/*
* IIDC1394 grab interface (uses libdc1394 and libraw1394)
* Copyright (c) 2004 Roman Shaposhnik
+ * Copyright (c) 2008 Alessandro Sappia
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "avformat.h"
+#include "config.h"
+#include "libavformat/avformat.h"
+#include "libavutil/log.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
+#if HAVE_LIBDC1394_2
+#include <dc1394/dc1394.h>
+#elif HAVE_LIBDC1394_1
#include <libraw1394/raw1394.h>
#include <libdc1394/dc1394_control.h>
+#define DC1394_VIDEO_MODE_320x240_YUV422 MODE_320x240_YUV422
+#define DC1394_VIDEO_MODE_640x480_YUV411 MODE_640x480_YUV411
+#define DC1394_VIDEO_MODE_640x480_YUV422 MODE_640x480_YUV422
+#define DC1394_FRAMERATE_1_875 FRAMERATE_1_875
+#define DC1394_FRAMERATE_3_75 FRAMERATE_3_75
+#define DC1394_FRAMERATE_7_5 FRAMERATE_7_5
+#define DC1394_FRAMERATE_15 FRAMERATE_15
+#define DC1394_FRAMERATE_30 FRAMERATE_30
+#define DC1394_FRAMERATE_60 FRAMERATE_60
+#define DC1394_FRAMERATE_120 FRAMERATE_120
+#define DC1394_FRAMERATE_240 FRAMERATE_240
+#endif
+
#undef free
typedef struct dc1394_data {
+ AVClass *class;
+#if HAVE_LIBDC1394_1
raw1394handle_t handle;
dc1394_cameracapture camera;
+ int channel;
+#elif HAVE_LIBDC1394_2
+ dc1394_t *d;
+ dc1394camera_t *camera;
+ dc1394video_frame_t *frame;
+#endif
int current_frame;
- int fps;
+ int frame_rate; /**< frames per 1000 seconds (fps * 1000) */
+ char *video_size; /**< String describing video size, set by a private option. */
+ char *pixel_format; /**< Set by a private option. */
+ char *framerate; /**< Set by a private option. */
AVPacket packet;
} dc1394_data;
enum PixelFormat pix_fmt;
int frame_size_id;
} dc1394_frame_formats[] = {
- { 320, 240, PIX_FMT_UYVY422, MODE_320x240_YUV422 },
- { 640, 480, PIX_FMT_UYYVYY411, MODE_640x480_YUV411 },
- { 640, 480, PIX_FMT_UYVY422, MODE_640x480_YUV422 },
+ { 320, 240, PIX_FMT_UYVY422, DC1394_VIDEO_MODE_320x240_YUV422 },
+ { 640, 480, PIX_FMT_UYYVYY411, DC1394_VIDEO_MODE_640x480_YUV411 },
+ { 640, 480, PIX_FMT_UYVY422, DC1394_VIDEO_MODE_640x480_YUV422 },
{ 0, 0, 0, 0 } /* gotta be the last one */
};
int frame_rate;
int frame_rate_id;
} dc1394_frame_rates[] = {
- { 1875, FRAMERATE_1_875 },
- { 3750, FRAMERATE_3_75 },
- { 7500, FRAMERATE_7_5 },
- { 15000, FRAMERATE_15 },
- { 30000, FRAMERATE_30 },
- { 60000, FRAMERATE_60 },
+ { 1875, DC1394_FRAMERATE_1_875 },
+ { 3750, DC1394_FRAMERATE_3_75 },
+ { 7500, DC1394_FRAMERATE_7_5 },
+ { 15000, DC1394_FRAMERATE_15 },
+ { 30000, DC1394_FRAMERATE_30 },
+ { 60000, DC1394_FRAMERATE_60 },
+ {120000, DC1394_FRAMERATE_120 },
+ {240000, DC1394_FRAMERATE_240 },
{ 0, 0 } /* gotta be the last one */
};
-static int dc1394_read_header(AVFormatContext *c, AVFormatParameters * ap)
+#define OFFSET(x) offsetof(dc1394_data, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+static const AVOption options[] = {
+#if HAVE_LIBDC1394_1
+ { "channel", "", offsetof(dc1394_data, channel), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+#endif
+ { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = "qvga"}, 0, 0, DEC },
+ { "pixel_format", "", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = "uyvy422"}, 0, 0, DEC },
+ { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "ntsc"}, 0, 0, DEC },
+ { NULL },
+};
+
+static const AVClass libdc1394_class = {
+ .class_name = "libdc1394 indev",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+
+static inline int dc1394_read_common(AVFormatContext *c, AVFormatParameters *ap,
+ struct dc1394_frame_format **select_fmt, struct dc1394_frame_rate **select_fps)
{
dc1394_data* dc1394 = c->priv_data;
AVStream* vst;
- nodeid_t* camera_nodes;
- int res;
struct dc1394_frame_format *fmt;
struct dc1394_frame_rate *fps;
- enum PixelFormat pix_fmt = ap->pix_fmt == PIX_FMT_NONE ? PIX_FMT_UYVY422 : ap->pix_fmt; /* defaults */
- int width = !ap->width ? 320 : ap->width;
- int height = !ap->height ? 240 : ap->height;
- int frame_rate = !ap->time_base.num ? 30000 : av_rescale(1000, ap->time_base.den, ap->time_base.num);
+ enum PixelFormat pix_fmt;
+ int width, height;
+ AVRational framerate;
+ int ret = 0;
+
+ if ((pix_fmt = av_get_pix_fmt(dc1394->pixel_format)) == PIX_FMT_NONE) {
+ av_log(c, AV_LOG_ERROR, "No such pixel format: %s.\n", dc1394->pixel_format);
+ ret = AVERROR(EINVAL);
+ goto out;
+ }
+
+ if ((ret = av_parse_video_size(&width, &height, dc1394->video_size)) < 0) {
+ av_log(c, AV_LOG_ERROR, "Could not parse video size '%s'.\n", dc1394->video_size);
+ goto out;
+ }
+ if ((ret = av_parse_video_rate(&framerate, dc1394->framerate)) < 0) {
+ av_log(c, AV_LOG_ERROR, "Could not parse framerate '%s'.\n", dc1394->framerate);
+ goto out;
+ }
+ dc1394->frame_rate = av_rescale(1000, framerate.num, framerate.den);
for (fmt = dc1394_frame_formats; fmt->width; fmt++)
if (fmt->pix_fmt == pix_fmt && fmt->width == width && fmt->height == height)
break;
for (fps = dc1394_frame_rates; fps->frame_rate; fps++)
- if (fps->frame_rate == frame_rate)
+ if (fps->frame_rate == dc1394->frame_rate)
break;
if (!fps->frame_rate || !fmt->width) {
- av_log(c, AV_LOG_ERROR, "Can't find matching camera format for %s, %dx%d@%d:1000fps\n", avcodec_get_pix_fmt_name(pix_fmt),
- width, height, frame_rate);
+ av_log(c, AV_LOG_ERROR, "Can't find matching camera format for %s, %dx%d@%d:1000fps\n", av_get_pix_fmt_name(pix_fmt),
+ width, height, dc1394->frame_rate);
+ ret = AVERROR(EINVAL);
goto out;
}
/* create a video stream */
- vst = av_new_stream(c, 0);
- if (!vst)
- return -1;
+ vst = avformat_new_stream(c, NULL);
+ if (!vst) {
+ ret = AVERROR(ENOMEM);
+ goto out;
+ }
av_set_pts_info(vst, 64, 1, 1000);
- vst->codec->codec_type = CODEC_TYPE_VIDEO;
+ vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
vst->codec->codec_id = CODEC_ID_RAWVIDEO;
- vst->codec->time_base.den = fps->frame_rate;
- vst->codec->time_base.num = 1000;
+ vst->codec->time_base.den = framerate.num;
+ vst->codec->time_base.num = framerate.den;
vst->codec->width = fmt->width;
vst->codec->height = fmt->height;
vst->codec->pix_fmt = fmt->pix_fmt;
av_init_packet(&dc1394->packet);
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->packet.flags |= AV_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);
+ *select_fps = fps;
+ *select_fmt = fmt;
+out:
+ return ret;
+}
- /* Now lets prep the hardware */
+#if HAVE_LIBDC1394_1
+static int dc1394_v1_read_header(AVFormatContext *c, AVFormatParameters * ap)
+{
+ dc1394_data* dc1394 = c->priv_data;
+ AVStream* vst;
+ nodeid_t* camera_nodes;
+ int res;
+ struct dc1394_frame_format *fmt = NULL;
+ struct dc1394_frame_rate *fps = NULL;
+
+ if (dc1394_read_common(c,ap,&fmt,&fps) != 0)
+ return -1;
+
+ /* Now let us 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 */);
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);
+ if (!camera_nodes || camera_nodes[dc1394->channel] == DC1394_NO_CAMERA) {
+ av_log(c, AV_LOG_ERROR, "There's no IIDC camera on the channel %d\n", dc1394->channel);
goto out_handle;
}
- res = dc1394_dma_setup_capture(dc1394->handle, camera_nodes[ap->channel],
+ res = dc1394_dma_setup_capture(dc1394->handle, camera_nodes[dc1394->channel],
0,
FORMAT_VGA_NONCOMPRESSED,
fmt->frame_size_id,
return -1;
}
-static int dc1394_read_packet(AVFormatContext *c, AVPacket *pkt)
+static int dc1394_v1_read_packet(AVFormatContext *c, AVPacket *pkt)
{
struct dc1394_data *dc1394 = c->priv_data;
int res;
if (res == DC1394_SUCCESS) {
dc1394->packet.data = (uint8_t *)(dc1394->camera.capture_buffer);
- dc1394->packet.pts = (dc1394->current_frame * 1000000) / dc1394->fps;
+ dc1394->packet.pts = (dc1394->current_frame * 1000000) / dc1394->frame_rate;
res = dc1394->packet.size;
} else {
av_log(c, AV_LOG_ERROR, "DMA capture failed\n");
return res;
}
-static int dc1394_close(AVFormatContext * context)
+static int dc1394_v1_close(AVFormatContext * context)
{
struct dc1394_data *dc1394 = context->priv_data;
return 0;
}
-AVInputFormat libdc1394_demuxer = {
+#elif HAVE_LIBDC1394_2
+static int dc1394_v2_read_header(AVFormatContext *c, AVFormatParameters * ap)
+{
+ dc1394_data* dc1394 = c->priv_data;
+ dc1394camera_list_t *list;
+ int res, i;
+ struct dc1394_frame_format *fmt = NULL;
+ struct dc1394_frame_rate *fps = NULL;
+
+ if (dc1394_read_common(c,ap,&fmt,&fps) != 0)
+ return -1;
+
+ /* Now let us prep the hardware. */
+ dc1394->d = dc1394_new();
+ dc1394_camera_enumerate (dc1394->d, &list);
+ if ( !list || list->num == 0) {
+ av_log(c, AV_LOG_ERROR, "Unable to look for an IIDC camera\n\n");
+ goto out;
+ }
+
+ /* FIXME: To select a specific camera I need to search in list its guid */
+ dc1394->camera = dc1394_camera_new (dc1394->d, list->ids[0].guid);
+ if (list->num > 1) {
+ av_log(c, AV_LOG_INFO, "Working with the first camera found\n");
+ }
+
+ /* Freeing list of cameras */
+ dc1394_camera_free_list (list);
+
+ /* Select MAX Speed possible from the cam */
+ if (dc1394->camera->bmode_capable>0) {
+ dc1394_video_set_operation_mode(dc1394->camera, DC1394_OPERATION_MODE_1394B);
+ i = DC1394_ISO_SPEED_800;
+ } else {
+ i = DC1394_ISO_SPEED_400;
+ }
+
+ for (res = DC1394_FAILURE; i >= DC1394_ISO_SPEED_MIN && res != DC1394_SUCCESS; i--) {
+ res=dc1394_video_set_iso_speed(dc1394->camera, i);
+ }
+ if (res != DC1394_SUCCESS) {
+ av_log(c, AV_LOG_ERROR, "Couldn't set ISO Speed\n");
+ goto out_camera;
+ }
+
+ if (dc1394_video_set_mode(dc1394->camera, fmt->frame_size_id) != DC1394_SUCCESS) {
+ av_log(c, AV_LOG_ERROR, "Couldn't set video format\n");
+ goto out_camera;
+ }
+
+ if (dc1394_video_set_framerate(dc1394->camera,fps->frame_rate_id) != DC1394_SUCCESS) {
+ av_log(c, AV_LOG_ERROR, "Couldn't set framerate %d \n",fps->frame_rate);
+ goto out_camera;
+ }
+ if (dc1394_capture_setup(dc1394->camera, 10, DC1394_CAPTURE_FLAGS_DEFAULT)!=DC1394_SUCCESS) {
+ av_log(c, AV_LOG_ERROR, "Cannot setup camera \n");
+ goto out_camera;
+ }
+
+ if (dc1394_video_set_transmission(dc1394->camera, DC1394_ON) !=DC1394_SUCCESS) {
+ av_log(c, AV_LOG_ERROR, "Cannot start capture\n");
+ goto out_camera;
+ }
+ return 0;
+
+out_camera:
+ dc1394_capture_stop(dc1394->camera);
+ dc1394_video_set_transmission(dc1394->camera, DC1394_OFF);
+ dc1394_camera_free (dc1394->camera);
+out:
+ dc1394_free(dc1394->d);
+ return -1;
+}
+
+static int dc1394_v2_read_packet(AVFormatContext *c, AVPacket *pkt)
+{
+ struct dc1394_data *dc1394 = c->priv_data;
+ int res;
+
+ /* discard stale frame */
+ if (dc1394->current_frame++) {
+ if (dc1394_capture_enqueue(dc1394->camera, dc1394->frame) != DC1394_SUCCESS)
+ av_log(c, AV_LOG_ERROR, "failed to release %d frame\n", dc1394->current_frame);
+ }
+
+ res = dc1394_capture_dequeue(dc1394->camera, DC1394_CAPTURE_POLICY_WAIT, &dc1394->frame);
+ if (res == DC1394_SUCCESS) {
+ dc1394->packet.data = (uint8_t *)(dc1394->frame->image);
+ dc1394->packet.pts = (dc1394->current_frame * 1000000) / (dc1394->frame_rate);
+ res = dc1394->frame->image_bytes;
+ } else {
+ av_log(c, AV_LOG_ERROR, "DMA capture failed\n");
+ dc1394->packet.data = NULL;
+ res = -1;
+ }
+
+ *pkt = dc1394->packet;
+ return res;
+}
+
+static int dc1394_v2_close(AVFormatContext * context)
+{
+ struct dc1394_data *dc1394 = context->priv_data;
+
+ dc1394_video_set_transmission(dc1394->camera, DC1394_OFF);
+ dc1394_capture_stop(dc1394->camera);
+ dc1394_camera_free(dc1394->camera);
+ dc1394_free(dc1394->d);
+
+ return 0;
+}
+
+AVInputFormat ff_libdc1394_demuxer = {
+ .name = "libdc1394",
+ .long_name = NULL_IF_CONFIG_SMALL("dc1394 v.2 A/V grab"),
+ .priv_data_size = sizeof(struct dc1394_data),
+ .read_header = dc1394_v2_read_header,
+ .read_packet = dc1394_v2_read_packet,
+ .read_close = dc1394_v2_close,
+ .flags = AVFMT_NOFILE,
+ .priv_class = &libdc1394_class,
+};
+
+#endif
+#if HAVE_LIBDC1394_1
+AVInputFormat ff_libdc1394_demuxer = {
.name = "libdc1394",
- .long_name = "dc1394 A/V grab",
+ .long_name = NULL_IF_CONFIG_SMALL("dc1394 v.1 A/V grab"),
.priv_data_size = sizeof(struct dc1394_data),
- .read_header = dc1394_read_header,
- .read_packet = dc1394_read_packet,
- .read_close = dc1394_close,
- .flags = AVFMT_NOFILE
+ .read_header = dc1394_v1_read_header,
+ .read_packet = dc1394_v1_read_packet,
+ .read_close = dc1394_v1_close,
+ .flags = AVFMT_NOFILE,
+ .priv_class = &libdc1394_class,
};
+#endif
projects / ffmpeg / blobdiff