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@ -20,26 +20,7 @@ |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#if HAVE_LIBDC1394_2 |
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#include <dc1394/dc1394.h> |
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#elif HAVE_LIBDC1394_1 |
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#include <libraw1394/raw1394.h> |
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#include <libdc1394/dc1394_control.h> |
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#define DC1394_VIDEO_MODE_320x240_YUV422 MODE_320x240_YUV422 |
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#define DC1394_VIDEO_MODE_640x480_YUV411 MODE_640x480_YUV411 |
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#define DC1394_VIDEO_MODE_640x480_YUV422 MODE_640x480_YUV422 |
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#define DC1394_FRAMERATE_1_875 FRAMERATE_1_875 |
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#define DC1394_FRAMERATE_3_75 FRAMERATE_3_75 |
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#define DC1394_FRAMERATE_7_5 FRAMERATE_7_5 |
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#define DC1394_FRAMERATE_15 FRAMERATE_15 |
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#define DC1394_FRAMERATE_30 FRAMERATE_30 |
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#define DC1394_FRAMERATE_60 FRAMERATE_60 |
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#define DC1394_FRAMERATE_120 FRAMERATE_120 |
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#define DC1394_FRAMERATE_240 FRAMERATE_240 |
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#endif |
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#include "libavutil/imgutils.h" |
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#include "libavutil/internal.h" |
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@ -54,15 +35,9 @@ |
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typedef struct dc1394_data { |
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AVClass *class; |
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#if HAVE_LIBDC1394_1 |
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raw1394handle_t handle; |
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dc1394_cameracapture camera; |
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int channel; |
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#elif HAVE_LIBDC1394_2 |
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dc1394_t *d; |
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dc1394camera_t *camera; |
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dc1394video_frame_t *frame; |
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#endif |
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int current_frame; |
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int frame_rate; /**< frames per 1000 seconds (fps * 1000) */ |
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char *video_size; /**< String describing video size, set by a private option. */ |
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@ -104,9 +79,6 @@ static const struct dc1394_frame_rate { |
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#define OFFSET(x) offsetof(dc1394_data, x) |
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#define DEC AV_OPT_FLAG_DECODING_PARAM |
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static const AVOption options[] = { |
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#if HAVE_LIBDC1394_1 |
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{ "channel", "", offsetof(dc1394_data, channel), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }, |
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#endif |
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{ "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = "qvga"}, 0, 0, DEC }, |
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{ "pixel_format", "", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = "uyvy422"}, 0, 0, DEC }, |
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{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "ntsc"}, 0, 0, DEC }, |
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@ -192,102 +164,7 @@ out: |
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return ret; |
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} |
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#if HAVE_LIBDC1394_1 |
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static int dc1394_v1_read_header(AVFormatContext *c) |
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{ |
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dc1394_data* dc1394 = c->priv_data; |
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AVStream* vst; |
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nodeid_t* camera_nodes; |
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int res; |
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struct dc1394_frame_format *fmt = NULL; |
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struct dc1394_frame_rate *fps = NULL; |
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if (dc1394_read_common(c, &fmt, &fps) != 0) |
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return -1; |
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/* Now let us prep the hardware. */ |
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dc1394->handle = dc1394_create_handle(0); /* FIXME: gotta have ap->port */ |
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if (!dc1394->handle) { |
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av_log(c, AV_LOG_ERROR, "Can't acquire dc1394 handle on port %d\n", 0 /* ap->port */); |
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goto out; |
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} |
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camera_nodes = dc1394_get_camera_nodes(dc1394->handle, &res, 1); |
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if (!camera_nodes || camera_nodes[dc1394->channel] == DC1394_NO_CAMERA) { |
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av_log(c, AV_LOG_ERROR, "There's no IIDC camera on the channel %d\n", dc1394->channel); |
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goto out_handle; |
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} |
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res = dc1394_dma_setup_capture(dc1394->handle, camera_nodes[dc1394->channel], |
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0, |
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FORMAT_VGA_NONCOMPRESSED, |
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fmt->frame_size_id, |
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SPEED_400, |
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fps->frame_rate_id, 8, 1, |
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c->filename, |
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&dc1394->camera); |
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dc1394_free_camera_nodes(camera_nodes); |
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if (res != DC1394_SUCCESS) { |
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av_log(c, AV_LOG_ERROR, "Can't prepare camera for the DMA capture\n"); |
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goto out_handle; |
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} |
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res = dc1394_start_iso_transmission(dc1394->handle, dc1394->camera.node); |
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if (res != DC1394_SUCCESS) { |
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av_log(c, AV_LOG_ERROR, "Can't start isochronous transmission\n"); |
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goto out_handle_dma; |
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} |
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return 0; |
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out_handle_dma: |
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dc1394_dma_unlisten(dc1394->handle, &dc1394->camera); |
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dc1394_dma_release_camera(dc1394->handle, &dc1394->camera); |
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out_handle: |
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dc1394_destroy_handle(dc1394->handle); |
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out: |
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return -1; |
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} |
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static int dc1394_v1_read_packet(AVFormatContext *c, AVPacket *pkt) |
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{ |
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struct dc1394_data *dc1394 = c->priv_data; |
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int res; |
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/* discard stale frame */ |
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if (dc1394->current_frame++) { |
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if (dc1394_dma_done_with_buffer(&dc1394->camera) != DC1394_SUCCESS) |
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av_log(c, AV_LOG_ERROR, "failed to release %d frame\n", dc1394->current_frame); |
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} |
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res = dc1394_dma_single_capture(&dc1394->camera); |
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if (res == DC1394_SUCCESS) { |
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pkt->data = (uint8_t *)dc1394->camera.capture_buffer; |
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pkt->size = dc1394->size; |
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pkt->pts = (dc1394->current_frame * 1000000) / dc1394->frame_rate; |
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pkt->flags |= AV_PKT_FLAG_KEY; |
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pkt->stream_index = dc1394->stream_index; |
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} else { |
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av_log(c, AV_LOG_ERROR, "DMA capture failed\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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return pkt->size; |
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} |
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static int dc1394_v1_close(AVFormatContext * context) |
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{ |
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struct dc1394_data *dc1394 = context->priv_data; |
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dc1394_stop_iso_transmission(dc1394->handle, dc1394->camera.node); |
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dc1394_dma_unlisten(dc1394->handle, &dc1394->camera); |
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dc1394_dma_release_camera(dc1394->handle, &dc1394->camera); |
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dc1394_destroy_handle(dc1394->handle); |
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return 0; |
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} |
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#elif HAVE_LIBDC1394_2 |
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static int dc1394_v2_read_header(AVFormatContext *c) |
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static int dc1394_read_header(AVFormatContext *c) |
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{ |
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dc1394_data* dc1394 = c->priv_data; |
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dc1394camera_list_t *list; |
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@ -365,7 +242,7 @@ out: |
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return -1; |
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} |
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static int dc1394_v2_read_packet(AVFormatContext *c, AVPacket *pkt) |
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static int dc1394_read_packet(AVFormatContext *c, AVPacket *pkt) |
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{ |
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struct dc1394_data *dc1394 = c->priv_data; |
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int res; |
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@ -391,7 +268,7 @@ static int dc1394_v2_read_packet(AVFormatContext *c, AVPacket *pkt) |
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return pkt->size; |
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} |
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static int dc1394_v2_close(AVFormatContext * context) |
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static int dc1394_close(AVFormatContext * context) |
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{ |
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struct dc1394_data *dc1394 = context->priv_data; |
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@ -407,23 +284,9 @@ AVInputFormat ff_libdc1394_demuxer = { |
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.name = "libdc1394", |
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.long_name = NULL_IF_CONFIG_SMALL("dc1394 v.2 A/V grab"), |
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.priv_data_size = sizeof(struct dc1394_data), |
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.read_header = dc1394_v2_read_header, |
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.read_packet = dc1394_v2_read_packet, |
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.read_close = dc1394_v2_close, |
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.flags = AVFMT_NOFILE, |
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.priv_class = &libdc1394_class, |
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}; |
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#endif |
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#if HAVE_LIBDC1394_1 |
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AVInputFormat ff_libdc1394_demuxer = { |
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.name = "libdc1394", |
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.long_name = NULL_IF_CONFIG_SMALL("dc1394 v.1 A/V grab"), |
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.priv_data_size = sizeof(struct dc1394_data), |
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.read_header = dc1394_v1_read_header, |
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.read_packet = dc1394_v1_read_packet, |
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.read_close = dc1394_v1_close, |
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.read_header = dc1394_read_header, |
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.read_packet = dc1394_read_packet, |
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.read_close = dc1394_close, |
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.flags = AVFMT_NOFILE, |
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.priv_class = &libdc1394_class, |
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}; |
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#endif |
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