dump.cpp File Reference

#include <string>
#include "debug.h"
#include "audio/export.h"
#include "audio/audio_playback.h"
#include "audio/types.h"
#include "lib_common.h"

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Classes
struct	audio_dump_state

Functions
static bool	audio_play_dump_ctl (void *, int request, void *data, size_t *len)
static void	audio_play_dump_done (void *state)
static void	audio_play_dump_help ()
static void *	audio_play_dump_init (const char *cfg)
static void	audio_play_dump_probe (struct device_info **available_devices, int *count, void(**deleter)(void *))
static void	audio_play_dump_put_frame (void *state, const struct audio_frame *f)
static bool	audio_play_dump_reconfigure (void *state, struct audio_desc new_desc)
static bool	query_fmt (void *data, size_t *len)
	REGISTER_MODULE (dump, &aplay_dump_info, LIBRARY_CLASS_AUDIO_PLAYBACK, AUDIO_PLAYBACK_ABI_VERSION)

Variables
static const struct audio_playback_info	aplay_dump_info

Function Documentation

audio_play_dump_ctl()

static bool audio_play_dump_ctl ( void * , int request, void * data, size_t * len )

static

Definition at line 118 of file dump.cpp.

{
        switch (request) {
        case AUDIO_PLAYBACK_CTL_QUERY_FORMAT:
                return query_fmt(data, len);
        default:
                return false;
        }
}

References AUDIO_PLAYBACK_CTL_QUERY_FORMAT, len, and query_fmt().

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audio_play_dump_done()

static void audio_play_dump_done ( void * state )

static

Definition at line 91 of file dump.cpp.

                                             {
        auto *s = static_cast<audio_dump_state *>(state);
 
        delete s;
}

References state.

audio_play_dump_help()

static void audio_play_dump_help ( )

static

Definition at line 66 of file dump.cpp.

                                   {
        printf("dump usage:\n"
                        "\t-r dump[:<path>]\n"
                        "where\n"
                        "\tpath - path prefix to use (without .wav extension)\n"
                        "\n");
}

Referenced by audio_play_dump_init().

audio_play_dump_init()

static void * audio_play_dump_init ( const char * cfg )

static

Definition at line 74 of file dump.cpp.

                                                   {
        struct audio_dump_state *s = new audio_dump_state();
 
        if (strlen(cfg) > 0) {
                if (strcmp(cfg, "help") == 0) {
                        audio_play_dump_help();
                        delete s;
                        return INIT_NOERR;
                }
                s->filename = cfg;
        } else {
                s->filename = "audio_dump";
        }
 
        return s;
}

References audio_play_dump_help(), audio_dump_state::filename, and INIT_NOERR.

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audio_play_dump_probe()

static void audio_play_dump_probe ( struct device_info ** available_devices, int * count, void(** deleter )(void *) )

static

Definition at line 97 of file dump.cpp.

{
        *deleter = free;
        *available_devices = NULL;
        *count = 0;
}

References count, and deleter.

audio_play_dump_put_frame()

static void audio_play_dump_put_frame ( void * state, const struct audio_frame * f )

static

Definition at line 128 of file dump.cpp.

{
        auto *s = static_cast<audio_dump_state *>(state);
 
        audio_export(s->exporter.get(), f);
}

References audio_export(), and state.

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audio_play_dump_reconfigure()

static bool audio_play_dump_reconfigure ( void * state, struct audio_desc new_desc )

static

Definition at line 135 of file dump.cpp.

{
        auto *s = static_cast<audio_dump_state *>(state);
        s->desc = new_desc;
 
        std::string filename = s->filename;
        if(s->file_name_num){
                filename += "_" + std::to_string(s->file_name_num);
        }
        filename += ".wav";
        s->file_name_num++;
        s->exporter.reset(audio_export_init(filename.c_str()));
 
        return true;
}

References audio_export_init(), audio_dump_state::desc, and state.

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query_fmt()

static bool query_fmt ( void * data, size_t * len )

static

Definition at line 104 of file dump.cpp.

                                              {
        struct audio_desc desc;
        if (*len < sizeof desc) {
                return false;
        } else {
                memcpy(&desc, data, sizeof desc);
        }
 
        desc.codec = AC_PCM;
        memcpy(data, &desc, sizeof desc);
 
        return true;
}

References AC_PCM, desc, and len.

Referenced by audio_play_dump_ctl().

REGISTER_MODULE()

REGISTER_MODULE	(	dump	,
		&	aplay_dump_info,
		LIBRARY_CLASS_AUDIO_PLAYBACK	,
		AUDIO_PLAYBACK_ABI_VERSION	)

Variable Documentation

aplay_dump_info

const struct audio_playback_info aplay_dump_info

static

Initial value:

= {
        audio_play_dump_probe,
        audio_play_dump_init,
        audio_play_dump_put_frame,
        audio_play_dump_ctl,
        audio_play_dump_reconfigure,
        audio_play_dump_done
}

Definition at line 151 of file dump.cpp.

                                                          {
        audio_play_dump_probe,
        audio_play_dump_init,
        audio_play_dump_put_frame,
        audio_play_dump_ctl,
        audio_play_dump_reconfigure,
        audio_play_dump_done
};