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--- ext/ffmpeg/gstffmpegaudioresample.c~ 2015-05-29 11:38:03.639001637 +0200
+++ ext/ffmpeg/gstffmpegaudioresample.c 2015-05-29 20:08:24.744107000 +0200
@@ -24,6 +24,7 @@
#include "config.h"
#endif
+#include <libavresample/avresample.h>
#ifdef HAVE_FFMPEG_UNINSTALLED
#include <avcodec.h>
#else
@@ -37,6 +38,60 @@
#include "gstffmpeg.h"
#include "gstffmpegcodecmap.h"
+struct AudioData {
+ const AVClass *class; /**< AVClass for logging */
+ uint8_t *data[AVRESAMPLE_MAX_CHANNELS]; /**< data plane pointers */
+ uint8_t *buffer; /**< data buffer */
+ unsigned int buffer_size; /**< allocated buffer size */
+ int allocated_samples; /**< number of samples the buffer can hold */
+ int nb_samples; /**< current number of samples */
+ enum AVSampleFormat sample_fmt; /**< sample format */
+ int channels; /**< channel count */
+ int allocated_channels; /**< allocated channel count */
+ int is_planar; /**< sample format is planar */
+ int planes; /**< number of data planes */
+ int sample_size; /**< bytes per sample */
+ int stride; /**< sample byte offset within a plane */
+ int read_only; /**< data is read-only */
+ int allow_realloc; /**< realloc is allowed */
+ int ptr_align; /**< minimum data pointer alignment */
+ int samples_align; /**< allocated samples alignment */
+ const char *name; /**< name for debug logging */
+};
+
+typedef struct AudioData AudioData;
+
+struct ReSampleContext {
+ AVAudioResampleContext *avr;
+ AudioData *buffer;
+ uint8_t *filter_bank;
+ int filter_length;
+ int ideal_dst_incr;
+ int dst_incr;
+ unsigned int index;
+ int frac;
+ int src_incr;
+ int compensation_distance;
+ int phase_shift;
+ int phase_mask;
+ int linear;
+ enum AVResampleFilterType filter_type;
+ int kaiser_beta;
+ void (*set_filter)(void *filter, double *tab, int phase, int tap_count);
+ void (*resample_one)(struct ResampleContext *c, void *dst0,
+ int dst_index, const void *src0,
+ unsigned int index, int frac);
+ void (*resample_nearest)(void *dst0, int dst_index,
+ const void *src0, unsigned int index);
+ int padding_size;
+ int initial_padding_filled;
+ int initial_padding_samples;
+ int final_padding_filled;
+ int final_padding_samples;
+};
+
+typedef struct ReSampleContext ReSampleContext;
+
typedef struct _GstFFMpegAudioResample
{
GstBaseTransform element;
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