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commit cd5bfddd7a0bdf76072b065e8adcef6e7b1b402e Author: Lynne <[email protected]> AuthorDate: Wed Sep 23 00:56:02 2026 +0900 Commit: Lynne <[email protected]> CommitDate: Thu Sep 24 11:05:28 2026 +0900 vulkan_video: add a shared frame loop for the compute encoders The FFv1, APV and ProRes encoders each drove their execution pool by hand, and either submitted a frame or returned a packet on each call, never both. With a depth of N that filled N contexts and then drained them, leaving the GPU idle for the drain, and the default depth of 1 was fully synchronous. FFVkEncodeLoop keeps up to pool_size frames in flight, and returns the oldest packet as soon as its execution completes, or once the pool is full. It also carries the packet metadata, and flushes what is in flight, which the encoders advertised but did not implement. ProRes now honours async_depth and no longer leaks its per-context data on close. 1080p 4:2:2 10-bit, depth 2: ProRes on RADV goes from 44 to 61 fps and APV on ANV from 194 to 235 fps. Output is unchanged at every depth. --- libavcodec/apv_encode_vulkan.c | 81 ++++---------------- libavcodec/ffv1enc_vulkan.c | 91 ++++------------------- libavcodec/proresenc_kostya_vulkan.c | 138 +++++++++++++---------------------- libavcodec/vulkan_video.c | 116 +++++++++++++++++++++++++++++ libavcodec/vulkan_video.h | 41 +++++++++++ 5 files changed, 236 insertions(+), 231 deletions(-) diff --git a/libavcodec/apv_encode_vulkan.c b/libavcodec/apv_encode_vulkan.c index 0e0fc1abc7..8b078bce39 100644 --- a/libavcodec/apv_encode_vulkan.c +++ b/libavcodec/apv_encode_vulkan.c @@ -74,12 +74,6 @@ typedef struct VulkanEncodeAPVFrameData { FFVkBuffer *bytestream_ref; FFVkBuffer *compacted_ref; FFVkBuffer *sizes_ref; - - int64_t pts; - int64_t duration; - void *frame_opaque; - AVBufferRef *frame_opaque_ref; - int flags; } VulkanEncodeAPVFrameData; typedef struct VulkanEncodeAPVContext { @@ -106,11 +100,10 @@ typedef struct VulkanEncodeAPVContext { CodedBitstreamContext *cbc; CodedBitstreamFragment au; - AVFrame *frame; + FFVkEncodeLoop loop; /* Async machinery */ int async_depth; - int in_flight; VulkanEncodeAPVFrameData *exec_ctx_info; /* Derived per-encoder state */ @@ -671,17 +664,6 @@ static int build_packet(AVCodecContext *avctx, FFVkExecContext *exec, if (err < 0) return err; - pkt->pts = fd->pts; - pkt->dts = fd->pts; - pkt->duration = fd->duration; - pkt->flags |= AV_PKT_FLAG_KEY; /* APV is all intra */ - - 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_log(avctx, AV_LOG_VERBOSE, "Encoded APV frame: %i bytes (%.2f MiB)\n", pkt->size, pkt->size / (1024.0 * 1024.0)); @@ -696,51 +678,14 @@ static int build_packet(AVCodecContext *avctx, FFVkExecContext *exec, static int vulkan_encode_apv_receive_packet(AVCodecContext *avctx, AVPacket *pkt) { - int err; VulkanEncodeAPVContext *ev = avctx->priv_data; - VulkanEncodeAPVFrameData *fd; - FFVkExecContext *exec; - AVFrame *frame; - - while (1) { - exec = ff_vk_exec_get(&ev->s, &ev->exec_pool); - - if (exec->had_submission) { - exec->had_submission = 0; - ev->in_flight--; - return build_packet(avctx, exec, pkt); - } - - frame = ev->frame; - err = ff_encode_get_frame(avctx, frame); - if (err < 0 && err != AVERROR_EOF) - return err; - else if (err == AVERROR_EOF) { - if (!ev->in_flight) - return err; - continue; - } - - fd = exec->opaque; - fd->pts = frame->pts; - fd->duration = frame->duration; - fd->flags = frame->flags; - if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { - fd->frame_opaque = frame->opaque; - fd->frame_opaque_ref = frame->opaque_ref; - frame->opaque_ref = NULL; - } - - err = submit_frame(avctx, exec, frame); - av_frame_unref(frame); - if (err < 0) - return err; + return ff_vk_encode_loop_receive_packet(avctx, &ev->loop, pkt); +} - ev->in_flight++; - if (ev->in_flight < ev->async_depth) - return AVERROR(EAGAIN); - } - return 0; +static av_cold void vulkan_encode_apv_flush(AVCodecContext *avctx) +{ + VulkanEncodeAPVContext *ev = avctx->priv_data; + ff_vk_encode_loop_flush(avctx, &ev->loop); } static av_cold int vulkan_encode_apv_close(AVCodecContext *avctx) @@ -761,7 +706,6 @@ static av_cold int vulkan_encode_apv_close(AVCodecContext *avctx) av_refstruct_unref(&fd->bytestream_ref); av_refstruct_unref(&fd->compacted_ref); av_refstruct_unref(&fd->sizes_ref); - av_buffer_unref(&fd->frame_opaque_ref); } av_freep(&ev->exec_ctx_info); } @@ -774,7 +718,7 @@ static av_cold int vulkan_encode_apv_close(AVCodecContext *avctx) ff_cbs_fragment_free(&ev->au); ff_cbs_close(&ev->cbc); - av_frame_free(&ev->frame); + ff_vk_encode_loop_uninit(&ev->loop); ff_vk_uninit(&ev->s); return 0; @@ -962,9 +906,9 @@ static av_cold int vulkan_encode_apv_init(AVCodecContext *avctx) * build them once. */ build_dct_push_const(avctx); - ev->frame = av_frame_alloc(); - if (!ev->frame) - return AVERROR(ENOMEM); + err = ff_vk_encode_loop_init(&ev->s, &ev->exec_pool, &ev->loop, submit_frame, build_packet); + if (err < 0) + return err; /* Async data pool */ ev->async_depth = ev->exec_pool.pool_size; @@ -1028,6 +972,7 @@ const FFCodec ff_apv_vulkan_encoder = { .priv_data_size = sizeof(VulkanEncodeAPVContext), .init = &vulkan_encode_apv_init, FF_CODEC_RECEIVE_PACKET_CB(&vulkan_encode_apv_receive_packet), + .flush = &vulkan_encode_apv_flush, .close = &vulkan_encode_apv_close, .p.priv_class = &vulkan_encode_apv_class, .p.capabilities = AV_CODEC_CAP_DELAY | @@ -1035,7 +980,7 @@ const FFCodec ff_apv_vulkan_encoder = { AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, - .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_EOF_FLUSH, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .defaults = vulkan_encode_apv_defaults, CODEC_PIXFMTS(AV_PIX_FMT_VULKAN), .hw_configs = vulkan_encode_apv_hw_configs, diff --git a/libavcodec/ffv1enc_vulkan.c b/libavcodec/ffv1enc_vulkan.c index 2d61545de7..a0d8ac035f 100644 --- a/libavcodec/ffv1enc_vulkan.c +++ b/libavcodec/ffv1enc_vulkan.c @@ -45,26 +45,19 @@ typedef struct VulkanEncodeFFv1FrameData { FFVkBuffer *out_data_ref; FFVkBuffer *compacted_data_ref; - /* Copied from the source */ - int64_t pts; - int64_t duration; - void *frame_opaque; - AVBufferRef *frame_opaque_ref; - int key_frame; int idx; } VulkanEncodeFFv1FrameData; typedef struct VulkanEncodeFFv1Context { FFV1Context ctx; - AVFrame *frame; + FFVkEncodeLoop loop; FFVulkanContext s; AVVulkanDeviceQueueFamily *qf; FFVkExecPool exec_pool; VulkanEncodeFFv1FrameData *exec_ctx_info; - int in_flight; int async_depth; FFVulkanShader rct_search; @@ -270,7 +263,7 @@ static int run_sort32(AVCodecContext *avctx, FFVkExecContext *exec, static int vulkan_encode_ffv1_submit_frame(AVCodecContext *avctx, FFVkExecContext *exec, - const AVFrame *pict) + AVFrame *pict) { int err; VulkanEncodeFFv1Context *fv = avctx->priv_data; @@ -386,7 +379,7 @@ static int vulkan_encode_ffv1_submit_frame(AVCodecContext *avctx, compacted_buf = fd->compacted_data_ref; /* Image views */ - AVFrame *src = (AVFrame *)pict; + AVFrame *src = pict; VkImageView src_views[AV_NUM_DATA_POINTERS]; AVFrame *tmp = NULL; @@ -777,17 +770,7 @@ static int get_packet(AVCodecContext *avctx, FFVkExecContext *exec, } fd->compacted_data_ref = NULL; /* ownership passed to pkt->buf */ pkt->data = compacted_buf->mapped_mem; - - pkt->pts = fd->pts; - pkt->dts = fd->pts; - pkt->duration = fd->duration; - pkt->flags |= AV_PKT_FLAG_KEY * fd->key_frame; - - 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; - } + pkt->flags |= AV_PKT_FLAG_KEY * fd->key_frame; av_refstruct_unref(&fd->out_data_ref); @@ -797,55 +780,15 @@ static int get_packet(AVCodecContext *avctx, FFVkExecContext *exec, static int vulkan_encode_ffv1_receive_packet(AVCodecContext *avctx, AVPacket *pkt) { - int err; VulkanEncodeFFv1Context *fv = avctx->priv_data; - VulkanEncodeFFv1FrameData *fd; - FFVkExecContext *exec; - AVFrame *frame; - - while (1) { - /* Roll an execution context */ - exec = ff_vk_exec_get(&fv->s, &fv->exec_pool); - - /* If it had a frame, immediately output it */ - if (exec->had_submission) { - exec->had_submission = 0; - fv->in_flight--; - return get_packet(avctx, exec, pkt); - } - - /* Get next frame to encode */ - frame = fv->frame; - err = ff_encode_get_frame(avctx, frame); - if (err < 0 && err != AVERROR_EOF) { - return err; - } else if (err == AVERROR_EOF) { - if (!fv->in_flight) - return err; - continue; - } - - /* Encode frame */ - fd = exec->opaque; - fd->pts = frame->pts; - fd->duration = frame->duration; - if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { - fd->frame_opaque = frame->opaque; - fd->frame_opaque_ref = frame->opaque_ref; - frame->opaque_ref = NULL; - } - - err = vulkan_encode_ffv1_submit_frame(avctx, exec, frame); - av_frame_unref(frame); - if (err < 0) - return err; - - fv->in_flight++; - if (fv->in_flight < fv->async_depth) - return AVERROR(EAGAIN); - } + return ff_vk_encode_loop_receive_packet(avctx, &fv->loop, pkt); +} - return 0; +static av_cold void vulkan_encode_ffv1_flush(AVCodecContext *avctx) +{ + VulkanEncodeFFv1Context *fv = avctx->priv_data; + ff_vk_encode_loop_flush(avctx, &fv->loop); + fv->ctx.picture_number = 0; } static int init_indirect(AVCodecContext *avctx, enum AVPixelFormat sw_format) @@ -1454,10 +1397,8 @@ static av_cold int vulkan_encode_ffv1_init(AVCodecContext *avctx) 0, 256*sizeof(uint32_t), VK_FORMAT_UNDEFINED)); - /* Temporary frame */ - fv->frame = av_frame_alloc(); - if (!fv->frame) - return AVERROR(ENOMEM); + RET(ff_vk_encode_loop_init(&fv->s, &fv->exec_pool, &fv->loop, + vulkan_encode_ffv1_submit_frame, get_packet)); /* Async data pool */ fv->async_depth = fv->exec_pool.pool_size; @@ -1501,7 +1442,6 @@ static av_cold int vulkan_encode_ffv1_close(AVCodecContext *avctx) VulkanEncodeFFv1FrameData *fd = &fv->exec_ctx_info[i]; av_refstruct_unref(&fd->out_data_ref); av_refstruct_unref(&fd->compacted_data_ref); - av_buffer_unref(&fd->frame_opaque_ref); } } av_free(fv->exec_ctx_info); @@ -1519,7 +1459,7 @@ static av_cold int vulkan_encode_ffv1_close(AVCodecContext *avctx) ff_vk_free_buf(&fv->s, &fv->consts_buf); - av_frame_free(&fv->frame); + ff_vk_encode_loop_uninit(&fv->loop); ff_vk_uninit(&fv->s); return 0; @@ -1602,6 +1542,7 @@ const FFCodec ff_ffv1_vulkan_encoder = { .priv_data_size = sizeof(VulkanEncodeFFv1Context), .init = &vulkan_encode_ffv1_init, FF_CODEC_RECEIVE_PACKET_CB(&vulkan_encode_ffv1_receive_packet), + .flush = &vulkan_encode_ffv1_flush, .close = &vulkan_encode_ffv1_close, .p.priv_class = &vulkan_encode_ffv1_class, .p.capabilities = AV_CODEC_CAP_DELAY | @@ -1609,7 +1550,7 @@ const FFCodec ff_ffv1_vulkan_encoder = { AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, - .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_EOF_FLUSH, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .defaults = vulkan_encode_ffv1_defaults, CODEC_PIXFMTS(AV_PIX_FMT_VULKAN), .hw_configs = vulkan_encode_ffv1_hw_configs, diff --git a/libavcodec/proresenc_kostya_vulkan.c b/libavcodec/proresenc_kostya_vulkan.c index 9449e88c4e..b92170f41e 100644 --- a/libavcodec/proresenc_kostya_vulkan.c +++ b/libavcodec/proresenc_kostya_vulkan.c @@ -88,14 +88,9 @@ typedef struct VulkanEncodeProresFrameData { FFVkBuffer *frame_size_ref[2]; /* Copied from the source */ - int64_t pts; - int64_t duration; - void *frame_opaque; - AVBufferRef *frame_opaque_ref; enum AVColorTransferCharacteristic color_trc; enum AVColorSpace colorspace; enum AVColorPrimaries color_primaries; - int key_frame; int flags; } VulkanEncodeProresFrameData; @@ -125,13 +120,10 @@ typedef struct ProresVulkanContext { FFVulkanShader gather_shd; FFVkBuffer prores_data_tables_buf; - int *slice_quants; - SliceScore *slice_scores; ProresDataTables *tables; - int in_flight; int async_depth; - AVFrame *frame; + FFVkEncodeLoop loop; VulkanEncodeProresFrameData *exec_ctx_info; } ProresVulkanContext; @@ -382,8 +374,8 @@ fail: return err; } -static int vulkan_encode_prores_submit_frame(AVCodecContext *avctx, FFVkExecContext *exec, - AVFrame *frame, int picture_idx) +static int encode_picture(AVCodecContext *avctx, FFVkExecContext *exec, + AVFrame *frame, int picture_idx) { ProresVulkanContext *pv = avctx->priv_data; ProresContext *ctx = &pv->ctx; @@ -790,93 +782,48 @@ static int get_packet(AVCodecContext *avctx, FFVkExecContext *exec, AVPacket *pk pkt->data = wrap_buf->mapped_mem; pkt->size = frame_size; - pkt->pts = pd->pts; - pkt->dts = pd->pts; - pkt->duration = pd->duration; - pkt->flags |= AV_PKT_FLAG_KEY * pd->key_frame; - - if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { - pkt->opaque = pd->frame_opaque; - pkt->opaque_ref = pd->frame_opaque_ref; - pd->frame_opaque_ref = NULL; - } - av_log(avctx, AV_LOG_VERBOSE, "Encoded data: %iMiB\n", pkt->size / (1024*1024)); return 0; } -static int vulkan_encode_prores_receive_packet(AVCodecContext *avctx, AVPacket *pkt) +static int vulkan_encode_prores_submit_frame(AVCodecContext *avctx, FFVkExecContext *exec, + AVFrame *frame) { int err; ProresVulkanContext *pv = avctx->priv_data; - ProresContext *ctx = &pv->ctx; - VulkanEncodeProresFrameData *pd; - FFVkExecContext *exec; - AVFrame *frame; - - while (1) { - /* Roll an execution context */ - exec = ff_vk_exec_get(&pv->vkctx, &pv->e); - - /* If it had a frame, immediately output it */ - if (exec->had_submission) { - exec->had_submission = 0; - pv->in_flight--; - return get_packet(avctx, exec, pkt); - } + VulkanEncodeProresFrameData *pd = exec->opaque; - /* Get next frame to encode */ - frame = pv->frame; - err = ff_encode_get_frame(avctx, frame); - if (err < 0 && err != AVERROR_EOF) { - return err; - } else if (err == AVERROR_EOF) { - if (!pv->in_flight) - return err; - continue; - } + pd->color_primaries = frame->color_primaries; + pd->color_trc = frame->color_trc; + pd->colorspace = frame->colorspace; + pd->flags = frame->flags; - /* Encode frame */ - pd = exec->opaque; - pd->color_primaries = frame->color_primaries; - pd->color_trc = frame->color_trc; - pd->colorspace = frame->colorspace; - pd->pts = frame->pts; - pd->duration = frame->duration; - pd->flags = frame->flags; - if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { - pd->frame_opaque = frame->opaque; - pd->frame_opaque_ref = frame->opaque_ref; - frame->opaque_ref = NULL; - } + err = ff_vk_exec_start(&pv->vkctx, exec); + if (err < 0) + return err; - err = ff_vk_exec_start(&pv->vkctx, exec); + for (int i = 0; i < pv->ctx.pictures_per_frame; i++) { + err = encode_picture(avctx, exec, frame, i); if (err < 0) { - av_frame_unref(frame); + ff_vk_exec_discard(&pv->vkctx, exec); return err; } + } - for (int i = 0; i < ctx->pictures_per_frame; i++) { - err = vulkan_encode_prores_submit_frame(avctx, exec, frame, i); - if (err < 0) { - ff_vk_exec_discard(&pv->vkctx, exec); - av_frame_unref(frame); - return err; - } - } - - err = ff_vk_exec_submit(&pv->vkctx, exec); - av_frame_unref(frame); - if (err < 0) - return err; + return ff_vk_exec_submit(&pv->vkctx, exec); +} - pv->in_flight++; - if (pv->in_flight < pv->async_depth) - return AVERROR(EAGAIN); - } +static int vulkan_encode_prores_receive_packet(AVCodecContext *avctx, AVPacket *pkt) +{ + ProresVulkanContext *pv = avctx->priv_data; + return ff_vk_encode_loop_receive_packet(avctx, &pv->loop, pkt); +} - return 0; +static av_cold void vulkan_encode_prores_flush(AVCodecContext *avctx) +{ + ProresVulkanContext *pv = avctx->priv_data; + ff_vk_encode_loop_flush(avctx, &pv->loop); } static av_cold int encode_close(AVCodecContext *avctx) @@ -899,6 +846,22 @@ static av_cold int encode_close(AVCodecContext *avctx) ff_vk_free_buf(vkctx, &pv->prores_data_tables_buf); + if (pv->exec_ctx_info) { + for (int i = 0; i < pv->async_depth; i++) { + VulkanEncodeProresFrameData *pd = &pv->exec_ctx_info[i]; + for (int j = 0; j < 2; j++) { + av_refstruct_unref(&pd->out_data_ref[j]); + av_refstruct_unref(&pd->slice_sizes_ref[j]); + av_refstruct_unref(&pd->gathered_ref[j]); + av_refstruct_unref(&pd->slice_data_ref[j]); + av_refstruct_unref(&pd->slice_score_ref[j]); + av_refstruct_unref(&pd->frame_size_ref[j]); + } + } + av_freep(&pv->exec_ctx_info); + } + ff_vk_encode_loop_uninit(&pv->loop); + av_refstruct_pool_uninit(&pv->pkt_buf_pool); av_refstruct_pool_uninit(&pv->slice_sizes_buf_pool); av_refstruct_pool_uninit(&pv->gathered_buf_pool); @@ -927,18 +890,13 @@ static av_cold int encode_init(AVCodecContext *avctx) return AVERROR(ENOTSUP); } - RET(ff_vk_exec_pool_init(vkctx, pv->qf, &pv->e, 1, 0, 0, 0, NULL)); + RET(ff_vk_exec_pool_init(vkctx, pv->qf, &pv->e, pv->async_depth, 0, 0, 0, NULL)); /* Init common prores structures */ err = ff_prores_kostya_encode_init(avctx, ctx, vkctx->frames->sw_format); if (err < 0) return err; - /* Temporary frame */ - pv->frame = av_frame_alloc(); - if (!pv->frame) - return AVERROR(ENOMEM); - /* Async data pool */ pv->async_depth = pv->e.pool_size; pv->exec_ctx_info = av_calloc(pv->async_depth, sizeof(*pv->exec_ctx_info)); @@ -947,6 +905,9 @@ static av_cold int encode_init(AVCodecContext *avctx) for (int i = 0; i < pv->async_depth; i++) pv->e.contexts[i].opaque = &pv->exec_ctx_info[i]; + RET(ff_vk_encode_loop_init(vkctx, &pv->e, &pv->loop, + vulkan_encode_prores_submit_frame, get_packet)); + /* Compile shaders used by encoder */ init_slice_data_pipeline(pv, &pv->slice_data_shd[0], 2); init_slice_data_pipeline(pv, &pv->slice_data_shd[1], 4); @@ -1069,6 +1030,7 @@ const FFCodec ff_prores_ks_vulkan_encoder = { .init = encode_init, .close = encode_close, FF_CODEC_RECEIVE_PACKET_CB(&vulkan_encode_prores_receive_packet), + .flush = &vulkan_encode_prores_flush, .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_ENCODER_FLUSH | @@ -1078,5 +1040,5 @@ const FFCodec ff_prores_ks_vulkan_encoder = { .color_ranges = AVCOL_RANGE_MPEG, .p.priv_class = &proresenc_class, .p.profiles = NULL_IF_CONFIG_SMALL(ff_prores_profiles), - .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_EOF_FLUSH, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, }; diff --git a/libavcodec/vulkan_video.c b/libavcodec/vulkan_video.c index 838d681e64..a4b1caede4 100644 --- a/libavcodec/vulkan_video.c +++ b/libavcodec/vulkan_video.c @@ -17,6 +17,7 @@ */ #include "libavutil/mem.h" +#include "encode.h" #include "vulkan_video.h" #define ASPECT_2PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT) @@ -629,3 +630,118 @@ int ff_vk_seg_gather(FFVulkanContext *s, FFVkExecContext *exec, FFVulkanShader * fail: return err; } + +int ff_vk_encode_loop_init(FFVulkanContext *s, FFVkExecPool *pool, FFVkEncodeLoop *l, + int (*submit_frame)(AVCodecContext *avctx, FFVkExecContext *exec, AVFrame *frame), + int (*get_packet)(AVCodecContext *avctx, FFVkExecContext *exec, AVPacket *pkt)) +{ + l->s = s; + l->pool = pool; + l->submit_frame = submit_frame; + l->get_packet = get_packet; + l->head = 0; + l->in_flight = 0; + + l->frames = av_calloc(pool->pool_size, sizeof(*l->frames)); + l->frame = av_frame_alloc(); + l->pkt = av_packet_alloc(); + if (!l->frames || !l->frame || !l->pkt) + return AVERROR(ENOMEM); + + return 0; +} + +static int loop_get_packet(AVCodecContext *avctx, FFVkEncodeLoop *l, AVPacket *pkt) +{ + int err; + int idx = (l->head + l->pool->pool_size - l->in_flight) % l->pool->pool_size; + + l->in_flight--; + + err = l->get_packet(avctx, &l->pool->contexts[idx], pkt); + if (err < 0) { + av_buffer_unref(&l->frames[idx].opaque_ref); + return err; + } + + pkt->pts = l->frames[idx].pts; + pkt->dts = l->frames[idx].pts; + pkt->duration = l->frames[idx].duration; + if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { + pkt->opaque = l->frames[idx].opaque; + pkt->opaque_ref = l->frames[idx].opaque_ref; + l->frames[idx].opaque_ref = NULL; + } + + return 0; +} + +static int loop_oldest_done(FFVkEncodeLoop *l) +{ + FFVulkanFunctions *vk = &l->s->vkfn; + int idx = (l->head + l->pool->pool_size - l->in_flight) % l->pool->pool_size; + FFVkExecContext *e = &l->pool->contexts[idx]; + uint64_t val; + + return vk->GetSemaphoreCounterValue(l->s->hwctx->act_dev, e->sem, &val) == VK_SUCCESS && + val >= e->sem_value; +} + +int ff_vk_encode_loop_receive_packet(AVCodecContext *avctx, FFVkEncodeLoop *l, + AVPacket *pkt) +{ + int err, eof = 0; + FFVkExecPool *pool = l->pool; + + err = ff_encode_get_frame(avctx, l->frame); + if (err == AVERROR_EOF) { + eof = 1; + } else if (err >= 0) { + l->frames[l->head].pts = l->frame->pts; + l->frames[l->head].duration = l->frame->duration; + if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { + l->frames[l->head].opaque = l->frame->opaque; + l->frames[l->head].opaque_ref = l->frame->opaque_ref; + l->frame->opaque_ref = NULL; + } + + err = l->submit_frame(avctx, &pool->contexts[l->head], l->frame); + av_frame_unref(l->frame); + if (err < 0) { + av_buffer_unref(&l->frames[l->head].opaque_ref); + return err; + } + + l->head = (l->head + 1) % pool->pool_size; + l->in_flight++; + } else if (err != AVERROR(EAGAIN)) { + return err; + } + + if (!l->in_flight) + return eof ? AVERROR_EOF : AVERROR(EAGAIN); + if (l->in_flight < pool->pool_size && !eof && !loop_oldest_done(l)) + return AVERROR(EAGAIN); + + return loop_get_packet(avctx, l, pkt); +} + +void ff_vk_encode_loop_flush(AVCodecContext *avctx, FFVkEncodeLoop *l) +{ + while (l->in_flight) { + if (loop_get_packet(avctx, l, l->pkt) >= 0) + av_packet_unref(l->pkt); + } + l->head = 0; +} + +void ff_vk_encode_loop_uninit(FFVkEncodeLoop *l) +{ + if (l->frames) { + for (int i = 0; i < l->pool->pool_size; i++) + av_buffer_unref(&l->frames[i].opaque_ref); + av_freep(&l->frames); + } + av_frame_free(&l->frame); + av_packet_free(&l->pkt); +} diff --git a/libavcodec/vulkan_video.h b/libavcodec/vulkan_video.h index cc3fe41640..467974d306 100644 --- a/libavcodec/vulkan_video.h +++ b/libavcodec/vulkan_video.h @@ -153,4 +153,45 @@ int ff_vk_seg_gather(FFVulkanContext *s, FFVkExecContext *exec, FFVulkanShader * FFVkBuffer *sparse, uint32_t slot_size, FFVkBuffer *compacted, size_t compacted_offset); +/** + * Frame loop for compute encoders. Keeps up to pool_size frames in flight, + * submitting each into its own execution context, and returns their packets + * in order as soon as they complete, or once the pool is full. + */ +typedef struct FFVkEncodeLoop { + FFVulkanContext *s; + FFVkExecPool *pool; + int (*submit_frame)(AVCodecContext *avctx, FFVkExecContext *exec, AVFrame *frame); + int (*get_packet)(AVCodecContext *avctx, FFVkExecContext *exec, AVPacket *pkt); + + AVFrame *frame; + AVPacket *pkt; + struct { + int64_t pts; + int64_t duration; + void *opaque; + AVBufferRef *opaque_ref; + } *frames; + int head; + int in_flight; +} FFVkEncodeLoop; + +int ff_vk_encode_loop_init(FFVulkanContext *s, FFVkExecPool *pool, FFVkEncodeLoop *l, + int (*submit_frame)(AVCodecContext *avctx, FFVkExecContext *exec, AVFrame *frame), + int (*get_packet)(AVCodecContext *avctx, FFVkExecContext *exec, AVPacket *pkt)); + +/** + * Call from FFCodec.cb.receive_packet; the packet metadata is carried from + * the submitted frame to its packet. + */ +int ff_vk_encode_loop_receive_packet(AVCodecContext *avctx, FFVkEncodeLoop *l, + AVPacket *pkt); + +/** + * Waits for and discards every frame in flight. + */ +void ff_vk_encode_loop_flush(AVCodecContext *avctx, FFVkEncodeLoop *l); + +void ff_vk_encode_loop_uninit(FFVkEncodeLoop *l); + #endif /* AVCODEC_VULKAN_VIDEO_H */ -- To stop receiving notification emails like this one, please contact [email protected]. _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
