Showing the changes to libavfilter (1 of 1 file). Show all
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| @@ -23,6 +23,7 @@ · 22 unmodified lines | ||
| 23 | 23 | |
| 24 | 24 | #include <float.h> /* DBL_MAX */ |
| 25 | 25 | |
| 26 | +#include "libavutil/audio_fifo.h" | |
| 26 | 27 | #include "libavutil/avassert.h" |
| 27 | 28 | #include "libavutil/opt.h" |
| 28 | 29 | #include "libavutil/timestamp.h" |
| @@ -103,6 +104,8 @@ typedef struct SilenceRemoveContext { · 74 unmodified lines | ||
| 103 | 104 | double (*compute)(struct SilenceRemoveContext *s, AVFrame *frame, int ch, int offset); |
| 104 | 105 | void (*copy)(struct SilenceRemoveContext *s, AVFrame *out, AVFrame *in, |
| 105 | 106 | int ch, int out_offset, int in_offset); |
| 107 | + | |
| 108 | + AVAudioFifo *fifo; | |
| 106 | 109 | } SilenceRemoveContext; |
| 107 | 110 | |
| 108 | 111 | #define OFFSET(x) offsetof(SilenceRemoveContext, x) |
| @@ -542,12 +545,16 @@ static int config_input(AVFilterLink *inlink) · 433 unmodified lines | ||
| 542 | 545 | return AVERROR_BUG; |
| 543 | 546 | } |
| 544 | 547 | |
| 548 | + s->fifo = av_audio_fifo_alloc(inlink->format, inlink->channels, 1024); | |
| 549 | + if (!s->fifo) | |
| 550 | + return AVERROR(ENOMEM); | |
| 551 | + | |
| 545 | 552 | return 0; |
| 546 | 553 | } |
| 547 | 554 | |
| 548 | 555 | static void flush(SilenceRemoveContext *s, |
| 549 | 556 | AVFrame *out, AVFilterLink *outlink, |
| 550 | − int *nb_samples_written, int *ret, int flush_silence) | |
| 557 | + int *nb_samples_written, int flush_silence) | |
| 551 | 558 | { |
| 552 | 559 | AVFrame *silence; |
| 553 | 560 | |
| @@ -559,22 +566,18 @@ static void flush(SilenceRemoveContext *s, · 5 unmodified lines | ||
| 559 | 566 | (AVRational){1, outlink->sample_rate}, |
| 560 | 567 | outlink->time_base); |
| 561 | 568 | |
| 562 | − *ret = ff_filter_frame(outlink, out); | |
| 563 | − if (*ret < 0) | |
| 564 | − return; | |
| 569 | + av_audio_fifo_write(s->fifo, (void **)out->extended_data, out->nb_samples); | |
| 565 | 570 | *nb_samples_written = 0; |
| 566 | − } else { | |
| 567 | − av_frame_free(&out); | |
| 568 | 571 | } |
| 569 | 572 | |
| 573 | + av_frame_free(&out); | |
| 574 | + | |
| 570 | 575 | if (s->stop_silence_end <= 0 || !flush_silence) |
| 571 | 576 | return; |
| 572 | 577 | |
| 573 | 578 | silence = ff_get_audio_buffer(outlink, s->stop_silence_end); |
| 574 | − if (!silence) { | |
| 575 | − *ret = AVERROR(ENOMEM); | |
| 579 | + if (!silence) | |
| 576 | 580 | return; |
| 577 | − } | |
| 578 | 581 | |
| 579 | 582 | if (s->stop_silence_offset < s->stop_silence_end) { |
| 580 | 583 | av_samples_copy(silence->extended_data, s->stop_silence_hold->extended_data, 0, |
| @@ -598,7 +601,8 @@ static void flush(SilenceRemoveContext *s, · 17 unmodified lines | ||
| 598 | 601 | (AVRational){1, outlink->sample_rate}, |
| 599 | 602 | outlink->time_base); |
| 600 | 603 | |
| 601 | − *ret = ff_filter_frame(outlink, silence); | |
| 604 | + av_audio_fifo_write(s->fifo, (void **)silence->extended_data, silence->nb_samples); | |
| 605 | + av_frame_free(&silence); | |
| 602 | 606 | } |
| 603 | 607 | |
| 604 | 608 | static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
| @@ -727,7 +731,8 @@ silence_trim_flush: · 122 unmodified lines | ||
| 727 | 731 | |
| 728 | 732 | s->start_holdoff_offset += nbs; |
| 729 | 733 | |
| 730 | − ret = ff_filter_frame(outlink, out); | |
| 734 | + av_audio_fifo_write(s->fifo, (void **)out->extended_data, out->nb_samples); | |
| 735 | + av_frame_free(&out); | |
| 731 | 736 | |
| 732 | 737 | if (s->start_holdoff_offset == s->start_holdoff_end) { |
| 733 | 738 | s->start_holdoff_offset = 0; |
| @@ -771,7 +776,7 @@ silence_copy: · 37 unmodified lines | ||
| 771 | 776 | |
| 772 | 777 | if (threshold && s->stop_holdoff_end && !s->stop_silence) { |
| 773 | 778 | s->mode = SILENCE_COPY_FLUSH; |
| 774 | − flush(s, out, outlink, &nb_samples_written, &ret, 0); | |
| 779 | + flush(s, out, outlink, &nb_samples_written, 0); | |
| 775 | 780 | goto silence_copy_flush; |
| 776 | 781 | } else if (threshold) { |
| 777 | 782 | for (j = 0; j < outlink->channels; j++) { |
| @@ -812,7 +817,7 @@ silence_copy: · 34 unmodified lines | ||
| 812 | 817 | |
| 813 | 818 | if (!s->restart) { |
| 814 | 819 | s->mode = SILENCE_STOP; |
| 815 | − flush(s, out, outlink, &nb_samples_written, &ret, 1); | |
| 820 | + flush(s, out, outlink, &nb_samples_written, 1); | |
| 816 | 821 | goto silence_stop; |
| 817 | 822 | } else { |
| 818 | 823 | s->stop_found_periods = 0; |
| @@ -823,17 +828,17 @@ silence_copy: · 4 unmodified lines | ||
| 823 | 828 | s->start_silence_end = 0; |
| 824 | 829 | clear_window(s); |
| 825 | 830 | s->mode = SILENCE_TRIM; |
| 826 | − flush(s, out, outlink, &nb_samples_written, &ret, 1); | |
| 831 | + flush(s, out, outlink, &nb_samples_written, 1); | |
| 827 | 832 | goto silence_trim; |
| 828 | 833 | } |
| 829 | 834 | } |
| 830 | 835 | s->mode = SILENCE_COPY_FLUSH; |
| 831 | − flush(s, out, outlink, &nb_samples_written, &ret, 0); | |
| 836 | + flush(s, out, outlink, &nb_samples_written, 0); | |
| 832 | 837 | goto silence_copy_flush; |
| 833 | 838 | } |
| 834 | 839 | } |
| 835 | 840 | } |
| 836 | − flush(s, out, outlink, &nb_samples_written, &ret, 0); | |
| 841 | + flush(s, out, outlink, &nb_samples_written, 0); | |
| 837 | 842 | } else { |
| 838 | 843 | av_samples_copy(out->extended_data, in->extended_data, |
| 839 | 844 | nb_samples_written, |
| @@ -845,7 +850,8 @@ silence_copy: · 5 unmodified lines | ||
| 845 | 850 | (AVRational){1, outlink->sample_rate}, |
| 846 | 851 | outlink->time_base); |
| 847 | 852 | |
| 848 | − ret = ff_filter_frame(outlink, out); | |
| 853 | + av_audio_fifo_write(s->fifo, (void **)out->extended_data, out->nb_samples); | |
| 854 | + av_frame_free(&out); | |
| 849 | 855 | } |
| 850 | 856 | break; |
| 851 | 857 | |
| @@ -872,7 +878,8 @@ silence_copy_flush: · 20 unmodified lines | ||
| 872 | 878 | (AVRational){1, outlink->sample_rate}, |
| 873 | 879 | outlink->time_base); |
| 874 | 880 | |
| 875 | − ret = ff_filter_frame(outlink, out); | |
| 881 | + av_audio_fifo_write(s->fifo, (void **)out->extended_data, out->nb_samples); | |
| 882 | + av_frame_free(&out); | |
| 876 | 883 | |
| 877 | 884 | if (s->stop_holdoff_offset == s->stop_holdoff_end) { |
| 878 | 885 | s->stop_holdoff_offset = 0; |
| @@ -892,6 +899,16 @@ silence_stop: · 13 unmodified lines | ||
| 892 | 899 | |
| 893 | 900 | av_frame_free(&in); |
| 894 | 901 | |
| 902 | + if (av_audio_fifo_size(s->fifo) > 0) { | |
| 903 | + out = ff_get_audio_buffer(outlink, av_audio_fifo_size(s->fifo)); | |
| 904 | + if (!out) | |
| 905 | + return AVERROR(ENOMEM); | |
| 906 | + | |
| 907 | + av_audio_fifo_read(s->fifo, (void **)out->extended_data, out->nb_samples); | |
| 908 | + out->pts = s->next_pts; | |
| 909 | + ret = ff_filter_frame(outlink, out); | |
| 910 | + } | |
| 911 | + | |
| 895 | 912 | return ret; |
| 896 | 913 | } |
| 897 | 914 | |
| @@ -955,6 +972,9 @@ static av_cold void uninit(AVFilterContext *ctx) · 57 unmodified lines | ||
| 955 | 972 | av_frame_free(&s->stop_holdoff); |
| 956 | 973 | av_frame_free(&s->stop_silence_hold); |
| 957 | 974 | av_frame_free(&s->window); |
| 975 | + | |
| 976 | + av_audio_fifo_free(s->fifo); | |
| 977 | + s->fifo = NULL; | |
| 958 | 978 | } |
| 959 | 979 | |
| 960 | 980 | static const AVFilterPad silenceremove_inputs[] = { |