mirror of https://github.com/FFmpeg/FFmpeg.git
This will be shared with the output device.pull/18/head
Clément Bœsch
12 years ago
parent
729fa55b8f
commit
8eec655320
4 changed files with 170 additions and 120 deletions
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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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 "v4l2-common.h" |
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const struct fmt_map avpriv_fmt_conversion_table[] = { |
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//ff_fmt codec_id v4l2_fmt
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{ AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420 }, |
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{ AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU420 }, |
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{ AV_PIX_FMT_YUV422P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV422P }, |
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{ AV_PIX_FMT_YUYV422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUYV }, |
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{ AV_PIX_FMT_UYVY422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_UYVY }, |
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{ AV_PIX_FMT_YUV411P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV411P }, |
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{ AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV410 }, |
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{ AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU410 }, |
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{ AV_PIX_FMT_RGB555LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555 }, |
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{ AV_PIX_FMT_RGB555BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555X }, |
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{ AV_PIX_FMT_RGB565LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565 }, |
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{ AV_PIX_FMT_RGB565BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565X }, |
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{ AV_PIX_FMT_BGR24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR24 }, |
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{ AV_PIX_FMT_RGB24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB24 }, |
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{ AV_PIX_FMT_BGR0, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32 }, |
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{ AV_PIX_FMT_0RGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32 }, |
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{ AV_PIX_FMT_GRAY8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY }, |
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#ifdef V4L2_PIX_FMT_Y16 |
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{ AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16 }, |
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#endif |
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{ AV_PIX_FMT_NV12, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12 }, |
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{ AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_MJPEG }, |
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{ AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_JPEG }, |
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#ifdef V4L2_PIX_FMT_H264 |
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{ AV_PIX_FMT_NONE, AV_CODEC_ID_H264, V4L2_PIX_FMT_H264 }, |
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#endif |
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#ifdef V4L2_PIX_FMT_CPIA1 |
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{ AV_PIX_FMT_NONE, AV_CODEC_ID_CPIA, V4L2_PIX_FMT_CPIA1 }, |
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#endif |
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{ AV_PIX_FMT_NONE, AV_CODEC_ID_NONE, 0 }, |
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}; |
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uint32_t avpriv_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id) |
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{ |
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int i; |
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for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
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if ((codec_id == AV_CODEC_ID_NONE || |
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avpriv_fmt_conversion_table[i].codec_id == codec_id) && |
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(pix_fmt == AV_PIX_FMT_NONE || |
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avpriv_fmt_conversion_table[i].ff_fmt == pix_fmt)) { |
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return avpriv_fmt_conversion_table[i].v4l2_fmt; |
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} |
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} |
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return 0; |
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} |
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enum AVPixelFormat avpriv_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id) |
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{ |
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int i; |
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for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
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if (avpriv_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt && |
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avpriv_fmt_conversion_table[i].codec_id == codec_id) { |
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return avpriv_fmt_conversion_table[i].ff_fmt; |
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} |
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} |
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return AV_PIX_FMT_NONE; |
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} |
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enum AVCodecID avpriv_fmt_v4l2codec(uint32_t v4l2_fmt) |
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{ |
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int i; |
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for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
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if (avpriv_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) { |
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return avpriv_fmt_conversion_table[i].codec_id; |
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} |
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} |
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return AV_CODEC_ID_NONE; |
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} |
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@ -0,0 +1,62 @@ |
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVDEVICE_V4L2_COMMON_H |
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#define AVDEVICE_V4L2_COMMON_H |
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#undef __STRICT_ANSI__ //workaround due to broken kernel headers
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#include "config.h" |
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#include "libavformat/internal.h" |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <sys/ioctl.h> |
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#include <sys/mman.h> |
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#include <sys/time.h> |
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#if HAVE_SYS_VIDEOIO_H |
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#include <sys/videoio.h> |
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#else |
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#if HAVE_ASM_TYPES_H |
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#include <asm/types.h> |
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#endif |
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#include <linux/videodev2.h> |
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#endif |
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#include "libavutil/atomic.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/log.h" |
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#include "libavutil/opt.h" |
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#include "avdevice.h" |
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#include "timefilter.h" |
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#include "libavutil/parseutils.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/time.h" |
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#include "libavutil/avstring.h" |
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struct fmt_map { |
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enum AVPixelFormat ff_fmt; |
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enum AVCodecID codec_id; |
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uint32_t v4l2_fmt; |
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}; |
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extern av_export const struct fmt_map avpriv_fmt_conversion_table[]; |
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uint32_t avpriv_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id); |
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enum AVPixelFormat avpriv_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id); |
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enum AVCodecID avpriv_fmt_v4l2codec(uint32_t v4l2_fmt); |
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#endif /* AVDEVICE_V4L2_COMMON_H */ |
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