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v4l2-utils: only allocate MemPtr when requested

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This commit is contained in:
Wim Taymans 2021-05-06 10:16:21 +02:00
parent 2963d6e725
commit 1a0ad3d688
1 changed files with 4 additions and 1 deletions
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5
spa/plugins/v4l2/v4l2-utils.c
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@ -1486,7 +1486,7 @@ mmap_init(struct impl *this,
SPA_FLAG_SET(b->flags, BUFFER_FLAG_ALLOCATED); SPA_FLAG_SET(b->flags, BUFFER_FLAG_ALLOCATED);
spa_log_debug(this->log, "v4l2: EXPBUF fd:%d", expbuf.fd); spa_log_debug(this->log, "v4l2: EXPBUF fd:%d", expbuf.fd);
use_expbuf = true; use_expbuf = true;
} else { } else if (d[0].type & (1u << SPA_DATA_MemPtr)) {
fallback: fallback:
d[0].type = SPA_DATA_MemPtr; d[0].type = SPA_DATA_MemPtr;
d[0].flags = SPA_DATA_FLAG_READABLE; d[0].flags = SPA_DATA_FLAG_READABLE;
@ -1505,6 +1505,9 @@ fallback:
SPA_FLAG_SET(b->flags, BUFFER_FLAG_MAPPED); SPA_FLAG_SET(b->flags, BUFFER_FLAG_MAPPED);
spa_log_debug(this->log, "v4l2: mmap offset:%u data:%p", d[0].mapoffset, b->ptr); spa_log_debug(this->log, "v4l2: mmap offset:%u data:%p", d[0].mapoffset, b->ptr);
use_expbuf = false; use_expbuf = false;
} else {
spa_log_error(this->log, "v4l2: unsupported data type:%08x", d[0].type);
return -ENOTSUP;
} }
spa_v4l2_buffer_recycle(this, i); spa_v4l2_buffer_recycle(this, i);
} }