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merge 'lennart' branch back into trunk.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-28 19:13:50 +00:00
parent 6687dd0131
commit a67c21f093
294 changed files with 79057 additions and 11614 deletions
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31
src/pulsecore/resampler.h
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@ -24,8 +24,6 @@
USA.
***/
#include <samplerate.h>
#include <pulse/sample.h>
#include <pulse/channelmap.h>
#include <pulsecore/memblock.h>
@ -35,12 +33,19 @@ typedef struct pa_resampler pa_resampler;
typedef enum pa_resample_method {
PA_RESAMPLER_INVALID = -1,
PA_RESAMPLER_SRC_SINC_BEST_QUALITY = SRC_SINC_BEST_QUALITY,
PA_RESAMPLER_SRC_SINC_MEDIUM_QUALITY = SRC_SINC_MEDIUM_QUALITY,
PA_RESAMPLER_SRC_SINC_FASTEST = SRC_SINC_FASTEST,
PA_RESAMPLER_SRC_ZERO_ORDER_HOLD = SRC_ZERO_ORDER_HOLD,
PA_RESAMPLER_SRC_LINEAR = SRC_LINEAR,
PA_RESAMPLER_SRC_SINC_BEST_QUALITY = 0, /* = SRC_SINC_BEST_QUALITY */
PA_RESAMPLER_SRC_SINC_MEDIUM_QUALITY = 1, /* = SRC_SINC_MEDIUM_QUALITY */
PA_RESAMPLER_SRC_SINC_FASTEST = 2, /* = SRC_SINC_FASTEST */
PA_RESAMPLER_SRC_ZERO_ORDER_HOLD = 3, /* = SRC_ZERO_ORDER_HOLD */
PA_RESAMPLER_SRC_LINEAR = 4, /* = SRC_LINEAR */
PA_RESAMPLER_TRIVIAL,
PA_RESAMPLER_SPEEX_FLOAT_BASE,
PA_RESAMPLER_SPEEX_FLOAT_MAX = PA_RESAMPLER_SPEEX_FLOAT_BASE + 10,
PA_RESAMPLER_SPEEX_FIXED_BASE,
PA_RESAMPLER_SPEEX_FIXED_MAX = PA_RESAMPLER_SPEEX_FIXED_BASE + 10,
PA_RESAMPLER_FFMPEG,
PA_RESAMPLER_AUTO, /* automatic select based on sample format */
PA_RESAMPLER_COPY,
PA_RESAMPLER_MAX
} pa_resample_method_t;
@ -50,19 +55,26 @@ pa_resampler* pa_resampler_new(
const pa_channel_map *am,
const pa_sample_spec *b,
const pa_channel_map *bm,
pa_resample_method_t resample_method);
pa_resample_method_t resample_method,
int variable_rate);
void pa_resampler_free(pa_resampler *r);
/* Returns the size of an input memory block which is required to return the specified amount of output data */
size_t pa_resampler_request(pa_resampler *r, size_t out_length);
/* Returns the maximum size of input blocks we can process without needing bounce buffers larger than the mempool tile size. */
size_t pa_resampler_max_block_size(pa_resampler *r);
/* Pass the specified memory chunk to the resampler and return the newly resampled data */
void pa_resampler_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out);
/* Change the input rate of the resampler object */
void pa_resampler_set_input_rate(pa_resampler *r, uint32_t rate);
/* Change the output rate of the resampler object */
void pa_resampler_set_output_rate(pa_resampler *r, uint32_t rate);
/* Return the resampling method of the resampler object */
pa_resample_method_t pa_resampler_get_method(pa_resampler *r);
@ -72,4 +84,7 @@ pa_resample_method_t pa_parse_resample_method(const char *string);
/* return a human readable string for the specified resampling method. Inverse of pa_parse_resample_method() */
const char *pa_resample_method_to_string(pa_resample_method_t m);
/* Return 1 when the specified resampling method is supported */
int pa_resample_method_supported(pa_resample_method_t m);
#endif