#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "libavutil/time.h"
+#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "internal.h"
+#include "decode.h"
#include "qsv.h"
#include "qsv_internal.h"
#include "qsvdec.h"
NULL
};
+static int ff_qsv_get_continuous_buffer(AVCodecContext *avctx, AVFrame *frame, AVBufferPool *pool)
+{
+ int ret = 0;
+
+ ff_decode_frame_props(avctx, frame);
+
+ frame->width = avctx->width;
+ frame->height = avctx->height;
+
+ switch (avctx->pix_fmt) {
+ case AV_PIX_FMT_NV12:
+ frame->linesize[0] = FFALIGN(avctx->width, 128);
+ break;
+ case AV_PIX_FMT_P010:
+ frame->linesize[0] = 2 * FFALIGN(avctx->width, 128);
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
+ return AVERROR(EINVAL);
+ }
+
+ frame->linesize[1] = frame->linesize[0];
+ frame->buf[0] = av_buffer_pool_get(pool);
+ if (!frame->buf[0])
+ return AVERROR(ENOMEM);
+
+ frame->data[0] = frame->buf[0]->data;
+ frame->data[1] = frame->data[0] +
+ frame->linesize[0] * FFALIGN(avctx->height, 64);
+
+ ret = ff_attach_decode_data(frame);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session,
AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
{
int ret;
+ if (q->gpu_copy == MFX_GPUCOPY_ON &&
+ !(q->iopattern & MFX_IOPATTERN_OUT_SYSTEM_MEMORY)) {
+ av_log(avctx, AV_LOG_WARNING, "GPU-accelerated memory copy "
+ "only works in system memory mode.\n");
+ q->gpu_copy = MFX_GPUCOPY_OFF;
+ }
if (session) {
q->session = session;
} else if (hw_frames_ref) {
- if (q->internal_session) {
- MFXClose(q->internal_session);
- q->internal_session = NULL;
+ if (q->internal_qs.session) {
+ MFXClose(q->internal_qs.session);
+ q->internal_qs.session = NULL;
}
av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
if (!q->frames_ctx.hw_frames_ctx)
return AVERROR(ENOMEM);
- ret = ff_qsv_init_session_frames(avctx, &q->internal_session,
+ ret = ff_qsv_init_session_frames(avctx, &q->internal_qs.session,
&q->frames_ctx, q->load_plugins,
- q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY);
+ q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY,
+ q->gpu_copy);
if (ret < 0) {
av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
return ret;
}
- q->session = q->internal_session;
+ q->session = q->internal_qs.session;
} else if (hw_device_ref) {
- if (q->internal_session) {
- MFXClose(q->internal_session);
- q->internal_session = NULL;
+ if (q->internal_qs.session) {
+ MFXClose(q->internal_qs.session);
+ q->internal_qs.session = NULL;
}
- ret = ff_qsv_init_session_device(avctx, &q->internal_session,
- hw_device_ref, q->load_plugins);
+ ret = ff_qsv_init_session_device(avctx, &q->internal_qs.session,
+ hw_device_ref, q->load_plugins, q->gpu_copy);
if (ret < 0)
return ret;
- q->session = q->internal_session;
+ q->session = q->internal_qs.session;
} else {
- if (!q->internal_session) {
- ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
- q->load_plugins);
+ if (!q->internal_qs.session) {
+ ret = ff_qsv_init_internal_session(avctx, &q->internal_qs,
+ q->load_plugins, q->gpu_copy);
if (ret < 0)
return ret;
}
- q->session = q->internal_session;
+ q->session = q->internal_qs.session;
}
/* make sure the decoder is uninitialized */
return av_fifo_size(fifo) / qsv_fifo_item_size();
}
-static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
+static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
{
- const AVPixFmtDescriptor *desc;
mfxSession session = NULL;
int iopattern = 0;
- mfxVideoParam param = { 0 };
- int frame_width = avctx->coded_width;
- int frame_height = avctx->coded_height;
int ret;
+ enum AVPixelFormat pix_fmts[3] = {
+ AV_PIX_FMT_QSV, /* opaque format in case of video memory output */
+ pix_fmt, /* system memory format obtained from bitstream parser */
+ AV_PIX_FMT_NONE };
- desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
- if (!desc)
- return AVERROR_BUG;
+ ret = ff_get_format(avctx, pix_fmts);
+ if (ret < 0) {
+ q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE;
+ return ret;
+ }
if (!q->async_fifo) {
q->async_fifo = av_fifo_alloc(q->async_depth * qsv_fifo_item_size());
iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
q->iopattern = iopattern;
+ ff_qsv_print_iopattern(avctx, q->iopattern, "Decoder");
+
ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx, avctx->hw_device_ctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n");
return ret;
}
- ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
- if (ret < 0)
- return ret;
+ param->IOPattern = q->iopattern;
+ param->AsyncDepth = q->async_depth;
+ param->ExtParam = q->ext_buffers;
+ param->NumExtParam = q->nb_ext_buffers;
- param.mfx.CodecId = ret;
- param.mfx.CodecProfile = ff_qsv_profile_to_mfx(avctx->codec_id, avctx->profile);
- param.mfx.CodecLevel = avctx->level == FF_LEVEL_UNKNOWN ? MFX_LEVEL_UNKNOWN : avctx->level;
-
- param.mfx.FrameInfo.BitDepthLuma = desc->comp[0].depth;
- param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
- param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8;
- param.mfx.FrameInfo.FourCC = q->fourcc;
- param.mfx.FrameInfo.Width = frame_width;
- param.mfx.FrameInfo.Height = frame_height;
- param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
-
- switch (avctx->field_order) {
- case AV_FIELD_PROGRESSIVE:
- param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
- break;
- case AV_FIELD_TT:
- param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_TFF;
- break;
- case AV_FIELD_BB:
- param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_BFF;
- break;
- default:
- param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_UNKNOWN;
- break;
- }
+ return 0;
+ }
+
+static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
+{
+ int ret;
- param.IOPattern = q->iopattern;
- param.AsyncDepth = q->async_depth;
- param.ExtParam = q->ext_buffers;
- param.NumExtParam = q->nb_ext_buffers;
+ avctx->width = param->mfx.FrameInfo.CropW;
+ avctx->height = param->mfx.FrameInfo.CropH;
+ avctx->coded_width = param->mfx.FrameInfo.Width;
+ avctx->coded_height = param->mfx.FrameInfo.Height;
+ avctx->level = param->mfx.CodecLevel;
+ avctx->profile = param->mfx.CodecProfile;
+ avctx->field_order = ff_qsv_map_picstruct(param->mfx.FrameInfo.PicStruct);
+ avctx->pix_fmt = ff_qsv_map_fourcc(param->mfx.FrameInfo.FourCC);
- ret = MFXVideoDECODE_Init(q->session, ¶m);
+ ret = MFXVideoDECODE_Init(q->session, param);
if (ret < 0)
return ff_qsv_print_error(avctx, ret,
"Error initializing the MFX video decoder");
- q->frame_info = param.mfx.FrameInfo;
+ q->frame_info = param->mfx.FrameInfo;
+
+ if (!avctx->hw_frames_ctx)
+ q->pool = av_buffer_pool_init(av_image_get_buffer_size(avctx->pix_fmt,
+ FFALIGN(avctx->width, 128), FFALIGN(avctx->height, 64), 1), av_buffer_allocz);
+ return 0;
+}
+
+static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, AVPacket *avpkt, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
+{
+ int ret;
+
+ mfxBitstream bs = { 0 };
+
+ if (avpkt->size) {
+ bs.Data = avpkt->data;
+ bs.DataLength = avpkt->size;
+ bs.MaxLength = bs.DataLength;
+ bs.TimeStamp = avpkt->pts;
+ if (avctx->field_order == AV_FIELD_PROGRESSIVE)
+ bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
+ } else
+ return AVERROR_INVALIDDATA;
+
+
+ if(!q->session) {
+ ret = qsv_decode_preinit(avctx, q, pix_fmt, param);
+ if (ret < 0)
+ return ret;
+ }
+
+ ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
+ if (ret < 0)
+ return ret;
+
+ param->mfx.CodecId = ret;
+ ret = MFXVideoDECODE_DecodeHeader(q->session, &bs, param);
+ if (MFX_ERR_MORE_DATA == ret) {
+ return AVERROR(EAGAIN);
+ }
+ if (ret < 0)
+ return ff_qsv_print_error(avctx, ret,
+ "Error decoding stream header");
return 0;
}
{
int ret;
- ret = ff_get_buffer(avctx, frame->frame, AV_GET_BUFFER_FLAG_REF);
+ if (q->pool)
+ ret = ff_qsv_get_continuous_buffer(avctx, frame->frame, q->pool);
+ else
+ ret = ff_get_buffer(avctx, frame->frame, AV_GET_BUFFER_FLAG_REF);
+
if (ret < 0)
return ret;
av_fifo_free(q->async_fifo);
q->async_fifo = NULL;
- av_parser_close(q->parser);
- avcodec_free_context(&q->avctx_internal);
-
- if (q->internal_session)
- MFXClose(q->internal_session);
+ ff_qsv_close_internal_session(&q->internal_qs);
av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
av_buffer_unref(&q->frames_ctx.mids_buf);
+ av_buffer_pool_uninit(&q->pool);
return 0;
}
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;
- const AVPixFmtDescriptor *desc;
-
- if (!q->avctx_internal) {
- q->avctx_internal = avcodec_alloc_context3(NULL);
- if (!q->avctx_internal)
- return AVERROR(ENOMEM);
-
- q->avctx_internal->codec_id = avctx->codec_id;
-
- 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;
- }
+ mfxVideoParam param = { 0 };
+ enum AVPixelFormat pix_fmt = AV_PIX_FMT_NV12;
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);
-
- avctx->field_order = q->parser->field_order;
/* TODO: flush delayed frames on reinit */
- if (q->parser->format != q->orig_pix_fmt ||
- FFALIGN(q->parser->coded_width, 16) != FFALIGN(avctx->coded_width, 16) ||
- FFALIGN(q->parser->coded_height, 16) != FFALIGN(avctx->coded_height, 16)) {
- enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_QSV,
- AV_PIX_FMT_NONE,
- AV_PIX_FMT_NONE };
- enum AVPixelFormat qsv_format;
+
+ // sw_pix_fmt, coded_width/height should be set for ff_get_format(),
+ // assume sw_pix_fmt is NV12 and coded_width/height to be 1280x720,
+ // the assumption may be not corret but will be updated after header decoded if not true.
+ if (q->orig_pix_fmt != AV_PIX_FMT_NONE)
+ pix_fmt = q->orig_pix_fmt;
+ if (!avctx->coded_width)
+ avctx->coded_width = 1280;
+ if (!avctx->coded_height)
+ avctx->coded_height = 720;
+
+ ret = qsv_decode_header(avctx, q, pkt, pix_fmt, ¶m);
+
+ if (ret >= 0 && (q->orig_pix_fmt != ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC) ||
+ avctx->coded_width != param.mfx.FrameInfo.Width ||
+ avctx->coded_height != param.mfx.FrameInfo.Height)) {
AVPacket zero_pkt = {0};
if (q->buffered_count) {
q->buffered_count--;
return qsv_decode(avctx, q, frame, got_frame, &zero_pkt);
}
-
q->reinit_flag = 0;
- 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 = avctx->pix_fmt = pix_fmt = ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC);
- 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 = FFALIGN(q->parser->coded_width, 16);
- avctx->coded_height = FFALIGN(q->parser->coded_height, 16);
- avctx->level = q->avctx_internal->level;
- avctx->profile = q->avctx_internal->profile;
+ avctx->coded_width = param.mfx.FrameInfo.Width;
+ avctx->coded_height = param.mfx.FrameInfo.Height;
- ret = ff_get_format(avctx, pix_fmts);
+ ret = qsv_decode_preinit(avctx, q, pix_fmt, ¶m);
if (ret < 0)
goto reinit_fail;
+ q->initialized = 0;
+ }
- avctx->pix_fmt = ret;
-
- desc = av_pix_fmt_desc_get(avctx->pix_fmt);
- if (!desc)
- goto reinit_fail;
-
- if (desc->comp[0].depth > 8) {
- avctx->coded_width = FFALIGN(q->parser->coded_width, 32);
- avctx->coded_height = FFALIGN(q->parser->coded_height, 32);
- }
-
- ret = qsv_decode_init(avctx, q);
+ if (!q->initialized) {
+ ret = qsv_decode_init(avctx, q, ¶m);
if (ret < 0)
goto reinit_fail;
+ q->initialized = 1;
}
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;
+ q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE;
return ret;
}
void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q)
{
q->orig_pix_fmt = AV_PIX_FMT_NONE;
+ q->initialized = 0;
}
projects / ffmpeg / blobdiff