diff --git a/libavfilter/vf_framerate.c b/libavfilter/vf_framerate.c index 3e2615be5e..fb65381923 100644 --- a/libavfilter/vf_framerate.c +++ b/libavfilter/vf_framerate.c @@ -38,6 +38,7 @@ #include "avfilter.h" #include "internal.h" #include "video.h" +#include "filters.h" #include "framerate.h" #define OFFSET(x) offsetof(FrameRateContext, x) @@ -360,53 +361,81 @@ static int config_input(AVFilterLink *inlink) return 0; } -static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref) +static int activate(AVFilterContext *ctx) { - int ret; - AVFilterContext *ctx = inlink->dst; + int ret, status; + AVFilterLink *inlink = ctx->inputs[0]; + AVFilterLink *outlink = ctx->outputs[0]; FrameRateContext *s = ctx->priv; + AVFrame *inpicref; int64_t pts; - if (inpicref->interlaced_frame) - av_log(ctx, AV_LOG_WARNING, "Interlaced frame found - the output will not be correct.\n"); + FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink); - if (inpicref->pts == AV_NOPTS_VALUE) { - av_log(ctx, AV_LOG_WARNING, "Ignoring frame without PTS.\n"); - return 0; +retry: + ret = process_work_frame(ctx); + if (ret < 0) + return ret; + else if (ret == 1) + return ff_filter_frame(outlink, s->work); + + ret = ff_inlink_consume_frame(inlink, &inpicref); + if (ret < 0) + return ret; + + if (inpicref) { + if (inpicref->interlaced_frame) + av_log(ctx, AV_LOG_WARNING, "Interlaced frame found - the output will not be correct.\n"); + + if (inpicref->pts == AV_NOPTS_VALUE) { + av_log(ctx, AV_LOG_WARNING, "Ignoring frame without PTS.\n"); + av_frame_free(&inpicref); + } } - pts = av_rescale_q(inpicref->pts, s->srce_time_base, s->dest_time_base); - if (s->f1 && pts == s->pts1) { - av_log(ctx, AV_LOG_WARNING, "Ignoring frame with same PTS.\n"); - return 0; + if (inpicref) { + pts = av_rescale_q(inpicref->pts, s->srce_time_base, s->dest_time_base); + + if (s->f1 && pts == s->pts1) { + av_log(ctx, AV_LOG_WARNING, "Ignoring frame with same PTS.\n"); + av_frame_free(&inpicref); + } } - av_frame_free(&s->f0); - s->f0 = s->f1; - s->pts0 = s->pts1; - s->f1 = inpicref; - s->pts1 = pts; - s->delta = s->pts1 - s->pts0; - s->score = -1.0; - - if (s->delta < 0) { - av_log(ctx, AV_LOG_WARNING, "PTS discontinuity.\n"); - s->start_pts = s->pts1; - s->n = 0; + if (inpicref) { av_frame_free(&s->f0); + s->f0 = s->f1; + s->pts0 = s->pts1; + s->f1 = inpicref; + s->pts1 = pts; + s->delta = s->pts1 - s->pts0; + s->score = -1.0; + + if (s->delta < 0) { + av_log(ctx, AV_LOG_WARNING, "PTS discontinuity.\n"); + s->start_pts = s->pts1; + s->n = 0; + av_frame_free(&s->f0); + } + + if (s->start_pts == AV_NOPTS_VALUE) + s->start_pts = s->pts1; + + goto retry; } - if (s->start_pts == AV_NOPTS_VALUE) - s->start_pts = s->pts1; + if (ff_inlink_acknowledge_status(inlink, &status, &pts)) { + if (!s->flush) { + s->flush = 1; + goto retry; + } + ff_outlink_set_status(outlink, status, pts); + return 0; + } - do { - ret = process_work_frame(ctx); - if (ret <= 0) - return ret; - ret = ff_filter_frame(ctx->outputs[0], s->work); - } while (ret >= 0); + FF_FILTER_FORWARD_WANTED(outlink, inlink); - return ret; + return FFERROR_NOT_READY; } static int config_output(AVFilterLink *outlink) @@ -454,33 +483,11 @@ static int config_output(AVFilterLink *outlink) return 0; } -static int request_frame(AVFilterLink *outlink) -{ - AVFilterContext *ctx = outlink->src; - FrameRateContext *s = ctx->priv; - int ret; - - ff_dlog(ctx, "request_frame()\n"); - - ret = ff_request_frame(ctx->inputs[0]); - if (ret == AVERROR_EOF && s->f1 && !s->flush) { - s->flush = 1; - ret = process_work_frame(ctx); - if (ret < 0) - return ret; - ret = ret ? ff_filter_frame(ctx->outputs[0], s->work) : AVERROR_EOF; - } - - ff_dlog(ctx, "request_frame() source's request_frame() returned:%d\n", ret); - return ret; -} - static const AVFilterPad framerate_inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .config_props = config_input, - .filter_frame = filter_frame, }, { NULL } }; @@ -489,7 +496,6 @@ static const AVFilterPad framerate_outputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, - .request_frame = request_frame, .config_props = config_output, }, { NULL } @@ -506,4 +512,5 @@ AVFilter ff_vf_framerate = { .inputs = framerate_inputs, .outputs = framerate_outputs, .flags = AVFILTER_FLAG_SLICE_THREADS, + .activate = activate, };