diff --git a/stream/tvi_v4l2.c b/stream/tvi_v4l2.c index 16e775039e..2a791fa00e 100644 --- a/stream/tvi_v4l2.c +++ b/stream/tvi_v4l2.c @@ -68,23 +68,23 @@ struct map { /* private data */ typedef struct { /* video */ - char *video_dev; - int video_fd; + char *video_dev; + int video_fd; int mp_format; - struct v4l2_capability capability; + 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; + struct v4l2_format format; + struct v4l2_standard standard; + struct v4l2_tuner tuner; + struct map *map; + int mapcount; + int frames; volatile long long first_frame; long long curr_frame; /* audio video interleaving ;-) */ - volatile int streamon; - pthread_t audio_grabber_thread; - pthread_mutex_t skew_mutex; + volatile int streamon; + pthread_t audio_grabber_thread; + pthread_mutex_t skew_mutex; /* 2nd level video buffers */ int first; @@ -92,27 +92,27 @@ typedef struct { int video_buffer_size_max; volatile int video_buffer_size_current; - unsigned char **video_ringbuffer; + 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; + 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; + 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; - long long *audio_skew_delta_buffer; - volatile int audio_head; - volatile int audio_tail; - volatile int audio_cnt; + unsigned char *audio_ringbuffer; + long long *audio_skew_buffer; + long long *audio_skew_delta_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; @@ -124,8 +124,8 @@ typedef struct { long long audio_usecs_per_block; long long audio_skew_total; long long audio_skew_delta_total; - long audio_recv_blocks_total; - long audio_sent_blocks_total; + long audio_recv_blocks_total; + long audio_sent_blocks_total; pthread_mutex_t audio_mutex; int audio_insert_null_samples; volatile long audio_null_blocks_inserted; @@ -172,18 +172,18 @@ static void *video_grabber(void *data); static int fcc_mp2vl(int fcc) { switch (fcc) { - case IMGFMT_RGB8: return V4L2_PIX_FMT_RGB332; - case IMGFMT_BGR15: return V4L2_PIX_FMT_RGB555; - case IMGFMT_BGR16: 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_YVU420; + case IMGFMT_RGB8: return V4L2_PIX_FMT_RGB332; + case IMGFMT_BGR15: return V4L2_PIX_FMT_RGB555; + case IMGFMT_BGR16: 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_YVU420; case IMGFMT_UYVY: return V4L2_PIX_FMT_UYVY; } return fcc; @@ -195,18 +195,18 @@ static int fcc_mp2vl(int fcc) static int fcc_vl2mp(int fcc) { switch (fcc) { - case V4L2_PIX_FMT_RGB332: return IMGFMT_RGB8; - case V4L2_PIX_FMT_RGB555: return IMGFMT_BGR15; - case V4L2_PIX_FMT_RGB565: return IMGFMT_BGR16; - 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_YVU420: return IMGFMT_YV12; - case V4L2_PIX_FMT_YUYV: return IMGFMT_YUY2; + case V4L2_PIX_FMT_RGB332: return IMGFMT_RGB8; + case V4L2_PIX_FMT_RGB555: return IMGFMT_BGR15; + case V4L2_PIX_FMT_RGB565: return IMGFMT_BGR16; + 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_YVU420: return IMGFMT_YV12; + case V4L2_PIX_FMT_YUYV: return IMGFMT_YUY2; case V4L2_PIX_FMT_UYVY: return IMGFMT_UYVY; } return fcc; @@ -221,32 +221,32 @@ static const 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"; + 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; @@ -260,41 +260,41 @@ static int pixfmt2depth(int pixfmt) { switch (pixfmt) { case V4L2_PIX_FMT_RGB332: - return 8; + return 8; case V4L2_PIX_FMT_RGB555: case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB555X: case V4L2_PIX_FMT_RGB565X: - return 16; + return 16; case V4L2_PIX_FMT_BGR24: case V4L2_PIX_FMT_RGB24: - return 24; + return 24; case V4L2_PIX_FMT_BGR32: case V4L2_PIX_FMT_RGB32: - return 32; + return 32; case V4L2_PIX_FMT_GREY: - return 8; + return 8; case V4L2_PIX_FMT_YVU410: - return 9; + return 9; case V4L2_PIX_FMT_YVU420: - return 12; + return 12; case V4L2_PIX_FMT_YUYV: case V4L2_PIX_FMT_UYVY: case V4L2_PIX_FMT_YUV422P: case V4L2_PIX_FMT_YUV411P: - return 16; + return 16; case V4L2_PIX_FMT_Y41P: case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: - return 12; + return 12; case V4L2_PIX_FMT_YUV410: - return 9; + return 9; case V4L2_PIX_FMT_YUV420: - return 12; + return 12; case V4L2_PIX_FMT_YYUV: - return 16; + return 16; case V4L2_PIX_FMT_HI240: - return 8; + return 8; } return 0; @@ -304,15 +304,15 @@ static int amode2v4l(int amode) { switch (amode) { case 0: - return V4L2_TUNER_MODE_MONO; + return V4L2_TUNER_MODE_MONO; case 1: - return V4L2_TUNER_MODE_STEREO; + return V4L2_TUNER_MODE_STEREO; case 2: - return V4L2_TUNER_MODE_LANG1; + return V4L2_TUNER_MODE_LANG1; case 3: - return V4L2_TUNER_MODE_LANG2; + return V4L2_TUNER_MODE_LANG2; default: - return -1; + return -1; } } @@ -322,7 +322,7 @@ static void setup_audio_buffer_sizes(priv_t *priv) { int bytes_per_sample = priv->audio_in.bytes_per_sample; double fps = (double)priv->standard.frameperiod.denominator / - priv->standard.frameperiod.numerator; + priv->standard.frameperiod.numerator; int seconds = priv->video_buffer_size_max/fps; if (seconds < 5) seconds = 5; @@ -330,18 +330,18 @@ static void setup_audio_buffer_sizes(priv_t *priv) // 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; + *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; + *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); + priv->audio_buffer_size, priv->audio_in.blocksize, priv->aud_skew_cnt); } static void init_audio(priv_t *priv) @@ -350,36 +350,36 @@ static void init_audio(priv_t *priv) if (!tv_param_noaudio) { #if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - if (tv_param_alsa) - audio_in_init(&priv->audio_in, AUDIO_IN_ALSA); - else - audio_in_init(&priv->audio_in, AUDIO_IN_OSS); + if (tv_param_alsa) + audio_in_init(&priv->audio_in, AUDIO_IN_ALSA); + else + audio_in_init(&priv->audio_in, AUDIO_IN_OSS); #else - audio_in_init(&priv->audio_in, AUDIO_IN_OSS); + audio_in_init(&priv->audio_in, AUDIO_IN_OSS); #endif - if (priv->audio_dev) { - audio_in_set_device(&priv->audio_in, priv->audio_dev); - } + if (priv->audio_dev) { + audio_in_set_device(&priv->audio_in, priv->audio_dev); + } - audio_in_set_samplerate(&priv->audio_in, 44100); - if (priv->capability.capabilities & V4L2_CAP_TUNER) { - if (priv->tuner.audmode == V4L2_TUNER_MODE_STEREO) { - audio_in_set_channels(&priv->audio_in, 2); - } else { - audio_in_set_channels(&priv->audio_in, 1); - } - } else { - if (tv_param_forcechan >= 0) { - audio_in_set_channels(&priv->audio_in, tv_param_forcechan); - } else { - audio_in_set_channels(&priv->audio_in, 2); - } - } + audio_in_set_samplerate(&priv->audio_in, 44100); + if (priv->capability.capabilities & V4L2_CAP_TUNER) { + if (priv->tuner.audmode == V4L2_TUNER_MODE_STEREO) { + audio_in_set_channels(&priv->audio_in, 2); + } else { + audio_in_set_channels(&priv->audio_in, 1); + } + } else { + if (tv_param_forcechan >= 0) { + audio_in_set_channels(&priv->audio_in, tv_param_forcechan); + } else { + audio_in_set_channels(&priv->audio_in, 2); + } + } - if (audio_in_setup(&priv->audio_in) < 0) return; + if (audio_in_setup(&priv->audio_in) < 0) return; - priv->audio_inited = 1; + priv->audio_inited = 1; } } @@ -389,8 +389,8 @@ static void init_audio(priv_t *priv) */ 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; + return (time1.tv_sec - time0.tv_sec) * 1000 + + (time1.tv_usec - time0.tv_usec) / 1000; } #endif @@ -403,8 +403,8 @@ static int getfmt(priv_t *priv) 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)); + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get format failed: %s\n", + info.short_name, strerror(errno)); } return i; } @@ -419,25 +419,25 @@ static int getstd(priv_t *priv) 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; + 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; - } + 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 * - * * - * * + * * + * * + * Interface to mplayer * + * * + * * \***********************************************************************/ static int set_mute(priv_t *priv, int value) @@ -446,9 +446,9 @@ static int set_mute(priv_t *priv, int value) 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; + mp_msg(MSGT_TV,MSGL_ERR,"%s: ioctl set mute failed: %s\n", + info.short_name, strerror(errno)); + return 0; } return 1; } @@ -458,38 +458,38 @@ static int set_mute(priv_t *priv, int value) ** 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; + 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; + 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; - } + 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 (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_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); @@ -502,39 +502,39 @@ static int set_control(priv_t *priv, struct v4l2_control *control, int val_signe ** 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; + 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; + 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_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); - } + 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; - } + 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; @@ -547,267 +547,267 @@ static int control(priv_t *priv, int cmd, void *arg) switch(cmd) { case TVI_CONTROL_IS_VIDEO: - return priv->capability.capabilities & V4L2_CAP_VIDEO_CAPTURE? - TVI_CONTROL_TRUE: TVI_CONTROL_FALSE; + return priv->capability.capabilities & V4L2_CAP_VIDEO_CAPTURE? + TVI_CONTROL_TRUE: TVI_CONTROL_FALSE; case TVI_CONTROL_IS_AUDIO: - if (tv_param_force_audio) return TVI_CONTROL_TRUE; + if (tv_param_force_audio) return TVI_CONTROL_TRUE; case TVI_CONTROL_IS_TUNER: - return priv->capability.capabilities & V4L2_CAP_TUNER? - TVI_CONTROL_TRUE: TVI_CONTROL_FALSE; + 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; + priv->immediate_mode = 1; + return TVI_CONTROL_TRUE; case TVI_CONTROL_VID_GET_FPS: - *(float *)arg = (float)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; + *(float *)arg = (float)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; + 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; - *(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; + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + *(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; - } - /* according to the v4l2 specs VIDIOC_S_FMT should not fail, inflexible drivers - might even always return the default parameters -> update the format here*/ - priv->mp_format = fcc_vl2mp(priv->format.fmt.pix.pixelformat); - return TVI_CONTROL_TRUE; + 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; + } + /* according to the v4l2 specs VIDIOC_S_FMT should not fail, inflexible drivers + might even always return the default parameters -> update the format here*/ + priv->mp_format = fcc_vl2mp(priv->format.fmt.pix.pixelformat); + 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; + 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; + 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; + 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; + 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; + 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; - priv->format.fmt.pix.field = V4L2_FIELD_ANY; - 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); + if (getfmt(priv) < 0) return TVI_CONTROL_FALSE; + priv->format.fmt.pix.height = *(int *)arg; + priv->format.fmt.pix.field = V4L2_FIELD_ANY; + 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; + 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 - set_mute(priv, 1); - usleep(100000); // wait to suppress noise during switching + set_mute(priv, 1); + usleep(100000); // wait to suppress 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; - } + 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 - usleep(100000); // wait to suppress noise during switching - set_mute(priv, 0); + usleep(100000); // wait to suppress noise during switching + set_mute(priv, 0); #endif - return TVI_CONTROL_TRUE; + return TVI_CONTROL_TRUE; case TVI_CONTROL_TUN_GET_TUNER: - mp_msg(MSGT_TV, MSGL_V, "%s: get tuner\n",info.short_name); - 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; + mp_msg(MSGT_TV, MSGL_V, "%s: get tuner\n",info.short_name); + 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",info.short_name); - 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; + mp_msg(MSGT_TV, MSGL_V, "%s: set tuner\n",info.short_name); + 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; + *(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; + 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_NORMID: - { - int i; - 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)) - return TVI_CONTROL_FALSE; - if (!strcasecmp(standard.name, (char *)arg)) { - *(int *)arg = i; - return TVI_CONTROL_TRUE; - } - } - return TVI_CONTROL_FALSE; - } + { + int i; + 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)) + return TVI_CONTROL_FALSE; + if (!strcasecmp(standard.name, (char *)arg)) { + *(int *)arg = i; + return TVI_CONTROL_TRUE; + } + } + return TVI_CONTROL_FALSE; + } 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; + 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; + 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: - init_audio(priv); - if (!priv->audio_inited) return TVI_CONTROL_FALSE; - *(int *)arg = AF_FORMAT_S16_LE; - mp_msg(MSGT_TV, MSGL_V, "%s: get audio format: %d\n", - info.short_name, *(int *)arg); - return TVI_CONTROL_TRUE; + init_audio(priv); + if (!priv->audio_inited) return TVI_CONTROL_FALSE; + *(int *)arg = AF_FORMAT_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: - init_audio(priv); - if (!priv->audio_inited) return TVI_CONTROL_FALSE; - *(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; + init_audio(priv); + if (!priv->audio_inited) return TVI_CONTROL_FALSE; + *(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: - init_audio(priv); - if (!priv->audio_inited) return TVI_CONTROL_FALSE; - *(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; + init_audio(priv); + if (!priv->audio_inited) return TVI_CONTROL_FALSE; + *(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: - init_audio(priv); - if (!priv->audio_inited) return TVI_CONTROL_FALSE; - *(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; + init_audio(priv); + if (!priv->audio_inited) return TVI_CONTROL_FALSE; + *(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: - init_audio(priv); - 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*)arg) < 0) return TVI_CONTROL_FALSE; -// setup_audio_buffer_sizes(priv); - return TVI_CONTROL_TRUE; + init_audio(priv); + 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*)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); @@ -824,23 +824,23 @@ static tvi_handle_t *tvi_init_v4l2(char *video_dev, char *audio_dev) /* new_handle initializes priv with memset 0 */ tvi_handle = new_handle(); if (!tvi_handle) { - return NULL; + return NULL; } PRIV->video_fd = -1; PRIV->video_dev = strdup(video_dev? video_dev: "/dev/video0"); if (!PRIV->video_dev) { - free_handle(tvi_handle); - return NULL; + 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; - } + PRIV->audio_dev = strdup(audio_dev); + if (!PRIV->audio_dev) { + free(PRIV->video_dev); + free_handle(tvi_handle); + return NULL; + } } return tvi_handle; @@ -855,81 +855,81 @@ static int uninit(priv_t *priv) priv->shutdown = 1; if(priv->video_grabber_thread) - pthread_join(priv->video_grabber_thread, NULL); + pthread_join(priv->video_grabber_thread, NULL); pthread_mutex_destroy(&priv->video_buffer_mutex); if (priv->streamon) { - struct v4l2_buffer buf; + struct v4l2_buffer buf; - /* get performance */ - frames = 1 + (priv->curr_frame - priv->first_frame + - priv->standard.frameperiod.numerator * 500000 / - priv->standard.frameperiod.denominator) * - priv->standard.frameperiod.denominator / - priv->standard.frameperiod.numerator / 1000000; - dropped = frames - priv->frames; + /* get performance */ + frames = 1 + (priv->curr_frame - priv->first_frame + + priv->standard.frameperiod.numerator * 500000 / + priv->standard.frameperiod.denominator) * + 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; + /* 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; - buf.memory = V4L2_MEMORY_MMAP; - while (!ioctl(priv->video_fd, VIDIOC_DQBUF, &buf)); + /* unqueue all remaining buffers */ + memset(&buf,0,sizeof(buf)); + buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + buf.memory = V4L2_MEMORY_MMAP; + 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)); - } + 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 && priv->audio_grabber_thread) { - pthread_join(priv->audio_grabber_thread, NULL); - pthread_mutex_destroy(&priv->skew_mutex); - pthread_mutex_destroy(&priv->audio_mutex); + pthread_join(priv->audio_grabber_thread, NULL); + pthread_mutex_destroy(&priv->skew_mutex); + pthread_mutex_destroy(&priv->audio_mutex); } set_mute(priv, 1); /* free memory and close device */ - free(priv->map); priv->map = NULL; + free(priv->map); priv->map = NULL; priv->mapcount = 0; - if(priv->video_fd!=-1)close(priv->video_fd); priv->video_fd = -1; - free(priv->video_dev); priv->video_dev = NULL; + if(priv->video_fd!=-1)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); + 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); + 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); - if (priv->audio_skew_delta_buffer) - free(priv->audio_skew_delta_buffer); + if (priv->audio_ringbuffer) + free(priv->audio_ringbuffer); + if (priv->audio_skew_buffer) + free(priv->audio_skew_buffer); + if (priv->audio_skew_delta_buffer) + free(priv->audio_skew_delta_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); + "%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); + info.short_name, priv->video_buffer_size_current); return 1; } @@ -948,35 +948,35 @@ static int init(priv_t *priv) /* 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_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); + 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; + 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; + mp_msg(MSGT_TV, MSGL_ERR, "Device %s is not a video capture device.\n", + priv->video_dev); + return 0; } if (getfmt(priv) < 0) { - uninit(priv); - return 0; + uninit(priv); + return 0; } getstd(priv); /* @@ -984,137 +984,137 @@ static int init(priv_t *priv) ** 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; - } + 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, " 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": ""); + 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; - mp_msg(MSGT_TV, MSGL_INFO, " %d = %s;", i, standard.name); + struct v4l2_standard standard; + memset(&standard, 0, sizeof(standard)); + standard.index = i; + if (-1 == ioctl(priv->video_fd, VIDIOC_ENUMSTD, &standard)) + break; + mp_msg(MSGT_TV, MSGL_INFO, " %d = %s;", i, standard.name); } mp_msg(MSGT_TV, MSGL_INFO, "\n inputs:"); for (i = 0; 1; i++) { - struct v4l2_input input; + 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); + 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_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; + 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))); + 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)); + 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; + 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; - } - } - mp_msg(MSGT_TV, MSGL_INFO, "%s: current audio mode is :%s%s%s%s\n", info.short_name, - (priv->tuner.audmode == V4L2_TUNER_MODE_MONO) ? " MONO" : "", - (priv->tuner.audmode == V4L2_TUNER_MODE_STEREO) ? " STEREO" : "", - (priv->tuner.audmode == V4L2_TUNER_MODE_LANG1) ? " LANG1" : "", - (priv->tuner.audmode == V4L2_TUNER_MODE_LANG2) ? " LANG2" : ""); + 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; + } + } + mp_msg(MSGT_TV, MSGL_INFO, "%s: current audio mode is :%s%s%s%s\n", info.short_name, + (priv->tuner.audmode == V4L2_TUNER_MODE_MONO) ? " MONO" : "", + (priv->tuner.audmode == V4L2_TUNER_MODE_STEREO) ? " STEREO" : "", + (priv->tuner.audmode == V4L2_TUNER_MODE_LANG1) ? " LANG1" : "", + (priv->tuner.audmode == V4L2_TUNER_MODE_LANG2) ? " LANG2" : ""); - if (tv_param_volume >= 0) { - control.id = V4L2_CID_AUDIO_VOLUME; - control.value = tv_param_volume; - set_control(priv, &control, 0); - } - if (tv_param_bass >= 0) { - control.id = V4L2_CID_AUDIO_BASS; - control.value = tv_param_bass; - set_control(priv, &control, 0); - } - if (tv_param_treble >= 0) { - control.id = V4L2_CID_AUDIO_TREBLE; - control.value = tv_param_treble; - set_control(priv, &control, 0); - } - if (tv_param_balance >= 0) { - control.id = V4L2_CID_AUDIO_BALANCE; - control.value = tv_param_balance; - set_control(priv, &control, 0); - } + if (tv_param_volume >= 0) { + control.id = V4L2_CID_AUDIO_VOLUME; + control.value = tv_param_volume; + set_control(priv, &control, 0); + } + if (tv_param_bass >= 0) { + control.id = V4L2_CID_AUDIO_BASS; + control.value = tv_param_bass; + set_control(priv, &control, 0); + } + if (tv_param_treble >= 0) { + control.id = V4L2_CID_AUDIO_TREBLE; + control.value = tv_param_treble; + set_control(priv, &control, 0); + } + if (tv_param_balance >= 0) { + control.id = V4L2_CID_AUDIO_BALANCE; + control.value = tv_param_balance; + set_control(priv, &control, 0); + } } return 1; @@ -1129,19 +1129,19 @@ static int get_capture_buffer_size(priv_t *priv) int bytesperline = w*d/8; if (tv_param_buffer_size >= 0) { - bufsize = tv_param_buffer_size*1024*1024; + bufsize = tv_param_buffer_size*1024*1024; } else { #ifdef HAVE_SYS_SYSINFO_H - struct sysinfo si; - - sysinfo(&si); - if (si.totalram<2*1024*1024) { - bufsize = 1024*1024; - } else { - bufsize = si.totalram/2; - } + struct sysinfo si; + + sysinfo(&si); + if (si.totalram<2*1024*1024) { + bufsize = 1024*1024; + } else { + bufsize = si.totalram/2; + } #else - bufsize = 16*1024*1024; + bufsize = 16*1024*1024; #endif } @@ -1164,81 +1164,81 @@ static int start(priv_t *priv) /* we need this to size the audio buffer properly */ if (priv->immediate_mode) { - priv->video_buffer_size_max = 2; + priv->video_buffer_size_max = 2; } else { - priv->video_buffer_size_max = get_capture_buffer_size(priv); + priv->video_buffer_size_max = get_capture_buffer_size(priv); } if (!tv_param_noaudio) { - setup_audio_buffer_sizes(priv); - priv->audio_skew_buffer = calloc(priv->aud_skew_cnt, sizeof(long long)); - if (!priv->audio_skew_buffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate skew buffer: %s\n", strerror(errno)); - return 0; - } - priv->audio_skew_delta_buffer = calloc(priv->aud_skew_cnt, sizeof(long long)); - if (!priv->audio_skew_delta_buffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate skew buffer: %s\n", strerror(errno)); - return 0; - } + setup_audio_buffer_sizes(priv); + priv->audio_skew_buffer = calloc(priv->aud_skew_cnt, sizeof(long long)); + if (!priv->audio_skew_buffer) { + mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate skew buffer: %s\n", strerror(errno)); + return 0; + } + priv->audio_skew_delta_buffer = calloc(priv->aud_skew_cnt, sizeof(long long)); + if (!priv->audio_skew_delta_buffer) { + mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate skew buffer: %s\n", strerror(errno)); + return 0; + } - priv->audio_ringbuffer = calloc(priv->audio_in.blocksize, priv->audio_buffer_size); - if (!priv->audio_ringbuffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate audio buffer: %s\n", strerror(errno)); - return 0; - } + priv->audio_ringbuffer = calloc(priv->audio_in.blocksize, priv->audio_buffer_size); + if (!priv->audio_ringbuffer) { + mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate audio buffer: %s\n", strerror(errno)); + return 0; + } - priv->audio_secs_per_block = (double)priv->audio_in.blocksize/(priv->audio_in.samplerate - *priv->audio_in.channels - *priv->audio_in.bytes_per_sample); - priv->audio_usecs_per_block = 1e6*priv->audio_secs_per_block; - priv->audio_head = 0; - priv->audio_tail = 0; - priv->audio_cnt = 0; - priv->audio_drop = 0; - priv->audio_skew = 0; - priv->audio_skew_total = 0; - priv->audio_skew_delta_total = 0; - priv->audio_recv_blocks_total = 0; - priv->audio_sent_blocks_total = 0; - priv->audio_null_blocks_inserted = 0; - priv->audio_insert_null_samples = 0; - priv->dropped_frames_timeshift = 0; - priv->dropped_frames_compensated = 0; + priv->audio_secs_per_block = (double)priv->audio_in.blocksize/(priv->audio_in.samplerate + *priv->audio_in.channels + *priv->audio_in.bytes_per_sample); + priv->audio_usecs_per_block = 1e6*priv->audio_secs_per_block; + priv->audio_head = 0; + priv->audio_tail = 0; + priv->audio_cnt = 0; + priv->audio_drop = 0; + priv->audio_skew = 0; + priv->audio_skew_total = 0; + priv->audio_skew_delta_total = 0; + priv->audio_recv_blocks_total = 0; + priv->audio_sent_blocks_total = 0; + priv->audio_null_blocks_inserted = 0; + priv->audio_insert_null_samples = 0; + priv->dropped_frames_timeshift = 0; + priv->dropped_frames_compensated = 0; - pthread_mutex_init(&priv->skew_mutex, NULL); - pthread_mutex_init(&priv->audio_mutex, NULL); + pthread_mutex_init(&priv->skew_mutex, NULL); + pthread_mutex_init(&priv->audio_mutex, NULL); } /* setup video parameters */ if (!tv_param_noaudio) { - if (priv->video_buffer_size_max < (3*priv->standard.frameperiod.denominator) / - priv->standard.frameperiod.numerator - *priv->audio_secs_per_block) { - mp_msg(MSGT_TV, MSGL_ERR, "Video buffer shorter than 3 times audio frame duration.\n" - "You will probably experience heavy framedrops.\n"); - } + if (priv->video_buffer_size_max < (3*priv->standard.frameperiod.denominator) / + priv->standard.frameperiod.numerator + *priv->audio_secs_per_block) { + mp_msg(MSGT_TV, MSGL_ERR, "Video buffer shorter than 3 times audio frame duration.\n" + "You will probably experience heavy framedrops.\n"); + } } { - int bytesperline = priv->format.fmt.pix.width*pixfmt2depth(priv->format.fmt.pix.pixelformat)/8; - - mp_msg(MSGT_TV, MSGL_V, "Using a ring buffer for maximum %d frames, %d MB total size.\n", - priv->video_buffer_size_max, - priv->video_buffer_size_max*priv->format.fmt.pix.height*bytesperline/(1024*1024)); + int bytesperline = priv->format.fmt.pix.width*pixfmt2depth(priv->format.fmt.pix.pixelformat)/8; + + mp_msg(MSGT_TV, MSGL_V, "Using a ring buffer for maximum %d frames, %d MB total size.\n", + priv->video_buffer_size_max, + priv->video_buffer_size_max*priv->format.fmt.pix.height*bytesperline/(1024*1024)); } priv->video_ringbuffer = calloc(priv->video_buffer_size_max, sizeof(unsigned char*)); if (!priv->video_ringbuffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate video buffer: %s\n", strerror(errno)); - return 0; + mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate video buffer: %s\n", strerror(errno)); + return 0; } for (i = 0; i < priv->video_buffer_size_max; i++) - priv->video_ringbuffer[i] = NULL; + priv->video_ringbuffer[i] = NULL; priv->video_timebuffer = calloc(priv->video_buffer_size_max, sizeof(long long)); if (!priv->video_timebuffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate time buffer: %s\n", strerror(errno)); - return 0; + mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate time buffer: %s\n", strerror(errno)); + return 0; } pthread_mutex_init(&priv->video_buffer_mutex, NULL); @@ -1249,56 +1249,56 @@ static int start(priv_t *priv) /* request buffers */ if (priv->immediate_mode) { - request.count = 2; + request.count = 2; } else { - request.count = BUFFER_COUNT; + request.count = BUFFER_COUNT; } request.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; request.memory = V4L2_MEMORY_MMAP; if (ioctl(priv->video_fd, VIDIOC_REQBUFS, &request) < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl request buffers failed: %s\n", - info.short_name, strerror(errno)); - return 0; + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl request buffers failed: %s\n", + info.short_name, strerror(errno)); + return 0; } /* query buffers */ if (!(priv->map = calloc(request.count, sizeof(struct map)))) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: malloc capture buffers failed: %s\n", - info.short_name, strerror(errno)); - return 0; + mp_msg(MSGT_TV, MSGL_ERR, "%s: malloc capture buffers failed: %s\n", + info.short_name, strerror(errno)); + return 0; } /* map and queue buffers */ for (i = 0; i < request.count; i++) { - memset(&priv->map[i].buf,0,sizeof(priv->map[i].buf)); - priv->map[i].buf.index = i; - priv->map[i].buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - priv->map[i].buf.memory = V4L2_MEMORY_MMAP; - if (ioctl(priv->video_fd, VIDIOC_QUERYBUF, &(priv->map[i].buf)) < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl query buffer failed: %s\n", - info.short_name, strerror(errno)); - free(priv->map); - priv->map = NULL; - return 0; - } - priv->map[i].addr = mmap (0, priv->map[i].buf.length, PROT_READ | - PROT_WRITE, MAP_SHARED, priv->video_fd, priv->map[i].buf.m.offset); - if (priv->map[i].addr == MAP_FAILED) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: mmap capture buffer failed: %s\n", - info.short_name, strerror(errno)); - priv->map[i].len = 0; - return 0; - } - priv->map[i].len = priv->map[i].buf.length; - /* count up to make sure this is correct everytime */ - priv->mapcount++; + memset(&priv->map[i].buf,0,sizeof(priv->map[i].buf)); + priv->map[i].buf.index = i; + priv->map[i].buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + priv->map[i].buf.memory = V4L2_MEMORY_MMAP; + if (ioctl(priv->video_fd, VIDIOC_QUERYBUF, &(priv->map[i].buf)) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl query buffer failed: %s\n", + info.short_name, strerror(errno)); + free(priv->map); + priv->map = NULL; + return 0; + } + priv->map[i].addr = mmap (0, priv->map[i].buf.length, PROT_READ | + PROT_WRITE, MAP_SHARED, priv->video_fd, priv->map[i].buf.m.offset); + if (priv->map[i].addr == MAP_FAILED) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: mmap capture buffer failed: %s\n", + info.short_name, strerror(errno)); + priv->map[i].len = 0; + return 0; + } + priv->map[i].len = priv->map[i].buf.length; + /* count up to make sure this is correct everytime */ + priv->mapcount++; - if (ioctl(priv->video_fd, VIDIOC_QBUF, &(priv->map[i].buf)) < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl queue buffer failed: %s\n", - info.short_name, strerror(errno)); - return 0; - } + if (ioctl(priv->video_fd, VIDIOC_QBUF, &(priv->map[i].buf)) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl queue buffer failed: %s\n", + info.short_name, strerror(errno)); + return 0; + } } /* start audio thread */ @@ -1341,7 +1341,7 @@ static void *video_grabber(void *data) long long skew, prev_skew, xskew, interval, prev_interval, delta; int i; int framesize = priv->format.fmt.pix.height*priv->format.fmt.pix.width* - pixfmt2depth(priv->format.fmt.pix.pixelformat)/8; + pixfmt2depth(priv->format.fmt.pix.pixelformat)/8; fd_set rdset; struct timeval timeout; struct v4l2_buffer buf; @@ -1354,176 +1354,176 @@ static void *video_grabber(void *data) mp_msg(MSGT_TV, MSGL_V, "%s: going to capture\n", info.short_name); if (ioctl(priv->video_fd, VIDIOC_STREAMON, &(priv->format.type)) < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl streamon failed: %s\n", - info.short_name, strerror(errno)); - return 0; + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl streamon failed: %s\n", + info.short_name, strerror(errno)); + return 0; } priv->streamon = 1; if (!tv_param_noaudio) { - pthread_create(&priv->audio_grabber_thread, NULL, audio_grabber, priv); + pthread_create(&priv->audio_grabber_thread, NULL, audio_grabber, priv); } for (priv->frames = 0; !priv->shutdown;) { - int ret; - - if (priv->immediate_mode) { - while (priv->video_cnt == priv->video_buffer_size_max) { - usleep(10000); - if (priv->shutdown) { - return NULL; - } - } - } - - FD_ZERO (&rdset); - FD_SET (priv->video_fd, &rdset); + int ret; + + if (priv->immediate_mode) { + while (priv->video_cnt == priv->video_buffer_size_max) { + usleep(10000); + if (priv->shutdown) { + return NULL; + } + } + } + + FD_ZERO (&rdset); + FD_SET (priv->video_fd, &rdset); - timeout.tv_sec = 1; - timeout.tv_usec = 0; + timeout.tv_sec = 1; + timeout.tv_usec = 0; - i = select(priv->video_fd + 1, &rdset, NULL, NULL, &timeout); - if (i < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: select failed: %s\n", - info.short_name, strerror(errno)); - continue; - } - else if (i == 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: select timeout\n", info.short_name); - continue; - } - else if (!FD_ISSET(priv->video_fd, &rdset)) { - continue; - } + i = select(priv->video_fd + 1, &rdset, NULL, NULL, &timeout); + if (i < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: select failed: %s\n", + info.short_name, strerror(errno)); + continue; + } + else if (i == 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: select timeout\n", info.short_name); + continue; + } + else if (!FD_ISSET(priv->video_fd, &rdset)) { + continue; + } - memset(&buf,0,sizeof(buf)); - buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - buf.memory = V4L2_MEMORY_MMAP; - ret = ioctl(priv->video_fd, VIDIOC_DQBUF, &buf); + memset(&buf,0,sizeof(buf)); + buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + buf.memory = V4L2_MEMORY_MMAP; + ret = ioctl(priv->video_fd, VIDIOC_DQBUF, &buf); - if (ret < 0) { - /* - if there's no signal, the buffer might me dequeued - so we query all the buffers to see which one we should - put back to queue + if (ret < 0) { + /* + if there's no signal, the buffer might me dequeued + so we query all the buffers to see which one we should + put back to queue - observed with saa7134 0.2.8 - don't know if is it a bug or (mis)feature - */ - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl dequeue buffer failed: %s, idx = %d\n", - info.short_name, strerror(errno), buf.index); - for (i = 0; i < priv->mapcount; i++) { - memset(&buf,0,sizeof(buf)); - buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - buf.memory = V4L2_MEMORY_MMAP; - buf.index = i; - ret = ioctl(priv->video_fd, VIDIOC_QUERYBUF, &buf); - if (ret < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl query buffer failed: %s, idx = %d\n", - info.short_name, strerror(errno), buf.index); - return 0; - } - if ((buf.flags & (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_DONE)) == V4L2_BUF_FLAG_MAPPED) { - if (ioctl(priv->video_fd, VIDIOC_QBUF, &(priv->map[i].buf)) < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl queue buffer failed: %s\n", - info.short_name, strerror(errno)); - return 0; - } - } - } - continue; - } + observed with saa7134 0.2.8 + don't know if is it a bug or (mis)feature + */ + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl dequeue buffer failed: %s, idx = %d\n", + info.short_name, strerror(errno), buf.index); + for (i = 0; i < priv->mapcount; i++) { + memset(&buf,0,sizeof(buf)); + buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + buf.memory = V4L2_MEMORY_MMAP; + buf.index = i; + ret = ioctl(priv->video_fd, VIDIOC_QUERYBUF, &buf); + if (ret < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl query buffer failed: %s, idx = %d\n", + info.short_name, strerror(errno), buf.index); + return 0; + } + if ((buf.flags & (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_DONE)) == V4L2_BUF_FLAG_MAPPED) { + if (ioctl(priv->video_fd, VIDIOC_QBUF, &(priv->map[i].buf)) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl queue buffer failed: %s\n", + info.short_name, strerror(errno)); + return 0; + } + } + } + continue; + } - /* store the timestamp of the very first frame as reference */ - if (!priv->frames++) { - if (!tv_param_noaudio) pthread_mutex_lock(&priv->skew_mutex); - priv->first_frame = (long long)1e6*buf.timestamp.tv_sec + buf.timestamp.tv_usec; - if (!tv_param_noaudio) pthread_mutex_unlock(&priv->skew_mutex); - } - priv->curr_frame = (long long)buf.timestamp.tv_sec*1e6+buf.timestamp.tv_usec; -// fprintf(stderr, "idx = %d, ts = %lf\n", buf.index, (double)(priv->curr_frame) / 1e6); + /* store the timestamp of the very first frame as reference */ + if (!priv->frames++) { + if (!tv_param_noaudio) pthread_mutex_lock(&priv->skew_mutex); + priv->first_frame = (long long)1e6*buf.timestamp.tv_sec + buf.timestamp.tv_usec; + if (!tv_param_noaudio) pthread_mutex_unlock(&priv->skew_mutex); + } + priv->curr_frame = (long long)buf.timestamp.tv_sec*1e6+buf.timestamp.tv_usec; +// fprintf(stderr, "idx = %d, ts = %lf\n", buf.index, (double)(priv->curr_frame) / 1e6); - interval = priv->curr_frame - priv->first_frame; - delta = interval - prev_interval; + interval = priv->curr_frame - priv->first_frame; + delta = interval - prev_interval; - if (!priv->immediate_mode) { - // interpolate the skew in time - if (!tv_param_noaudio) pthread_mutex_lock(&priv->skew_mutex); - xskew = priv->audio_skew + (interval - priv->audio_skew_measure_time)*priv->audio_skew_factor; - if (!tv_param_noaudio) pthread_mutex_unlock(&priv->skew_mutex); - // correct extreme skew changes to avoid (especially) moving backwards in time - if (xskew - prev_skew > delta*MAX_SKEW_DELTA) { - skew = prev_skew + delta*MAX_SKEW_DELTA; - } else if (xskew - prev_skew < -delta*MAX_SKEW_DELTA) { - skew = prev_skew - delta*MAX_SKEW_DELTA; - } else { - skew = xskew; - } - } + if (!priv->immediate_mode) { + // interpolate the skew in time + if (!tv_param_noaudio) pthread_mutex_lock(&priv->skew_mutex); + xskew = priv->audio_skew + (interval - priv->audio_skew_measure_time)*priv->audio_skew_factor; + if (!tv_param_noaudio) pthread_mutex_unlock(&priv->skew_mutex); + // correct extreme skew changes to avoid (especially) moving backwards in time + if (xskew - prev_skew > delta*MAX_SKEW_DELTA) { + skew = prev_skew + delta*MAX_SKEW_DELTA; + } else if (xskew - prev_skew < -delta*MAX_SKEW_DELTA) { + skew = prev_skew - delta*MAX_SKEW_DELTA; + } else { + skew = xskew; + } + } - mp_msg(MSGT_TV, MSGL_DBG3, "\nfps = %lf, interval = %lf, a_skew = %f, corr_skew = %f\n", - delta ? (double)1e6/delta : -1, - (double)1e-6*interval, (double)1e-6*xskew, (double)1e-6*skew); - mp_msg(MSGT_TV, MSGL_DBG3, "vcnt = %d, acnt = %d\n", priv->video_cnt, priv->audio_cnt); + mp_msg(MSGT_TV, MSGL_DBG3, "\nfps = %lf, interval = %lf, a_skew = %f, corr_skew = %f\n", + delta ? (double)1e6/delta : -1, + (double)1e-6*interval, (double)1e-6*xskew, (double)1e-6*skew); + mp_msg(MSGT_TV, MSGL_DBG3, "vcnt = %d, acnt = %d\n", priv->video_cnt, priv->audio_cnt); - prev_skew = skew; - prev_interval = interval; + prev_skew = skew; + prev_interval = interval; - /* allocate a new buffer, if needed */ - pthread_mutex_lock(&priv->video_buffer_mutex); - if (priv->video_buffer_size_current < priv->video_buffer_size_max) { - if (priv->video_cnt == priv->video_buffer_size_current) { - unsigned char *newbuf = malloc(framesize); - if (newbuf) { - memmove(priv->video_ringbuffer+priv->video_tail+1, priv->video_ringbuffer+priv->video_tail, - (priv->video_buffer_size_current-priv->video_tail)*sizeof(unsigned char *)); - memmove(priv->video_timebuffer+priv->video_tail+1, priv->video_timebuffer+priv->video_tail, - (priv->video_buffer_size_current-priv->video_tail)*sizeof(long long)); - priv->video_ringbuffer[priv->video_tail] = newbuf; - if ((priv->video_head >= priv->video_tail) && (priv->video_cnt > 0)) priv->video_head++; - priv->video_buffer_size_current++; - } - } - } - pthread_mutex_unlock(&priv->video_buffer_mutex); + /* allocate a new buffer, if needed */ + pthread_mutex_lock(&priv->video_buffer_mutex); + if (priv->video_buffer_size_current < priv->video_buffer_size_max) { + if (priv->video_cnt == priv->video_buffer_size_current) { + unsigned char *newbuf = malloc(framesize); + if (newbuf) { + memmove(priv->video_ringbuffer+priv->video_tail+1, priv->video_ringbuffer+priv->video_tail, + (priv->video_buffer_size_current-priv->video_tail)*sizeof(unsigned char *)); + memmove(priv->video_timebuffer+priv->video_tail+1, priv->video_timebuffer+priv->video_tail, + (priv->video_buffer_size_current-priv->video_tail)*sizeof(long long)); + priv->video_ringbuffer[priv->video_tail] = newbuf; + if ((priv->video_head >= priv->video_tail) && (priv->video_cnt > 0)) priv->video_head++; + priv->video_buffer_size_current++; + } + } + } + pthread_mutex_unlock(&priv->video_buffer_mutex); - if (priv->video_cnt == priv->video_buffer_size_current) { - if (!priv->immediate_mode) { - mp_msg(MSGT_TV, MSGL_ERR, "\nvideo buffer full - dropping frame\n"); - if (priv->audio_insert_null_samples) { - pthread_mutex_lock(&priv->audio_mutex); - priv->dropped_frames_timeshift += delta; - pthread_mutex_unlock(&priv->audio_mutex); - } - } - } else { - if (priv->immediate_mode) { - priv->video_timebuffer[priv->video_tail] = 0; - } else { - // compensate for audio skew - // negative skew => there are more audio samples, increase interval - // positive skew => less samples, shorten the interval - priv->video_timebuffer[priv->video_tail] = interval - skew; - if (priv->audio_insert_null_samples && priv->video_timebuffer[priv->video_tail] > 0) { - pthread_mutex_lock(&priv->audio_mutex); - priv->video_timebuffer[priv->video_tail] += - (priv->audio_null_blocks_inserted - - priv->dropped_frames_timeshift/priv->audio_usecs_per_block) - *priv->audio_usecs_per_block; - pthread_mutex_unlock(&priv->audio_mutex); - } - } + if (priv->video_cnt == priv->video_buffer_size_current) { + if (!priv->immediate_mode) { + mp_msg(MSGT_TV, MSGL_ERR, "\nvideo buffer full - dropping frame\n"); + if (priv->audio_insert_null_samples) { + pthread_mutex_lock(&priv->audio_mutex); + priv->dropped_frames_timeshift += delta; + pthread_mutex_unlock(&priv->audio_mutex); + } + } + } else { + if (priv->immediate_mode) { + priv->video_timebuffer[priv->video_tail] = 0; + } else { + // compensate for audio skew + // negative skew => there are more audio samples, increase interval + // positive skew => less samples, shorten the interval + priv->video_timebuffer[priv->video_tail] = interval - skew; + if (priv->audio_insert_null_samples && priv->video_timebuffer[priv->video_tail] > 0) { + pthread_mutex_lock(&priv->audio_mutex); + priv->video_timebuffer[priv->video_tail] += + (priv->audio_null_blocks_inserted + - priv->dropped_frames_timeshift/priv->audio_usecs_per_block) + *priv->audio_usecs_per_block; + pthread_mutex_unlock(&priv->audio_mutex); + } + } - copy_frame(priv, priv->video_ringbuffer[priv->video_tail], priv->map[buf.index].addr); - priv->video_tail = (priv->video_tail+1)%priv->video_buffer_size_current; - priv->video_cnt++; - } - if (ioctl(priv->video_fd, VIDIOC_QBUF, &buf) < 0) { - mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl queue buffer failed: %s\n", - info.short_name, strerror(errno)); - return 0; - } + copy_frame(priv, priv->video_ringbuffer[priv->video_tail], priv->map[buf.index].addr); + priv->video_tail = (priv->video_tail+1)%priv->video_buffer_size_current; + priv->video_cnt++; + } + if (ioctl(priv->video_fd, VIDIOC_QBUF, &buf) < 0) { + mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl queue buffer failed: %s\n", + info.short_name, strerror(errno)); + return 0; + } } return NULL; } @@ -1535,13 +1535,13 @@ static double grab_video_frame(priv_t *priv, char *buffer, int len) int loop_cnt = 0; if (priv->first) { - pthread_create(&priv->video_grabber_thread, NULL, video_grabber, priv); - priv->first = 0; + pthread_create(&priv->video_grabber_thread, NULL, video_grabber, priv); + priv->first = 0; } while (priv->video_cnt == 0) { - usleep(10000); - if (loop_cnt++ > MAX_LOOP) return 0; + usleep(10000); + if (loop_cnt++ > MAX_LOOP) return 0; } pthread_mutex_lock(&priv->video_buffer_mutex); @@ -1575,8 +1575,8 @@ static void read_doublespeed(priv_t *priv) s = bufx; d = priv->audio_ringbuffer+priv->audio_tail*priv->audio_in.blocksize; for (i = 0; i < priv->audio_in.blocksize/2; i++) { - *d++ = *s++; - *s++; + *d++ = *s++; + *s++; } } @@ -1594,102 +1594,102 @@ static void *audio_grabber(void *data) start_time_avg = priv->audio_start_time = (long long)1e6*tv.tv_sec + tv.tv_usec; audio_in_start_capture(&priv->audio_in); for (i = 0; i < priv->aud_skew_cnt; i++) - priv->audio_skew_buffer[i] = 0; + priv->audio_skew_buffer[i] = 0; for (i = 0; i < priv->aud_skew_cnt; i++) - priv->audio_skew_delta_buffer[i] = 0; + priv->audio_skew_delta_buffer[i] = 0; for (; !priv->shutdown;) { #ifdef DOUBLESPEED - read_doublespeed(priv); + read_doublespeed(priv); #else - if (audio_in_read_chunk(&priv->audio_in, priv->audio_ringbuffer+priv->audio_tail*priv->audio_in.blocksize) < 0) - continue; + if (audio_in_read_chunk(&priv->audio_in, priv->audio_ringbuffer+priv->audio_tail*priv->audio_in.blocksize) < 0) + continue; #endif - pthread_mutex_lock(&priv->skew_mutex); - if (priv->first_frame == 0) { - // there is no first frame yet (unlikely to happen) - gettimeofday(&tv, NULL); - start_time_avg = priv->audio_start_time = (long long)1e6*tv.tv_sec + tv.tv_usec; -// fprintf(stderr, "warning - first frame not yet available!\n"); - pthread_mutex_unlock(&priv->skew_mutex); - continue; - } - pthread_mutex_unlock(&priv->skew_mutex); + pthread_mutex_lock(&priv->skew_mutex); + if (priv->first_frame == 0) { + // there is no first frame yet (unlikely to happen) + gettimeofday(&tv, NULL); + start_time_avg = priv->audio_start_time = (long long)1e6*tv.tv_sec + tv.tv_usec; +// fprintf(stderr, "warning - first frame not yet available!\n"); + pthread_mutex_unlock(&priv->skew_mutex); + continue; + } + pthread_mutex_unlock(&priv->skew_mutex); - gettimeofday(&tv, NULL); + gettimeofday(&tv, NULL); - priv->audio_recv_blocks_total++; - current_time = (long long)1e6*tv.tv_sec + tv.tv_usec - priv->audio_start_time; + priv->audio_recv_blocks_total++; + current_time = (long long)1e6*tv.tv_sec + tv.tv_usec - priv->audio_start_time; - if (priv->audio_recv_blocks_total < priv->aud_skew_cnt*2) { - start_time_avg += (long long)1e6*tv.tv_sec + tv.tv_usec - priv->audio_usecs_per_block*priv->audio_recv_blocks_total; - priv->audio_start_time = start_time_avg/(priv->audio_recv_blocks_total+1); - } + if (priv->audio_recv_blocks_total < priv->aud_skew_cnt*2) { + start_time_avg += (long long)1e6*tv.tv_sec + tv.tv_usec - priv->audio_usecs_per_block*priv->audio_recv_blocks_total; + priv->audio_start_time = start_time_avg/(priv->audio_recv_blocks_total+1); + } -// fprintf(stderr, "spb = %lf, bs = %d, skew = %lf\n", priv->audio_secs_per_block, priv->audio_in.blocksize, -// (double)(current_time - 1e6*priv->audio_secs_per_block*priv->audio_recv_blocks_total)/1e6); +// fprintf(stderr, "spb = %lf, bs = %d, skew = %lf\n", priv->audio_secs_per_block, priv->audio_in.blocksize, +// (double)(current_time - 1e6*priv->audio_secs_per_block*priv->audio_recv_blocks_total)/1e6); - // put the current skew into the ring buffer - priv->audio_skew_total -= priv->audio_skew_buffer[audio_skew_ptr]; - priv->audio_skew_buffer[audio_skew_ptr] = current_time - - priv->audio_usecs_per_block*priv->audio_recv_blocks_total; - priv->audio_skew_total += priv->audio_skew_buffer[audio_skew_ptr]; + // put the current skew into the ring buffer + priv->audio_skew_total -= priv->audio_skew_buffer[audio_skew_ptr]; + priv->audio_skew_buffer[audio_skew_ptr] = current_time + - priv->audio_usecs_per_block*priv->audio_recv_blocks_total; + priv->audio_skew_total += priv->audio_skew_buffer[audio_skew_ptr]; - pthread_mutex_lock(&priv->skew_mutex); + pthread_mutex_lock(&priv->skew_mutex); - // skew calculation + // skew calculation - // compute the sliding average of the skews - if (priv->audio_recv_blocks_total > priv->aud_skew_cnt) { - priv->audio_skew = priv->audio_skew_total/priv->aud_skew_cnt; - } else { - priv->audio_skew = priv->audio_skew_total/priv->audio_recv_blocks_total; - } + // compute the sliding average of the skews + if (priv->audio_recv_blocks_total > priv->aud_skew_cnt) { + priv->audio_skew = priv->audio_skew_total/priv->aud_skew_cnt; + } else { + priv->audio_skew = priv->audio_skew_total/priv->audio_recv_blocks_total; + } - // put the current skew change (skew-prev_skew) into the ring buffer - priv->audio_skew_delta_total -= priv->audio_skew_delta_buffer[audio_skew_ptr]; - priv->audio_skew_delta_buffer[audio_skew_ptr] = priv->audio_skew - prev_skew_uncorr; - priv->audio_skew_delta_total += priv->audio_skew_delta_buffer[audio_skew_ptr]; - prev_skew_uncorr = priv->audio_skew; // remember the _uncorrected_ average value + // put the current skew change (skew-prev_skew) into the ring buffer + priv->audio_skew_delta_total -= priv->audio_skew_delta_buffer[audio_skew_ptr]; + priv->audio_skew_delta_buffer[audio_skew_ptr] = priv->audio_skew - prev_skew_uncorr; + priv->audio_skew_delta_total += priv->audio_skew_delta_buffer[audio_skew_ptr]; + prev_skew_uncorr = priv->audio_skew; // remember the _uncorrected_ average value - audio_skew_ptr = (audio_skew_ptr+1) % priv->aud_skew_cnt; // rotate the buffer pointer + audio_skew_ptr = (audio_skew_ptr+1) % priv->aud_skew_cnt; // rotate the buffer pointer - // sliding average approximates the value in the middle of the interval - // so interpolate the skew value further to the current time - priv->audio_skew += priv->audio_skew_delta_total/2; + // sliding average approximates the value in the middle of the interval + // so interpolate the skew value further to the current time + priv->audio_skew += priv->audio_skew_delta_total/2; - // now finally, priv->audio_skew contains fairly good approximation - // of the current value + // now finally, priv->audio_skew contains fairly good approximation + // of the current value - // current skew factor (assuming linearity) - // used for further interpolation in video_grabber - // probably overkill but seems to be necessary for - // stress testing by dropping half of the audio frames ;) - // especially when using ALSA with large block sizes - // where audio_skew remains a long while behind - if ((priv->audio_skew_measure_time != 0) && (current_time - priv->audio_skew_measure_time != 0)) { - priv->audio_skew_factor = (double)(priv->audio_skew-prev_skew)/(current_time - priv->audio_skew_measure_time); - } else { - priv->audio_skew_factor = 0.0; - } + // current skew factor (assuming linearity) + // used for further interpolation in video_grabber + // probably overkill but seems to be necessary for + // stress testing by dropping half of the audio frames ;) + // especially when using ALSA with large block sizes + // where audio_skew remains a long while behind + if ((priv->audio_skew_measure_time != 0) && (current_time - priv->audio_skew_measure_time != 0)) { + priv->audio_skew_factor = (double)(priv->audio_skew-prev_skew)/(current_time - priv->audio_skew_measure_time); + } else { + priv->audio_skew_factor = 0.0; + } - priv->audio_skew_measure_time = current_time; - prev_skew = priv->audio_skew; - priv->audio_skew += priv->audio_start_time - priv->first_frame; - pthread_mutex_unlock(&priv->skew_mutex); - -// fprintf(stderr, "audio_skew = %lf, delta = %lf\n", (double)priv->audio_skew/1e6, (double)priv->audio_skew_delta_total/1e6); + priv->audio_skew_measure_time = current_time; + prev_skew = priv->audio_skew; + priv->audio_skew += priv->audio_start_time - priv->first_frame; + pthread_mutex_unlock(&priv->skew_mutex); + +// fprintf(stderr, "audio_skew = %lf, delta = %lf\n", (double)priv->audio_skew/1e6, (double)priv->audio_skew_delta_total/1e6); - pthread_mutex_lock(&priv->audio_mutex); - if ((priv->audio_tail+1) % priv->audio_buffer_size == priv->audio_head) { - mp_msg(MSGT_TV, MSGL_ERR, "\ntoo bad - dropping audio frame !\n"); - priv->audio_drop++; - } else { - priv->audio_tail = (priv->audio_tail+1) % priv->audio_buffer_size; - priv->audio_cnt++; - } - pthread_mutex_unlock(&priv->audio_mutex); + pthread_mutex_lock(&priv->audio_mutex); + if ((priv->audio_tail+1) % priv->audio_buffer_size == priv->audio_head) { + mp_msg(MSGT_TV, MSGL_ERR, "\ntoo bad - dropping audio frame !\n"); + priv->audio_drop++; + } else { + priv->audio_tail = (priv->audio_tail+1) % priv->audio_buffer_size; + priv->audio_cnt++; + } + pthread_mutex_unlock(&priv->audio_mutex); } return NULL; } @@ -1697,7 +1697,7 @@ static void *audio_grabber(void *data) static double grab_audio_frame(priv_t *priv, char *buffer, int len) { mp_dbg(MSGT_TV, MSGL_DBG2, "grab_audio_frame(priv=%p, buffer=%p, len=%d)\n", - priv, buffer, len); + priv, buffer, len); // hack: if grab_audio_frame is called first, it means we are used by mplayer // => switch to the mode which outputs audio immediately, even if @@ -1706,35 +1706,35 @@ static double grab_audio_frame(priv_t *priv, char *buffer, int len) pthread_mutex_lock(&priv->audio_mutex); while (priv->audio_insert_null_samples - && priv->dropped_frames_timeshift - priv->dropped_frames_compensated >= priv->audio_usecs_per_block) { - // some frames were dropped - drop the corresponding number of audio blocks - if (priv->audio_drop) { - priv->audio_drop--; - } else { - if (priv->audio_head == priv->audio_tail) break; - priv->audio_head = (priv->audio_head+1) % priv->audio_buffer_size; - } - priv->dropped_frames_compensated += priv->audio_usecs_per_block; + && priv->dropped_frames_timeshift - priv->dropped_frames_compensated >= priv->audio_usecs_per_block) { + // some frames were dropped - drop the corresponding number of audio blocks + if (priv->audio_drop) { + priv->audio_drop--; + } else { + if (priv->audio_head == priv->audio_tail) break; + priv->audio_head = (priv->audio_head+1) % priv->audio_buffer_size; + } + priv->dropped_frames_compensated += priv->audio_usecs_per_block; } // compensate for dropped audio frames if (priv->audio_drop && (priv->audio_head == priv->audio_tail)) { - priv->audio_drop--; - memset(buffer, 0, len); - goto out; + priv->audio_drop--; + memset(buffer, 0, len); + goto out; } if (priv->audio_insert_null_samples && (priv->audio_head == priv->audio_tail)) { - // return silence to avoid desync and stuttering - memset(buffer, 0, len); - priv->audio_null_blocks_inserted++; - goto out; + // return silence to avoid desync and stuttering + memset(buffer, 0, len); + priv->audio_null_blocks_inserted++; + goto out; } pthread_mutex_unlock(&priv->audio_mutex); while (priv->audio_head == priv->audio_tail) { - // this is mencoder => just wait until some audio is available - usleep(10000); + // this is mencoder => just wait until some audio is available + usleep(10000); } pthread_mutex_lock(&priv->audio_mutex); memcpy(buffer, priv->audio_ringbuffer+priv->audio_head*priv->audio_in.blocksize, len);