From 8b3e340df99ee06c1d903f5fca3f5cbd65e91676 Mon Sep 17 00:00:00 2001 From: ben Date: Wed, 19 Jul 2006 22:02:09 +0000 Subject: new vo driver for ivtv cards tv-out through internal h/w mpeg decoder git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19142 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libvo/video_out.c | 6 ++ libvo/vo_ivtv.c | 299 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 305 insertions(+) create mode 100644 libvo/vo_ivtv.c (limited to 'libvo') diff --git a/libvo/video_out.c b/libvo/video_out.c index b10614a7b6..738a092b01 100644 --- a/libvo/video_out.c +++ b/libvo/video_out.c @@ -99,6 +99,9 @@ extern vo_functions_t video_out_directx; extern vo_functions_t video_out_dxr2; #endif extern vo_functions_t video_out_dxr3; +#ifdef HAVE_IVTV +extern vo_functions_t video_out_ivtv; +#endif #ifdef HAVE_JPEG extern vo_functions_t video_out_jpeg; #endif @@ -210,6 +213,9 @@ vo_functions_t* video_out_drivers[] = #ifdef HAVE_DXR3 &video_out_dxr3, #endif +#ifdef HAVE_IVTV + &video_out_ivtv, +#endif #ifdef HAVE_ZR &video_out_zr, &video_out_zr2, diff --git a/libvo/vo_ivtv.c b/libvo/vo_ivtv.c new file mode 100644 index 0000000000..152f836537 --- /dev/null +++ b/libvo/vo_ivtv.c @@ -0,0 +1,299 @@ +/* + * Copyright (C) 2006 Benjamin Zores + * Video output for WinTV PVR-150/250/350 (a.k.a IVTV) cards. + * TV-Out through hardware MPEG decoder. + * Based on some old code from ivtv driver authors. + * See http://ivtvdriver.org/index.php/Main_Page for more details on the + * cards supported by the ivtv driver. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "mp_msg.h" +#include "subopt-helper.h" +#include "video_out.h" +#include "video_out_internal.h" +#include "libmpcodecs/mpeg_packetizer.h" + +#define DEFAULT_MPEG_DECODER "/dev/video16" +#define IVTV_VO_HDR "VO: [ivtv]" + +/* ivtv private */ +int ivtv_fd = -1; +static vo_mpegpes_t *pes; + +/* suboptions */ +static int output = -1; +static char *device = NULL; + +static opt_t subopts[] = { + {"output", OPT_ARG_INT, &output, (opt_test_f)int_non_neg}, + {"device", OPT_ARG_MSTRZ, &device, NULL}, + {NULL} +}; + +static vo_info_t info = +{ + "IVTV MPEG Video Decoder TV-Out", + "ivtv", + "Benjamin Zores", + "" +}; +LIBVO_EXTERN (ivtv) + +/* ivtv internals */ + +static uint32_t +ivtv_reset (int blank_screen) +{ + struct ivtv_cfg_stop_decode sd; + struct ivtv_cfg_start_decode sd1; + + sd.hide_last = blank_screen; + sd.pts_stop = 0; + + if (ioctl (ivtv_fd, IVTV_IOC_S_STOP_DECODE, &sd) < 0) + { + mp_msg (MSGT_VO, MSGL_ERR, + "IVTV_IOC_STOP_DECODE: %s\n", strerror (errno)); + return 1; + } + + sd1.gop_offset = 0; + sd1.muted_audio_frames = 0; + + if (ioctl (ivtv_fd, IVTV_IOC_S_START_DECODE, &sd1) < 0) + { + mp_msg (MSGT_VO, MSGL_ERR, + "IVTV_IOC_START_DECODE: %s\n", strerror (errno)); + return 1; + } + + return 0; +} + +int +ivtv_write (unsigned char *data, int len) +{ + if (ivtv_fd < 0) + return 0; + + return write (ivtv_fd, data, len); +} + +/* video out functions */ + +static int +config (uint32_t width, uint32_t height, + uint32_t d_width, uint32_t d_height, + uint32_t fullscreen, char *title, uint32_t format) +{ + return 0; +} + +static int +preinit (const char *arg) +{ + struct v4l2_output vout; + int err; + + if (subopt_parse (arg, subopts) != 0) + { + mp_msg (MSGT_VO, MSGL_FATAL, + "\n-vo ivtv command line help:\n" + "Example: mplayer -vo ivtv:device=/dev/video16:output=2\n" + "\nOptions:\n" + " device=/dev/videoX\n" + " Name of the MPEG decoder device file.\n" + " output=<0-...>\n" + " V4L2 id of the TV output.\n" + "\n" ); + return -1; + } + + if (!device) + device = strdup (DEFAULT_MPEG_DECODER); + + ivtv_fd = open (device, O_RDWR); + if (ivtv_fd < 0) + { + free (device); + mp_msg (MSGT_VO, MSGL_FATAL, "%s %s\n", IVTV_VO_HDR, strerror (errno)); + return -1; + } + + /* list available outputs */ + vout.index = 0; + err = 1; + mp_msg (MSGT_VO, MSGL_INFO, "%s Available video outputs: ", IVTV_VO_HDR); + while (ioctl (ivtv_fd, VIDIOC_ENUMOUTPUT, &vout) >= 0) + { + err = 0; + mp_msg (MSGT_VO, MSGL_INFO, "'#%d, %s' ", vout.index, vout.name); + vout.index++; + } + if (err) + { + mp_msg (MSGT_VO, MSGL_INFO, "none\n"); + free (device); + return -1; + } + else + mp_msg (MSGT_VO, MSGL_INFO, "\n"); + + /* set user specified output */ + if (output != -1) + { + if (ioctl (ivtv_fd, VIDIOC_S_OUTPUT, &output) < 0) + { + mp_msg (MSGT_VO, MSGL_ERR, + "%s can't set output (%s)\n", IVTV_VO_HDR, strerror (errno)); + free (device); + return -1; + } + } + + /* display device name */ + mp_msg (MSGT_VO, MSGL_INFO, "%s using %s\n", IVTV_VO_HDR, device); + free (device); + + /* display current video output */ + if (ioctl (ivtv_fd, VIDIOC_G_OUTPUT, &output) == 0) + { + vout.index = output; + if (ioctl (ivtv_fd, VIDIOC_ENUMOUTPUT, &vout) < 0) + { + mp_msg (MSGT_VO, MSGL_ERR, + "%s can't get output (%s).\n", IVTV_VO_HDR, strerror (errno)); + return -1; + } + else + mp_msg (MSGT_VO, MSGL_INFO, + "%s video output: %s\n", IVTV_VO_HDR, vout.name); + } + else + { + mp_msg (MSGT_VO, MSGL_ERR, + "%s can't get output (%s).\n", IVTV_VO_HDR, strerror (errno)); + return -1; + } + + /* clear output */ + ivtv_reset (1); + + return 0; +} + +static void +draw_osd (void) +{ + /* do nothing */ +} + +static int +draw_frame (uint8_t * src[]) +{ + pes = (vo_mpegpes_t *) src[0]; + return 0; +} + +static void +flip_page (void) +{ + if (ivtv_fd < 0) + return; + + if (!pes) + return; + + send_mpeg2_pes_packet (pes->data, pes->size, pes->id, + pes->timestamp ? pes->timestamp : vo_pts, + ivtv_write); + + /* ensure flip_page() won't be called twice */ + pes = NULL; +} + +static int +draw_slice (uint8_t *image[], int stride[], int w, int h, int x, int y) +{ + return 0; +} + +static void +uninit (void) +{ + if (ivtv_fd < 0) + return; + + /* clear output */ + ivtv_reset (1); + + /* close device */ + close (ivtv_fd); + ivtv_fd = -1; +} + +static void +check_events (void) +{ + /* do nothing */ +} + +static int +query_format (uint32_t format) +{ + if (format != IMGFMT_MPEGPES) + return 0; + + return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_TIMER; +} + +static int +control (uint32_t request, void *data, ...) +{ + switch (request) + { + case VOCTRL_PAUSE: + case VOCTRL_RESUME: + return ivtv_reset (0); + + case VOCTRL_RESET: + return ivtv_reset (1); + + case VOCTRL_QUERY_FORMAT: + return query_format (*((uint32_t*) data)); + } + + return VO_NOTIMPL; +} -- cgit v1.2.3