From fb0ab77cd593c318ba0b3a941864342553df9301 Mon Sep 17 00:00:00 2001 From: dvdli Date: Mon, 2 Nov 2020 15:56:45 +0800 Subject: modify the buffer size to the period size to avoid underrun --- utils/tinyplay.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/utils/tinyplay.c b/utils/tinyplay.c index f6762a0..4f603ee 100644 --- a/utils/tinyplay.c +++ b/utils/tinyplay.c @@ -389,11 +389,18 @@ int sample_is_playable(const struct cmd *cmd) int play_sample(struct ctx *ctx) { char *buffer; - size_t buffer_size = pcm_frames_to_bytes(ctx->pcm, pcm_get_buffer_size(ctx->pcm)); + size_t buffer_size = 0; size_t num_read = 0; size_t remaining_data_size = ctx->chunk_header.sz; size_t read_size = 0; + const struct pcm_config *config = pcm_get_config(ctx->pcm); + if (config == NULL) { + fprintf(stderr, "unable to get pcm config\n"); + return -1; + } + + buffer_size = pcm_frames_to_bytes(ctx->pcm, config->period_size); buffer = malloc(buffer_size); if (!buffer) { fprintf(stderr, "unable to allocate %zu bytes\n", buffer_size); -- cgit v1.2.3