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alsa: make it possible to fix format

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This commit is contained in:
Wim Taymans 2020-12-09 20:33:57 +01:00
parent 7d73f0b8d0
commit 7768a87a0b
5 changed files with 22 additions and 2 deletions
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12
spa/plugins/alsa/alsa-pcm.h
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@ -42,6 +42,7 @@ extern "C" {
#include <spa/node/node.h>
#include <spa/node/utils.h>
#include <spa/node/io.h>
#include <spa/debug/types.h>
#include <spa/param/param.h>
#include <spa/param/audio/format-utils.h>
@ -105,6 +106,7 @@ struct state {
bool have_format;
struct spa_audio_info current_format;
uint32_t default_format;
unsigned int default_channels;
unsigned int default_rate;
@ -182,6 +184,16 @@ int spa_alsa_read(struct state *state, snd_pcm_uframes_t silence);
void spa_alsa_recycle_buffer(struct state *state, uint32_t buffer_id);
static inline uint32_t spa_alsa_format_from_name(const char *name, size_t len)
{
int i;
for (i = 0; spa_type_audio_format[i].name; i++) {
if (strncmp(name, spa_debug_type_short_name(spa_type_audio_format[i].name), len) == 0)
return spa_type_audio_format[i].type;
}
return SPA_AUDIO_FORMAT_UNKNOWN;
}
#ifdef __cplusplus
} /* extern "C" */
#endif