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Diffstat (limited to 'contrib/ffmpeg/libavformat/dc1394.c')
-rw-r--r--contrib/ffmpeg/libavformat/dc1394.c193
1 files changed, 0 insertions, 193 deletions
diff --git a/contrib/ffmpeg/libavformat/dc1394.c b/contrib/ffmpeg/libavformat/dc1394.c
deleted file mode 100644
index bf140c466..000000000
--- a/contrib/ffmpeg/libavformat/dc1394.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * IIDC1394 grab interface (uses libdc1394 and libraw1394)
- * Copyright (c) 2004 Roman Shaposhnik
- *
- * 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 <libraw1394/raw1394.h>
-#include <libdc1394/dc1394_control.h>
-
-#undef free
-
-typedef struct dc1394_data {
- raw1394handle_t handle;
- dc1394_cameracapture camera;
- 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, MODE_320x240_YUV422 },
- { 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 */
-};
-
-struct dc1394_frame_rate {
- 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 },
- { 0, FRAMERATE_30 } /* default -- gotta be the last one */
-};
-
-static int dc1394_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;
- struct dc1394_frame_rate *fps;
-
- for (fmt = dc1394_frame_formats; fmt->width; fmt++)
- if (fmt->pix_fmt == ap->pix_fmt && fmt->width == ap->width && fmt->height == ap->height)
- 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;
-
- /* create a video stream */
- vst = av_new_stream(c, 0);
- if (!vst)
- return -1;
- 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);
-
- /* 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_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_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;
-}
-
-AVInputFormat dc1394_demuxer = {
- .name = "dc1394",
- .long_name = "dc1394 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
-};
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