext *s, QSVContext *q,
AVFrame *frame, int *got_frame,


+ 7
- 83
libavcodec/qsvdec_h264.c View File

@@ -39,11 +39,6 @@ typedef struct QSVH264Context {
AVClass *class;
QSVContext qsv;

// the internal parser and codec context for parsing the data
AVCodecParserContext *parser;
AVCodecContext *avctx_internal;
enum AVPixelFormat orig_pix_fmt;

// the filter for converting to Annex B
AVBitStreamFilterContext *bsf;

@@ -79,8 +74,6 @@ static av_cold int qsv_decode_close(AVCodecContext *avctx)
av_fifo_free(s->packet_fifo);

av_bitstream_filter_close(s->bsf);
av_parser_close(s->parser);
avcodec_free_context(&s->avctx_internal);

return 0;
}
@@ -90,8 +83,6 @@ static av_cold int qsv_decode_init(AVCodecContext *avctx)
QSVH264Context *s = avctx->priv_data;
int ret;

s->orig_pix_fmt = AV_PIX_FMT_NONE;

s->packet_fifo = av_fifo_alloc(sizeof(AVPacket));
if (!s->packet_fifo) {
ret = AVERROR(ENOMEM);
@@ -104,30 +95,6 @@ static av_cold int qsv_decode_init(AVCodecContext *avctx)
goto fail;
}

s->avctx_internal = avcodec_alloc_context3(NULL);
if (!s->avctx_internal) {
ret = AVERROR(ENOMEM);
goto fail;
}

if (avctx->extradata) {
s->avctx_internal->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!s->avctx_internal->extradata) {
ret = AVERROR(ENOMEM);
goto fail;
}
memcpy(s->avctx_internal->extradata, avctx->extradata,
avctx->extradata_size);
s->avctx_internal->extradata_size = avctx->extradata_size;
}

s->parser = av_parser_init(AV_CODEC_ID_H264);
if (!s->parser) {
ret = AVERROR(ENOMEM);
goto fail;
}
s->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;

return 0;
fail:
qsv_decode_close(avctx);
@@ -138,60 +105,18 @@ static int qsv_process_data(AVCodecContext *avctx, AVFrame *frame,
int *got_frame, AVPacket *pkt)
{
QSVH264Context *s = avctx->priv_data;
uint8_t *dummy_data;
int dummy_size;
int ret;

/* we assume the packets are already split properly and want
* just the codec parameters here */
av_parser_parse2(s->parser, s->avctx_internal,
&dummy_data, &dummy_size,
pkt->data, pkt->size, pkt->pts, pkt->dts,
pkt->pos);

/* TODO: flush delayed frames on reinit */
if (s->parser->format != s->orig_pix_fmt ||
s->parser->coded_width != avctx->coded_width ||
s->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(s->parser->format);
if (qsv_format < 0) {
av_log(avctx, AV_LOG_ERROR,
"Only 8-bit YUV420 streams are supported.\n");
ret = AVERROR(ENOSYS);
goto reinit_fail;
}

s->orig_pix_fmt = s->parser->format;
avctx->pix_fmt = pix_fmts[1] = qsv_format;
avctx->width = s->parser->width;
avctx->height = s->parser->height;
avctx->coded_width = s->parser->coded_width;
avctx->coded_height = s->parser->coded_height;
avctx->level = s->avctx_internal->level;
avctx->profile = s->avctx_internal->profile;

ret = ff_get_format(avctx, pix_fmts);
if (!s->qsv.session || AV_PIX_FMT_NONE==avctx->pix_fmt) {
ret = ff_qsv_decode_init(avctx, &s->qsv, pkt);
/* consume packet without a header */
if (AVERROR(EAGAIN)==ret)
return pkt->size;
if (ret < 0)
goto reinit_fail;

avctx->pix_fmt = ret;

ret = ff_qsv_decode_init(avctx, &s->qsv);
if (ret < 0)
goto reinit_fail;
return ret;
}

return ff_qsv_decode(avctx, &s->qsv, frame, got_frame, &s->pkt_filtered);

reinit_fail:
s->orig_pix_fmt = s->parser->format = avctx->pix_fmt = AV_PIX_FMT_NONE;
return ret;
return ff_qsv_decode(avctx, &s->qsv, frame, got_frame, pkt);
}

static int qsv_decode_frame(AVCodecContext *avctx, void *data,
@@ -262,7 +187,6 @@ static void qsv_decode_flush(AVCodecContext *avctx)
QSVH264Context *s = avctx->priv_data;

qsv_clear_buffers(s);
s->orig_pix_fmt = AV_PIX_FMT_NONE;
}

AVHWAccel ff_h264_qsv_hwaccel = {


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