On Mon, Aug 11, 2014 at 10:02:54AM +0200, Clément Bœsch wrote: > On Mon, Aug 11, 2014 at 01:49:19AM +0200, Michael Niedermayer wrote: > > From: Luca Barbato <lu_z...@gentoo.org> > > > > TODO:bump > > > > Signed-off-by: Michael Niedermayer <michae...@gmx.at> > > --- > > libswresample/Makefile | 1 + > > libswresample/swresample.h | 61 +++++++++++++++ > > libswresample/swresample_frame.c | 158 > > ++++++++++++++++++++++++++++++++++++++ > > 3 files changed, 220 insertions(+) > > create mode 100644 libswresample/swresample_frame.c > > > [...] > > +/** > > + * Convert the samples in the input AVFrame and write them to the output > > AVFrame. > > + * > > + * Input and output AVFrames must have channel_layout, sample_rate and > > format set. > > + * > > + * If the output AVFrame does not have the data pointers allocated the > > nb_samples > > + * field will be set using av_frame_get_buffer() > > + * is called to allocate the frame. > > + * > > + * The output AVFrame can be NULL or have fewer allocated samples than > > required. > > + * In this case, any remaining samples not written to the output will be > > added > > + * to an internal FIFO buffer, to be returned at the next call to this > > function > > + * or to swr_convert() or to swr_convert_frame(). > > + * > > + * If converting sample rate, there may be data remaining in the internal > > + * resampling delay buffer. swr_get_delay() tells the number of > > + * remaining samples. To get this data as output, call this function or > > + * swr_convert() with NULL input. > > + * > > + * If the SwrContext configuration does not match the output and > > + * input AVFrame settings the conversion does not take place and depending > > on > > + * which AVFrame is not matching AVERROR_OUTPUT_CHANGED, > > AVERROR_INPUT_CHANGED > > + * or AVERROR_OUTPUT_CHANGED|AVERROR_INPUT_CHANGED is returned. > > + * > > + * @see swr_delay() > > + * @see swr_convert() > > + * @see swr_get_delay() > > + * > > + * @param swr audio resample context > > + * @param output output AVFrame > > + * @param input input AVFrame > > + * @return 0 on success, AVERROR on failure or nonmatching > > + * configuration. > > + */ > > +int swr_convert_frame(SwrContext *swr, > > + AVFrame *output, AVFrame *input); > > + > > Is it possible to have input AVFrame const or it needs to increment > references or something?
yes works, changed [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Into a blind darkness they enter who follow after the Ignorance, they as if into a greater darkness enter who devote themselves to the Knowledge alone. -- Isha Upanishad
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