ref: cc9ca3545bb7e030a3fb4f95fa7fdf8b0ebfdeff
parent: ee5b9871ff10c3a30d93845125c8568d12f8951f
author: Sigrid Solveig Haflínudóttir <ftrvxmtrx@gmail.com>
date: Mon Dec 14 08:05:01 EST 2020
increase buffer for mcfs video stream to 64k
--- a/stream.c
+++ b/stream.c
@@ -50,6 +50,8 @@
return;
s->ops.close(s);
s->type = -1;
+ if(s->freeaux != nil)
+ s->freeaux(s->aux);
}
int
--- a/stream.h
+++ b/stream.h
@@ -67,6 +67,8 @@
void *b;
u8int *buf;
int bufsz;
+ void *aux;
+ void (*freeaux)(void *);
};
Stream *Sopen(char *filename, int *num);
--- a/stream_mc.c
+++ b/stream_mc.c
@@ -6,8 +6,17 @@
enum {
Maxstreams = 2,
+ Bufsz = 64*1024,
};
+typedef struct MCaux MCaux;
+
+struct MCaux {
+ int fd;
+ Biobuf bio;
+ u8int buf[Bufsz];
+};
+
static int
mcfs(char **argv, int *pipefd)
{
@@ -47,6 +56,16 @@
return -1;
}
+static void
+freeaux(void *aux)
+{
+ MCaux *a;
+
+ a = aux;
+ close(a->fd);
+ free(a);
+}
+
static Stream *
mcopen(char *filename, int *num, int *failed)
{
@@ -54,6 +73,7 @@
char *line;
int p, pid, n, ns;
Biobuf b;
+ MCaux *a;
char *argv[] = {
"mcfs",
filename,
@@ -82,9 +102,16 @@
if(nvideo < 1 && strcmp(v[1], "video") == 0){
s->video.w = atoi(v[3]);
s->video.h = atoi(v[4]);
- if(mcfs(argv, &sp) > 0 && ivfopenb(Bfdopen(sp, OREAD), s, failed) == 0){
- nvideo++;
- ns++;
+ if(mcfs(argv, &sp) > 0){
+ if((a = malloc(sizeof(*a))) == nil)
+ sysfatal("memory");
+ a->fd = sp;
+ s->aux = a;
+ s->freeaux = freeaux;
+ if(Binits(&a->bio, sp, OREAD, a->buf, Bufsz) == 0 && ivfopenb(&a->bio, s, failed) == 0){
+ nvideo++;
+ ns++;
+ }
}
}else if(naudio < 1 && strcmp(v[1], "audio") == 0 && (s->fmt = audfmt(v[2])) >= 0){
s->audio.nchan = atoi(v[3]);