On Tue, Apr 14, 2015 at 04:03:40AM +0300, Ludmila Glinskih wrote: > This is a simple test for the FLAC codec. > It generates an increasing tone, encodes it, decodes it back and > compares with the original one byte-by-byte. > --- > configure | 2 + > doc/Makefile | 1 + > doc/examples/Makefile | 1 + > doc/examples/flac_test.c | 295 > +++++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 299 insertions(+) > create mode 100644 doc/examples/flac_test.c > > diff --git a/configure b/configure > index bc59271..5650ef8 100755 > --- a/configure > +++ b/configure > @@ -1329,6 +1329,7 @@ EXAMPLE_LIST=" > filter_audio_example > filtering_audio_example > filtering_video_example > + flac_test_example > metadata_example > muxing_example > qsvdec_example > @@ -2679,6 +2680,7 @@ extract_mvs_example_deps="avcodec avformat avutil" > filter_audio_example_deps="avfilter avutil" > filtering_audio_example_deps="avfilter avcodec avformat avutil" > filtering_video_example_deps="avfilter avcodec avformat avutil" > +flac_test_example_deps="avcodec avutil" > metadata_example_deps="avformat avutil" > muxing_example_deps="avcodec avformat avutil swscale" > qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11" > diff --git a/doc/Makefile b/doc/Makefile > index 4573531..f462acc 100644 > --- a/doc/Makefile > +++ b/doc/Makefile > @@ -45,6 +45,7 @@ DOC_EXAMPLES-$(CONFIG_EXTRACT_MVS_EXAMPLE) += > extract_mvs > DOC_EXAMPLES-$(CONFIG_FILTER_AUDIO_EXAMPLE) += filter_audio > DOC_EXAMPLES-$(CONFIG_FILTERING_AUDIO_EXAMPLE) += filtering_audio > DOC_EXAMPLES-$(CONFIG_FILTERING_VIDEO_EXAMPLE) += filtering_video > +DOC_EXAMPLES-$(CONFIG_FLAC_TEST_EXAMPLE) += flac_test > DOC_EXAMPLES-$(CONFIG_METADATA_EXAMPLE) += metadata > DOC_EXAMPLES-$(CONFIG_MUXING_EXAMPLE) += muxing > DOC_EXAMPLES-$(CONFIG_QSVDEC_EXAMPLE) += qsvdec > diff --git a/doc/examples/Makefile b/doc/examples/Makefile > index 9699f11..72a2fb6 100644 > --- a/doc/examples/Makefile > +++ b/doc/examples/Makefile > @@ -18,6 +18,7 @@ EXAMPLES= avio_list_dir \ > extract_mvs \ > filtering_video \ > filtering_audio \ > + flac_test \ > metadata \ > muxing \ > remuxing \ > diff --git a/doc/examples/flac_test.c b/doc/examples/flac_test.c > new file mode 100644 > index 0000000..392c50c > --- /dev/null > +++ b/doc/examples/flac_test.c > @@ -0,0 +1,295 @@ > +/* > + * Copyright (c) 2015 Ludmila Glinskih > + * Copyright (c) 2001 Fabrice Bellard > + * > + * Permission is hereby granted, free of charge, to any person obtaining a > copy > + * of this software and associated documentation files (the "Software"), to > deal > + * in the Software without restriction, including without limitation the > rights > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell > + * copies of the Software, and to permit persons to whom the Software is > + * furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > FROM, > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN > + * THE SOFTWARE. > + */ > + > +/* > + * FLAC codec test. > + * Encodes raw data to FLAC format and decodes it back to raw. Compares > raw-data > + * after that. > + */ > + > +#include <libavcodec/avcodec.h> > +#include <libavutil/common.h> > +#include <libavutil/samplefmt.h> > +
> +#define NUMBER_OF_FRAMES 200
> +#define NAME_BUFF_SIZE 100
> +
> +/* generate i-th frame of test audio */
> +static int generate_raw_frame(uint16_t *frame_data, int i, int sample_rate,
> + int channels, int frame_size)
> +{
> + double t, tincr, tincr2;
> + int j, k;
> +
> + t = 0.0;
> + tincr = 2 * M_PI * 440.0 / sample_rate;
> + tincr2 = tincr / sample_rate;
> + for (j = 0; j < frame_size; j++)
> + {
> + frame_data[channels * j] = (int)(sin(t) * 10000);
> + for (k = 1; k < channels; k++)
> + frame_data[channels * j + k] = frame_data[channels * j] * 2;
> + t = i * tincr + (i * (i + 1) / 2.0 * tincr2);
> + }
> + return 0;
> +}
please avoid float/double
see tests/audiogen.c as an example or maybe better use tests/audiogen
so no code is duplicated
also the test should be used/be tested in make fate
Thanks
[...]
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