diff options
Diffstat (limited to 'package/multimedia/madplay/madplay-0.15.2b-switch-to-new-alsa-api.patch')
| -rw-r--r-- | package/multimedia/madplay/madplay-0.15.2b-switch-to-new-alsa-api.patch | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/package/multimedia/madplay/madplay-0.15.2b-switch-to-new-alsa-api.patch b/package/multimedia/madplay/madplay-0.15.2b-switch-to-new-alsa-api.patch new file mode 100644 index 000000000..60d7bd379 --- /dev/null +++ b/package/multimedia/madplay/madplay-0.15.2b-switch-to-new-alsa-api.patch @@ -0,0 +1,173 @@ +Switch madplay to the new API. This is done thanks to a patch written +by Micha Nelissen <micha@neli.hopto.org> and available at +http://article.gmane.org/gmane.comp.audio.mad.devel/729. + +--- madplay-0.15.2b/audio_alsa.c 2008-10-18 15:10:16.000000000 +0200 ++++ madplay-0.15.2b/audio_alsa.c.new 2008-10-18 15:03:27.000000000 +0200 +@@ -28,31 +28,30 @@ + + #include <errno.h> + +-#define ALSA_PCM_OLD_HW_PARAMS_API +-#define ALSA_PCM_OLD_SW_PARAMS_API + #include <alsa/asoundlib.h> + + #include <mad.h> + + #include "audio.h" + +-char *buf = NULL; +-int paused = 0; ++#define BUFFER_TIME_MAX 500000 + +-int rate = -1; +-int channels = -1; +-int bitdepth = -1; +-int sample_size = -1; +- +-int buffer_time = 500000; +-int period_time = 100000; +-char *defaultdev = "plughw:0,0"; ++unsigned char *buf = NULL; ++int paused = 0; ++ ++unsigned int rate = 0; ++unsigned int channels = -1; ++unsigned int bitdepth = -1; ++unsigned int sample_size = -1; ++ ++unsigned int buffer_time; ++unsigned int period_time; ++char *defaultdev = "plughw:0,0"; + + snd_pcm_hw_params_t *alsa_hwparams; + snd_pcm_sw_params_t *alsa_swparams; + +-snd_pcm_sframes_t buffer_size; +-snd_pcm_sframes_t period_size; ++snd_pcm_uframes_t buffer_size; + + snd_pcm_format_t alsa_format = -1; + snd_pcm_access_t alsa_access = SND_PCM_ACCESS_MMAP_INTERLEAVED; +@@ -66,14 +65,20 @@ + snd_pcm_hw_params_t *params, + snd_pcm_access_t access) + { +- int err, dir; +- ++ int err; ++ + /* choose all parameters */ + err = snd_pcm_hw_params_any(handle,params); + if (err < 0) { + printf("Access type not available for playback: %s\n", snd_strerror(err)); + return err; + } ++ /* set the access type */ ++ err = snd_pcm_hw_params_set_access(handle, params, alsa_access); ++ if (err < 0) { ++ printf("Sample format not available for playback: %s\n", snd_strerror(err)); ++ return err; ++ } + /* set the sample format */ + err = snd_pcm_hw_params_set_format(handle, params, alsa_format); + if (err < 0) { +@@ -87,29 +92,38 @@ + return err; + } + /* set the stream rate */ +- err = snd_pcm_hw_params_set_rate_near(handle, params, rate, 0); ++ err = snd_pcm_hw_params_set_rate(handle, params, rate, 0); + if (err < 0) { + printf("Rate %iHz not available for playback: %s\n", rate, snd_strerror(err)); + return err; + } +- if (err != rate) { +- printf("Rate doesn't match (requested %iHz, get %iHz)\n", rate, err); +- return -EINVAL; +- } ++ err = snd_pcm_hw_params_get_buffer_time_max(params, &buffer_time, NULL); ++ if (err < 0) { ++ printf("Unable to retrieve buffer time: %s\n", snd_strerror(err)); ++ return err; ++ } ++ if (buffer_time > BUFFER_TIME_MAX) ++ buffer_time = BUFFER_TIME_MAX; + /* set buffer time */ +- err = snd_pcm_hw_params_set_buffer_time_near(handle, params, buffer_time, &dir); ++ err = snd_pcm_hw_params_set_buffer_time_near(handle, params, &buffer_time, 0); + if (err < 0) { + printf("Unable to set buffer time %i for playback: %s\n", buffer_time, snd_strerror(err)); + return err; + } +- buffer_size = snd_pcm_hw_params_get_buffer_size(params); ++ if (period_time * 4 > buffer_time) ++ period_time = buffer_time / 4; + /* set period time */ +- err = snd_pcm_hw_params_set_period_time_near(handle, params, period_time, &dir); ++ err = snd_pcm_hw_params_set_period_time_near(handle, params, &period_time, NULL); + if (err < 0) { + printf("Unable to set period time %i for playback: %s\n", period_time, snd_strerror(err)); + return err; + } +- period_size = snd_pcm_hw_params_get_period_size(params, &dir); ++ /* retrieve buffer size */ ++ err = snd_pcm_hw_params_get_buffer_size(params, &buffer_size); ++ if (err < 0) { ++ printf("Unable to retrieve buffer size: %s\n", snd_strerror(err)); ++ return err; ++ } + /* write the parameters to device */ + err = snd_pcm_hw_params(handle, params); + if (err < 0) { +@@ -123,6 +137,7 @@ + int set_swparams(snd_pcm_t *handle, + snd_pcm_sw_params_t *params) + { ++ unsigned int start_threshold; + int err; + + /* get current swparams */ +@@ -136,13 +151,7 @@ + if (err < 0) { + printf("Unable to set start threshold mode for playback: %s\n", snd_strerror(err)); + return err; +- } +- /* allow transfer when at least period_size samples can be processed */ +- err = snd_pcm_sw_params_set_avail_min(handle, params, period_size); +- if (err < 0) { +- printf("Unable to set avail min for playback: %s\n", snd_strerror(err)); +- return err; +- } ++ } + /* align all transfers to 1 samples */ + err = snd_pcm_sw_params_set_xfer_align(handle, params, 1); + if (err < 0) { +@@ -190,7 +199,7 @@ + rate = config->speed; + + if ( bitdepth == 0 ) +- config->precision = bitdepth = 32; ++ config->precision = bitdepth = 16; + + switch (bitdepth) + { +@@ -241,7 +250,7 @@ + return -1; + } + +- buf = malloc(buffer_size); ++ buf = malloc(buffer_size * sample_size); + if (buf == NULL) { + audio_error="unable to allocate output buffer table"; + return -1; +@@ -279,7 +288,7 @@ + int play(struct audio_play *play) + { + int err, len; +- char *ptr; ++ unsigned char *ptr; + + ptr = buf; + len = play->nsamples; + |