mirror of
https://github.com/mpv-player/mpv
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79cef0fa51
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4215 b3059339-0415-0410-9bf9-f77b7e298cf2
643 lines
17 KiB
C
643 lines
17 KiB
C
/*
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* vo_zr.c - playback on zoran cards
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* Copyright (C) Rik Snel 2001,2002, License GNU GPL v2
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <linux/types.h>
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#include <linux/videodev.h>
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#include "zoran.h"
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#include "config.h"
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#define ZR_USES_LIBJPEG
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#include "video_out.h"
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#include "video_out_internal.h"
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#include "../mp_msg.h"
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#include "../cfgparser.h"
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LIBVO_EXTERN (zr)
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static vo_info_t vo_info =
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{
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"Zoran ZR360[56]7/ZR36060 Driver (DC10(+)/buz/lml33/MatroxRR)",
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"zr",
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"Rik Snel <snel@phys.uu.nl>",
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""
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};
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/* General variables */
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static int image_width;
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static int image_height;
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static int off_y, off_c, stride; /* for use by 'draw slice' */
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static int framenum;
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static int fields = 1; /* currently no interlacing */
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static int forceinter = 0;
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static int vdec = 1;
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static int size;
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static int quality = 70;
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typedef struct {
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int width;
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int height;
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int xoff;
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int yoff;
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int set;
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} geo;
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geo g = {0, 0, 0, 0, 0};
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static uint8_t *image=NULL;
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static uint8_t *buf=NULL;
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/* Variables needed for Zoran */
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int vdes; /* the file descriptor of the video device */
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int frame = 0, synco = 0, queue = 0; /* buffer management */
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struct zoran_params zp;
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struct zoran_requestbuffers zrq;
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struct zoran_sync zs;
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struct video_capability vc;
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#define MJPEG_NBUFFERS 2
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#define MJPEG_SIZE 1024*256
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//should be command line options
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int norm = VIDEO_MODE_AUTO;
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char *device = "/dev/video";
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#ifdef ZR_USES_LIBJPEG
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#include<jpeglib.h>
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int ccount;
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unsigned char *ccbuf;
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struct jpeg_compress_struct cinfo;
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struct jpeg_destination_mgr jdest;
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struct jpeg_error_mgr jerr;
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/* minimal destination handler to output to buffer */
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METHODDEF(void) init_destination(struct jpeg_compress_struct *cinfo) {
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// printf("init_destination called %p %d\n", ccbuf, ccount);
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cinfo->dest->next_output_byte = (JOCTET*)(ccbuf+ccount);
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cinfo->dest->free_in_buffer = MJPEG_SIZE - ccount;
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}
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METHODDEF(boolean) empty_output_buffer(struct jpeg_compress_struct *cinfo) {
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// printf("empty_output_buffer called\n");
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mp_msg(MSGT_VO, MSGL_ERR, "empty_output_buffer called, may not happen because buffer must me large enough\n");
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return(FALSE);
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}
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METHODDEF(void) term_destination(struct jpeg_compress_struct *cinfo) {
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// printf("term_destination called %p %d\n", ccbuf, ccount);
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ccount = MJPEG_SIZE - cinfo->dest->free_in_buffer;
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}
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/* end of minimal destination handler */
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JSAMPARRAY ***jsi;
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#else
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#include "../libavcodec/avcodec.h"
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AVCodec *codec;
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AVCodecContext codec_context;
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AVPicture picture;
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#endif
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static int jpegdct = JDCT_IFAST;
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int init_codec() {
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#ifdef ZR_USES_LIBJPEG
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int i, j, k;
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cinfo.err = jpeg_std_error(&jerr);
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jpeg_create_compress(&cinfo);
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cinfo.dest = &jdest;
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cinfo.dest->init_destination = init_destination;
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cinfo.dest->empty_output_buffer = empty_output_buffer;
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cinfo.dest->term_destination = term_destination;
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cinfo.input_components = 3;
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jpeg_set_defaults(&cinfo);
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cinfo.image_width = image_width;
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cinfo.image_height = image_height/fields;
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cinfo.input_gamma = 1.0;
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cinfo.in_color_space = JCS_YCbCr;
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cinfo.raw_data_in = TRUE;
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cinfo.comp_info[0].h_samp_factor = 2;
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cinfo.comp_info[0].v_samp_factor = 1;
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cinfo.comp_info[1].h_samp_factor = 1;
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cinfo.comp_info[1].v_samp_factor = 1;
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cinfo.comp_info[2].h_samp_factor = 1;
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cinfo.comp_info[2].v_samp_factor = 1;
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cinfo.dct_method = jpegdct;
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jpeg_set_quality(&cinfo, quality, FALSE);
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jsi = malloc(sizeof(JSAMPARRAY**)*fields);
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/* Just some clutter to give libjpeg the pointers,
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* and I don't want to recalculate everything everytime
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* it is needed */
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for (k = 0; k < fields; k++) {
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jsi[k] = malloc(sizeof(JSAMPARRAY*)*image_height/(8*fields));
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for (i = 0; i < image_height/(8*fields); i++) {
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jsi[k][i] = malloc(3*sizeof(JSAMPARRAY));
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jsi[k][i][0] = malloc(8*sizeof(JSAMPROW));
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jsi[k][i][1] = malloc(8*sizeof(JSAMPROW));
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jsi[k][i][2] = malloc(8*sizeof(JSAMPROW));
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for (j = 0; j < 8; j++) {
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jsi[k][i][0][j] = (JSAMPROW)(image +
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(fields*(8*i + j) + k)*image_width);
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jsi[k][i][1][j] = (JSAMPROW)(image + size +
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(fields*(8*i + j)/2)*image_width/2);
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jsi[k][i][2][j] = (JSAMPROW)(image + 3*size/2 +
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(fields*(8*i + j)/2)*image_width/2);
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}
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}
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}
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#else
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AVCodecContext *c = &codec_context;
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codec = avcodec_find_encoder(CODEC_ID_MJPEG);
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if (!codec) {
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/* maybe libavcodec was not initialized */
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avcodec_init();
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avcodec_register_all();
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codec = avcodec_find_encoder(CODEC_ID_MJPEG);
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if (!codec) {
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mp_msg(MSGT_VO, MSGL_ERR, "MJPG codec not found in libavcodec\n");
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return 1;
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}
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}
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/* put default values */
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memset(c, 0, sizeof(*c));
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c->width = image_width;
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c->height = image_height;
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c->bit_rate = 4000000;
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c->frame_rate = 25*FRAME_RATE_BASE;
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//c->gop_size = 1;
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c->pix_fmt = PIX_FMT_YUV422P;
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if (avcodec_open(c, codec) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "MJPG codec could not be opened\n");
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return 1;
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}
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picture.data[0] = image;
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picture.data[1] = image + size;
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picture.data[2] = image + 3*size/2;
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picture.linesize[0] = image_width;
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picture.linesize[1] = image_width/2;
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picture.linesize[2] = image_width/2;
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#endif
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return 0;
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}
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int zoran_getcap() {
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vdes = open(device, O_RDWR);
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/* before we can ask for the maximum resolution, we must set
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* the correct tv norm */
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if (ioctl(vdes, BUZIOC_G_PARAMS, &zp) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "device at %s is probably not a DC10(+)/buz/lml33\n", device);
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return 1;
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}
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if (zp.norm != norm && norm != VIDEO_MODE_AUTO) {
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/* attempt to set requested norm */
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zp.norm = norm;
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if (ioctl(vdes, BUZIOC_S_PARAMS, &zp) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR,
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"unable to change video norm, use another program to change it (XawTV)\n");
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return 1;
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}
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ioctl(vdes, BUZIOC_G_PARAMS, &zp);
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if (norm != zp.norm) {
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mp_msg(MSGT_VO, MSGL_ERR,
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"unable to change video norm, use another program to change it (XawTV)\n");
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return 1;
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}
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}
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if (vdes < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "error opening %s\n",
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device);
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return 1;
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}
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if (ioctl(vdes, VIDIOCGCAP, &vc) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "error getting video capabilities from %s\n");
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return 1;
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}
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mp_msg(MSGT_VO, MSGL_V, "zr36067 reports: maxwidth=%d, maxheight=%d\n", vc.maxwidth, vc.maxheight);
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return 0;
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}
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int init_zoran() {
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/* center the image, and stretch it as far as possible (try to keep
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* aspect) and check if it fits */
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if (image_width > vc.maxwidth) {
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mp_msg(MSGT_VO, MSGL_ERR, "movie to be played is too wide, max width currenty %d\n", vc.maxwidth);
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return 1;
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}
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if (image_height > vc.maxheight) {
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mp_msg(MSGT_VO, MSGL_ERR, "movie to be played is too high, max height currenty %d\n", vc.maxheight);
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return 1;
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}
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zp.decimation = 0;
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zp.HorDcm = (vc.maxwidth >= 2*(int)image_width) ? 2 : 1;
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zp.VerDcm = 1;
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if (zp.HorDcm == 2 && 4*image_width <= vc.maxwidth &&
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4*image_height/fields <= vc.maxheight) {
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zp.HorDcm = 4;
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zp.VerDcm = 2;
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}
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if (((forceinter == 0 && vdec >= 2) || (forceinter == 1 && vdec == 4)) && 4*image_height/fields <= vc.maxheight) {
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zp.VerDcm = 2;
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}
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zp.TmpDcm = 1;
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zp.field_per_buff = fields;
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zp.img_x = (vc.maxwidth - zp.HorDcm*(int)image_width)/2;
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zp.img_y = (vc.maxheight - zp.VerDcm*(3-fields)*(int)image_height)/4;
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zp.img_width = zp.HorDcm*image_width;
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zp.img_height = zp.VerDcm*image_height/fields;
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mp_msg(MSGT_VO, MSGL_V, "zr: geometry (after 'scaling'): %dx%d+%d+%d fields=%d, w=%d, h=%d\n", zp.img_width, zp.img_height, zp.img_x, zp.img_y, fields, image_width, image_height);
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if (ioctl(vdes, BUZIOC_S_PARAMS, &zp) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "error setting display parameters\n");
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return 1;
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}
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zrq.count = MJPEG_NBUFFERS;
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zrq.size = MJPEG_SIZE;
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if (ioctl(vdes, BUZIOC_REQBUFS, &zrq)) {
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mp_msg(MSGT_VO, MSGL_ERR, "error requesting %d buffers of size %d\n", zrq.count, zrq.size);
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return 1;
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}
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buf = (char*)mmap(0, zrq.count*zrq.size, PROT_READ|PROT_WRITE,
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MAP_SHARED, vdes, 0);
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if (buf == MAP_FAILED) {
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mp_msg(MSGT_VO, MSGL_ERR, "error requesting %d buffers of size %d\n", zrq.count, zrq.size);
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return 1;
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}
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return 0;
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}
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void uninit_zoran(void) {
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if (image) {
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free(image);
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image=NULL;
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}
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while (queue > synco + 1) {
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if (ioctl(vdes, BUZIOC_SYNC, &zs) < 0)
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mp_msg(MSGT_VO, MSGL_ERR, "error waiting for buffers to become free");
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synco++;
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}
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/* stop streaming */
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frame = -1;
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if (ioctl(vdes, BUZIOC_QBUF_PLAY, &frame) < 0)
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mp_msg(MSGT_VO, MSGL_ERR, "error stopping playback of last frame");
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close(vdes);
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}
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static uint32_t init(uint32_t width, uint32_t height, uint32_t d_width,
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uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
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{
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int j;
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/* this allows to crop parts from incoming picture,
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* for easy 512x240 -> 352x240 */
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/* These values must be multples of 2 */
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if (g.set) {
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if (g.width%2 != 0 || g.height%2 != 0 ||
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g.xoff%2 != 0 || g.yoff%2 != 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "arguments in -zrcrop must be multiples of 2\n");
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return 1;
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}
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if (g.width <= 0 || g.height <= 0 ||
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g.xoff < 0 || g.yoff < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "width and height must be positive and offset nonnegative\n");
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return 1;
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}
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if (g.width + g.xoff > width) {
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mp_msg(MSGT_VO, MSGL_ERR, "width+xoffset (%d+%d>%d) is too big\n", g.width, g.xoff, width);
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return 1;
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}
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if (g.height + g.yoff > height) {
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mp_msg(MSGT_VO, MSGL_ERR, "height+yoffset (%d+%d>%d) is too big\n", g.height, g.yoff, height);
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return 1;
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}
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} else {
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g.width = width;
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g.height = height;
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g.xoff = 0;
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g.yoff = 0;
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}
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/* we must know the maximum resolution of the device
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* it differs for DC10+ and buz for example */
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zoran_getcap(); /*must be called before init_zoran */
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if (g.height/vdec > vc.maxheight/2 || (forceinter == 1 && vdec == 1))
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fields = 2;
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printf("fields=%d\n", fields);
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/* the height must be a multiple of fields*8 and the width
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* must be a multiple of 16 */
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/* add some black borders to make it so, and center the image*/
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image_height = fields*8*((g.height/vdec - 1)/(fields*8) + 1);
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image_width = 16*((g.width - 1)/16 + 1);
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off_y = (image_height - g.height/vdec)/2;
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if (off_y%2 != 0) off_y++;
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off_y *= image_width;
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off_c = off_y/4;
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off_y += (image_width - g.width)/2;
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if (off_y%2 != 0) off_y--;
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off_c += (image_width - g.width)/4;
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framenum = 0;
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size = image_width*image_height;
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mp_msg(MSGT_VO, MSGL_V, "input: %dx%d, cropped: %dx%d, output: %dx%d, off_y=%d, off_c=%d\n", width, height, g.width, g.height, image_width, image_height, off_y, off_c);
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image = malloc(2*size); /* this buffer allows for YUV422 data,
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* so it is a bit too big for YUV420 */
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if (!image) {
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mp_msg(MSGT_VO, MSGL_ERR, "Memory exhausted\n");
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return 1;
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}
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/* and make sure that the borders are _really_ black */
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memset(image, 0, image_width*image_height);
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memset(image + size, 0x80, image_width*image_height/4);
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memset(image + 3*size/2, 0x80, image_width*image_height/4);
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if (init_codec()) {
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return 1;
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}
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if (init_zoran()) {
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#ifdef ZR_USES_LIBJPEG
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jpeg_destroy_compress(&cinfo);
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#else
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avcodec_close(&codec_context);
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#endif
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return 1;
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}
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return 0;
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}
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static const vo_info_t* get_info(void) {
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return &vo_info;
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}
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static void draw_osd(void) {
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}
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static void flip_page (void) {
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#ifdef ZR_USES_LIBJPEG
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int i, j, k;
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#else
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AVCodecContext *c = &codec_context;
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#endif
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/* do we have a free buffer? */
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if (queue-synco < zrq.count) {
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frame = queue;
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} else {
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if (ioctl(vdes, BUZIOC_SYNC, &zs) < 0)
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mp_msg(MSGT_VO, MSGL_ERR, "error waiting for buffers to become free");
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frame = zs.frame;
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synco++;
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}
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#ifdef ZR_USES_LIBJPEG
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ccbuf = buf + frame*zrq.size;
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ccount = 0;
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k = fields;
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for (j=0; j < k; j++) {
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jpeg_start_compress(&cinfo, TRUE);
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i=0;
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while (cinfo.next_scanline < cinfo.image_height) {
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jpeg_write_raw_data(&cinfo, jsi[j][i], 8);
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i++;
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}
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jpeg_finish_compress(&cinfo);
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}
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#else
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avcodec_encode_video(c, buf + frame*zrq.size, MJPEG_SIZE, &picture);
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#endif
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if (ioctl(vdes, BUZIOC_QBUF_PLAY, &frame) < 0)
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mp_msg(MSGT_VO, MSGL_ERR,
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"error queueing buffer for playback");
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queue++;
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framenum++;
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return;
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}
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static uint32_t draw_frame(uint8_t * src[]) {
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return 0;
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}
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static uint32_t query_format(uint32_t format) {
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if(format==IMGFMT_YV12) return 1;
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return 0;
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}
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static void uninit(void) {
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uninit_zoran();
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#ifdef ZR_USES_LIBJPEG
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jpeg_destroy_compress(&cinfo);
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#else
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avcodec_close(&codec_context);
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#endif
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}
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static void check_events(void) {
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}
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static uint32_t draw_slice(uint8_t *srcimg[], int stride[],
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int w, int h, int x, int y) {
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int i;
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/* Apply 'geometry', crop unwanted parts */
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uint8_t *dst;
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uint8_t *src;
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//printf("before: w=%d, h=%d, x=%d, y=%d, src0=%p, src1=%p, src2=%p\n", w, h, x, y, srcimg[0], srcimg[1], srcimg[2]);
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if (x < g.xoff) {
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srcimg[0] += g.xoff - x;
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srcimg[1] += (g.xoff - x)/2;
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srcimg[2] += (g.xoff - x)/2;
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w -= g.xoff - x;
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if (w < 0) return 0;
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x = 0 /*g.xoff*/;
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} else {
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x -= g.xoff;
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}
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if (x + w > g.width) {
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w = g.width - x;
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if (w < 0) return 0;
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}
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if (y < g.yoff) {
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srcimg[0] += (g.yoff - y)*stride[0];
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srcimg[1] += ((g.yoff - y)/2)*stride[1];
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srcimg[2] += ((g.yoff - y)/2)*stride[2];
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h -= g.yoff - y;
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if (h < 0) return 0;
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y = 0;
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} else {
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y -= g.yoff;
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}
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if (y + h > g.height) {
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h = g.height - y;
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if (h < 0) return 0;
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}
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//printf("after: w=%d, h=%d, x=%d, y=%d, src0=%p, src1=%p, src2=%p\n", w, h, x, y, srcimg[0], srcimg[1], srcimg[2]);
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dst=image + off_y + image_width*(y/vdec)+x;
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src=srcimg[0];
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// copy Y:
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for (i = 0; i < h; i++) {
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if ((i + x)%vdec == 0) {
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memcpy(dst,src,w);
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dst+=image_width;
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}
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src+=stride[0];
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}
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{
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// copy U+V:
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uint8_t *src1=srcimg[1];
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uint8_t *src2=srcimg[2];
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uint8_t *dst1=image + size + off_c+ (y/(vdec*2))*image_width/2+(x/2);
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uint8_t *dst2=image + 3*size/2 + off_c +
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(y/(vdec*2))*image_width/2+(x/2);
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for (i = 0; i< h/2; i++) {
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if ((i+x/2)%vdec == 0) {
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memcpy(dst1,src1,w/2);
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memcpy(dst2,src2,w/2);
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dst1+=image_width/2;
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dst2+=image_width/2;
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}
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src1+=stride[1];
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src2+=stride[2];
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}
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}
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return 0;
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}
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/* copied and adapted from vo_aa_parseoption */
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int
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vo_zr_parseoption(struct config * conf, char *opt, char *param){
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/* got an option starting with zr */
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char *x, *help;
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int i;
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/* do WE need it ?, always */
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if (!strcasecmp(opt, "zrdev")) {
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if (param == NULL) return ERR_MISSING_PARAM;
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//if ((i=getcolor(param))==-1) return ERR_OUT_OF_RANGE;
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//aaopt_osdcolor=i;
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device = malloc(strlen(param)+1);
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strcpy(device, param);
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mp_msg(MSGT_VO, MSGL_V, "zr: using device %s\n", device);
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return 1;
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} else if (!strcasecmp(opt, "zrfi")) {
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if (param != NULL) {
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return ERR_OUT_OF_RANGE;
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}
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forceinter = 1;
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return 1;
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} else if (!strcasecmp(opt, "zrcrop")){
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if (param == NULL) return ERR_MISSING_PARAM;
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if (sscanf(param, "%dx%d+%d+%d", &g.width, &g.height,
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&g.xoff, &g.yoff) != 4) {
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g.xoff = 0; g.yoff = 0;
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if (sscanf(param, "%dx%d", &g.width, &g.height) != 2) {
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mp_msg(MSGT_VO, MSGL_ERR, "argument to -zrcrop must be of the form 352x288+16+0\n");
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return ERR_OUT_OF_RANGE;
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}
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}
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g.set = 1;
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mp_msg(MSGT_VO, MSGL_V, "zr: cropping %s\n", param);
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return 1;
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}else if (!strcasecmp(opt, "zrvdec")) {
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i = atoi(param);
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if (i != 1 && i != 2 && i != 4) return ERR_OUT_OF_RANGE;
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vdec = i;
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return 1;
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}else if (!strcasecmp(opt, "zrquality")) {
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i = atoi(param);
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if (i < 30 || i > 100) return ERR_OUT_OF_RANGE;
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quality = i;
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return 1;
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}else if (!strcasecmp(opt, "zrdct")) {
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if (param == NULL) return ERR_MISSING_PARAM;
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if (!strcasecmp(param, "IFAST")) {
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jpegdct = JDCT_IFAST;
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return 1;
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} else if (!strcasecmp(param, "ISLOW")) {
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jpegdct = JDCT_ISLOW;
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return 1;
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} else if (!strcasecmp(param, "FLOAT")) {
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jpegdct = JDCT_FLOAT;
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return 1;
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} else {
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return ERR_OUT_OF_RANGE;
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}
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}else if (!strcasecmp(opt, "zrnorm")) {
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if (param == NULL) return ERR_MISSING_PARAM;
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if (!strcasecmp(param, "NTSC")) {
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mp_msg(MSGT_VO, MSGL_V, "zr: Norm set to NTSC\n");
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norm = VIDEO_MODE_NTSC;
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return 1;
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} else if (!strcasecmp(param, "PAL")) {
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mp_msg(MSGT_VO, MSGL_V, "zr: Norm set to PAL\n");
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norm = VIDEO_MODE_PAL;
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return 1;
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} else {
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return ERR_OUT_OF_RANGE;
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}
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}else if (!strcasecmp(opt, "zrhelp")){
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printf("Help for -vo zr: Zoran ZR360[56]7/ZR36060 based MJPEG capture/playback cards\n");
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printf("\n");
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printf("Here are the zr options:\n");
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printf(
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"\n"
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" -zrcrop specify part of the input image that\n"
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" you want to see as an x-style geometry string\n"
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" example: -zrcrop 352x288+16+0\n"
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" -zrvdec vertical decimation 1, 2 or 4\n"
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" -zrfi force interlacing ('wide screen')\n"
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" (by default we only interlace if the movie\n"
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" is higher than half of the screen height)\n"
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" -zrquality jpeg compression quality 30-100\n"
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" -zrdct specify DCT method: IFAST, ISLOW or FLOAT\n"
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" -zrdev playback device (example -zrdev /dev/video1\n"
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" -zrnorm specify norm PAL/NTSC [dev: leave at current setting]\n"
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"\n"
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);
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exit(0);
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}
|
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return ERR_NOT_AN_OPTION;
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}
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