ffmpeg | branch: master | Timo Rothenpieler <t...@rothenpieler.org> | Sat Sep 2 19:30:21 2017 +0200| [a56d0497cbab6f9abf68f77f1b4fe16c4a53f101] | committer: Timo Rothenpieler
avcodec/nvenc: migrate to new encode API Signed-off-by: Timo Rothenpieler <t...@rothenpieler.org> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a56d0497cbab6f9abf68f77f1b4fe16c4a53f101 --- libavcodec/nvenc.c | 65 ++++++++++++++++++++++++++++++++++++++++--------- libavcodec/nvenc.h | 6 +++++ libavcodec/nvenc_h264.c | 6 +++++ libavcodec/nvenc_hevc.c | 4 +++ 4 files changed, 70 insertions(+), 11 deletions(-) diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index 744e5e0e01..b54cb1275b 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -1807,8 +1807,7 @@ static int output_ready(AVCodecContext *avctx, int flush) return (nb_ready > 0) && (nb_ready + nb_pending >= ctx->async_depth); } -int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *frame, int *got_packet) +int ff_nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame) { NVENCSTATUS nv_status; CUresult cu_res; @@ -1823,12 +1822,16 @@ int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, NV_ENC_PIC_PARAMS pic_params = { 0 }; pic_params.version = NV_ENC_PIC_PARAMS_VER; + if (!ctx->cu_context || !ctx->nvencoder) + return AVERROR(EINVAL); + + if (ctx->encoder_flushing) + return AVERROR_EOF; + if (frame) { inSurf = get_free_frame(ctx); - if (!inSurf) { - av_log(avctx, AV_LOG_ERROR, "No free surfaces\n"); - return AVERROR_BUG; - } + if (!inSurf) + return AVERROR(EAGAIN); cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context); if (cu_res != CUDA_SUCCESS) { @@ -1844,9 +1847,8 @@ int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, return AVERROR_EXTERNAL; } - if (res) { + if (res) return res; - } pic_params.inputBuffer = inSurf->input_surface; pic_params.bufferFmt = inSurf->format; @@ -1876,6 +1878,7 @@ int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, nvenc_codec_specific_pic_params(avctx, &pic_params); } else { pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS; + ctx->encoder_flushing = 1; } cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context); @@ -1914,7 +1917,23 @@ int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, } } - if (output_ready(avctx, !frame)) { + return 0; +} + +int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt) +{ + CUresult cu_res; + CUcontext dummy; + NvencSurface *tmpoutsurf; + int res; + + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + + if (!ctx->cu_context || !ctx->nvencoder) + return AVERROR(EINVAL); + + if (output_ready(avctx, ctx->encoder_flushing)) { av_fifo_generic_read(ctx->output_surface_ready_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL); cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context); @@ -1935,10 +1954,34 @@ int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, return res; av_fifo_generic_write(ctx->unused_surface_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL); - - *got_packet = 1; + } else if (ctx->encoder_flushing) { + return AVERROR_EOF; } else { + return AVERROR(EAGAIN); + } + + return 0; +} + +int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *frame, int *got_packet) +{ + NvencContext *ctx = avctx->priv_data; + int res; + + if (!ctx->encoder_flushing) { + res = ff_nvenc_send_frame(avctx, frame); + if (res < 0) + return res; + } + + res = ff_nvenc_receive_packet(avctx, pkt); + if (res == AVERROR(EAGAIN) || res == AVERROR_EOF) { *got_packet = 0; + } else if (res < 0) { + return res; + } else { + *got_packet = 1; } return 0; diff --git a/libavcodec/nvenc.h b/libavcodec/nvenc.h index 2c682275da..afb93cc22c 100644 --- a/libavcodec/nvenc.h +++ b/libavcodec/nvenc.h @@ -116,6 +116,8 @@ typedef struct NvencContext AVFifoBuffer *output_surface_ready_queue; AVFifoBuffer *timestamp_list; + int encoder_flushing; + struct { CUdeviceptr ptr; NV_ENC_REGISTERED_PTR regptr; @@ -169,6 +171,10 @@ int ff_nvenc_encode_init(AVCodecContext *avctx); int ff_nvenc_encode_close(AVCodecContext *avctx); +int ff_nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame); + +int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt); + int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet); diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c index 9adbe9f909..c3b4bac749 100644 --- a/libavcodec/nvenc_h264.c +++ b/libavcodec/nvenc_h264.c @@ -164,6 +164,8 @@ AVCodec ff_nvenc_encoder = { .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .init = nvenc_old_init, + .send_frame = ff_nvenc_send_frame, + .receive_packet = ff_nvenc_receive_packet, .encode2 = ff_nvenc_encode_frame, .close = ff_nvenc_encode_close, .priv_data_size = sizeof(NvencContext), @@ -190,6 +192,8 @@ AVCodec ff_nvenc_h264_encoder = { .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .init = nvenc_old_init, + .send_frame = ff_nvenc_send_frame, + .receive_packet = ff_nvenc_receive_packet, .encode2 = ff_nvenc_encode_frame, .close = ff_nvenc_encode_close, .priv_data_size = sizeof(NvencContext), @@ -216,6 +220,8 @@ AVCodec ff_h264_nvenc_encoder = { .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .init = ff_nvenc_encode_init, + .send_frame = ff_nvenc_send_frame, + .receive_packet = ff_nvenc_receive_packet, .encode2 = ff_nvenc_encode_frame, .close = ff_nvenc_encode_close, .priv_data_size = sizeof(NvencContext), diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c index 81da9d222d..89e8c3e53a 100644 --- a/libavcodec/nvenc_hevc.c +++ b/libavcodec/nvenc_hevc.c @@ -153,6 +153,8 @@ AVCodec ff_nvenc_hevc_encoder = { .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_HEVC, .init = nvenc_old_init, + .send_frame = ff_nvenc_send_frame, + .receive_packet = ff_nvenc_receive_packet, .encode2 = ff_nvenc_encode_frame, .close = ff_nvenc_encode_close, .priv_data_size = sizeof(NvencContext), @@ -178,6 +180,8 @@ AVCodec ff_hevc_nvenc_encoder = { .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_HEVC, .init = ff_nvenc_encode_init, + .send_frame = ff_nvenc_send_frame, + .receive_packet = ff_nvenc_receive_packet, .encode2 = ff_nvenc_encode_frame, .close = ff_nvenc_encode_close, .priv_data_size = sizeof(NvencContext), _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
