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🎥 Command line media player
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103/* * This file is part of mpv. * * mpv is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * mpv is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with mpv. If not, see <http://www.gnu.org/licenses/>. */
#ifndef MP_AUDIO_H#define MP_AUDIO_H
#include "format.h"#include "chmap.h"
// Audio data chunkstruct mp_audio { int samples; // number of samples in data (per channel) void *planes[MP_NUM_CHANNELS]; // data buffer (one per plane) int rate; // sample rate struct mp_chmap channels; // channel layout, use mp_audio_set_*() to set int format; // format (AF_FORMAT_...), use mp_audio_set_format() to set // Redundant fields, for convenience int sstride; // distance between 2 samples in bytes on a plane // interleaved: bps * nch // planar: bps int nch; // number of channels (redundant with chmap) int spf; // sub-samples per sample on each plane int num_planes; // number of planes int bps; // size of sub-samples (af_fmt_to_bytes(format))
double pts; // currently invalid within the filter chain
// --- private // These do not necessarily map directly to planes[]. They can have // different order or count. There shouldn't be more buffers than planes. // If allocated[n] is NULL, allocated[n+1] must also be NULL. struct AVBufferRef *allocated[MP_NUM_CHANNELS];};
void mp_audio_set_format(struct mp_audio *mpa, int format);void mp_audio_set_num_channels(struct mp_audio *mpa, int num_channels);void mp_audio_set_channels(struct mp_audio *mpa, const struct mp_chmap *chmap);void mp_audio_copy_config(struct mp_audio *dst, const struct mp_audio *src);bool mp_audio_config_equals(const struct mp_audio *a, const struct mp_audio *b);bool mp_audio_config_valid(const struct mp_audio *mpa);
char *mp_audio_config_to_str_buf(char *buf, size_t buf_sz, struct mp_audio *mpa);#define mp_audio_config_to_str(m) mp_audio_config_to_str_buf((char[64]){0}, 64, (m))
void mp_audio_force_interleaved_format(struct mp_audio *mpa);
int mp_audio_psize(struct mp_audio *mpa);
void mp_audio_set_null_data(struct mp_audio *mpa);
void mp_audio_realloc(struct mp_audio *mpa, int samples);void mp_audio_realloc_min(struct mp_audio *mpa, int samples);int mp_audio_get_allocated_size(struct mp_audio *mpa);
void mp_audio_fill_silence(struct mp_audio *mpa, int start, int length);
void mp_audio_copy(struct mp_audio *dst, int dst_offset, struct mp_audio *src, int src_offset, int length);void mp_audio_copy_attributes(struct mp_audio *dst, struct mp_audio *src);void mp_audio_skip_samples(struct mp_audio *data, int samples);void mp_audio_clip_timestamps(struct mp_audio *f, double start, double end);double mp_audio_end_pts(struct mp_audio *data);
bool mp_audio_is_writeable(struct mp_audio *data);int mp_audio_make_writeable(struct mp_audio *data);
struct AVFrame;struct mp_audio *mp_audio_from_avframe(struct AVFrame *avframe);struct AVFrame *mp_audio_to_avframe_and_unref(struct mp_audio *frame);int mp_audio_to_avframe(struct mp_audio *frame, struct AVFrame *avframe);
struct mp_aframe;struct mp_audio *mp_audio_from_aframe(struct mp_aframe *aframe);void mp_audio_config_from_aframe(struct mp_audio *dst, struct mp_aframe *src);struct mp_aframe *mp_audio_to_aframe(struct mp_audio *mpa);
struct mp_audio_pool;struct mp_audio_pool *mp_audio_pool_create(void *ta_parent);struct mp_audio *mp_audio_pool_get(struct mp_audio_pool *pool, const struct mp_audio *fmt, int samples);struct mp_audio *mp_audio_pool_new_copy(struct mp_audio_pool *pool, struct mp_audio *frame);int mp_audio_pool_make_writeable(struct mp_audio_pool *pool, struct mp_audio *frame);
#include "filter/af.h"
#endif