mirror of https://github.com/mpv-player/mpv
256 lines
7.1 KiB
C
256 lines
7.1 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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 "config.h"
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#include "mp_msg.h"
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#include "m_option.h"
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#include "codec-cfg.h"
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#include "stream/stream.h"
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#include "libmpdemux/demuxer.h"
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#include "libmpdemux/stheader.h"
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#include "stream/stream.h"
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#include "libmpdemux/muxer.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "ffmpeg_files/intreadwrite.h"
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#include <lzo/lzo1x.h>
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#include "native/rtjpegn.h"
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#define LZO_AL(size) (((size) + (sizeof(long) - 1)) / sizeof(long))
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#define LZO_OUT_LEN(in) ((in) + (in) / 64 + 16 + 3)
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//===========================================================================//
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struct vf_priv_s {
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int raw; // Do not use RTjpeg
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int lzo; // Use lzo
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unsigned int l,c,q; // Mjpeg param
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muxer_stream_t* mux;
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uint8_t* buffer;
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int buf_size;
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int tbl_wrote;
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lzo_byte *zbuffer;
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long __LZO_MMODEL *zmem;
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};
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#define mux_v (vf->priv->mux)
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struct vf_priv_s nuv_priv_dflt = {
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0, // raw
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1, // lzo
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1,1, // l,c
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255, // q
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NULL,
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NULL,
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0,0,
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NULL,NULL
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};
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m_option_t nuvopts_conf[]={
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{"raw", &nuv_priv_dflt.raw, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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{"rtjpeg", &nuv_priv_dflt.raw, CONF_TYPE_FLAG, 0, 1, 0, NULL},
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{"lzo", &nuv_priv_dflt.lzo, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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{"nolzo", &nuv_priv_dflt.lzo, CONF_TYPE_FLAG, 0, 1, 0, NULL},
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{"q", &nuv_priv_dflt.q, CONF_TYPE_INT, M_OPT_RANGE,3,255, NULL},
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{"l", &nuv_priv_dflt.l, CONF_TYPE_INT, M_OPT_RANGE,0,20, NULL},
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{"c", &nuv_priv_dflt.c, CONF_TYPE_INT, M_OPT_RANGE,0,20, NULL},
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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//===========================================================================//
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#define COMPDATASIZE (128*4)
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#define FRAMEHEADERSIZE 12
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static int config(struct vf_instance* vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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// We need a buffer wich can holda header and a whole YV12 picture
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// or a RTJpeg table
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vf->priv->buf_size = width*height*3/2+FRAMEHEADERSIZE;
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if(vf->priv->buf_size < COMPDATASIZE + FRAMEHEADERSIZE)
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vf->priv->buf_size = COMPDATASIZE + FRAMEHEADERSIZE;
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mux_v->bih->biWidth=width;
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mux_v->bih->biHeight=height;
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mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);
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mux_v->aspect = (float)d_width/d_height;
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vf->priv->buffer = realloc(vf->priv->buffer,vf->priv->buf_size);
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if (vf->priv->lzo)
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vf->priv->zbuffer = realloc(vf->priv->zbuffer, FRAMEHEADERSIZE + LZO_OUT_LEN(vf->priv->buf_size));
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vf->priv->tbl_wrote = 0;
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return 1;
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}
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static int control(struct vf_instance* vf, int request, void* data){
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return CONTROL_UNKNOWN;
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}
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static int query_format(struct vf_instance* vf, unsigned int fmt){
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if(fmt==IMGFMT_I420) return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
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return 0;
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}
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static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts){
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uint8_t *header = vf->priv->buffer;
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uint8_t* data = vf->priv->buffer + FRAMEHEADERSIZE;
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uint8_t* zdata = vf->priv->zbuffer + FRAMEHEADERSIZE;
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int len = 0, r;
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size_t zlen = 0;
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memset(header, 0, FRAMEHEADERSIZE); // Reset the header
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if(vf->priv->lzo)
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memset(vf->priv->zbuffer,0,FRAMEHEADERSIZE);
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// This has to be don here otherwise tv with sound doesn't work
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if(!vf->priv->tbl_wrote) {
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RTjpeg_init_compress((uint32_t *)data,mpi->width,mpi->height,vf->priv->q);
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RTjpeg_init_mcompress();
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header[0] = 'D'; // frametype: compressor data
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header[1] = 'R'; // comptype: compressor data for RTjpeg
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AV_WL32(header + 8, COMPDATASIZE); // packetlength
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mux_v->buffer=vf->priv->buffer;
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muxer_write_chunk(mux_v,FRAMEHEADERSIZE + COMPDATASIZE, 0x10, MP_NOPTS_VALUE, MP_NOPTS_VALUE);
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vf->priv->tbl_wrote = 1;
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memset(header, 0, FRAMEHEADERSIZE); // Reset the header
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}
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// Raw picture
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if(vf->priv->raw) {
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len = mpi->width*mpi->height*3/2;
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// Try lzo ???
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if(vf->priv->lzo) {
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r = lzo1x_1_compress(mpi->planes[0],len,
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zdata,&zlen,vf->priv->zmem);
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if(r != LZO_E_OK) {
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mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
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zlen = 0;
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}
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}
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if(zlen <= 0 || zlen > len) {
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memcpy(data,mpi->planes[0],len);
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header[1] = '0'; // comptype: uncompressed
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} else { // Use lzo only if it's littler
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header = vf->priv->zbuffer;
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header[1] = '3'; //comptype: lzo
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len = zlen;
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}
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} else { // RTjpeg compression
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len = RTjpeg_mcompressYUV420(data,mpi->planes[0],vf->priv->l,
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vf->priv->c);
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if(len <= 0) {
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mp_msg(MSGT_VFILTER,MSGL_ERR,"RTjpeg_mcompressYUV420 error (%d)\n",len);
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return 0;
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}
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if(vf->priv->lzo) {
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r = lzo1x_1_compress(data,len,zdata,&zlen,vf->priv->zmem);
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if(r != LZO_E_OK) {
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mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
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zlen = 0;
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}
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}
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if(zlen <= 0 || zlen > len)
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header[1] = '1'; // comptype: RTjpeg
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else {
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header = vf->priv->zbuffer;
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header[1] = '2'; // comptype: RTjpeg + LZO
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len = zlen;
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}
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}
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header[0] = 'V'; // frametype: video frame
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AV_WL32(header + 8, len); // packetlength
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mux_v->buffer = header;
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muxer_write_chunk(mux_v, len + FRAMEHEADERSIZE, 0x10, pts, pts);
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return 1;
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}
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static void uninit(struct vf_instance* vf) {
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if(vf->priv->buffer)
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free(vf->priv->buffer);
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if(vf->priv->zbuffer)
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free(vf->priv->zbuffer);
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if(vf->priv->zmem)
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free(vf->priv->zmem);
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}
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//===========================================================================//
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static int vf_open(vf_instance_t *vf, char* args){
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vf->config=config;
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vf->default_caps=VFCAP_CONSTANT;
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vf->control=control;
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vf->query_format=query_format;
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vf->put_image=put_image;
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vf->uninit = uninit;
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vf->priv=malloc(sizeof(struct vf_priv_s));
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memcpy(vf->priv, &nuv_priv_dflt,sizeof(struct vf_priv_s));
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vf->priv->mux=(muxer_stream_t*)args;
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mux_v->bih=calloc(1, sizeof(BITMAPINFOHEADER));
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mux_v->bih->biSize=sizeof(BITMAPINFOHEADER);
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mux_v->bih->biWidth=0;
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mux_v->bih->biHeight=0;
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mux_v->bih->biPlanes=1;
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mux_v->bih->biBitCount=12;
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mux_v->bih->biCompression = mmioFOURCC('N','U','V','1');
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if(vf->priv->lzo) {
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if(lzo_init() != LZO_E_OK) {
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mp_msg(MSGT_VFILTER,MSGL_WARN,"LZO init failed: no lzo compression\n");
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vf->priv->lzo = 0;
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} else
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vf->priv->zmem = malloc(sizeof(long)*LZO_AL(LZO1X_1_MEM_COMPRESS));
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}
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return 1;
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}
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vf_info_t ve_info_nuv = {
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"nuv encoder",
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"nuv",
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"Albeu",
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"for internal use by mencoder",
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vf_open
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};
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//===========================================================================//
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