From 9cf0079638e1e625305ba049cb3c1f57e88c1b49 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Mon, 16 Apr 2018 16:08:55 +0200 Subject: avfilter/af_headphone: switch to activate Signed-off-by: Paul B Mahol --- libavfilter/af_headphone.c | 154 ++++++++++++++++++++------------------------- 1 file changed, 67 insertions(+), 87 deletions(-) (limited to 'libavfilter') diff --git a/libavfilter/af_headphone.c b/libavfilter/af_headphone.c index 7910132218..6b210e1436 100644 --- a/libavfilter/af_headphone.c +++ b/libavfilter/af_headphone.c @@ -29,6 +29,7 @@ #include "libavcodec/avfft.h" #include "avfilter.h" +#include "filters.h" #include "internal.h" #include "audio.h" @@ -48,7 +49,6 @@ typedef struct HeadphoneContext { int have_hrirs; int eof_hrirs; - int64_t pts; int ir_len; @@ -328,15 +328,11 @@ static int headphone_fast_convolute(AVFilterContext *ctx, void *arg, int jobnr, return 0; } -static int read_ir(AVFilterLink *inlink, AVFrame *frame) +static int read_ir(AVFilterLink *inlink, int input_number, AVFrame *frame) { AVFilterContext *ctx = inlink->dst; HeadphoneContext *s = ctx->priv; - int ir_len, max_ir_len, input_number, ret; - - for (input_number = 0; input_number < s->nb_inputs; input_number++) - if (inlink == ctx->inputs[input_number]) - break; + int ir_len, max_ir_len, ret; ret = av_audio_fifo_write(s->in[input_number].fifo, (void **)frame->extended_data, frame->nb_samples); @@ -357,22 +353,19 @@ static int read_ir(AVFilterLink *inlink, AVFrame *frame) return 0; } -static int headphone_frame(HeadphoneContext *s, AVFilterLink *outlink, int max_nb_samples) +static int headphone_frame(HeadphoneContext *s, AVFrame *in, AVFilterLink *outlink) { AVFilterContext *ctx = outlink->src; - AVFrame *in = s->in[0].frame; int n_clippings[2] = { 0 }; ThreadData td; AVFrame *out; - av_audio_fifo_read(s->in[0].fifo, (void **)in->extended_data, s->size); - out = ff_get_audio_buffer(outlink, in->nb_samples); - if (!out) + if (!out) { + av_frame_free(&in); 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); + } + out->pts = in->pts; td.in = in; td.out = out; td.write = s->write; td.delay = s->delay; td.ir = s->data_ir; td.n_clippings = n_clippings; @@ -391,7 +384,7 @@ static int headphone_frame(HeadphoneContext *s, AVFilterLink *outlink, int max_n n_clippings[0] + n_clippings[1], out->nb_samples * 2); } - out->nb_samples = max_nb_samples; + av_frame_free(&in); return ff_filter_frame(outlink, out); } @@ -464,11 +457,6 @@ static int convert_coeffs(AVFilterContext *ctx, AVFilterLink *inlink) goto fail; } - s->in[0].frame = ff_get_audio_buffer(ctx->inputs[0], s->size); - if (!s->in[0].frame) { - ret = AVERROR(ENOMEM); - goto fail; - } for (i = 0; i < s->nb_inputs - 1; i++) { s->in[i + 1].frame = ff_get_audio_buffer(ctx->inputs[i + 1], s->ir_len); if (!s->in[i + 1].frame) { @@ -624,22 +612,58 @@ fail: return ret; } -static int filter_frame(AVFilterLink *inlink, AVFrame *in) +static int activate(AVFilterContext *ctx) { - AVFilterContext *ctx = inlink->dst; HeadphoneContext *s = ctx->priv; + AVFilterLink *inlink = ctx->inputs[0]; AVFilterLink *outlink = ctx->outputs[0]; - int ret = 0; + AVFrame *in = NULL; + int i, ret; - ret = av_audio_fifo_write(s->in[0].fifo, (void **)in->extended_data, - in->nb_samples); - if (s->pts == AV_NOPTS_VALUE) - s->pts = in->pts; + FF_FILTER_FORWARD_STATUS_BACK_ALL(ctx->outputs[0], ctx); + if (!s->eof_hrirs) { + for (i = 1; i < s->nb_inputs; i++) { + AVFrame *ir = NULL; + int64_t pts; + int status; - av_frame_free(&in); + if (s->in[i].eof) + continue; - if (ret < 0) - return ret; + if ((ret = ff_inlink_consume_frame(ctx->inputs[i], &ir)) > 0) { + ret = read_ir(ctx->inputs[i], i, ir); + if (ret < 0) + return ret; + } + if (ret < 0) + return ret; + + if (!s->in[i].eof) { + if (ff_inlink_acknowledge_status(ctx->inputs[i], &status, &pts)) { + if (status == AVERROR_EOF) { + s->in[i].eof = 1; + } + } + } + } + + for (i = 1; i < s->nb_inputs; i++) { + if (!s->in[i].eof) + break; + } + + if (i != s->nb_inputs) { + if (ff_outlink_frame_wanted(ctx->outputs[0])) { + for (i = 1; i < s->nb_inputs; i++) { + if (!s->in[i].eof) + ff_inlink_request_frame(ctx->inputs[i]); + } + } + return 0; + } else { + s->eof_hrirs = 1; + } + } if (!s->have_hrirs && s->eof_hrirs) { ret = convert_coeffs(ctx, inlink); @@ -647,14 +671,19 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) return ret; } - if (s->have_hrirs) { - while (av_audio_fifo_size(s->in[0].fifo) >= s->size) { - ret = headphone_frame(s, outlink, s->size); - if (ret < 0) - return ret; - } + if ((ret = ff_inlink_consume_samples(ctx->inputs[0], s->size, s->size, &in)) > 0) { + ret = headphone_frame(s, in, outlink); + if (ret < 0) + return ret; } + if (ret < 0) + return ret; + + FF_FILTER_FORWARD_STATUS(ctx->inputs[0], ctx->outputs[0]); + if (ff_outlink_frame_wanted(ctx->outputs[0])) + ff_inlink_request_frame(ctx->inputs[0]); + return 0; } @@ -733,7 +762,6 @@ static av_cold int init(AVFilterContext *ctx) .name = "in0", .type = AVMEDIA_TYPE_AUDIO, .config_props = config_input, - .filter_frame = filter_frame, }; if ((ret = ff_insert_inpad(ctx, 0, &pad)) < 0) return ret; @@ -754,7 +782,6 @@ static av_cold int init(AVFilterContext *ctx) AVFilterPad pad = { .name = name, .type = AVMEDIA_TYPE_AUDIO, - .filter_frame = read_ir, }; if (!name) return AVERROR(ENOMEM); @@ -767,7 +794,6 @@ static av_cold int init(AVFilterContext *ctx) s->fdsp = avpriv_float_dsp_alloc(0); if (!s->fdsp) return AVERROR(ENOMEM); - s->pts = AV_NOPTS_VALUE; return 0; } @@ -798,52 +824,6 @@ static int config_output(AVFilterLink *outlink) return 0; } -static int request_frame(AVFilterLink *outlink) -{ - AVFilterContext *ctx = outlink->src; - HeadphoneContext *s = ctx->priv; - int i, ret; - - for (i = 1; !s->eof_hrirs && i < s->nb_inputs; i++) { - if (!s->in[i].eof) { - ret = ff_request_frame(ctx->inputs[i]); - if (ret == AVERROR_EOF) { - s->in[i].eof = 1; - ret = 0; - } - return ret; - } else { - if (i == s->nb_inputs - 1) - s->eof_hrirs = 1; - } - } - - ret = ff_request_frame(ctx->inputs[0]); - if (ret == AVERROR_EOF && av_audio_fifo_size(s->in[0].fifo) > 0 && s->have_hrirs) { - int nb_samples = av_audio_fifo_size(s->in[0].fifo); - AVFrame *in = ff_get_audio_buffer(ctx->inputs[0], s->size - nb_samples); - - if (!in) - return AVERROR(ENOMEM); - - av_samples_set_silence(in->extended_data, 0, - in->nb_samples, - in->channels, - in->format); - - ret = av_audio_fifo_write(s->in[0].fifo, (void **)in->extended_data, - in->nb_samples); - av_frame_free(&in); - if (ret < 0) - return ret; - ret = headphone_frame(s, outlink, nb_samples); - - av_audio_fifo_drain(s->in[0].fifo, av_audio_fifo_size(s->in[0].fifo)); - } - - return ret; -} - static av_cold void uninit(AVFilterContext *ctx) { HeadphoneContext *s = ctx->priv; @@ -900,7 +880,6 @@ static const AVFilterPad outputs[] = { .name = "default", .type = AVMEDIA_TYPE_AUDIO, .config_props = config_output, - .request_frame = request_frame, }, { NULL } }; @@ -913,6 +892,7 @@ AVFilter ff_af_headphone = { .init = init, .uninit = uninit, .query_formats = query_formats, + .activate = activate, .inputs = NULL, .outputs = outputs, .flags = AVFILTER_FLAG_SLICE_THREADS | AVFILTER_FLAG_DYNAMIC_INPUTS, -- cgit v1.2.3