* IIDC1394 grab interface (uses libdc1394 and libraw1394)
* Copyright (c) 2004 Roman Shaposhnik
* Copyright (c) 2008 Alessandro Sappia
- * Copyright (c) 2011 Martin Lambers
*
* This file is part of FFmpeg.
*
*/
#include "config.h"
+#include "libavformat/avformat.h"
#include "libavformat/internal.h"
#include "libavutil/log.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
-#include "avdevice.h"
-
-#include <stdlib.h>
-#include <string.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 frame_rate; /**< frames per 1000 seconds (fps * 1000) */
char *video_size; /**< String describing video size, set by a private option. */
AVPacket packet;
} dc1394_data;
-/* The list of color codings that we support.
- * We assume big endian for the dc1394 16bit modes: libdc1394 never sets the
- * flag little_endian in dc1394video_frame_t. */
-struct dc1394_color_coding {
- int pix_fmt;
- int score;
- uint32_t coding;
-} dc1394_color_codings[] = {
- { PIX_FMT_GRAY16BE, 1000, DC1394_COLOR_CODING_MONO16 },
- { PIX_FMT_RGB48BE, 1100, DC1394_COLOR_CODING_RGB16 },
- { PIX_FMT_GRAY8, 1200, DC1394_COLOR_CODING_MONO8 },
- { PIX_FMT_RGB24, 1300, DC1394_COLOR_CODING_RGB8 },
- { PIX_FMT_UYYVYY411, 1400, DC1394_COLOR_CODING_YUV411 },
- { PIX_FMT_UYVY422, 1500, DC1394_COLOR_CODING_YUV422 },
- { PIX_FMT_NONE, 0, 0 } /* gotta be the last one */
+struct dc1394_frame_format {
+ int width;
+ int height;
+ enum PixelFormat pix_fmt;
+ int frame_size_id;
+} dc1394_frame_formats[] = {
+ { 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 */
};
struct dc1394_frame_rate {
#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 },
.version = LIBAVUTIL_VERSION_INT,
};
-static int dc1394_read_header(AVFormatContext *c, AVFormatParameters * ap)
+
+static inline int dc1394_read_common(AVFormatContext *c,
+ struct dc1394_frame_format **select_fmt, struct dc1394_frame_rate **select_fps)
{
dc1394_data* dc1394 = c->priv_data;
- AVStream *vst;
- const struct dc1394_color_coding *cc;
- const struct dc1394_frame_rate *fr;
- dc1394camera_list_t *list;
- dc1394video_modes_t video_modes;
- dc1394video_mode_t video_mode;
- dc1394framerates_t frame_rates;
- dc1394framerate_t frame_rate;
- uint32_t dc1394_width, dc1394_height, dc1394_color_coding;
- int rate, best_rate;
- int score, max_score;
- int final_width, final_height, final_pix_fmt, final_frame_rate;
- int res, i, j;
- int ret=-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");
+ AVStream* vst;
+ struct dc1394_frame_format *fmt;
+ struct dc1394_frame_rate *fps;
+ 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;
}
- /* 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");
+ 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;
}
-
- /* Freeing list of cameras */
- dc1394_camera_free_list (list);
-
- /* Get the list of video modes supported by the camera. */
- res = dc1394_video_get_supported_modes (dc1394->camera, &video_modes);
- if (res != DC1394_SUCCESS) {
- av_log(c, AV_LOG_ERROR, "Could not get video formats.\n");
- goto out_camera;
+ 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);
- if (dc1394->pixel_format) {
- if ((ap->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;
- }
- }
+ for (fmt = dc1394_frame_formats; fmt->width; fmt++)
+ if (fmt->pix_fmt == pix_fmt && fmt->width == width && fmt->height == height)
+ break;
- if (dc1394->video_size) {
- if ((ret = av_parse_video_size(&ap->width, &ap->height, dc1394->video_size)) < 0) {
- av_log(c, AV_LOG_ERROR, "Couldn't parse video size.\n");
- goto out;
- }
- }
+ for (fps = dc1394_frame_rates; fps->frame_rate; fps++)
+ if (fps->frame_rate == dc1394->frame_rate)
+ break;
- /* Choose the best mode. */
- rate = (ap->time_base.num ? av_rescale(1000, ap->time_base.den, ap->time_base.num) : -1);
- max_score = -1;
- for (i = 0; i < video_modes.num; i++) {
- if (video_modes.modes[i] == DC1394_VIDEO_MODE_EXIF
- || (video_modes.modes[i] >= DC1394_VIDEO_MODE_FORMAT7_MIN
- && video_modes.modes[i] <= DC1394_VIDEO_MODE_FORMAT7_MAX)) {
- /* These modes are currently not supported as they would require
- * much more work. For the remaining modes, the functions
- * dc1394_get_image_size_from_video_mode and
- * dc1394_get_color_coding_from_video_mode do not need to query the
- * camera, and thus cannot fail. */
- continue;
- }
- dc1394_get_color_coding_from_video_mode (NULL, video_modes.modes[i],
- &dc1394_color_coding);
- for (cc = dc1394_color_codings; cc->pix_fmt != PIX_FMT_NONE; cc++)
- if (cc->coding == dc1394_color_coding)
- break;
- if (cc->pix_fmt == PIX_FMT_NONE) {
- /* We currently cannot handle this color coding. */
- continue;
- }
- /* Here we know that the mode is supported. Get its frame size and the list
- * of frame rates supported by the camera for this mode. This list is sorted
- * in ascending order according to libdc1394 example programs. */
- dc1394_get_image_size_from_video_mode (NULL, video_modes.modes[i],
- &dc1394_width, &dc1394_height);
- res = dc1394_video_get_supported_framerates (dc1394->camera, video_modes.modes[i],
- &frame_rates);
- if (res != DC1394_SUCCESS || frame_rates.num == 0) {
- av_log(c, AV_LOG_ERROR, "Cannot get frame rates for video mode.\n");
- goto out_camera;
- }
- /* Choose the best frame rate. */
- best_rate = -1;
- for (j = 0; j < frame_rates.num; j++) {
- for (fr = dc1394_frame_rates; fr->frame_rate; fr++) {
- if (fr->frame_rate_id == frame_rates.framerates[j]) {
- break;
- }
- }
- if (!fr->frame_rate) {
- /* This frame rate is not supported. */
- continue;
- }
- best_rate = fr->frame_rate;
- frame_rate = fr->frame_rate_id;
- if (ap->time_base.num && rate == fr->frame_rate) {
- /* This is the requested frame rate. */
- break;
- }
- }
- if (best_rate == -1) {
- /* No supported rate found. */
- continue;
- }
- /* Here we know that both the mode and the rate are supported. Compute score. */
- if (ap->width && ap->height
- && (dc1394_width == ap->width && dc1394_height == ap->height)) {
- score = 110000;
- } else {
- score = dc1394_width * 10; // 1600 - 16000
- }
- if (ap->pix_fmt == cc->pix_fmt) {
- score += 90000;
- } else {
- score += cc->score; // 1000 - 1500
- }
- if (ap->time_base.num && rate == best_rate) {
- score += 70000;
- } else {
- score += best_rate / 1000; // 1 - 240
- }
- if (score > max_score) {
- video_mode = video_modes.modes[i];
- final_width = dc1394_width;
- final_height = dc1394_height;
- final_pix_fmt = cc->pix_fmt;
- final_frame_rate = best_rate;
- max_score = score;
- }
- }
- if (max_score == -1) {
- av_log(c, AV_LOG_ERROR, "No suitable video mode / frame rate available.\n");
- goto out_camera;
- }
- if (ap->width && ap->height && !(ap->width == final_width && ap->height == final_height)) {
- av_log(c, AV_LOG_WARNING, "Requested frame size is not available, using fallback.\n");
- }
- if (ap->pix_fmt != PIX_FMT_NONE && ap->pix_fmt != final_pix_fmt) {
- av_log(c, AV_LOG_WARNING, "Requested pixel format is not supported, using fallback.\n");
- }
- if (ap->time_base.num && rate != final_frame_rate) {
- av_log(c, AV_LOG_WARNING, "Requested frame rate is not available, using fallback.\n");
+ 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", av_get_pix_fmt_name(pix_fmt),
+ width, height, dc1394->frame_rate);
+ ret = AVERROR(EINVAL);
+ goto out;
}
/* create a video stream */
vst = avformat_new_stream(c, NULL);
- if (!vst)
- goto out_camera;
+ if (!vst) {
+ ret = AVERROR(ENOMEM);
+ goto out;
+ }
avpriv_set_pts_info(vst, 64, 1, 1000);
vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
vst->codec->codec_id = CODEC_ID_RAWVIDEO;
- vst->codec->time_base.den = final_frame_rate;
- vst->codec->time_base.num = 1000;
- vst->codec->width = final_width;
- vst->codec->height = final_height;
- vst->codec->pix_fmt = final_pix_fmt;
+ 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;
/* packet init */
av_init_packet(&dc1394->packet);
- dc1394->packet.size = avpicture_get_size(final_pix_fmt, final_width, final_height);
+ dc1394->packet.size = avpicture_get_size(fmt->pix_fmt, fmt->width, fmt->height);
dc1394->packet.stream_index = vst->index;
dc1394->packet.flags |= AV_PKT_FLAG_KEY;
dc1394->current_frame = 0;
- dc1394->frame_rate = final_frame_rate;
- vst->codec->bit_rate = av_rescale(dc1394->packet.size * 8, final_frame_rate, 1000);
+ vst->codec->bit_rate = av_rescale(dc1394->packet.size * 8, fps->frame_rate, 1000);
+ *select_fps = fps;
+ *select_fmt = fmt;
+out:
+ return ret;
+}
+
+#if HAVE_LIBDC1394_1
+static int dc1394_v1_read_header(AVFormatContext *c)
+{
+ 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, &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[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[dc1394->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;
+ }
+
+ 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;
+ }
+
+ return 0;
+
+out_handle_dma:
+ dc1394_dma_unlisten(dc1394->handle, &dc1394->camera);
+ dc1394_dma_release_camera(dc1394->handle, &dc1394->camera);
+out_handle:
+ dc1394_destroy_handle(dc1394->handle);
+out:
+ return -1;
+}
+
+static int dc1394_v1_read_packet(AVFormatContext *c, AVPacket *pkt)
+{
+ 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)
+ 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->frame_rate;
+ res = dc1394->packet.size;
+ } 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_v1_close(AVFormatContext * context)
+{
+ struct dc1394_data *dc1394 = context->priv_data;
+
+ dc1394_stop_iso_transmission(dc1394->handle, dc1394->camera.node);
+ dc1394_dma_unlisten(dc1394->handle, &dc1394->camera);
+ dc1394_dma_release_camera(dc1394->handle, &dc1394->camera);
+ dc1394_destroy_handle(dc1394->handle);
+
+ return 0;
+}
+
+#elif HAVE_LIBDC1394_2
+static int dc1394_v2_read_header(AVFormatContext *c)
+{
+ 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, &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) {
goto out_camera;
}
- if (dc1394_video_set_mode(dc1394->camera, video_mode) != DC1394_SUCCESS) {
+ 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, frame_rate) != DC1394_SUCCESS) {
- av_log(c, AV_LOG_ERROR, "Could not set framerate %d.\n", final_frame_rate);
+ 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) {
dc1394_camera_free (dc1394->camera);
out:
dc1394_free(dc1394->d);
- return ret;
+ return -1;
}
-static int dc1394_read_packet(AVFormatContext *c, AVPacket *pkt)
+static int dc1394_v2_read_packet(AVFormatContext *c, AVPacket *pkt)
{
struct dc1394_data *dc1394 = c->priv_data;
int res;
return res;
}
-static int dc1394_close(AVFormatContext * context)
+static int dc1394_v2_close(AVFormatContext * context)
{
struct dc1394_data *dc1394 = context->priv_data;
AVInputFormat ff_libdc1394_demuxer = {
.name = "libdc1394",
- .long_name = NULL_IF_CONFIG_SMALL("dc1394 A/V grab"),
+ .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 = 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,
+ .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