FFmpeg coverage

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2023 Paul B Mahol
3			*
4			* This file is part of FFmpeg.
5			*
6			* FFmpeg is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10			*
11			* FFmpeg is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15			*
16			* You should have received a copy of the GNU Lesser General Public
17			* License along with FFmpeg; if not, write to the Free Software
18			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19			*/
20
21			#include "libavutil/channel_layout.h"
22			#include "libavutil/common.h"
23			#include "libavutil/float_dsp.h"
24			#include "libavutil/mem.h"
25			#include "libavutil/opt.h"
26
27			#include "audio.h"
28			#include "avfilter.h"
29			#include "formats.h"
30			#include "filters.h"
31
32			enum OutModes {
33			IN_MODE,
34			DESIRED_MODE,
35			OUT_MODE,
36			NOISE_MODE,
37			ERROR_MODE,
38			NB_OMODES
39			};
40
41			typedef struct AudioAPContext {
42			const AVClass *class;
43
44			int order;
45			int projection;
46			float mu;
47			float delta;
48			int output_mode;
49			int precision;
50
51			int kernel_size;
52			AVFrame *offset;
53			AVFrame *delay;
54			AVFrame *coeffs;
55			AVFrame *e;
56			AVFrame *p;
57			AVFrame *x;
58			AVFrame *w;
59			AVFrame *dcoeffs;
60			AVFrame *tmp;
61			AVFrame *tmpm;
62			AVFrame *itmpm;
63
64			void **tmpmp;
65			void **itmpmp;
66
67			AVFrame *frame[2];
68
69			int (*filter_channels)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
70
71			AVFloatDSPContext *fdsp;
72			} AudioAPContext;
73
74			#define OFFSET(x) offsetof(AudioAPContext, x)
75			#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
76			#define AT AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
77
78			static const AVOption aap_options[] = {
79			{ "order", "set the filter order", OFFSET(order), AV_OPT_TYPE_INT, {.i64=16}, 1, INT16_MAX, A },
80			{ "projection", "set the filter projection", OFFSET(projection), AV_OPT_TYPE_INT, {.i64=2}, 1, 256, A },
81			{ "mu", "set the filter mu", OFFSET(mu), AV_OPT_TYPE_FLOAT, {.dbl=0.0001},0,1, AT },
82			{ "delta", "set the filter delta", OFFSET(delta), AV_OPT_TYPE_FLOAT, {.dbl=0.001},0, 1, AT },
83			{ "out_mode", "set output mode", OFFSET(output_mode), AV_OPT_TYPE_INT, {.i64=OUT_MODE}, 0, NB_OMODES-1, AT, .unit = "mode" },
84			{ "i", "input", 0, AV_OPT_TYPE_CONST, {.i64=IN_MODE}, 0, 0, AT, .unit = "mode" },
85			{ "d", "desired", 0, AV_OPT_TYPE_CONST, {.i64=DESIRED_MODE}, 0, 0, AT, .unit = "mode" },
86			{ "o", "output", 0, AV_OPT_TYPE_CONST, {.i64=OUT_MODE}, 0, 0, AT, .unit = "mode" },
87			{ "n", "noise", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_MODE}, 0, 0, AT, .unit = "mode" },
88			{ "e", "error", 0, AV_OPT_TYPE_CONST, {.i64=ERROR_MODE}, 0, 0, AT, .unit = "mode" },
89			{ "precision", "set processing precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, A, .unit = "precision" },
90			{ "auto", "set auto processing precision", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, A, .unit = "precision" },
91			{ "float", "set single-floating point processing precision", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, A, .unit = "precision" },
92			{ "double","set double-floating point processing precision", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, A, .unit = "precision" },
93			{ NULL }
94			};
95
96			AVFILTER_DEFINE_CLASS(aap);
97
98		✗	static int query_formats(const AVFilterContext *ctx,
99			AVFilterFormatsConfig **cfg_in,
100			AVFilterFormatsConfig **cfg_out)
101			{
102		✗	const AudioAPContext *s = ctx->priv;
103			static const enum AVSampleFormat sample_fmts[3][3] = {
104			{ AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_DBLP, AV_SAMPLE_FMT_NONE },
105			{ AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE },
106			{ AV_SAMPLE_FMT_DBLP, AV_SAMPLE_FMT_NONE },
107			};
108			int ret;
109
110		✗	if ((ret = ff_set_common_formats_from_list2(ctx, cfg_in, cfg_out,
111		✗	sample_fmts[s->precision])) < 0)
112		✗	return ret;
113
114		✗	return 0;
115			}
116
117		✗	static int activate(AVFilterContext *ctx)
118			{
119		✗	AudioAPContext *s = ctx->priv;
120			int i, ret, status;
121			int nb_samples;
122			int64_t pts;
123
124		✗	FF_FILTER_FORWARD_STATUS_BACK_ALL(ctx->outputs[0], ctx);
125
126		✗	nb_samples = FFMIN(ff_inlink_queued_samples(ctx->inputs[0]),
127			ff_inlink_queued_samples(ctx->inputs[1]));
128		✗	for (i = 0; i < ctx->nb_inputs && nb_samples > 0; i++) {
129		✗	if (s->frame[i])
130		✗	continue;
131
132		✗	if (ff_inlink_check_available_samples(ctx->inputs[i], nb_samples) > 0) {
133		✗	ret = ff_inlink_consume_samples(ctx->inputs[i], nb_samples, nb_samples, &s->frame[i]);
134		✗	if (ret < 0)
135		✗	return ret;
136			}
137			}
138
139		✗	if (s->frame[0] && s->frame[1]) {
140			AVFrame *out;
141
142		✗	out = ff_get_audio_buffer(ctx->outputs[0], s->frame[0]->nb_samples);
143		✗	if (!out) {
144		✗	av_frame_free(&s->frame[0]);
145		✗	av_frame_free(&s->frame[1]);
146		✗	return AVERROR(ENOMEM);
147			}
148
149		✗	ff_filter_execute(ctx, s->filter_channels, out, NULL,
150		✗	FFMIN(ctx->outputs[0]->ch_layout.nb_channels, ff_filter_get_nb_threads(ctx)));
151
152		✗	out->pts = s->frame[0]->pts;
153		✗	out->duration = s->frame[0]->duration;
154
155		✗	av_frame_free(&s->frame[0]);
156		✗	av_frame_free(&s->frame[1]);
157
158		✗	ret = ff_filter_frame(ctx->outputs[0], out);
159		✗	if (ret < 0)
160		✗	return ret;
161			}
162
163		✗	if (!nb_samples) {
164		✗	for (i = 0; i < 2; i++) {
165		✗	if (ff_inlink_acknowledge_status(ctx->inputs[i], &status, &pts)) {
166		✗	ff_outlink_set_status(ctx->outputs[0], status, pts);
167		✗	return 0;
168			}
169			}
170			}
171
172		✗	if (ff_outlink_frame_wanted(ctx->outputs[0])) {
173		✗	for (i = 0; i < 2; i++) {
174		✗	if (s->frame[i] || ff_inlink_queued_samples(ctx->inputs[i]) > 0)
175		✗	continue;
176		✗	ff_inlink_request_frame(ctx->inputs[i]);
177		✗	return 0;
178			}
179			}
180		✗	return 0;
181			}
182
183			#define DEPTH 32
184			#include "aap_template.c"
185
186			#undef DEPTH
187			#define DEPTH 64
188			#include "aap_template.c"
189
190		✗	static int config_output(AVFilterLink *outlink)
191			{
192		✗	const int channels = outlink->ch_layout.nb_channels;
193		✗	AVFilterContext *ctx = outlink->src;
194		✗	AudioAPContext *s = ctx->priv;
195
196		✗	s->kernel_size = FFALIGN(s->order, 16);
197
198		✗	if (!s->offset)
199		✗	s->offset = ff_get_audio_buffer(outlink, 3);
200		✗	if (!s->delay)
201		✗	s->delay = ff_get_audio_buffer(outlink, 2 * s->kernel_size);
202		✗	if (!s->dcoeffs)
203		✗	s->dcoeffs = ff_get_audio_buffer(outlink, s->kernel_size);
204		✗	if (!s->coeffs)
205		✗	s->coeffs = ff_get_audio_buffer(outlink, 2 * s->kernel_size);
206		✗	if (!s->e)
207		✗	s->e = ff_get_audio_buffer(outlink, 2 * s->projection);
208		✗	if (!s->p)
209		✗	s->p = ff_get_audio_buffer(outlink, s->projection + 1);
210		✗	if (!s->x)
211		✗	s->x = ff_get_audio_buffer(outlink, 2 * (s->projection + s->order));
212		✗	if (!s->w)
213		✗	s->w = ff_get_audio_buffer(outlink, s->projection);
214		✗	if (!s->tmp)
215		✗	s->tmp = ff_get_audio_buffer(outlink, s->kernel_size);
216		✗	if (!s->tmpm)
217		✗	s->tmpm = ff_get_audio_buffer(outlink, s->projection * s->projection);
218		✗	if (!s->itmpm)
219		✗	s->itmpm = ff_get_audio_buffer(outlink, s->projection * s->projection);
220
221		✗	if (!s->tmpmp)
222		✗	s->tmpmp = av_calloc(s->projection * channels, sizeof(*s->tmpmp));
223		✗	if (!s->itmpmp)
224		✗	s->itmpmp = av_calloc(s->projection * channels, sizeof(*s->itmpmp));
225
226		✗	if (!s->offset || !s->delay || !s->dcoeffs || !s->coeffs || !s->tmpmp || !s->itmpmp ||
227		✗	!s->e || !s->p || !s->x || !s->w || !s->tmp || !s->tmpm || !s->itmpm)
228		✗	return AVERROR(ENOMEM);
229
230		✗	switch (outlink->format) {
231		✗	case AV_SAMPLE_FMT_DBLP:
232		✗	for (int ch = 0; ch < channels; ch++) {
233		✗	double *itmpm = (double *)s->itmpm->extended_data[ch];
234		✗	double *tmpm = (double *)s->tmpm->extended_data[ch];
235		✗	double **itmpmp = (double **)&s->itmpmp[s->projection * ch];
236		✗	double **tmpmp = (double **)&s->tmpmp[s->projection * ch];
237
238		✗	for (int i = 0; i < s->projection; i++) {
239		✗	itmpmp[i] = &itmpm[i * s->projection];
240		✗	tmpmp[i] = &tmpm[i * s->projection];
241			}
242			}
243
244		✗	s->filter_channels = filter_channels_double;
245		✗	break;
246		✗	case AV_SAMPLE_FMT_FLTP:
247		✗	for (int ch = 0; ch < channels; ch++) {
248		✗	float *itmpm = (float *)s->itmpm->extended_data[ch];
249		✗	float *tmpm = (float *)s->tmpm->extended_data[ch];
250		✗	float **itmpmp = (float **)&s->itmpmp[s->projection * ch];
251		✗	float **tmpmp = (float **)&s->tmpmp[s->projection * ch];
252
253		✗	for (int i = 0; i < s->projection; i++) {
254		✗	itmpmp[i] = &itmpm[i * s->projection];
255		✗	tmpmp[i] = &tmpm[i * s->projection];
256			}
257			}
258
259		✗	s->filter_channels = filter_channels_float;
260		✗	break;
261			}
262
263		✗	return 0;
264			}
265
266		✗	static av_cold int init(AVFilterContext *ctx)
267			{
268		✗	AudioAPContext *s = ctx->priv;
269
270		✗	s->fdsp = avpriv_float_dsp_alloc(0);
271		✗	if (!s->fdsp)
272		✗	return AVERROR(ENOMEM);
273
274		✗	return 0;
275			}
276
277		✗	static av_cold void uninit(AVFilterContext *ctx)
278			{
279		✗	AudioAPContext *s = ctx->priv;
280
281		✗	av_freep(&s->fdsp);
282
283		✗	av_frame_free(&s->offset);
284		✗	av_frame_free(&s->delay);
285		✗	av_frame_free(&s->dcoeffs);
286		✗	av_frame_free(&s->coeffs);
287		✗	av_frame_free(&s->e);
288		✗	av_frame_free(&s->p);
289		✗	av_frame_free(&s->w);
290		✗	av_frame_free(&s->x);
291		✗	av_frame_free(&s->tmp);
292		✗	av_frame_free(&s->tmpm);
293		✗	av_frame_free(&s->itmpm);
294
295		✗	av_freep(&s->tmpmp);
296		✗	av_freep(&s->itmpmp);
297		✗	}
298
299			static const AVFilterPad inputs[] = {
300			{
301			.name = "input",
302			.type = AVMEDIA_TYPE_AUDIO,
303			},
304			{
305			.name = "desired",
306			.type = AVMEDIA_TYPE_AUDIO,
307			},
308			};
309
310			static const AVFilterPad outputs[] = {
311			{
312			.name = "default",
313			.type = AVMEDIA_TYPE_AUDIO,
314			.config_props = config_output,
315			},
316			};
317
318			const FFFilter ff_af_aap = {
319			.p.name = "aap",
320			.p.description = NULL_IF_CONFIG_SMALL("Apply Affine Projection algorithm to first audio stream."),
321			.p.priv_class = &aap_class,
322			.p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
323			AVFILTER_FLAG_SLICE_THREADS,
324			.priv_size = sizeof(AudioAPContext),
325			.init = init,
326			.uninit = uninit,
327			.activate = activate,
328			FILTER_INPUTS(inputs),
329			FILTER_OUTPUTS(outputs),
330			FILTER_QUERY_FUNC2(query_formats),
331			.process_command = ff_filter_process_command,
332			};
333