[FFmpeg-devel] [PATCH] fate: Add test for Musepack SV8 decoding
Nicolas George
george at nsup.org
Fri Oct 30 15:10:44 EET 2020
Andreas Rheinhardt (12020-10-30):
> While the FATE suite contains a sample file for Musepack 8, it did not
> use it to test the decoder; it is only used in the mpc8-demux test that
> tests the demuxer via streamcopy. Therefore this commit adds an actual
> encoder test.
>
> The test uses the framecrc output, because Musepack SV8 is an encoder
> that returns multiple frames for a single packet, so that timing
> information in the test output is valueable. Output seeking has been
> used in order to limit the size of the ref file as well as to test this
> codepath for the first time.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> ---
> For some reason sometimes the timestamps are off by 1; i.e. the
> timestamps of the packets with timestamps in the range 28151-71927 are
> all one too small. But the error does not accumulate.
>
> tests/fate/mpc.mak | 5 ++
> tests/ref/fate/musepack8 | 141 +++++++++++++++++++++++++++++++++++++++
> 2 files changed, 146 insertions(+)
> create mode 100644 tests/ref/fate/musepack8
>
> diff --git a/tests/fate/mpc.mak b/tests/fate/mpc.mak
> index 294dffeabf..f15198077d 100644
> --- a/tests/fate/mpc.mak
> +++ b/tests/fate/mpc.mak
> @@ -9,5 +9,10 @@ fate-musepack7: CMD = pcm -i $(TARGET_SAMPLES)/musepack/inside-mp7.mpc
> fate-musepack7: CMP = oneoff
> fate-musepack7: REF = $(SAMPLES)/musepack/inside-mp7.pcm
>
> +FATE_MPC-$(call ALLYES, FILE_PROTOCOL MPC8_DEMUXER MPC8_DECODER \
> + ARESAMPLE_FILTER PCM_S16LE_ENCODER \
> + FRAMECRC_MUXER PIPE_PROTOCOL) += fate-musepack8
> +fate-musepack8: CMD = framecrc -auto_conversion_filters -i $(TARGET_SAMPLES)/musepack/inside-mp8.mpc -ss 8.4 -c:a pcm_s16le
Do not enable auto conversions unless absolutely necessary: insert
aresample where needed if at all.
> +
> FATE_SAMPLES_AVCONV += $(FATE_MPC-yes)
> fate-mpc: $(FATE_MPC-yes)
> diff --git a/tests/ref/fate/musepack8 b/tests/ref/fate/musepack8
> new file mode 100644
> index 0000000000..d7343c0367
> --- /dev/null
> +++ b/tests/ref/fate/musepack8
> @@ -0,0 +1,141 @@
> +#tb 0: 1/44100
> +#media_type 0: audio
> +#codec_id 0: pcm_s16le
> +#sample_rate 0: 44100
> +#channel_layout 0: 3
> +#channel_layout_name 0: stereo
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Regards,
--
Nicolas George
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