e30a0b1b | /* * Copyright (c) 2011 Stefano Sabatini * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file |
9bd23f68 | * filter for showing textual audio frame information |
e30a0b1b | */ |
20dd41af | #include <inttypes.h> #include <stddef.h> |
e30a0b1b | #include "libavutil/adler32.h" |
093804a9 | #include "libavutil/attributes.h" |
a903f8f0 | #include "libavutil/channel_layout.h" |
20dd41af | #include "libavutil/common.h" |
b4679ecd | #include "libavutil/downmix_info.h" #include "libavutil/intreadwrite.h" |
20dd41af | #include "libavutil/mem.h" |
b4679ecd | #include "libavutil/replaygain.h" |
175ab5f9 | #include "libavutil/timestamp.h" |
20dd41af | #include "libavutil/samplefmt.h" |
4522df52 | #include "audio.h" |
e30a0b1b | #include "avfilter.h" |
565e4993 | #include "internal.h" |
e30a0b1b | |
20dd41af | typedef struct AShowInfoContext { /** * Scratch space for individual plane checksums for planar audio */ uint32_t *plane_checksums; } AShowInfoContext; |
e30a0b1b | |
093804a9 | static av_cold void uninit(AVFilterContext *ctx) |
20dd41af | { AShowInfoContext *s = ctx->priv; av_freep(&s->plane_checksums); } |
b4679ecd | static void dump_matrixenc(AVFilterContext *ctx, AVFrameSideData *sd) { enum AVMatrixEncoding enc; av_log(ctx, AV_LOG_INFO, "matrix encoding: "); if (sd->size < sizeof(enum AVMatrixEncoding)) { av_log(ctx, AV_LOG_INFO, "invalid data"); return; } enc = *(enum AVMatrixEncoding *)sd->data; switch (enc) { case AV_MATRIX_ENCODING_NONE: av_log(ctx, AV_LOG_INFO, "none"); break; |
9c21c08f | case AV_MATRIX_ENCODING_DOLBY: av_log(ctx, AV_LOG_INFO, "Dolby Surround"); break; |
b4679ecd | case AV_MATRIX_ENCODING_DPLII: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic II"); break; case AV_MATRIX_ENCODING_DPLIIX: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic IIx"); break; case AV_MATRIX_ENCODING_DPLIIZ: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic IIz"); break; case AV_MATRIX_ENCODING_DOLBYEX: av_log(ctx, AV_LOG_INFO, "Dolby EX"); break; case AV_MATRIX_ENCODING_DOLBYHEADPHONE: av_log(ctx, AV_LOG_INFO, "Dolby Headphone"); break; default: av_log(ctx, AV_LOG_WARNING, "unknown"); break; } } static void dump_downmix(AVFilterContext *ctx, AVFrameSideData *sd) { AVDownmixInfo *di; av_log(ctx, AV_LOG_INFO, "downmix: "); if (sd->size < sizeof(*di)) { av_log(ctx, AV_LOG_INFO, "invalid data"); return; } di = (AVDownmixInfo *)sd->data; av_log(ctx, AV_LOG_INFO, "preferred downmix type - "); switch (di->preferred_downmix_type) { case AV_DOWNMIX_TYPE_LORO: av_log(ctx, AV_LOG_INFO, "Lo/Ro"); break; case AV_DOWNMIX_TYPE_LTRT: av_log(ctx, AV_LOG_INFO, "Lt/Rt"); break; case AV_DOWNMIX_TYPE_DPLII: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic II"); break; default: av_log(ctx, AV_LOG_WARNING, "unknown"); break; } av_log(ctx, AV_LOG_INFO, " Mix levels: center %f (%f ltrt) - " "surround %f (%f ltrt) - lfe %f", di->center_mix_level, di->center_mix_level_ltrt, di->surround_mix_level, di->surround_mix_level_ltrt, di->lfe_mix_level); } static void print_gain(AVFilterContext *ctx, const char *str, int32_t gain) { av_log(ctx, AV_LOG_INFO, "%s - ", str); if (gain == INT32_MIN) av_log(ctx, AV_LOG_INFO, "unknown"); else av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f); av_log(ctx, AV_LOG_INFO, ", "); } static void print_peak(AVFilterContext *ctx, const char *str, uint32_t peak) { av_log(ctx, AV_LOG_INFO, "%s - ", str); if (!peak) av_log(ctx, AV_LOG_INFO, "unknown"); else av_log(ctx, AV_LOG_INFO, "%f", (float)peak / UINT32_MAX); av_log(ctx, AV_LOG_INFO, ", "); } static void dump_replaygain(AVFilterContext *ctx, AVFrameSideData *sd) { AVReplayGain *rg; av_log(ctx, AV_LOG_INFO, "replaygain: "); if (sd->size < sizeof(*rg)) { av_log(ctx, AV_LOG_INFO, "invalid data"); return; } rg = (AVReplayGain*)sd->data; print_gain(ctx, "track gain", rg->track_gain); print_peak(ctx, "track peak", rg->track_peak); print_gain(ctx, "album gain", rg->album_gain); print_peak(ctx, "album peak", rg->album_peak); } static void dump_unknown(AVFilterContext *ctx, AVFrameSideData *sd) { av_log(ctx, AV_LOG_INFO, "unknown side data type: %d, size %d bytes", sd->type, sd->size); } |
7e350379 | static int filter_frame(AVFilterLink *inlink, AVFrame *buf) |
e30a0b1b | { AVFilterContext *ctx = inlink->dst; |
20dd41af | AShowInfoContext *s = ctx->priv; |
e30a0b1b | char chlayout_str[128]; |
20dd41af | uint32_t checksum = 0; |
099dfcaa | int channels = inlink->channels; |
20dd41af | int planar = av_sample_fmt_is_planar(buf->format); int block_align = av_get_bytes_per_sample(buf->format) * (planar ? 1 : channels); |
7e350379 | int data_size = buf->nb_samples * block_align; |
20dd41af | int planes = planar ? channels : 1; int i; |
5cac0656 | void *tmp_ptr = av_realloc(s->plane_checksums, channels * sizeof(*s->plane_checksums)); if (!tmp_ptr) return AVERROR(ENOMEM); s->plane_checksums = tmp_ptr; |
20dd41af | for (i = 0; i < planes; i++) { uint8_t *data = buf->extended_data[i]; s->plane_checksums[i] = av_adler32_update(0, data, data_size); checksum = i ? av_adler32_update(checksum, data, data_size) : s->plane_checksums[0]; |
e30a0b1b | } av_get_channel_layout_string(chlayout_str, sizeof(chlayout_str), -1, |
7e350379 | buf->channel_layout); |
e30a0b1b | av_log(ctx, AV_LOG_INFO, |
39dc1bc9 | "n:%"PRId64" pts:%s pts_time:%s pos:%"PRId64" " |
79456652 | "fmt:%s channels:%d chlayout:%s rate:%d nb_samples:%d " |
7513234b | "checksum:%08"PRIX32" ", |
39dc1bc9 | inlink->frame_count, |
e79c3858 | av_ts2str(buf->pts), av_ts2timestr(buf->pts, &inlink->time_base), |
a05a44e2 | av_frame_get_pkt_pos(buf), av_get_sample_fmt_name(buf->format), av_frame_get_channels(buf), chlayout_str, |
7e350379 | buf->sample_rate, buf->nb_samples, |
20dd41af | checksum); av_log(ctx, AV_LOG_INFO, "plane_checksums: [ "); for (i = 0; i < planes; i++) |
7513234b | av_log(ctx, AV_LOG_INFO, "%08"PRIX32" ", s->plane_checksums[i]); |
f89f9bda | av_log(ctx, AV_LOG_INFO, "]\n"); |
e30a0b1b | |
b4679ecd | for (i = 0; i < buf->nb_side_data; i++) { AVFrameSideData *sd = buf->side_data[i]; av_log(ctx, AV_LOG_INFO, " side data - "); switch (sd->type) { case AV_FRAME_DATA_MATRIXENCODING: dump_matrixenc (ctx, sd); break; case AV_FRAME_DATA_DOWNMIX_INFO: dump_downmix (ctx, sd); break; case AV_FRAME_DATA_REPLAYGAIN: dump_replaygain(ctx, sd); break; default: dump_unknown (ctx, sd); break; } av_log(ctx, AV_LOG_INFO, "\n"); } |
cd7febd3 | return ff_filter_frame(inlink->dst->outputs[0], buf); |
e30a0b1b | } |
20dd41af | static const AVFilterPad inputs[] = { { |
b211607b | .name = "default", .type = AVMEDIA_TYPE_AUDIO, .filter_frame = filter_frame, |
20dd41af | }, |
b211607b | { NULL } |
20dd41af | }; static const AVFilterPad outputs[] = { { .name = "default", .type = AVMEDIA_TYPE_AUDIO, }, |
b211607b | { NULL } |
20dd41af | }; |
cd43ca04 | AVFilter ff_af_ashowinfo = { |
e30a0b1b | .name = "ashowinfo", .description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."), |
20dd41af | .priv_size = sizeof(AShowInfoContext), .uninit = uninit, .inputs = inputs, .outputs = outputs, |
e30a0b1b | }; |