On 10/08/14 8:49 PM, Michael Niedermayer wrote:
> From: Luca Barbato <lu_z...@gentoo.org>
>
> TODO:bump
APIChanges entry as well
>
> 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
>
> diff --git a/libswresample/Makefile b/libswresample/Makefile
> index 75c6535..120ee33 100644
> --- a/libswresample/Makefile
> +++ b/libswresample/Makefile
> @@ -13,6 +13,7 @@ OBJS = audioconvert.o \
> resample.o \
> resample_dsp.o \
> swresample.o \
> + swresample_frame.o \
>
> OBJS-$(CONFIG_LIBSOXR) += soxr_resample.o
> OBJS-$(CONFIG_SHARED) += log2_tab.o
> diff --git a/libswresample/swresample.h b/libswresample/swresample.h
> index 4b8b045..687891b 100644
> --- a/libswresample/swresample.h
> +++ b/libswresample/swresample.h
> @@ -121,6 +121,7 @@
> */
>
> #include <stdint.h>
> +#include "libavutil/frame.h"
> #include "libavutil/samplefmt.h"
>
> #include "libswresample/version.h"
> @@ -467,6 +468,66 @@ const char *swresample_license(void);
>
> /**
> * @}
> + *
> + * @name AVFrame based API
> + * @{
> + */
> +
> +/**
> + * 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);
> +
> +/**
> + * Configure or reconfigure the SwrContext using the information
> + * provided by the AVFrames.
> + *
> + * The original resampling context is reset even on failure.
> + * The function calls swr_close() internally if the context is open.
> + *
> + * @see swr_close();
> + *
> + * @param swr audio resample context
> + * @param output output AVFrame
> + * @param input input AVFrame
> + * @return 0 on success, AVERROR on failure.
> + */
> +int swr_config_by_frames(SwrContext *swr, AVFrame *out, AVFrame *in);
Maybe swr_config_frame()?
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