Avoids allocations and therefore error checks and cleanup code; also avoids indirections.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> --- Would be nice if someone could test these additional patches; I only ensured that they compile properly. Here is current branch (there will be merge conflicts with vaapi_encode.c and ffv1dec.c when using the patches sent to the ML): https://github.com/mkver/FFmpeg/commits/refstruct9 libavcodec/qsv.c | 55 +++++++++++++++------------------------ libavcodec/qsv_internal.h | 11 ++++---- libavcodec/qsvdec.c | 3 ++- libavcodec/qsvenc.c | 3 ++- 4 files changed, 31 insertions(+), 41 deletions(-) diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c index 7563625627..4f639e33f5 100644 --- a/libavcodec/qsv.c +++ b/libavcodec/qsv.c @@ -34,6 +34,7 @@ #include "avcodec.h" #include "qsv_internal.h" +#include "refstruct.h" #define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl)) #define QSV_HAVE_USER_PLUGIN !QSV_ONEVPL @@ -741,20 +742,19 @@ int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs, return 0; } -static void mids_buf_free(void *opaque, uint8_t *data) +static void mids_buf_free(FFRefStructOpaque opaque, void *obj) { - AVBufferRef *hw_frames_ref = opaque; + AVBufferRef *hw_frames_ref = opaque.nc; av_buffer_unref(&hw_frames_ref); - av_freep(&data); } -static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref) +static QSVMid *qsv_create_mids(AVBufferRef *hw_frames_ref) { AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data; AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; int nb_surfaces = frames_hwctx->nb_surfaces; - AVBufferRef *mids_buf, *hw_frames_ref1; + AVBufferRef *hw_frames_ref1; QSVMid *mids; int i; @@ -762,35 +762,27 @@ static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref) if (!hw_frames_ref1) return NULL; - mids = av_calloc(nb_surfaces, sizeof(*mids)); + mids = ff_refstruct_alloc_ext(nb_surfaces * sizeof(*mids), 0, + hw_frames_ref1, mids_buf_free); if (!mids) { av_buffer_unref(&hw_frames_ref1); return NULL; } - mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids), - mids_buf_free, hw_frames_ref1, 0); - if (!mids_buf) { - av_buffer_unref(&hw_frames_ref1); - av_freep(&mids); - return NULL; - } - for (i = 0; i < nb_surfaces; i++) { QSVMid *mid = &mids[i]; mid->handle_pair = (mfxHDLPair*)frames_hwctx->surfaces[i].Data.MemId; mid->hw_frames_ref = hw_frames_ref1; } - return mids_buf; + return mids; } static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref, - AVBufferRef *mids_buf) + QSVMid *mids) { AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data; AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; - QSVMid *mids = (QSVMid*)mids_buf->data; int nb_surfaces = frames_hwctx->nb_surfaces; int i; @@ -811,12 +803,7 @@ static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_re return AVERROR(ENOMEM); } - resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf); - if (!resp->mids[resp->NumFrameActual + 1]) { - av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]); - av_freep(&resp->mids); - return AVERROR(ENOMEM); - } + resp->mids[resp->NumFrameActual + 1] = ff_refstruct_ref(mids); return 0; } @@ -850,7 +837,7 @@ static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, return MFX_ERR_UNSUPPORTED; } - ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf); + ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids); if (ret < 0) { av_log(ctx->logctx, AV_LOG_ERROR, "Error filling an external frame allocation request\n"); @@ -861,7 +848,8 @@ static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data; mfxFrameInfo *i = &req->Info; - AVBufferRef *frames_ref, *mids_buf; + AVBufferRef *frames_ref; + QSVMid *mids; AVHWFramesContext *frames_ctx; AVQSVFramesContext *frames_hwctx; @@ -889,14 +877,14 @@ static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, return MFX_ERR_MEMORY_ALLOC; } - mids_buf = qsv_create_mids(frames_ref); - if (!mids_buf) { + mids = qsv_create_mids(frames_ref); + if (!mids) { av_buffer_unref(&frames_ref); return MFX_ERR_MEMORY_ALLOC; } - ret = qsv_setup_mids(resp, frames_ref, mids_buf); - av_buffer_unref(&mids_buf); + ret = qsv_setup_mids(resp, frames_ref, mids); + ff_refstruct_unref(&mids); av_buffer_unref(&frames_ref); if (ret < 0) { av_log(ctx->logctx, AV_LOG_ERROR, @@ -913,7 +901,7 @@ static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp) { av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]); - av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]); + ff_refstruct_unref(&resp->mids[resp->NumFrameActual + 1]); av_freep(&resp->mids); return MFX_ERR_NONE; } @@ -1105,11 +1093,10 @@ int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, qsv_frames_ctx->logctx = avctx; /* allocate the memory ids for the external frames */ - av_buffer_unref(&qsv_frames_ctx->mids_buf); - qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx); - if (!qsv_frames_ctx->mids_buf) + ff_refstruct_unref(&qsv_frames_ctx->mids); + qsv_frames_ctx->mids = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx); + if (!qsv_frames_ctx->mids) return AVERROR(ENOMEM); - qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data; qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces; err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator); diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h index c2d301b4a2..d970cd20f0 100644 --- a/libavcodec/qsv_internal.h +++ b/libavcodec/qsv_internal.h @@ -115,11 +115,12 @@ typedef struct QSVFramesContext { AVBufferRef *hw_frames_ctx; void *logctx; - /* The memory ids for the external frames. - * Refcounted, since we need one reference owned by the QSVFramesContext - * (i.e. by the encoder/decoder) and another one given to the MFX session - * from the frame allocator. */ - AVBufferRef *mids_buf; + /** + * The memory ids for the external frames. + * Refcounted (via the RefStruct API), since we need one reference + * owned by the QSVFramesContext (i.e. by the encoder/decoder) and + * another one given to the MFX session from the frame allocator. + */ QSVMid *mids; int nb_mids; } QSVFramesContext; diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c index da700f25e9..e53d320d0d 100644 --- a/libavcodec/qsvdec.c +++ b/libavcodec/qsvdec.c @@ -50,6 +50,7 @@ #include "hwconfig.h" #include "qsv.h" #include "qsv_internal.h" +#include "refstruct.h" #if QSV_ONEVPL #include <mfxdispatcher.h> @@ -875,7 +876,7 @@ static void qsv_decode_close_qsvcontext(QSVContext *q) 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); + ff_refstruct_unref(&q->frames_ctx.mids); av_buffer_pool_uninit(&q->pool); } diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index a0144b0760..8a607ee5e7 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -41,6 +41,7 @@ #include "qsv.h" #include "qsv_internal.h" #include "qsvenc.h" +#include "refstruct.h" struct profile_names { mfxU16 profile; @@ -2622,7 +2623,7 @@ int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q) 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); + ff_refstruct_unref(&q->frames_ctx.mids); cur = q->work_frames; while (cur) { -- 2.34.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".