[FFmpeg-devel] [PATCH 20/30] lavc/nvenc: handle frame durations and AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE
Anton Khirnov
anton at khirnov.net
Sun Nov 27 19:03:41 EET 2022
---
libavcodec/nvenc.c | 102 ++++++++++++++++++++++++++++++++--------
libavcodec/nvenc.h | 2 +-
libavcodec/nvenc_av1.c | 3 +-
libavcodec/nvenc_h264.c | 3 +-
libavcodec/nvenc_hevc.c | 3 +-
5 files changed, 89 insertions(+), 24 deletions(-)
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 9726c565d3..80f78155f2 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -28,6 +28,7 @@
#include "av1.h"
#endif
+#include "libavutil/buffer.h"
#include "libavutil/hwcontext_cuda.h"
#include "libavutil/hwcontext.h"
#include "libavutil/cuda_check.h"
@@ -162,6 +163,23 @@ static int nvenc_print_error(AVCodecContext *avctx, NVENCSTATUS err,
return ret;
}
+typedef struct FrameData {
+ int64_t pts;
+ int64_t duration;
+ int64_t reordered_opaque;
+
+ void *frame_opaque;
+ AVBufferRef *frame_opaque_ref;
+} FrameData;
+
+static void reorder_queue_flush(AVFifo *queue)
+{
+ FrameData fd;
+
+ while (av_fifo_read(queue, &fd, 1) >= 0)
+ av_buffer_unref(&fd.frame_opaque_ref);
+}
+
typedef struct GUIDTuple {
const GUID guid;
int flags;
@@ -1743,8 +1761,8 @@ static av_cold int nvenc_setup_surfaces(AVCodecContext *avctx)
if (!ctx->surfaces)
return AVERROR(ENOMEM);
- ctx->timestamp_list = av_fifo_alloc2(ctx->nb_surfaces, sizeof(int64_t), 0);
- if (!ctx->timestamp_list)
+ ctx->reorder_queue = av_fifo_alloc2(ctx->nb_surfaces, sizeof(FrameData), 0);
+ if (!ctx->reorder_queue)
return AVERROR(ENOMEM);
ctx->unused_surface_queue = av_fifo_alloc2(ctx->nb_surfaces, sizeof(NvencSurface*), 0);
@@ -1828,7 +1846,8 @@ av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
p_nvenc->nvEncEncodePicture(ctx->nvencoder, ¶ms);
}
- av_fifo_freep2(&ctx->timestamp_list);
+ reorder_queue_flush(ctx->reorder_queue);
+ av_fifo_freep2(&ctx->reorder_queue);
av_fifo_freep2(&ctx->output_surface_ready_queue);
av_fifo_freep2(&ctx->output_surface_queue);
av_fifo_freep2(&ctx->unused_surface_queue);
@@ -2172,18 +2191,45 @@ static void nvenc_codec_specific_pic_params(AVCodecContext *avctx,
}
}
-static inline void timestamp_queue_enqueue(AVFifo *queue, int64_t timestamp)
+static void reorder_queue_enqueue(AVFifo *queue, const AVCodecContext *avctx,
+ const AVFrame *frame, AVBufferRef **opaque_ref)
{
- av_fifo_write(queue, ×tamp, 1);
+ FrameData fd;
+
+ fd.pts = frame->pts;
+ fd.duration = frame->duration;
+ fd.reordered_opaque = frame->reordered_opaque;
+ fd.frame_opaque = frame->opaque;
+ fd.frame_opaque_ref = *opaque_ref;
+
+ *opaque_ref = NULL;
+
+ av_fifo_write(queue, &fd, 1);
}
-static inline int64_t timestamp_queue_dequeue(AVFifo *queue)
+static int64_t reorder_queue_dequeue(AVFifo *queue, AVCodecContext *avctx,
+ AVPacket *pkt)
{
- int64_t timestamp = AV_NOPTS_VALUE;
+ FrameData fd;
+
// The following call might fail if the queue is empty.
- av_fifo_read(queue, ×tamp, 1);
+ if (av_fifo_read(queue, &fd, 1) < 0)
+ return AV_NOPTS_VALUE;
+
+ if (pkt) {
+ avctx->reordered_opaque = fd.reordered_opaque;
+ pkt->duration = fd.duration;
+
+ if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
+ pkt->opaque = fd.frame_opaque;
+ pkt->opaque_ref = fd.frame_opaque_ref;
+ fd.frame_opaque_ref = NULL;
+ }
+ }
+
+ av_buffer_unref(&fd.frame_opaque_ref);
- return timestamp;
+ return fd.pts;
}
static int nvenc_set_timestamp(AVCodecContext *avctx,
@@ -2191,12 +2237,14 @@ static int nvenc_set_timestamp(AVCodecContext *avctx,
AVPacket *pkt)
{
NvencContext *ctx = avctx->priv_data;
+ int64_t dts;
pkt->pts = params->outputTimeStamp;
+ dts = reorder_queue_dequeue(ctx->reorder_queue, avctx, pkt);
+
if (avctx->codec_descriptor->props & AV_CODEC_PROP_REORDER) {
- pkt->dts = timestamp_queue_dequeue(ctx->timestamp_list);
- pkt->dts -= FFMAX(ctx->encode_config.frameIntervalP - 1, 0) * FFMAX(avctx->ticks_per_frame, 1);
+ pkt->dts = dts - FFMAX(ctx->encode_config.frameIntervalP - 1, 0) * FFMAX(avctx->ticks_per_frame, 1);
} else {
pkt->dts = pkt->pts;
}
@@ -2293,7 +2341,7 @@ static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSur
return 0;
error:
- timestamp_queue_dequeue(ctx->timestamp_list);
+ reorder_queue_dequeue(ctx->reorder_queue, avctx, NULL);
error2:
return res;
@@ -2523,6 +2571,8 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
int sei_count = 0;
int i;
+ AVBufferRef *opaque_ref = NULL;
+
NvencContext *ctx = avctx->priv_data;
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
@@ -2590,9 +2640,17 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
}
+ // make a reference for enqueing in the reorder queue here,
+ // so that reorder_queue_enqueue() cannot fail
+ if (frame && frame->opaque_ref && avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
+ opaque_ref = av_buffer_ref(frame->opaque_ref);
+ if (!opaque_ref)
+ return AVERROR(ENOMEM);
+ }
+
res = nvenc_push_context(avctx);
if (res < 0)
- return res;
+ goto opaque_ref_fail;
nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
@@ -2601,17 +2659,17 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
res = nvenc_pop_context(avctx);
if (res < 0)
- return res;
+ goto opaque_ref_fail;
if (nv_status != NV_ENC_SUCCESS &&
- nv_status != NV_ENC_ERR_NEED_MORE_INPUT)
- return nvenc_print_error(avctx, nv_status, "EncodePicture failed!");
+ nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
+ res = nvenc_print_error(avctx, nv_status, "EncodePicture failed!");
+ goto opaque_ref_fail;
+ }
if (frame && frame->buf[0]) {
av_fifo_write(ctx->output_surface_queue, &in_surf, 1);
-
- if (avctx->codec_descriptor->props & AV_CODEC_PROP_REORDER)
- timestamp_queue_enqueue(ctx->timestamp_list, frame->pts);
+ reorder_queue_enqueue(ctx->reorder_queue, avctx, frame, &opaque_ref);
}
/* all the pending buffers are now ready for output */
@@ -2621,6 +2679,10 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
}
return 0;
+
+opaque_ref_fail:
+ av_buffer_unref(&opaque_ref);
+ return res;
}
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
@@ -2679,5 +2741,5 @@ av_cold void ff_nvenc_encode_flush(AVCodecContext *avctx)
NvencContext *ctx = avctx->priv_data;
nvenc_send_frame(avctx, NULL);
- av_fifo_reset2(ctx->timestamp_list);
+ reorder_queue_flush(ctx->reorder_queue);
}
diff --git a/libavcodec/nvenc.h b/libavcodec/nvenc.h
index 05a7ac48b1..411c83aa94 100644
--- a/libavcodec/nvenc.h
+++ b/libavcodec/nvenc.h
@@ -171,7 +171,7 @@ typedef struct NvencContext
AVFifo *unused_surface_queue;
AVFifo *output_surface_queue;
AVFifo *output_surface_ready_queue;
- AVFifo *timestamp_list;
+ AVFifo *reorder_queue;
NV_ENC_SEI_PAYLOAD *sei_data;
int sei_data_size;
diff --git a/libavcodec/nvenc_av1.c b/libavcodec/nvenc_av1.c
index 2ed99d948b..2b349c7b61 100644
--- a/libavcodec/nvenc_av1.c
+++ b/libavcodec/nvenc_av1.c
@@ -181,7 +181,8 @@ const FFCodec ff_av1_nvenc_encoder = {
.defaults = defaults,
.p.pix_fmts = ff_nvenc_pix_fmts,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
- AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1,
+ AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1 |
+ AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
.p.wrapper_name = "nvenc",
diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
index a69358b03b..5dc2961c3b 100644
--- a/libavcodec/nvenc_h264.c
+++ b/libavcodec/nvenc_h264.c
@@ -232,7 +232,8 @@ const FFCodec ff_h264_nvenc_encoder = {
.p.priv_class = &h264_nvenc_class,
.defaults = defaults,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
- AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1,
+ AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1 |
+ AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
.p.pix_fmts = ff_nvenc_pix_fmts,
diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c
index 5ad423444a..1362a927c8 100644
--- a/libavcodec/nvenc_hevc.c
+++ b/libavcodec/nvenc_hevc.c
@@ -214,7 +214,8 @@ const FFCodec ff_hevc_nvenc_encoder = {
.defaults = defaults,
.p.pix_fmts = ff_nvenc_pix_fmts,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
- AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1,
+ AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1 |
+ AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
.p.wrapper_name = "nvenc",
--
2.35.1
More information about the ffmpeg-devel
mailing list