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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-08-19 10:32:33 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2007-08-19 10:32:33 +0200 |
| commit | ced78b0ce0549dfd374d3d22144897d6b9c3d8aa (patch) | |
| tree | 5071f85f30b03c062c673022bbcf66f191f889bd /linux/drivers/media/video/ivtv/ivtv-streams.c | |
| parent | ff6ea73d1cd8b7198aece33161303d835a4599d0 (diff) | |
| download | mediapointer-dvb-s2-ced78b0ce0549dfd374d3d22144897d6b9c3d8aa.tar.gz mediapointer-dvb-s2-ced78b0ce0549dfd374d3d22144897d6b9c3d8aa.tar.bz2 | |
ivtv: specify some stream sizes in kB instead of MB
From: Hans Verkuil <hverkuil@xs4all.nl>
Some streams (PCM, VBI decoding) do not need that much memory, so specify
the allocated memory in kB instead of MB to limit memory usage. E.g. 1 MB
is overkill for the VBI decoding stream, 64 kB is enough.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'linux/drivers/media/video/ivtv/ivtv-streams.c')
| -rw-r--r-- | linux/drivers/media/video/ivtv/ivtv-streams.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/linux/drivers/media/video/ivtv/ivtv-streams.c b/linux/drivers/media/video/ivtv/ivtv-streams.c index 2e632014c..fab5c51b1 100644 --- a/linux/drivers/media/video/ivtv/ivtv-streams.c +++ b/linux/drivers/media/video/ivtv/ivtv-streams.c @@ -150,7 +150,7 @@ static void ivtv_stream_init(struct ivtv *itv, int type) s->dma = ivtv_stream_info[type].dma; s->buf_size = itv->stream_buf_size[type]; if (s->buf_size) - s->buffers = itv->options.megabytes[type] * 1024 * 1024 / s->buf_size; + s->buffers = (itv->options.kilobytes[type] * 1024 + s->buf_size - 1) / s->buf_size; spin_lock_init(&s->qlock); init_waitqueue_head(&s->waitq); s->id = -1; @@ -192,7 +192,7 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) /* User explicitly selected 0 buffers for these streams, so don't create them. */ if (minor >= 0 && ivtv_stream_info[type].dma != PCI_DMA_NONE && - itv->options.megabytes[type] == 0) { + itv->options.kilobytes[type] == 0) { IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name); return 0; } @@ -238,18 +238,18 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) switch (vfl_type) { case VFL_TYPE_GRABBER: - IVTV_INFO("Registered device video%d for %s (%d MB)\n", - s->v4l2dev->minor, s->name, itv->options.megabytes[type]); + IVTV_INFO("Registered device video%d for %s (%d kB)\n", + s->v4l2dev->minor, s->name, itv->options.kilobytes[type]); break; case VFL_TYPE_RADIO: IVTV_INFO("Registered device radio%d for %s\n", s->v4l2dev->minor - MINOR_VFL_TYPE_RADIO_MIN, s->name); break; case VFL_TYPE_VBI: - if (itv->options.megabytes[type]) - IVTV_INFO("Registered device vbi%d for %s (%d MB)\n", + if (itv->options.kilobytes[type]) + IVTV_INFO("Registered device vbi%d for %s (%d kB)\n", s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN, - s->name, itv->options.megabytes[type]); + s->name, itv->options.kilobytes[type]); else IVTV_INFO("Registered device vbi%d for %s\n", s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN, s->name); |