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author | Paul B Mahol <onemda@gmail.com> | 2019-04-23 12:40:04 +0200 |
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committer | Paul B Mahol <onemda@gmail.com> | 2019-04-23 13:37:41 +0200 |
commit | ce15c3a4c8d6d2da8fd7aa82cc27783f9bcc17d6 (patch) | |
tree | 068b7dfbc3e355281985e9ce710896f8501d3ca2 /libavfilter/af_surround.c | |
parent | 7a128ac2bca21ba98b0ff105457c38a6ba7c9ed1 (diff) | |
download | ffmpeg-ce15c3a4c8d6d2da8fd7aa82cc27783f9bcc17d6.tar.gz |
avfilter/af_surround: switch to activate
Diffstat (limited to 'libavfilter/af_surround.c')
-rw-r--r-- | libavfilter/af_surround.c | 107 |
1 files changed, 65 insertions, 42 deletions
diff --git a/libavfilter/af_surround.c b/libavfilter/af_surround.c index 2e883a9f36..d838ecd36b 100644 --- a/libavfilter/af_surround.c +++ b/libavfilter/af_surround.c @@ -24,6 +24,8 @@ #include "libavcodec/avfft.h" #include "avfilter.h" #include "audio.h" +#include "filters.h" +#include "internal.h" #include "formats.h" #include "window_func.h" @@ -90,6 +92,7 @@ typedef struct AudioSurroundContext { float *window_func_lut; int64_t pts; + int eof; void (*filter)(AVFilterContext *ctx); void (*upmix_stereo)(AVFilterContext *ctx, @@ -1491,70 +1494,91 @@ static int ifft_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs) return 0; } -static int filter_frame(AVFilterLink *inlink, AVFrame *in) +static int filter_frame(AVFilterLink *inlink) { AVFilterContext *ctx = inlink->dst; AVFilterLink *outlink = ctx->outputs[0]; AudioSurroundContext *s = ctx->priv; + AVFrame *out; int ret; - ret = av_audio_fifo_write(s->fifo, (void **)in->extended_data, - in->nb_samples); - if (ret >= 0 && s->pts == AV_NOPTS_VALUE) - s->pts = in->pts; - - av_frame_free(&in); + ret = av_audio_fifo_peek(s->fifo, (void **)s->input->extended_data, s->buf_size); if (ret < 0) return ret; - while (av_audio_fifo_size(s->fifo) >= s->buf_size) { - AVFrame *out; + ctx->internal->execute(ctx, fft_channel, NULL, NULL, inlink->channels); - ret = av_audio_fifo_peek(s->fifo, (void **)s->input->extended_data, s->buf_size); - if (ret < 0) - return ret; + s->filter(ctx); - ctx->internal->execute(ctx, fft_channel, NULL, NULL, inlink->channels); + out = ff_get_audio_buffer(outlink, s->hop_size); + if (!out) + return AVERROR(ENOMEM); - s->filter(ctx); + ctx->internal->execute(ctx, ifft_channel, out, NULL, outlink->channels); - out = ff_get_audio_buffer(outlink, s->hop_size); - if (!out) - return AVERROR(ENOMEM); + out->pts = s->pts; + if (s->pts != AV_NOPTS_VALUE) + s->pts += av_rescale_q(out->nb_samples, (AVRational){1, outlink->sample_rate}, outlink->time_base); + av_audio_fifo_drain(s->fifo, FFMIN(av_audio_fifo_size(s->fifo), s->hop_size)); - ctx->internal->execute(ctx, ifft_channel, out, NULL, outlink->channels); + return ff_filter_frame(outlink, out); +} - out->pts = s->pts; - if (s->pts != AV_NOPTS_VALUE) - s->pts += av_rescale_q(out->nb_samples, (AVRational){1, outlink->sample_rate}, outlink->time_base); - av_audio_fifo_drain(s->fifo, s->hop_size); - ret = ff_filter_frame(outlink, out); +static int activate(AVFilterContext *ctx) +{ + AVFilterLink *inlink = ctx->inputs[0]; + AVFilterLink *outlink = ctx->outputs[0]; + AudioSurroundContext *s = ctx->priv; + AVFrame *in = NULL; + int ret = 0, status; + int64_t pts; + + FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink); + + if (!s->eof && av_audio_fifo_size(s->fifo) < s->buf_size) { + ret = ff_inlink_consume_frame(inlink, &in); if (ret < 0) return ret; - } - return 0; -} + if (ret > 0) { + ret = av_audio_fifo_write(s->fifo, (void **)in->extended_data, + in->nb_samples); + if (ret >= 0 && s->pts == AV_NOPTS_VALUE) + s->pts = in->pts; -static int request_frame(AVFilterLink *outlink) -{ - AVFilterContext *ctx = outlink->src; - AudioSurroundContext *s = ctx->priv; - int ret = 0; + av_frame_free(&in); + if (ret < 0) + return ret; + } + } - ret = ff_request_frame(ctx->inputs[0]); + if ((av_audio_fifo_size(s->fifo) >= s->buf_size) || + (av_audio_fifo_size(s->fifo) > 0 && s->eof)) { + ret = filter_frame(inlink); + if (av_audio_fifo_size(s->fifo) >= s->buf_size) + ff_filter_set_ready(ctx, 100); + return ret; + } - if (ret == AVERROR_EOF && av_audio_fifo_size(s->fifo) > 0 && av_audio_fifo_size(s->fifo) < s->buf_size) { - AVFrame *in; + if (!s->eof && ff_inlink_acknowledge_status(inlink, &status, &pts)) { + if (status == AVERROR_EOF) { + s->eof = 1; + if (av_audio_fifo_size(s->fifo) >= 0) { + ff_filter_set_ready(ctx, 100); + return 0; + } + } + } - in = ff_get_audio_buffer(outlink, s->buf_size - av_audio_fifo_size(s->fifo)); - if (!in) - return AVERROR(ENOMEM); - ret = filter_frame(ctx->inputs[0], in); - av_audio_fifo_drain(s->fifo, s->buf_size); + if (s->eof && av_audio_fifo_size(s->fifo) <= 0) { + ff_outlink_set_status(outlink, AVERROR_EOF, s->pts); + return 0; } - return ret; + if (!s->eof) + FF_FILTER_FORWARD_WANTED(outlink, inlink); + + return FFERROR_NOT_READY; } static av_cold void uninit(AVFilterContext *ctx) @@ -1649,7 +1673,6 @@ static const AVFilterPad inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_AUDIO, - .filter_frame = filter_frame, .config_props = config_input, }, { NULL } @@ -1659,7 +1682,6 @@ static const AVFilterPad outputs[] = { { .name = "default", .type = AVMEDIA_TYPE_AUDIO, - .request_frame = request_frame, .config_props = config_output, }, { NULL } @@ -1673,6 +1695,7 @@ AVFilter ff_af_surround = { .priv_class = &surround_class, .init = init, .uninit = uninit, + .activate = activate, .inputs = inputs, .outputs = outputs, .flags = AVFILTER_FLAG_SLICE_THREADS, |