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? [...] -- Clément B.
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