diff options
Diffstat (limited to 'contrib/ffmpeg/libavdevice/libdc1394.c')
| -rw-r--r-- | contrib/ffmpeg/libavdevice/libdc1394.c | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/contrib/ffmpeg/libavdevice/libdc1394.c b/contrib/ffmpeg/libavdevice/libdc1394.c deleted file mode 100644 index 1227aed5e..000000000 --- a/contrib/ffmpeg/libavdevice/libdc1394.c +++ /dev/null @@ -1,372 +0,0 @@ -/* - * IIDC1394 grab interface (uses libdc1394 and libraw1394) - * Copyright (c) 2004 Roman Shaposhnik - * Copyright (c) 2008 Alessandro Sappia - * - * 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 2.1 of the License, or (at your option) any later version. - * - * 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 FFmpeg; 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" - -#if ENABLE_LIBDC1394_2 -#include <dc1394/dc1394.h> -#elif ENABLE_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 { -#if ENABLE_LIBDC1394_1 - raw1394handle_t handle; - dc1394_cameracapture camera; -#elif ENABLE_LIBDC1394_2 - dc1394_t *d; - dc1394camera_t *camera; - dc1394video_frame_t *frame; -#endif - int current_frame; - int fps; - - AVPacket packet; -} dc1394_data; - -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 { - int frame_rate; - int frame_rate_id; -} dc1394_frame_rates[] = { - { 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 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; - 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); - - 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) - 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); - goto out; - } - - /* create a video stream */ - vst = av_new_stream(c, 0); - if (!vst) - goto out; - av_set_pts_info(vst, 64, 1, 1000); - vst->codec->codec_type = CODEC_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->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(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); - *select_fps = fps; - *select_fmt = fmt; - return 0; -out: - return -1; -} - -#if ENABLE_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 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 */); - 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; - } - 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; - } - - 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->fps; - 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 ENABLE_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 lets 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->fps); - 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 libdc1394_demuxer = { - .name = "libdc1394", - .long_name = "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 -}; - -#endif -#if ENABLE_LIBDC1394_1 -AVInputFormat libdc1394_demuxer = { - .name = "libdc1394", - .long_name = "dc1394 v.1 A/V grab", - .priv_data_size = sizeof(struct dc1394_data), - .read_header = dc1394_v1_read_header, - .read_packet = dc1394_v1_read_packet, - .read_close = dc1394_v1_close, - .flags = AVFMT_NOFILE -}; -#endif |