npv/audio/public.h

   1 #ifndef NPV_AUDIO_PUBLIC_H
   2 #define NPV_AUDIO_PUBLIC_H
   3 /*
   4  * code protected with a GNU affero GPLv3 license
   5  * copyright (C) 2020 Sylvain BERTRAND
   6  */
   7 #include <stdbool.h>
   8 #include <poll.h>
   9 #include <pthread.h>
  10 #include <libavformat/avformat.h>
  11 #include <libavcodec/avcodec.h>
  12 #include <libavutil/samplefmt.h>
  13 #include <alsa/asoundlib.h>
  14 #include "npv/c_fixing.h"
  15 #include "npv/global.h"
  16 #include "npv/pkt_q/public.h"
  17 /*---------------------------------------------------------------------------*/
  18 #include "npv/namespace/ffmpeg.h"
  19 #include "npv/audio/namespace/ffmpeg.h"
  20 #include "npv/namespace/alsa.h"
  21 #include "npv/audio/namespace/public.h"
  22 /*---------------------------------------------------------------------------*/
  23 #include "npv/audio/public/state.frag.h"
  24 /*---------------------------------------------------------------------------*/
  25 STATIC void dec_ctx_cfg(avcodec_params_t *params);
  26 STATIC void dec_ctx_lock(void);
  27 STATIC void dec_ctx_unlock(void);
  28 STATIC void dec_sets_lock(void);
  29 STATIC void dec_sets_unlock(void);
  30 STATIC void dec_flush(void);
  31 STATIC u8 dec_set_try_receive(void);
  32 STATIC void dec_sets_receive_avail(void);
  33 STATIC void draining_state_evt(void);
  34 STATIC void evt_pcm_write(void);
  35 STATIC void pcm_cfg_hw_best_effort(snd_pcm_t *pcm, int chans_n, int rate,
  36                                         enum avutil_audio_fr_fmt_t ff_fmt);
  37 STATIC void pcm_silence_bufs_cfg(snd_pcm_t *pcm, bool print_info);
  38 STATIC void pcm_cfg_sw(snd_pcm_t *pcm);
  39 STATIC void pcm_cfg_epoll(snd_pcm_t *pcm);
  40 STATIC void init_once(u8 *pcm_str);
  41 STATIC void pkts_send(void);
  42 STATIC void prepare(int override_initial_ff_chans_n,
  43                         int override_initial_ff_rate,
  44                         enum avutil_audio_fr_fmt_t override_initial_ff_fmt);
  45 /*----------------------------------------------------------------------------*/
  46 #define CLEANUP
  47 #include "npv/namespace/ffmpeg.h"
  48 #include "npv/audio/namespace/ffmpeg.h"
  49 #include "npv/namespace/alsa.h"
  50 #include "npv/audio/namespace/public.h"
  51 #undef CLEANUP
  52 #endif