From fbea708b2e2e61af9238bc356b07a1e22ed44833 Mon Sep 17 00:00:00 2001 From: Jörg Hohensohn Date: Thu, 11 Mar 2004 19:27:26 +0000 Subject: Feature for recording: Delayed file open avoids disk spinup as long as the buffer lasts. So for short clips the internal mic can be used without disturbance. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4367 a1c6a512-1295-4272-9138-f99709370657 --- firmware/mpeg.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) diff --git a/firmware/mpeg.c b/firmware/mpeg.c index 645e60fdcd..ff545f03d0 100644 --- a/firmware/mpeg.c +++ b/firmware/mpeg.c @@ -288,7 +288,8 @@ static bool stop_pending; unsigned long record_start_time; /* Value of current_tick when recording was started */ static bool saving; /* We are saving the buffer to disk */ -static char recording_filename[MAX_PATH]; +static char recording_filename[MAX_PATH]; /* argument to thread */ +static char delayed_filename[MAX_PATH]; /* internal copy of above */ static int rec_frequency_index; /* For create_xing_header() calls */ static int rec_version_index; /* For create_xing_header() calls */ static bool disable_xing_header; /* When splitting files */ @@ -1649,11 +1650,10 @@ static void mpeg_thread(void) } start_recording(); - - mpeg_file = open(recording_filename, O_WRONLY|O_CREAT); - if(mpeg_file < 0) - panicf("recfile: %d", mpeg_file); + /* delayed until buffer is saved, don't open yet */ + strcpy(delayed_filename, recording_filename); + mpeg_file = -1; break; @@ -1783,6 +1783,14 @@ static void mpeg_thread(void) writelen = MIN(amount_to_save, mp3buflen - mp3buf_read); + if (mpeg_file < 0) /* delayed file opening */ + { + mpeg_file = open(delayed_filename, O_WRONLY|O_CREAT); + + if(mpeg_file < 0) + panicf("recfile: %d", mpeg_file); + } + if(writelen) { rc = write(mpeg_file, mp3buf + mp3buf_read, writelen); @@ -1867,6 +1875,15 @@ static void mpeg_thread(void) DEBUGF("wrl: %x\n", writelen); + if (mpeg_file < 0) /* delayed file opening */ + { + mpeg_file = open(delayed_filename, + O_WRONLY|O_CREAT); + + if(mpeg_file < 0) + panicf("recfile: %d", mpeg_file); + } + rc = write(mpeg_file, mp3buf + mp3buf_read, writelen); -- cgit v1.2.3