diff options
Diffstat (limited to 'gr-audio-alsa/src/gri_alsa.cc')
| -rw-r--r-- | gr-audio-alsa/src/gri_alsa.cc | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/gr-audio-alsa/src/gri_alsa.cc b/gr-audio-alsa/src/gri_alsa.cc deleted file mode 100644 index d9fda0f7d..000000000 --- a/gr-audio-alsa/src/gri_alsa.cc +++ /dev/null @@ -1,175 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio 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 3, or (at your option) - * any later version. - * - * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <gri_alsa.h> -#include <algorithm> - -static snd_pcm_access_t access_types[] = { - SND_PCM_ACCESS_MMAP_INTERLEAVED, - SND_PCM_ACCESS_MMAP_NONINTERLEAVED, - SND_PCM_ACCESS_MMAP_COMPLEX, - SND_PCM_ACCESS_RW_INTERLEAVED, - SND_PCM_ACCESS_RW_NONINTERLEAVED -}; - -static snd_pcm_format_t format_types[] = { - // SND_PCM_FORMAT_UNKNOWN, - SND_PCM_FORMAT_S8, - SND_PCM_FORMAT_U8, - SND_PCM_FORMAT_S16_LE, - SND_PCM_FORMAT_S16_BE, - SND_PCM_FORMAT_U16_LE, - SND_PCM_FORMAT_U16_BE, - SND_PCM_FORMAT_S24_LE, - SND_PCM_FORMAT_S24_BE, - SND_PCM_FORMAT_U24_LE, - SND_PCM_FORMAT_U24_BE, - SND_PCM_FORMAT_S32_LE, - SND_PCM_FORMAT_S32_BE, - SND_PCM_FORMAT_U32_LE, - SND_PCM_FORMAT_U32_BE, - SND_PCM_FORMAT_FLOAT_LE, - SND_PCM_FORMAT_FLOAT_BE, - SND_PCM_FORMAT_FLOAT64_LE, - SND_PCM_FORMAT_FLOAT64_BE, - SND_PCM_FORMAT_IEC958_SUBFRAME_LE, - SND_PCM_FORMAT_IEC958_SUBFRAME_BE, - SND_PCM_FORMAT_MU_LAW, - SND_PCM_FORMAT_A_LAW, - SND_PCM_FORMAT_IMA_ADPCM, - SND_PCM_FORMAT_MPEG, - SND_PCM_FORMAT_GSM, - SND_PCM_FORMAT_SPECIAL, - SND_PCM_FORMAT_S24_3LE, - SND_PCM_FORMAT_S24_3BE, - SND_PCM_FORMAT_U24_3LE, - SND_PCM_FORMAT_U24_3BE, - SND_PCM_FORMAT_S20_3LE, - SND_PCM_FORMAT_S20_3BE, - SND_PCM_FORMAT_U20_3LE, - SND_PCM_FORMAT_U20_3BE, - SND_PCM_FORMAT_S18_3LE, - SND_PCM_FORMAT_S18_3BE, - SND_PCM_FORMAT_U18_3LE, - SND_PCM_FORMAT_U18_3BE -}; - -static unsigned int test_rates[] = { - 8000, 16000, 22050, 32000, 44100, 48000, 96000, 192000 -}; - -#define NELEMS(x) (sizeof(x)/sizeof(x[0])) - -void -gri_alsa_dump_hw_params (snd_pcm_t *pcm, snd_pcm_hw_params_t *hwparams, FILE *fp) -{ - fprintf (fp, "PCM name: %s\n", snd_pcm_name (pcm)); - - fprintf (fp, "Access types:\n"); - for (unsigned i = 0; i < NELEMS (access_types); i++){ - snd_pcm_access_t at = access_types[i]; - fprintf (fp, " %-20s %s\n", - snd_pcm_access_name (at), - snd_pcm_hw_params_test_access (pcm, hwparams, at) == 0 ? "YES" : "NO"); - } - - fprintf (fp, "Formats:\n"); - for (unsigned i = 0; i < NELEMS (format_types); i++){ - snd_pcm_format_t ft = format_types[i]; - if (0) - fprintf (fp, " %-20s %s\n", - snd_pcm_format_name (ft), - snd_pcm_hw_params_test_format (pcm, hwparams, ft) == 0 ? "YES" : "NO"); - else { - if (snd_pcm_hw_params_test_format (pcm, hwparams, ft) == 0) - fprintf (fp, " %-20s YES\n", snd_pcm_format_name (ft)); - } - } - - fprintf (fp, "Number of channels\n"); - unsigned int min_chan, max_chan; - snd_pcm_hw_params_get_channels_min (hwparams, &min_chan); - snd_pcm_hw_params_get_channels_max (hwparams, &max_chan); - fprintf (fp, " min channels: %d\n", min_chan); - fprintf (fp, " max channels: %d\n", max_chan); - unsigned int chan; - max_chan = std::min (max_chan, 16U); // truncate display... - for (chan = min_chan; chan <= max_chan; chan++){ - fprintf (fp, " %d channels\t%s\n", chan, - snd_pcm_hw_params_test_channels (pcm, hwparams, chan) == 0 ? "YES" : "NO"); - } - - fprintf (fp, "Sample Rates:\n"); - unsigned int min_rate, max_rate; - int min_dir, max_dir; - - snd_pcm_hw_params_get_rate_min (hwparams, &min_rate, &min_dir); - snd_pcm_hw_params_get_rate_max (hwparams, &max_rate, &max_dir); - fprintf (fp, " min rate: %7d (dir = %d)\n", min_rate, min_dir); - fprintf (fp, " max rate: %7d (dir = %d)\n", max_rate, max_dir); - for (unsigned i = 0; i < NELEMS (test_rates); i++){ - unsigned int rate = test_rates[i]; - fprintf (fp, " %6u %s\n", rate, - snd_pcm_hw_params_test_rate (pcm, hwparams, rate, 0) == 0 ? "YES" : "NO"); - } - - fflush (fp); -} - -bool -gri_alsa_pick_acceptable_format (snd_pcm_t *pcm, - snd_pcm_hw_params_t *hwparams, - snd_pcm_format_t acceptable_formats[], - unsigned nacceptable_formats, - snd_pcm_format_t *selected_format, - const char *error_msg_tag, - bool verbose) -{ - int err; - - // pick a format that we like... - for (unsigned i = 0; i < nacceptable_formats; i++){ - if (snd_pcm_hw_params_test_format (pcm, hwparams, - acceptable_formats[i]) == 0){ - err = snd_pcm_hw_params_set_format (pcm, hwparams, acceptable_formats[i]); - if (err < 0){ - fprintf (stderr, "%s[%s]: failed to set format: %s\n", - error_msg_tag, snd_pcm_name (pcm), snd_strerror (err)); - return false; - } - if (verbose) - fprintf (stdout, "%s[%s]: using %s\n", - error_msg_tag, snd_pcm_name (pcm), - snd_pcm_format_name (acceptable_formats[i])); - *selected_format = acceptable_formats[i]; - return true; - } - } - - fprintf (stderr, "%s[%s]: failed to find acceptable format", - error_msg_tag, snd_pcm_name (pcm)); - return false; -} |