* IIDC1394 grab interface (uses libdc1394 and libraw1394)
* Copyright (c) 2004 Roman Shaposhnik
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
int frame_size_id;
} dc1394_frame_formats[] = {
{ 320, 240, PIX_FMT_UYVY422, MODE_320x240_YUV422 },
- { 640, 480, PIX_FMT_UYVY411, MODE_640x480_YUV411 },
+ { 640, 480, PIX_FMT_UYYVYY411, MODE_640x480_YUV411 },
{ 640, 480, PIX_FMT_UYVY422, MODE_640x480_YUV422 },
{ 0, 0, 0, MODE_320x240_YUV422 } /* default -- gotta be the last one */
};
for (fmt = dc1394_frame_formats; fmt->width; fmt++)
if (fmt->pix_fmt == ap->pix_fmt && fmt->width == ap->width && fmt->height == ap->height)
- break;
-
+ break;
+
for (fps = dc1394_frame_rates; fps->frame_rate; fps++)
if (fps->frame_rate == av_rescale(1000, ap->time_base.den, ap->time_base.num))
- break;
-
+ break;
+
/* create a video stream */
vst = av_new_stream(c, 0);
if (!vst)
- return -1;
+ return -1;
av_set_pts_info(vst, 64, 1, 1000);
vst->codec->codec_type = CODEC_TYPE_VIDEO;
vst->codec->codec_id = CODEC_ID_RAWVIDEO;
dc1394->packet.size = avpicture_get_size(fmt->pix_fmt, fmt->width, fmt->height);
dc1394->packet.stream_index = vst->index;
dc1394->packet.flags |= PKT_FLAG_KEY;
-
+
dc1394->current_frame = 0;
dc1394->fps = fps->frame_rate;
vst->codec->bit_rate = av_rescale(dc1394->packet.size * 8, fps->frame_rate, 1000);
-
+
/* Now lets prep the hardware */
dc1394->handle = dc1394_create_handle(0); /* FIXME: gotta have ap->port */
if (!dc1394->handle) {
- av_log(c, AV_LOG_ERROR, "Can't acquire dc1394 handle on port %d\n", 0 /* ap->port */);
+ av_log(c, AV_LOG_ERROR, "Can't acquire dc1394 handle on port %d\n", 0 /* ap->port */);
goto out;
}
camera_nodes = dc1394_get_camera_nodes(dc1394->handle, &res, 1);
if (!camera_nodes || camera_nodes[ap->channel] == DC1394_NO_CAMERA) {
av_log(c, AV_LOG_ERROR, "There's no IIDC camera on the channel %d\n", ap->channel);
- goto out_handle;
+ goto out_handle;
}
- res = dc1394_dma_setup_capture(dc1394->handle, camera_nodes[ap->channel],
- 0,
- FORMAT_VGA_NONCOMPRESSED,
- fmt->frame_size_id,
- SPEED_400,
- fps->frame_rate_id, 8, 1,
- ap->device,
- &dc1394->camera);
+ res = dc1394_dma_setup_capture(dc1394->handle, camera_nodes[ap->channel],
+ 0,
+ FORMAT_VGA_NONCOMPRESSED,
+ fmt->frame_size_id,
+ SPEED_400,
+ fps->frame_rate_id, 8, 1,
+ c->filename,
+ &dc1394->camera);
dc1394_free_camera_nodes(camera_nodes);
if (res != DC1394_SUCCESS) {
av_log(c, AV_LOG_ERROR, "Can't prepare camera for the DMA capture\n");
- goto out_handle;
+ goto out_handle;
}
res = dc1394_start_iso_transmission(dc1394->handle, dc1394->camera.node);
if (res != DC1394_SUCCESS) {
av_log(c, AV_LOG_ERROR, "Can't start isochronous transmission\n");
- goto out_handle_dma;
+ goto out_handle_dma;
}
-
+
return 0;
out_handle_dma:
{
struct dc1394_data *dc1394 = c->priv_data;
int res;
-
+
/* discard stale frame */
if (dc1394->current_frame++) {
- if (dc1394_dma_done_with_buffer(&dc1394->camera) != DC1394_SUCCESS)
+ if (dc1394_dma_done_with_buffer(&dc1394->camera) != DC1394_SUCCESS)
av_log(c, AV_LOG_ERROR, "failed to release %d frame\n", dc1394->current_frame);
}
-
+
res = dc1394_dma_single_capture(&dc1394->camera);
if (res == DC1394_SUCCESS) {
- dc1394->packet.data = (uint8_t *)(dc1394->camera.capture_buffer);
- dc1394->packet.pts = (dc1394->current_frame * 1000000) / dc1394->fps;
- res = dc1394->packet.size;
+ dc1394->packet.data = (uint8_t *)(dc1394->camera.capture_buffer);
+ dc1394->packet.pts = (dc1394->current_frame * 1000000) / dc1394->fps;
+ res = dc1394->packet.size;
} else {
av_log(c, AV_LOG_ERROR, "DMA capture failed\n");
dc1394->packet.data = NULL;
- res = -1;
+ res = -1;
}
-
+
*pkt = dc1394->packet;
return res;
}
dc1394_dma_unlisten(dc1394->handle, &dc1394->camera);
dc1394_dma_release_camera(dc1394->handle, &dc1394->camera);
dc1394_destroy_handle(dc1394->handle);
-
+
return 0;
}
-static AVInputFormat dc1394_format = {
+AVInputFormat dc1394_demuxer = {
.name = "dc1394",
.long_name = "dc1394 A/V grab",
.priv_data_size = sizeof(struct dc1394_data),
.read_close = dc1394_close,
.flags = AVFMT_NOFILE
};
-
-int dc1394_init(void)
-{
- av_register_input_format(&dc1394_format);
- return 0;
-}
projects / ffmpeg / blobdiff