diff options
author | henry <henry@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-08-07 12:18:04 +0000 |
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committer | henry <henry@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-08-07 12:18:04 +0000 |
commit | e07e36bbe4e605aff64f68e28cefe7676308c83f (patch) | |
tree | cb0a3a4198a580060704a5612dd25df85b306b7a | |
parent | 21382f9486db61a3e2a34ff9cb3721a529f01f9d (diff) | |
download | mpv-e07e36bbe4e605aff64f68e28cefe7676308c83f.tar.bz2 mpv-e07e36bbe4e605aff64f68e28cefe7676308c83f.tar.xz |
v4l2 support
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10537 b3059339-0415-0410-9bf9-f77b7e298cf2
-rw-r--r-- | libmpdemux/tvi_v4l2.c | 1622 | ||||
-rw-r--r-- | libmpdemux/videodev2.h | 862 |
2 files changed, 2484 insertions, 0 deletions
diff --git a/libmpdemux/tvi_v4l2.c b/libmpdemux/tvi_v4l2.c new file mode 100644 index 0000000000..f537195544 --- /dev/null +++ b/libmpdemux/tvi_v4l2.c @@ -0,0 +1,1622 @@ +/* +** Video 4 Linux 2 input +** +** This file is part of MPlayer, see http://mplayerhq.hu/ for info. +** +** (c) 2003 Martin Olschewski <olschewski@zpr.uni-koeln.de> +** (c) 2003 Jindrich Makovicka <makovick@kmlinux.fjfi.cvut.cz> +** +** File licensed under the GPL, see http://www.fsf.org/ for more info. +** +** Some ideas are based on works from +** Alex Beregszaszi <alex@naxine.org> +** Gerd Knorr <kraxel@bytesex.org> +** +** CODE IS UNDER DEVELOPMENT, NO FEATURE REQUESTS PLEASE! +*/ + +/* + +known issues: +- norm setting isn't consistent with tvi_v4l +- the same for volume/bass/treble/balance + +*/ + +#include "config.h" + +#if defined(USE_TV) && defined(HAVE_TV_V4L2) + +#include <errno.h> +#include <fcntl.h> +#include <pthread.h> +#include <stdio.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/time.h> +#include <sys/types.h> +#include <unistd.h> +#ifdef HAVE_SYS_SYSINFO_H +#include <sys/sysinfo.h> +#endif +#include "videodev2.h" +#include "../mp_msg.h" +#include "../libvo/img_format.h" +#include "../libao2/afmt.h" +#include "tv.h" +#include "audio_in.h" + +/* information about this file */ +static tvi_info_t info = { + "Video 4 Linux 2 input", + "v4l2", + "Martin Olschewski <olschewski@zpr.uni-koeln.de>", + "first try, more to come ;-)" +}; + +struct map { + struct v4l2_buffer buf; + void *addr; + size_t len; +}; + +#define BUFFER_COUNT 6 + +/* private data */ +typedef struct { + /* video */ + char *video_dev; + int video_fd; + int mp_format; + struct v4l2_capability capability; + struct v4l2_input input; + struct v4l2_format format; + struct v4l2_standard standard; + struct v4l2_tuner tuner; + struct map *map; + int mapcount; + int frames; + long long first_frame; + long long curr_frame; + /* audio video interleaving ;-) */ + volatile int streamon; + pthread_t audio_grabber_thread; + pthread_mutex_t skew_mutex; + + /* 2nd level video buffers */ + int first; + int immediate_mode; + + int video_buffer_size_max; + volatile int video_buffer_size_current; + unsigned char **video_ringbuffer; + long long *video_timebuffer; + volatile int video_head; + volatile int video_tail; + volatile int video_cnt; + pthread_t video_grabber_thread; + pthread_mutex_t video_buffer_mutex; + + /* audio */ + char *audio_dev; + audio_in_t audio_in; + + long long audio_start_time; + int audio_buffer_size; + int aud_skew_cnt; + unsigned char *audio_ringbuffer; + long long *audio_skew_buffer; + volatile int audio_head; + volatile int audio_tail; + volatile int audio_cnt; + volatile long long audio_skew; + volatile double audio_skew_factor; + volatile long long audio_skew_measure_time; + volatile int audio_drop; + volatile int shutdown; + + double audio_secs_per_block; + long long audio_skew_total; + long audio_recv_blocks_total; + long audio_sent_blocks_total; +} priv_t; + +#include "tvi_def.h" + +static void *audio_grabber(void *data); +static void *video_grabber(void *data); + +/**********************************************************************\ + + Only few of the fourccs are the same in v4l2 and mplayer: + + IMGFMT_YVU9 == V4L2_PIX_FMT_YVU410 + IMGFMT_YV12 == V4L2_PIX_FMT_YVU420 + IMGFMT_NV12 == V4L2_PIX_FMT_NV12 + IMGFMT_422P == V4L2_PIX_FMT_YUV422P + IMGFMT_411P == V4L2_PIX_FMT_YUV411P + IMGFMT_UYVY == V4L2_PIX_FMT_UYVY + IMGFMT_Y41P == V4L2_PIX_FMT_Y41P + + This may be an useful translation table for some others: + + IMGFMT_RGB8 == V4L2_PIX_FMT_RGB332 + IMGFMT_RGB15 == V4L2_PIX_FMT_RGB555 + IMGFMT_RGB16 == V4L2_PIX_FMT_RGB565 + IMGFMT_RGB24 == V4L2_PIX_FMT_RGB24 + IMGFMT_RGB32 == V4L2_PIX_FMT_RGB32 + IMGFMT_BGR24 == V4L2_PIX_FMT_BGR24 + IMGFMT_BGR32 == V4L2_PIX_FMT_BGR32 + IMGFMT_Y800 == V4L2_PIX_FMT_GREY + IMGFMT_IF09 == V4L2_PIX_FMT_YUV410 + IMGFMT_I420 == V4L2_PIX_FMT_YUV420 + IMGFMT_YUY2 == V4L2_PIX_FMT_YUYV + +\**********************************************************************/ + +/* +** Translate a mplayer fourcc to a video4linux2 pixel format. +*/ +static int fcc_mp2vl(int fcc) +{ + switch (fcc) { + case IMGFMT_RGB8: return V4L2_PIX_FMT_RGB332; + case IMGFMT_RGB15: return V4L2_PIX_FMT_RGB555; + case IMGFMT_RGB16: return V4L2_PIX_FMT_RGB565; + case IMGFMT_RGB24: return V4L2_PIX_FMT_RGB24; + case IMGFMT_RGB32: return V4L2_PIX_FMT_RGB32; + case IMGFMT_BGR24: return V4L2_PIX_FMT_BGR24; + case IMGFMT_BGR32: return V4L2_PIX_FMT_BGR32; + case IMGFMT_Y800: return V4L2_PIX_FMT_GREY; + case IMGFMT_IF09: return V4L2_PIX_FMT_YUV410; + case IMGFMT_I420: return V4L2_PIX_FMT_YUV420; + case IMGFMT_YUY2: return V4L2_PIX_FMT_YUYV; + case IMGFMT_YV12: return V4L2_PIX_FMT_YUV420; + } + return fcc; +} + +/* +** Translate a video4linux2 fourcc aka pixel format to mplayer. +*/ +static int fcc_vl2mp(int fcc) +{ + switch (fcc) { + case V4L2_PIX_FMT_RGB332: return IMGFMT_RGB8; + case V4L2_PIX_FMT_RGB555: return IMGFMT_RGB15; + case V4L2_PIX_FMT_RGB565: return IMGFMT_RGB16; + case V4L2_PIX_FMT_RGB24: return IMGFMT_RGB24; + case V4L2_PIX_FMT_RGB32: return IMGFMT_RGB32; + case V4L2_PIX_FMT_BGR24: return IMGFMT_BGR24; + case V4L2_PIX_FMT_BGR32: return IMGFMT_BGR32; + case V4L2_PIX_FMT_GREY: return IMGFMT_Y800; + case V4L2_PIX_FMT_YUV410: return IMGFMT_IF09; + case V4L2_PIX_FMT_YUV420: return IMGFMT_I420; + case V4L2_PIX_FMT_YUYV: return IMGFMT_YUY2; + } + return fcc; +} + +/* +** Translate a video4linux2 fourcc aka pixel format +** to a human readable string. +*/ +static char *pixfmt2name(int pixfmt) +{ + static char unknown[24]; + + switch (pixfmt) { + case V4L2_PIX_FMT_RGB332: return "RGB332"; + case V4L2_PIX_FMT_RGB555: return "RGB555"; + case V4L2_PIX_FMT_RGB565: return "RGB565"; + case V4L2_PIX_FMT_RGB555X: return "RGB555X"; + case V4L2_PIX_FMT_RGB565X: return "RGB565X"; + case V4L2_PIX_FMT_BGR24: return "BGR24"; + case V4L2_PIX_FMT_RGB24: return "RGB24"; + case V4L2_PIX_FMT_BGR32: return "BGR32"; + case V4L2_PIX_FMT_RGB32: return "RGB32"; + case V4L2_PIX_FMT_GREY: return "GREY"; + case V4L2_PIX_FMT_YVU410: return "YVU410"; + case V4L2_PIX_FMT_YVU420: return "YVU420"; + case V4L2_PIX_FMT_YUYV: return "YUYV"; + case V4L2_PIX_FMT_UYVY: return "UYVY"; +/* case V4L2_PIX_FMT_YVU422P: return "YVU422P"; */ +/* case V4L2_PIX_FMT_YVU411P: return "YVU411P"; */ + case V4L2_PIX_FMT_YUV422P: return "YUV422P"; + case V4L2_PIX_FMT_YUV411P: return "YUV411P"; + case V4L2_PIX_FMT_Y41P: return "Y41P"; + case V4L2_PIX_FMT_NV12: return "NV12"; + case V4L2_PIX_FMT_NV21: return "NV21"; + case V4L2_PIX_FMT_YUV410: return "YUV410"; + case V4L2_PIX_FMT_YUV420: return "YUV420"; + case V4L2_PIX_FMT_YYUV: return "YYUV"; + case V4L2_PIX_FMT_HI240: return "HI240"; + case V4L2_PIX_FMT_WNVA: return "WNVA"; + } + sprintf(unknown, "unknown (0x%x)", pixfmt); + return unknown; +} + + +/* +** Gives the depth of a video4linux2 fourcc aka pixel format in bits. +*/ +static int pixfmt2depth(int pixfmt) +{ + switch (pixfmt) { + case V4L2_PIX_FMT_RGB332: + return 8; + case V4L2_PIX_FMT_RGB555: + case V4L2_PIX_FMT_RGB565: + case V4L2_PIX_FMT_RGB555X: + case V4L2_PIX_FMT_RGB565X: + return 16; + case V4L2_PIX_FMT_BGR24: + case V4L2_PIX_FMT_RGB24: + return 24; + case V4L2_PIX_FMT_BGR32: + case V4L2_PIX_FMT_RGB32: + return 32; + case V4L2_PIX_FMT_GREY: + return 8; + case V4L2_PIX_FMT_YVU410: + return 9; + case V4L2_PIX_FMT_YVU420: + return 12; + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_YUV422P: + case V4L2_PIX_FMT_YUV411P: + return 16; + case V4L2_PIX_FMT_Y41P: + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + return 12; + case V4L2_PIX_FMT_YUV410: + return 9; + case V4L2_PIX_FMT_YUV420: + return 12; + case V4L2_PIX_FMT_YYUV: + return 16; + case V4L2_PIX_FMT_HI240: + return 8; + + } + return 0; +} + +static int amode2v4l(int amode) +{ + switch (amode) { + case 0: + return V4L2_TUNER_MODE_MONO; + case 1: + return V4L2_TUNER_MODE_STEREO; + case 2: + return V4L2_TUNER_MODE_LANG1; + case 3: + return V4L2_TUNER_MODE_LANG2; + default: + return -1; + } +} + + +// sets and sanitizes audio buffer/block sizes +static void setup_audio_buffer_sizes(priv_t *priv) +{ + int bytes_per_sample = priv->audio_in.bytes_per_sample; + double fps = priv->standard.frameperiod.denominator / + priv->standard.frameperiod.numerator; + int seconds = priv->video_buffer_size_max/fps; + + if (seconds < 5) seconds = 5; + if (seconds > 500) seconds = 500; + + // make the audio buffer at least as the video buffer capacity (or 5 seconds) long + priv->audio_buffer_size = 1 + seconds*priv->audio_in.samplerate + *priv->audio_in.channels + *bytes_per_sample/priv->audio_in.blocksize; + if (priv->audio_buffer_size < 256) priv->audio_buffer_size = 256; + + // make the skew buffer at least 1 second long + priv->aud_skew_cnt = 1 + 1*priv->audio_in.samplerate + *priv->audio_in.channels + *bytes_per_sample/priv->audio_in.blocksize; + if (priv->aud_skew_cnt < 16) priv->aud_skew_cnt = 16; + + mp_msg(MSGT_TV, MSGL_V, "Audio capture - buffer %d blocks of %d bytes, skew average from %d meas.\n", + priv->audio_buffer_size, priv->audio_in.blocksize, priv->aud_skew_cnt); +} + +#if 0 +/* +** the number of milliseconds elapsed between time0 and time1 +*/ +static size_t difftv(struct timeval time1, struct timeval time0) +{ + return (time1.tv_sec - time0.tv_sec) * 1000 + + (time1.tv_usec - time0.tv_usec) / 1000; +} +#endif + +/* +** Get current video capture format. +*/ +static int getfmt(priv_t *priv) +{ + int i; + + priv->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if ((i = ioctl(priv->video_fd, VIDIOC_G_FMT, &priv->format)) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get format failed: %s\n", + info.short_name, strerror(errno)); + } + return i; +} + + +/* +** Get current video capture standard. +*/ +static int getstd(priv_t *priv) +{ + v4l2_std_id id; + int i=0; + + if (ioctl(priv->video_fd, VIDIOC_G_STD, &id) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get standard failed: %s\n", + info.short_name, strerror(errno)); + return -1; + } + do { + priv->standard.index = i++; + if (ioctl(priv->video_fd, VIDIOC_ENUMSTD, &priv->standard) < 0) { + return -1; + } + } while (priv->standard.id != id); + return 0; +} + +/***********************************************************************\ + * * + * * + * Interface to mplayer * + * * + * * +\***********************************************************************/ + +static int set_mute(priv_t *priv, int value) +{ + struct v4l2_control control; + control.id = V4L2_CID_AUDIO_MUTE; + control.value = value; + if (ioctl(priv->video_fd, VIDIOC_S_CTRL, &control) < 0) { + mp_msg(MSGT_TV,MSGL_ERR,"%s: ioctl set mute failed: %s\n", + info.short_name, strerror(errno)); + return 0; + } + return 1; +} + +/* +** Mplayer uses values from -100 up to 100 for controls. +** Here they are scaled to what the tv card needs and applied. +*/ +static int set_control(priv_t *priv, struct v4l2_control *control, int val_signed) { + struct v4l2_queryctrl qctrl; + + qctrl.id = control->id; + if (ioctl(priv->video_fd, VIDIOC_QUERYCTRL, &qctrl) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl query control failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + + if (val_signed) { + if (control->value < 0) { + control->value = qctrl.default_value + control->value * + (qctrl.default_value - qctrl.minimum) / 100; + } else { + control->value = qctrl.default_value + control->value * + (qctrl.maximum - qctrl.default_value) / 100; + } + } else { + if (control->value < 50) { + control->value = qctrl.default_value + (control->value-50) * + (qctrl.default_value - qctrl.minimum) / 50; + } else { + control->value = qctrl.default_value + (control->value-50) * + (qctrl.maximum - qctrl.default_value) / 50; + } + } + + + if (ioctl(priv->video_fd, VIDIOC_S_CTRL, control) < 0) { + mp_msg(MSGT_TV, MSGL_ERR,"%s: ioctl set %s %d failed: %s\n", + info.short_name, qctrl.name, control->value, strerror(errno)); + return TVI_CONTROL_FALSE; + } + mp_msg(MSGT_TV, MSGL_V, "%s: set %s: %d [%d, %d]\n", info.short_name, + qctrl.name, control->value, qctrl.minimum, qctrl.maximum); + + return TVI_CONTROL_TRUE; +} + + +/* +** Scale the control values back to what mplayer needs. +*/ +static int get_control(priv_t *priv, struct v4l2_control *control, int val_signed) { + struct v4l2_queryctrl qctrl; + + qctrl.id = control->id; + if (ioctl(priv->video_fd, VIDIOC_QUERYCTRL, &qctrl) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl query control failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + + if (ioctl(priv->video_fd, VIDIOC_G_CTRL, control) < 0) { + mp_msg(MSGT_TV, MSGL_ERR,"%s: ioctl get %s failed: %s\n", + info.short_name, qctrl.name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + mp_msg(MSGT_TV, MSGL_V, "%s: get %s: %d [%d, %d]\n", info.short_name, + qctrl.name, control->value, qctrl.minimum, qctrl.maximum); + + if (val_signed) { + if (control->value < qctrl.default_value) { + control->value = (control->value - qctrl.default_value) * 100 / + (qctrl.default_value - qctrl.minimum); + } else { + control->value = (control->value - qctrl.default_value) * 100 / + (qctrl.maximum - qctrl.default_value); + } + } else { + if (control->value < qctrl.default_value) { + control->value = (control->value - qctrl.default_value) * 50 / + (qctrl.default_value - qctrl.minimum) + 50; + } else { + control->value = (control->value - qctrl.default_value) * 50 / + (qctrl.maximum - qctrl.default_value) + 50; + } + } + + return TVI_CONTROL_TRUE; +} + +static int control(priv_t *priv, int cmd, void *arg) +{ + struct v4l2_control control; + struct v4l2_frequency frequency; + + switch(cmd) { + case TVI_CONTROL_IS_AUDIO: + if (tv_param_force_audio) return TVI_CONTROL_TRUE; + return priv->input.audioset ? TVI_CONTROL_TRUE: TVI_CONTROL_FALSE; + case TVI_CONTROL_IS_VIDEO: + return priv->capability.capabilities & V4L2_CAP_VIDEO_CAPTURE? + TVI_CONTROL_TRUE: TVI_CONTROL_FALSE; + case TVI_CONTROL_IS_TUNER: + return priv->capability.capabilities & V4L2_CAP_TUNER? + TVI_CONTROL_TRUE: TVI_CONTROL_FALSE; + case TVI_CONTROL_IMMEDIATE: + priv->immediate_mode = 1; + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_GET_FPS: + *(float *)arg = priv->standard.frameperiod.denominator / + priv->standard.frameperiod.numerator; + mp_msg(MSGT_TV, MSGL_V, "%s: get fps: %f\n", info.short_name, + *(float *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_GET_BITS: + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + *(int *)arg = pixfmt2depth(priv->format.fmt.pix.pixelformat); + mp_msg(MSGT_TV, MSGL_V, "%s: get depth: %d\n", info.short_name, + *(int *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_GET_FORMAT: + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + if (priv->mp_format == IMGFMT_YV12 && priv->format.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) { + *(int *)arg = IMGFMT_YV12; + } else { + *(int *)arg = fcc_vl2mp(priv->format.fmt.pix.pixelformat); + } + mp_msg(MSGT_TV, MSGL_V, "%s: get format: %s\n", info.short_name, + pixfmt2name(priv->format.fmt.pix.pixelformat)); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_SET_FORMAT: + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + priv->format.fmt.pix.pixelformat = fcc_mp2vl(*(int *)arg); + priv->format.fmt.pix.field = V4L2_FIELD_ANY; + + priv->mp_format = *(int *)arg; + mp_msg(MSGT_TV, MSGL_V, "%s: set format: %s\n", info.short_name, + pixfmt2name(priv->format.fmt.pix.pixelformat)); + if (ioctl(priv->video_fd, VIDIOC_S_FMT, &priv->format) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set format failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_GET_WIDTH: + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + *(int *)arg = priv->format.fmt.pix.width; + mp_msg(MSGT_TV, MSGL_V, "%s: get width: %d\n", info.short_name, + *(int *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_CHK_WIDTH: + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_SET_WIDTH: + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + priv->format.fmt.pix.width = *(int *)arg; + mp_msg(MSGT_TV, MSGL_V, "%s: set width: %d\n", info.short_name, + *(int *)arg); + if (ioctl(priv->video_fd, VIDIOC_S_FMT, &priv->format) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set width failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_GET_HEIGHT: + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + *(int *)arg = priv->format.fmt.pix.height; + mp_msg(MSGT_TV, MSGL_V, "%s: get height: %d\n", info.short_name, + *(int *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_CHK_HEIGHT: + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_SET_HEIGHT: + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + priv->format.fmt.pix.height = *(int *)arg; + mp_msg(MSGT_TV, MSGL_V, "%s: set height: %d\n", info.short_name, + *(int *)arg); + if (ioctl(priv->video_fd, VIDIOC_S_FMT, &priv->format) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set height failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_VID_GET_BRIGHTNESS: + control.id = V4L2_CID_BRIGHTNESS; + if (get_control(priv, &control, 1) == TVI_CONTROL_TRUE) { + *(int *)arg = control.value; + return TVI_CONTROL_TRUE; + } + return TVI_CONTROL_FALSE; + case TVI_CONTROL_VID_SET_BRIGHTNESS: + control.id = V4L2_CID_BRIGHTNESS; + control.value = *(int *)arg; + return set_control(priv, &control, 1); + case TVI_CONTROL_VID_GET_HUE: + control.id = V4L2_CID_HUE; + if (get_control(priv, &control, 1) == TVI_CONTROL_TRUE) { + *(int *)arg = control.value; + return TVI_CONTROL_TRUE; + } + return TVI_CONTROL_FALSE; + case TVI_CONTROL_VID_SET_HUE: + control.id = V4L2_CID_HUE; + control.value = *(int *)arg; + return set_control(priv, &control, 1); + case TVI_CONTROL_VID_GET_SATURATION: + control.id = V4L2_CID_SATURATION; + if (get_control(priv, &control, 1) == TVI_CONTROL_TRUE) { + *(int *)arg = control.value; + return TVI_CONTROL_TRUE; + } + return TVI_CONTROL_FALSE; + case TVI_CONTROL_VID_SET_SATURATION: + control.id = V4L2_CID_SATURATION; + control.value = *(int *)arg; + return set_control(priv, &control, 1); + case TVI_CONTROL_VID_GET_CONTRAST: + control.id = V4L2_CID_CONTRAST; + if (get_control(priv, &control, 1) == TVI_CONTROL_TRUE) { + *(int *)arg = control.value; + return TVI_CONTROL_TRUE; + } + return TVI_CONTROL_FALSE; + case TVI_CONTROL_VID_SET_CONTRAST: + control.id = V4L2_CID_CONTRAST; + control.value = *(int *)arg; + return set_control(priv, &control, 1); + case TVI_CONTROL_TUN_GET_FREQ: + frequency.tuner = 0; + frequency.type = V4L2_TUNER_ANALOG_TV; + if (ioctl(priv->video_fd, VIDIOC_G_FREQUENCY, &frequency) < 0) { + mp_msg(MSGT_TV,MSGL_ERR,"%s: ioctl get frequency failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + *(int *)arg = frequency.frequency; + return TVI_CONTROL_TRUE; + case TVI_CONTROL_TUN_SET_FREQ: +#if 0 + if (priv->input.audioset) { + set_mute(priv, 1); + usleep(100000); // wait to supress noise during switching + } +#endif + frequency.tuner = 0; + frequency.type = V4L2_TUNER_ANALOG_TV; + frequency.frequency = *(int *)arg; + if (ioctl(priv->video_fd, VIDIOC_S_FREQUENCY, &frequency) < 0) { + mp_msg(MSGT_TV,MSGL_ERR,"%s: ioctl set frequency failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } +#if 0 + if (priv->input.audioset) { + usleep(100000); // wait to supress noise during switching + set_mute(priv, 0); + } +#endif + return TVI_CONTROL_TRUE; + case TVI_CONTROL_TUN_GET_TUNER: + mp_msg(MSGT_TV, MSGL_V, "%s: get tuner\n"); + if (ioctl(priv->video_fd, VIDIOC_G_TUNER, &priv->tuner) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get tuner failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_TUN_SET_TUNER: + mp_msg(MSGT_TV, MSGL_V, "%s: set tuner\n"); + if (ioctl(priv->video_fd, VIDIOC_S_TUNER, &priv->tuner) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set tuner failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_TUN_GET_NORM: + *(int *)arg = priv->standard.index; + return TVI_CONTROL_TRUE; + case TVI_CONTROL_TUN_SET_NORM: + priv->standard.index = *(int *)arg; + if (ioctl(priv->video_fd, VIDIOC_ENUMSTD, &priv->standard) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl enum norm failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + mp_msg(MSGT_TV, MSGL_V, "%s: set norm: %s\n", info.short_name, priv->standard.name); + if (ioctl(priv->video_fd, VIDIOC_S_STD, &priv->standard.id) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set norm failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_SPC_GET_INPUT: + if (ioctl(priv->video_fd, VIDIOC_G_INPUT, (int *)arg) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get input failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_SPC_SET_INPUT: + mp_msg(MSGT_TV, MSGL_V, "%s: set input: %d\n", info.short_name, *(int *)arg); + priv->input.index = *(int *)arg; + if (ioctl(priv->video_fd, VIDIOC_ENUMINPUT, &priv->input) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl enum input failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + if (ioctl(priv->video_fd, VIDIOC_S_INPUT, (int *)arg) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set input failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } + return TVI_CONTROL_TRUE; + case TVI_CONTROL_AUD_GET_FORMAT: + *(int *)arg = AFMT_S16_LE; + mp_msg(MSGT_TV, MSGL_V, "%s: get audio format: %d\n", + info.short_name, *(int *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_AUD_GET_SAMPLERATE: + *(int *)arg = priv->audio_in.samplerate; + mp_msg(MSGT_TV, MSGL_V, "%s: get audio samplerate: %d\n", + info.short_name, *(int *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_AUD_GET_SAMPLESIZE: + *(int *)arg = priv->audio_in.bytes_per_sample;; + mp_msg(MSGT_TV, MSGL_V, "%s: get audio samplesize: %d\n", + info.short_name, *(int *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_AUD_GET_CHANNELS: + *(int *)arg = priv->audio_in.channels; + mp_msg(MSGT_TV, MSGL_V, "%s: get audio channels: %d\n", + info.short_name, *(int *)arg); + return TVI_CONTROL_TRUE; + case TVI_CONTROL_AUD_SET_SAMPLERATE: + mp_msg(MSGT_TV, MSGL_V, "%s: set audio samplerate: %d\n", + info.short_name, *(int *)arg); + if (audio_in_set_samplerate(&priv->audio_in, (int)*(void **)arg) < 0) return TVI_CONTROL_FALSE; +// setup_audio_buffer_sizes(priv); + return TVI_CONTROL_TRUE; + } + mp_msg(MSGT_TV, MSGL_V, "%s: unknown control: %d\n", info.short_name, cmd); + return(TVI_CONTROL_UNKNOWN); +} + + +#define PRIV ((priv_t *) (tvi_handle->priv)) + +/* handler creator - entry point ! */ +tvi_handle_t *tvi_init_v4l2(char *video_dev, char *audio_dev) +{ + tvi_handle_t *tvi_handle; + + /* new_handle initializes priv with memset 0 */ + tvi_handle = new_handle(); + if (!tvi_handle) { + return NULL; + } + PRIV->video_fd = -1; + + PRIV->video_dev = strdup(video_dev? video_dev: "/dev/video"); + if (!PRIV->video_dev) { + free_handle(tvi_handle); + return NULL; + } + + if (audio_dev) { + PRIV->audio_dev = strdup(audio_dev); + if (!PRIV->audio_dev) { + free(PRIV->video_dev); + free_handle(tvi_handle); + return NULL; + } + } + + return tvi_handle; +} + +#undef PRIV + + +static int uninit(priv_t *priv) +{ + int i, frames, dropped = 0; + + priv->shutdown = 1; + pthread_join(priv->audio_grabber_thread, NULL); + pthread_mutex_destroy(&priv->video_buffer_mutex); + + if (priv->streamon) { + struct v4l2_buffer buf; + + /* get performance */ + frames = 1 + (priv->curr_frame - priv->first_frame) * + priv->standard.frameperiod.denominator / + priv->standard.frameperiod.numerator / 1000000; + dropped = frames - priv->frames; + + /* turn off streaming */ + if (ioctl(priv->video_fd, VIDIOC_STREAMOFF, &(priv->map[0].buf.type)) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl streamoff failed: %s\n", + info.short_name, strerror(errno)); + } + priv->streamon = 0; + + /* unqueue all remaining buffers */ + memset(&buf,0,sizeof(buf)); + buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + while (!ioctl(priv->video_fd, VIDIOC_DQBUF, &buf)); + } + + /* unmap all buffers */ + for (i = 0; i < priv->mapcount; i++) { + if (munmap(priv->map[i].addr, priv->map[i].len) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: munmap capture buffer failed: %s\n", + info.short_name, strerror(errno)); + } + } + + /* stop audio thread */ + if (!tv_param_noaudio) { + pthread_join(priv->audio_grabber_thread, NULL); + pthread_mutex_destroy(&priv->skew_mutex); + } + + if (priv->input.audioset) { + set_mute(priv, 1); + } + + /* free memory and close device */ + free(priv->map); priv->map = NULL; + priv->mapcount = 0; + close(priv->video_fd); priv->video_fd = -1; + free(priv->video_dev); priv->video_dev = NULL; + + if (priv->video_ringbuffer) { + int i; + for (i = 0; i < priv->video_buffer_size_current; i++) { + free(priv->video_ringbuffer[i]); + } + free(priv->video_ringbuffer); + } + if (priv->video_timebuffer) + free(priv->video_timebuffer); + if (!tv_param_noaudio) { + if (priv->audio_ringbuffer) + free(priv->audio_ringbuffer); + if (priv->audio_skew_buffer) + free(priv->audio_skew_buffer); + } + + /* show some nice statistics ;-) */ + mp_msg(MSGT_TV, MSGL_INFO, + "%s: %d frames successfully processed, %d frames dropped.\n", + info.short_name, priv->frames, dropped); + mp_msg(MSGT_TV, MSGL_V, "%s: up to %u video frames buffered.\n", + info.short_name, priv->video_buffer_size_current); + return 1; +} + + +/* initialisation */ +static int init(priv_t *priv) +{ + int i; + + if (tv_param_immediate == 1) + tv_param_noaudio = 1; + + priv->audio_ringbuffer = NULL; + priv->audio_skew_buffer = NULL; + + /* Open the video device. */ + priv->video_fd = open(priv->video_dev, O_RDWR); + if (priv->video_fd < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: unable to open '%s': %s\n", + info.short_name, priv->video_dev, strerror(errno)); + uninit(priv); + return 0; + } + mp_msg(MSGT_TV, MSGL_DBG2, "%s: video fd: %s: %d\n", + info.short_name, priv->video_dev, priv->video_fd); + + /* + ** Query the video capabilities and current settings + ** for further control calls. + */ + if (ioctl(priv->video_fd, VIDIOC_QUERYCAP, &priv->capability) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl query capabilities failed: %s\n", + info.short_name, strerror(errno)); + uninit(priv); + return 0; + } + + if (!(priv->capability.capabilities & V4L2_CAP_VIDEO_CAPTURE)) + { + mp_msg(MSGT_TV, MSGL_ERR, "Device %s is not a video capture device.\n", + priv->video_dev); + return 0; + } + + if (getfmt(priv) < 0 || getstd(priv) < 0) { + uninit(priv); + return 0; + } + /* + ** if this device has got a tuner query it's settings + ** otherwise set some nice defaults + */ + if (priv->capability.capabilities & V4L2_CAP_TUNER) { + if (ioctl(priv->video_fd, VIDIOC_G_TUNER, &priv->tuner) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get tuner failed: %s\n", + info.short_name, strerror(errno)); + uninit(priv); + return 0; + } + } + mp_msg(MSGT_TV, MSGL_INFO, "Selected device: %s\n", priv->capability.card); + if (priv->capability.capabilities & V4L2_CAP_TUNER) { + mp_msg(MSGT_TV, MSGL_INFO, " Tuner cap:%s%s%s\n", + (priv->tuner.capability & V4L2_TUNER_CAP_STEREO) ? " STEREO" : "", + (priv->tuner.capability & V4L2_TUNER_CAP_LANG1) ? " LANG1" : "", + (priv->tuner.capability & V4L2_TUNER_CAP_LANG2) ? " LANG2" : ""); + mp_msg(MSGT_TV, MSGL_INFO, " Tuner rxs:%s%s%s%s\n", + (priv->tuner.rxsubchans & V4L2_TUNER_SUB_MONO) ? " MONO" : "", + (priv->tuner.rxsubchans & V4L2_TUNER_SUB_STEREO) ? " STEREO" : "", + (priv->tuner.rxsubchans & V4L2_TUNER_SUB_LANG1) ? " LANG1" : "", + (priv->tuner.rxsubchans & V4L2_TUNER_SUB_LANG2) ? " LANG2" : ""); + } + mp_msg(MSGT_TV, MSGL_INFO, " Capabilites:%s%s%s%s%s%s%s%s%s%s%s\n", + priv->capability.capabilities & V4L2_CAP_VIDEO_CAPTURE? + " video capture": "", + priv->capability.capabilities & V4L2_CAP_VIDEO_OUTPUT? + " video output": "", + priv->capability.capabilities & V4L2_CAP_VIDEO_OVERLAY? + " video overlay": "", + priv->capability.capabilities & V4L2_CAP_VBI_CAPTURE? + " VBI capture device": "", + priv->capability.capabilities & V4L2_CAP_VBI_OUTPUT? + " VBI output": "", + priv->capability.capabilities & V4L2_CAP_RDS_CAPTURE? + " RDS data capture": "", + priv->capability.capabilities & V4L2_CAP_TUNER? + " tuner": "", + priv->capability.capabilities & V4L2_CAP_AUDIO? + " audio": "", + priv->capability.capabilities & V4L2_CAP_READWRITE? + " read/write": "", + priv->capability.capabilities & V4L2_CAP_ASYNCIO? + " async i/o": "", + priv->capability.capabilities & V4L2_CAP_STREAMING? + " streaming": ""); + mp_msg(MSGT_TV, MSGL_INFO, " supported norms:"); + for (i = 0;; i++) { + struct v4l2_standard standard; + memset(&standard, 0, sizeof(standard)); + standard.index = i; + if (-1 == ioctl(priv->video_fd, VIDIOC_ENUMSTD, &standard)) + break; + printf(" %d = %s;", i, standard.name); + } + mp_msg(MSGT_TV, MSGL_INFO, "\n inputs:"); + for (i = 0; 1; i++) { + struct v4l2_input input; + + input.index = i; + if (ioctl(priv->video_fd, VIDIOC_ENUMINPUT, &input) < 0) { + break; + } + mp_msg(MSGT_TV, MSGL_INFO, " %d = %s;", i, input.name); + } + if (ioctl(priv->video_fd, VIDIOC_G_INPUT, &i) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get input failed: %s\n", + info.short_name, strerror(errno)); + } + mp_msg(MSGT_TV, MSGL_INFO, "\n Current input: %d\n", i); + for (i = 0; ; i++) { + struct v4l2_fmtdesc fmtdesc; + + fmtdesc.index = i; + fmtdesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if (ioctl(priv->video_fd, VIDIOC_ENUM_FMT, &fmtdesc) < 0) { + break; + } + mp_msg(MSGT_TV, MSGL_V, " Format %-6s (%2d bits, %s): %s\n", + pixfmt2name(fmtdesc.pixelformat), pixfmt2depth(fmtdesc.pixelformat), + fmtdesc.description, vo_format_name(fcc_vl2mp(fmtdesc.pixelformat))); + } + mp_msg(MSGT_TV, MSGL_INFO, " Current format: %s\n", + pixfmt2name(priv->format.fmt.pix.pixelformat)); + + /* set some nice defaults */ + if (getfmt(priv) < 0) return 0; + priv->format.fmt.pix.width = 640; + priv->format.fmt.pix.height = 480; + if (ioctl(priv->video_fd, VIDIOC_S_FMT, &priv->format) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set format failed: %s\n", + info.short_name, strerror(errno)); + uninit(priv); + return 0; + } + +// if (!(priv->capability.capabilities & V4L2_CAP_AUDIO) && !tv_param_force_audio) tv_param_noaudio = 1; + + if (priv->capability.capabilities & V4L2_CAP_TUNER) { + struct v4l2_control control; + if (tv_param_amode >= 0) { + mp_msg(MSGT_TV, MSGL_V, "%s: setting audio mode\n", info.short_name); + priv->tuner.audmode = amode2v4l(tv_param_amode); + if (ioctl(priv->video_fd, VIDIOC_S_TUNER, &priv->tuner) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl set tuner failed: %s\n", + info.short_name, strerror(errno)); + return TVI_CONTROL_FALSE; + } |