mirror of https://github.com/mpv-player/mpv
232 lines
6.2 KiB
C
232 lines
6.2 KiB
C
#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.h"
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#include "demuxer.h"
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#include "stheader.h"
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#include "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 "libmpdemux/nuppelvideo.h"
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#include "native/minilzo.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_IN_LEN (1024*1024L)
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#define LZO_OUT_LEN (LZO_IN_LEN + LZO_IN_LEN / 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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static int config(struct vf_instance_s* 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 < (int)(128*sizeof(long int) + FRAMEHEADERSIZE))
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vf->priv->buf_size = 128*sizeof(long int) + 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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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_s* 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_s* vf, unsigned int fmt){
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if(fmt==IMGFMT_I420) return 3;
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return 0;
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}
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
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struct rtframeheader* ench = (struct rtframeheader*)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, zlen = 0,r;
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memset(vf->priv->buffer,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((long int*)data,mpi->width,mpi->height,vf->priv->q);
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RTjpeg_init_mcompress();
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ench->frametype = 'D'; // compressor data
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ench->comptype = 'R'; // compressor data for RTjpeg
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ench->packetlength = 128*sizeof(long int);
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mux_v->buffer=vf->priv->buffer;
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muxer_write_chunk(mux_v,FRAMEHEADERSIZE + 128*sizeof(long int), 0x10);
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vf->priv->tbl_wrote = 1;
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memset(ench,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],mpi->width*mpi->height*3/2,
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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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ench->comptype = '0';
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} else { // Use lzo only if it's littler
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ench = (struct rtframeheader*)vf->priv->zbuffer;
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ench->comptype = '3';
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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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ench->comptype = '1';
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else {
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ench = (struct rtframeheader*)vf->priv->zbuffer;
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ench->comptype = '2';
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len = zlen;
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}
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}
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ench->frametype = 'V'; // video frame
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ench->packetlength = len;
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mux_v->buffer=(void*)ench;
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muxer_write_chunk(mux_v, len + FRAMEHEADERSIZE, 0x10);
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return 1;
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}
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static void uninit(struct vf_instance_s* 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->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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}
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vf->priv->zbuffer = (lzo_bytep)malloc(FRAMEHEADERSIZE + LZO_OUT_LEN);
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vf->priv->zmem = (long*)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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