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_silence_bufs_cfg(bool print_info);
  36 static void init_once(u8 *pcm_str);
  37 static void pcm_cfg(snd_pcm_t *pcm, unsigned int chans_n, unsigned int rate,
  38                                         enum avutil_audio_fr_fmt_t ff_fmt);
  39 static void pcm2ff(snd_pcm_t *pcm, enum avutil_audio_fr_fmt_t *ff_fmt,
  40                 int *ff_rate, int *ff_chans_n, uint64_t *ff_chans_layout,
  41                                                         bool print_info);
  42 static void pkts_send(void);
  43 /*----------------------------------------------------------------------------*/
  44 #define CLEANUP
  45 #include "npv/namespace/ffmpeg.h"
  46 #include "npv/audio/namespace/ffmpeg.h"
  47 #include "npv/namespace/alsa.h"
  48 #include "npv/audio/namespace/public.h"
  49 #undef CLEANUP
  50 #endif