Takashi Iwai
197f321105
- Backport upstream fixes: a PCM plugin regression fix about snd_pcm_status() call, plugin directory handling fixes, missing audio timestamp types, use-after-free fix for conf parser, PCM plugin delay account fixes, etc: 0001-dlmisc-the-snd_plugin_dir_set-snd_plugin_dir-must-be.patch 0002-dlmisc-fix-snd_plugin_dir-locking-for-not-DL_ORIGIN_.patch 0003-pcm-snd_pcm_mmap_readi-fix-typo-in-comment.patch 0007-pcm-set-the-snd_pcm_ioplug_status-tstamp-field.patch 0009-pcm-Add-snd_pcm_audio_tstamp_type_t-constants.patch 0010-test-audio_time-Make-use-of-SND_PCM_AUDIO_TSTAMP_TYP.patch 0011-pcm-Fix-a-typo-in-SND_PCM_AUDIO_TSTAMP_TYPE_LAST-def.patch 0012-conf-fix-use-after-free-in-_snd_config_load_with_inc.patch 0013-ucm-fix-bad-frees-in-get_list0-and-get_list20.patch 0014-rawmidi-fix-memory-leak-in-snd_rawmidi_virtual_open.patch 0015-timer-fix-sizeof-operator-mismatch-in-snd_timer_quer.patch 0016-pcm-remove-dead-assignments-from-snd_pcm_rate_-commi.patch 0017-pcm_multi-remove-dead-assignment-from-_snd_pcm_multi.patch 0018-conf-fix-get_hexachar-return-value.patch 0019-pcm-fix-__snd_pcm_state-return-value.patch 0020-confmisc-fix-memory-leak-in-snd_func_concat.patch 0021-conf-fix-return-code-in-_snd_config_load_with_includ.patch 0022-pcm-plugin-status-fix-the-return-value-regression.patch 0023-pcm-plugin-status-revert-the-recent-changes.patch 0024-pcm-plugin-tidy-snd_pcm_plugin_avail_update.patch 0025-pcm-plugin-optimize-sync-in-snd_pcm_plugin_status.patch 0026-Revert-pcm_plugin-fix-delay.patch 0027-pcm-ioplug-fix-the-delay-calculation-in-the-status-c.patch 0028-pcm-rate-tidy-up-snd_pcm_rate_avail_update.patch 0029-pcm-ioplug-fix-the-delay-calculation-for-old-plugins.patch OBS-URL: https://build.opensuse.org/request/show/860483 OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/alsa?expand=0&rev=290
41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
From 28cc099d9ea3962b033cb1cb9c3e07db828d9ff7 Mon Sep 17 00:00:00 2001
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From: Jaroslav Kysela <perex@perex.cz>
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Date: Sun, 3 Jan 2021 16:41:29 +0100
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Subject: [PATCH 25/33] pcm: plugin - optimize sync in snd_pcm_plugin_status()
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Do hw_ptr sync only once after the status call. This avoids
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double update.
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Also, the application pointer must not change when
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the status is called. Add assert() call for this condition.
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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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---
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src/pcm/pcm_plugin.c | 7 ++-----
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1 file changed, 2 insertions(+), 5 deletions(-)
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diff --git a/src/pcm/pcm_plugin.c b/src/pcm/pcm_plugin.c
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index 83793397a7f0..6a8151453efb 100644
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--- a/src/pcm/pcm_plugin.c
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+++ b/src/pcm/pcm_plugin.c
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@@ -553,14 +553,11 @@ static int snd_pcm_plugin_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
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snd_pcm_plugin_t *plugin = pcm->private_data;
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snd_pcm_sframes_t err;
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- /* sync with the latest hw and appl ptrs */
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- snd_pcm_plugin_avail_update(pcm);
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-
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err = snd_pcm_status(plugin->gen.slave, status);
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if (err < 0)
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return err;
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- status->appl_ptr = *pcm->appl.ptr;
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- status->hw_ptr = *pcm->hw.ptr;
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+ assert(status->appl_ptr == *pcm->appl.ptr);
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+ snd_pcm_plugin_sync_hw_ptr(pcm, status->hw_ptr, status->avail);
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return 0;
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}
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--
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2.26.2
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