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Diffstat (limited to 'src/dxr3/mpeg_encoders.c')
-rw-r--r--src/dxr3/mpeg_encoders.c453
1 files changed, 0 insertions, 453 deletions
diff --git a/src/dxr3/mpeg_encoders.c b/src/dxr3/mpeg_encoders.c
deleted file mode 100644
index 841a9d8ae..000000000
--- a/src/dxr3/mpeg_encoders.c
+++ /dev/null
@@ -1,453 +0,0 @@
-/*
- * Copyright (C) 2000-2001 the xine project
- *
- * This file is part of xine, a unix video player.
- *
- * xine 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.
- *
- * xine 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- *
- * $Id: mpeg_encoders.c,v 1.7 2002/05/06 11:26:37 jcdutton Exp $
- *
- * mpeg encoders for the dxr3 video out plugin.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#ifdef HAVE_LIBRTE
-# define _GNU_SOURCE
-# include <unistd.h>
-# include <rte.h>
-#endif
-#ifdef HAVE_LIBFAME
-# include <fame.h>
-#endif
-
-#include "dxr3_video_out.h"
-
-#define MV_COMMAND 0
-/* buffer size for encoded mpeg1 stream; will hold one intra frame
- * at 640x480 typical sizes are <50 kB. 512 kB should be plenty */
-#define DEFAULT_BUFFER_SIZE 512*1024
-
-#ifdef HAVE_LIBRTE
-typedef struct {
- encoder_data_t encoder_data;
- int width, height;
- rte_context* context; /* handle for encoding */
- void* rte_ptr; /* buffer maintened by librte */
- double rte_time; /* frame time (s) */
- double rte_time_step; /* time per frame (s) */
- double rte_bitrate; /* mpeg out bitrate, default 2.3e6 bits/s */
-} rte_data_t;
-
-
-static void mp1e_callback(rte_context *context, void *data, ssize_t size,
- void* user_data)
-{
- dxr3_driver_t *this = (dxr3_driver_t*)user_data;
- em8300_register_t regs;
- char tmpstr[128];
-
- if (this->enhanced_mode)
- {
- regs.microcode_register=1; /* Yes, this is a MC Reg */
- regs.reg = MV_COMMAND;
- regs.val=6; /* Mike's mystery number :-) */
- ioctl(this->fd_control, EM8300_IOCTL_WRITEREG, &regs);
- }
- if (this->fd_video == CLOSED_FOR_ENCODER) {
- snprintf (tmpstr, sizeof(tmpstr), "%s_mv%s", this->devname, this->devnum);
- this->fd_video = open(tmpstr, O_WRONLY | O_NONBLOCK);
- }
- if (this->fd_video < 0) return;
- /* FIXME: Is a SETPTS necessary here? */
- if (write(this->fd_video, data, size) < 0)
- perror("dxr3: writing to video device");
-}
-
-static int rte_on_update_format(dxr3_driver_t *drv)
-{
- rte_data_t *this = (rte_data_t*)drv->enc;
- rte_context* context;
- rte_codec *codec;
- int width, height;
- char tmpstr[128];
-
- width = drv->video_width;
- height = drv->video_height;
-
- if (this->context != 0) {/* already running */
- printf("dxr3: closing current encoding context.\n");
- rte_stop(this->context);
- rte_context_delete(this->context);
- this->context = 0;
- }
- this->width = width;
- this->height = height;
-
- this->context = rte_context_new (width, height, "mp1e", drv);
- if (! this->context) {
- printf("dxr3: failed to get rte context.\n");
- return 1;
- }
- context = this->context; /* shortcut */
- rte_set_verbosity(context, 2);
- /* get mpeg codec handle */
- codec = rte_codec_set(context, RTE_STREAM_VIDEO, 0, "mpeg1_video");
- if (! codec) {
- printf("dxr3: could not create codec.\n");
- rte_context_destroy(context);
- context = 0;
- return 1;
- }
- this->rte_bitrate=drv->config->register_range(drv->config,"dxr3.rte_bitrate",10000, 1000,20000, "Dxr3enc: rte mpeg output bitrate (kbit/s)",NULL,NULL,NULL);
- this->rte_bitrate *= 1000; /* config in kbit/s, rte wants bit/s */
- /* FIXME: this needs to be replaced with a codec option call.
- * However, there seems to be none for the colour format!
- * So we'll use the deprecated set_video_parameters instead.
- * Alternative is to manually set context->video_format (RTE_YU... )
- * and context->video_bytes (= width * height * bytes/pixel) */
- rte_set_video_parameters(context,
- (drv->format == IMGFMT_YV12 ? RTE_YUV420 : RTE_YUYV),
- context->width, context->height,
- context->video_rate, context->output_video_bits,
- context->gop_sequence);
- /* Now set a whole bunch of codec options */
- /* If I understand correctly, virtual_frame_rate is the frame rate
- * of the source (can be anything), while coded_frame_rate must be
- * one of the mpeg1 alloweds */
- if (!rte_option_set(codec, "virtual_frame_rate", drv->fps))
- printf("dxr3: WARNING: rte_option_set failed; virtual_frame_rate=%g.\n",drv->fps);
- if (!rte_option_set(codec, "coded_frame_rate", drv->fps))
- printf("dxr3: WARNING: rte_option_set failed; coded_frame_rate=%g.\n",drv->fps);
- if (!rte_option_set(codec, "bit_rate", (int)this->rte_bitrate))
- printf("dxr3: WARNING: rte_option_set failed; bit_rate = %d.\n",
- (int)this->rte_bitrate);
- if (!rte_option_set(codec, "gop_sequence", "I"))
- printf("dxr3: WARNING: rte_option_set failed; gop_sequence = \"I\".\n");
- /* just to be sure, disable motion comp (not needed in I frames) */
- if (!rte_option_set(codec, "motion_compensation", 0))
- printf("dxr3: WARNING: rte_option_set failed; motion_compensation = 0.\n");
- rte_set_input(context, RTE_VIDEO, RTE_PUSH, FALSE, NULL, NULL, NULL);
- snprintf (tmpstr, sizeof(tmpstr), "%s_mv", drv->devname);
- rte_set_output(context, mp1e_callback, NULL, NULL);
- if (!rte_init_context(context)) {
- printf("dxr3: cannot init the context: %s\n",
- context->error);
- rte_context_delete(context);
- context = 0;
- return 1;
- }
- /* do the sync'ing and start encoding */
- if (!rte_start_encoding(context)) {
- printf("dxr3: cannot start encoding: %s\n",
- context->error);
- rte_context_delete(context);
- context = 0;
- return 1;
- }
- this->rte_ptr = rte_push_video_data(context, NULL, 0);
- if (! this->rte_ptr) {
- printf("dxr3: failed to get encoder buffer pointer.\n");
- return 1;
- }
- this->rte_time = 0.0;
- this->rte_time_step = 1.0/drv->fps;
-
- return 0;
-}
-
-static int rte_on_display_frame( dxr3_driver_t* drv, dxr3_frame_t* frame )
-{
- int size;
- rte_data_t* this = (rte_data_t*)drv->enc;
-
- if ( (this->width != frame->width) || (this->height != frame->oheight)){
- /* maybe we were reinitialized and get an old frame. */
- return 0;
- }
- size = frame->width * frame->oheight;
- if (frame->vo_frame.format == IMGFMT_YV12)
- xine_fast_memcpy(this->rte_ptr, frame->real_base[0], size*3/2);
- else
- xine_fast_memcpy(this->rte_ptr, frame->real_base[0], size*2);
- this->rte_time += this->rte_time_step;
- this->rte_ptr = rte_push_video_data(this->context, this->rte_ptr,
- this->rte_time);
- frame->vo_frame.displayed(&frame->vo_frame);
- return 0;
-}
-
-static int rte_on_close( dxr3_driver_t *drv )
-{
- rte_data_t *this = (rte_data_t*)drv->enc;
- if (this->context) {
- rte_stop(this->context);
- rte_context_delete(this->context);
- this->context = 0;
- }
- free(this);
- drv->enc = 0;
- return 0;
-}
-
-int dxr3_rte_init( dxr3_driver_t *drv )
-{
- rte_data_t* this;
- if (! rte_init() ) {
- printf("dxr3: failed to init librte\n");
- return 1;
- }
- this = malloc(sizeof(rte_data_t));
- if (!this)
- return 1;
- memset(this, 0, sizeof(rte_data_t));
- this->encoder_data.type = ENC_RTE;
- this->context = 0;
- this->encoder_data.on_update_format = rte_on_update_format;
- this->encoder_data.on_frame_copy = 0;
- this->encoder_data.on_display_frame = rte_on_display_frame;
- this->encoder_data.on_close = rte_on_close;
- drv->enc = (encoder_data_t*)this;
- return 0;
-}
-
-#endif
-
-#ifdef HAVE_LIBFAME
-typedef struct {
- encoder_data_t encoder_data;
- fame_context_t *fc; /* needed for fame calls */
- fame_parameters_t fp;
- fame_yuv_t yuv;
- /* temporary buffer for mpeg data */
- char *buffer;
- /* temporary buffer for YUY2->YV12 conversion */
- uint8_t *out[3]; /* aligned buffer for YV12 data */
- uint8_t *buf; /* unaligned YV12 buffer */
-} fame_data_t;
-
-
-static fame_parameters_t dummy_init_fp = FAME_PARAMETERS_INITIALIZER;
-
-static int fame_on_update_format(dxr3_driver_t *drv)
-{
- fame_data_t *this = (fame_data_t*)drv->enc;
- double fps;
-
- /* if YUY2 and dimensions changed, we need to re-allocate the
- * internal YV12 buffer */
- if (this->buf) free(this->buf);
- this->buf = 0;
- this->out[0] = this->out[1] = this->out[2] = 0;
- if (drv->format == IMGFMT_YUY2) {
- int image_size = drv->video_width * drv->video_height;
-
- this->out[0] = malloc_aligned(16, image_size * 3/2,
- (void*)&this->buf);
- this->out[1] = this->out[0] + image_size;
- this->out[2] = this->out[1] + image_size/4;
-
- /* fill with black (yuv 16,128,128) */
- memset(this->out[0], 16, image_size);
- memset(this->out[1], 128, image_size/4);
- memset(this->out[2], 128, image_size/4);
-
- printf("dxr3: Using YUY2->YV12 conversion\n");
- }
-
- if (this->fc) {
- printf("dxr3: closing current encoding context.\n");
- fame_close(this->fc);
- this->fc = 0;
- }
- if (!this->fc)
- this->fc = fame_open();
- if (!this->fc) {
- printf("Couldn't start the FAME library\n");
- return 1;
- }
-
- if (!this->buffer)
- this->buffer = (unsigned char *) malloc (DEFAULT_BUFFER_SIZE);
- if (!this->buffer) {
- printf("Couldn't allocate temp buffer for mpeg data\n");
- return 1;
- }
-
- this->fp = dummy_init_fp;
- this->fp.quality=drv->config->register_range(drv->config,"dxr3.fame_quality",90, 10,100, "Dxr3enc: fame mpeg encoding quality",NULL,NULL,NULL);
- /* the really interesting bit is the quantizer scale. The formula
- * below is copied from libfame's sources (could be changed in the
- * future) */
- printf("dxr3: quality %d -> quant scale = %d\n", this->fp.quality,
- 1 + (30*(100-this->fp.quality)+50)/100);
- this->fp.width = drv->video_width;
- this->fp.height = drv->video_height;
- this->fp.profile = "mpeg1";
- this->fp.coding = "I";
- this->fp.verbose = 1; /* we don't need any more info.. thanks :) */
-
- /* start guessing the framerate */
- fps = drv->fps;
- if (fabs(fps - 25) < 0.01) { /* PAL */
- printf("dxr3: setting mpeg output framerate to PAL (25 Hz)\n");
- this->fp.frame_rate_num = 25; this->fp.frame_rate_den = 1;
- }
- else if (fabs(fps - 24) < 0.01) { /* FILM */
- printf("dxr3: setting mpeg output framerate to FILM (24 Hz))\n");
- this->fp.frame_rate_num = 24; this->fp.frame_rate_den = 1;
- }
- else if (fabs(fps - 23.976) < 0.01) { /* NTSC-FILM */
- printf("dxr3: setting mpeg output framerate to NTSC-FILM (23.976 Hz))\n");
- this->fp.frame_rate_num = 24000; this->fp.frame_rate_den = 1001;
- }
- else if (fabs(fps - 29.97) < 0.01) { /* NTSC */
- printf("dxr3: setting mpeg output framerate to NTSC (29.97 Hz)\n");
- this->fp.frame_rate_num = 30000; this->fp.frame_rate_den = 1001;
- }
- else { /* try 1/fps, if not legal, libfame will go to PAL */
- this->fp.frame_rate_num = (int)(fps + 0.5); this->fp.frame_rate_den = 1;
- printf("dxr3: trying to set mpeg output framerate to %d Hz\n",
- this->fp.frame_rate_num);
- }
- fame_init (this->fc, &this->fp, this->buffer, DEFAULT_BUFFER_SIZE);
-
- return 0;
-}
-
-static int fame_prepare_frame(fame_data_t* this, dxr3_driver_t *drv,
- dxr3_frame_t *frame)
-{
- int i, j, w2;
- uint8_t *y, *u, *v, *yuy2;
-
- if (frame->vo_frame.bad_frame)
- return 0;
-
- if (frame->vo_frame.format == IMGFMT_YUY2) {
- /* need YUY2->YV12 conversion */
- if (! (this->out[0] && this->out[1] && this->out[2]) ) {
- printf("dxr3: Internal error. Internal YV12 buffer not created.\n");
- return 1;
- }
- /* need conversion */
- y = this->out[0] + frame->width*drv->top_bar;
- u = this->out[1] + frame->width/2*(drv->top_bar/2);
- v = this->out[2] + frame->width/2*(drv->top_bar/2);
- yuy2 = frame->vo_frame.base[0];
- w2 = frame->width/2;
- for (i=0; i<frame->height; i+=2) {
- for (j=0; j<w2; j++) {
- /* packed YUV 422 is: Y[i] U[i] Y[i+1] V[i] */
- *(y++) = *(yuy2++);
- *(u++) = *(yuy2++);
- *(y++) = *(yuy2++);
- *(v++) = *(yuy2++);
- }
- /* down sampling */
- for (j=0; j<w2; j++) {
- /* skip every second line for U and V */
- *(y++) = *(yuy2++);
- yuy2++;
- *(y++) = *(yuy2++);
- yuy2++;
- }
- }
- /* reset for encoder */
- y = this->out[0];
- u = this->out[1];
- v = this->out[2];
- }
- else { /* YV12 */
- y = frame->real_base[0];
- u = frame->real_base[1];
- v = frame->real_base[2];
- }
-
- this->yuv.y=y;
- this->yuv.u=u;
- this->yuv.v=v;
- return 0;
-}
-
-
-static int fame_on_display_frame( dxr3_driver_t* drv, dxr3_frame_t* frame)
-{
- char tmpstr[128];
- em8300_register_t regs;
- int size;
- fame_data_t *this = (fame_data_t*)drv->enc;
-
- if ((frame->width != this->fp.width) || (frame->oheight != this->fp.height)) {
- /* probably an old frame for a previous context. ignore it */
- return 0;
- }
-
- fame_prepare_frame(this, drv, frame);
- size = fame_encode_frame(this->fc, &this->yuv, NULL);
-
- if (drv->enhanced_mode)
- {
- regs.microcode_register=1; /* Yes, this is a MC Reg */
- regs.reg = MV_COMMAND;
- regs.val=6; /* Mike's mystery number :-) */
- ioctl(drv->fd_control, EM8300_IOCTL_WRITEREG, &regs);
- }
-
- if (drv->fd_video == CLOSED_FOR_ENCODER) {
- snprintf (tmpstr, sizeof(tmpstr), "%s_mv%s", drv->devname, drv->devnum);
- drv->fd_video = open(tmpstr, O_WRONLY | O_NONBLOCK);
- }
- if (drv->fd_video >= 0)
- /* FIXME: Is a SETPTS necessary here? */
- if (write(drv->fd_video, this->buffer, size) < 0)
- perror("dxr3: writing to video device");
- frame->vo_frame.displayed(&frame->vo_frame);
- return 0;
-}
-
-static int fame_on_close( dxr3_driver_t *drv )
-{
- fame_data_t *this = (fame_data_t*)drv->enc;
- if (this->fc) {
- fame_close(this->fc);
- }
- free(this);
- drv->enc = 0;
- return 0;
-}
-
-int dxr3_fame_init( dxr3_driver_t *drv )
-{
- fame_data_t* this;
- this = malloc(sizeof(fame_data_t));
- if (! this)
- return 1;
- memset(this, 0, sizeof(fame_data_t));
- this->encoder_data.type = ENC_FAME;
- /* fame context */
- this->fc = 0;
- this->encoder_data.on_update_format = fame_on_update_format;
- this->encoder_data.on_frame_copy = NULL;
- this->encoder_data.on_display_frame = fame_on_display_frame;
- this->encoder_data.on_close = fame_on_close;
- drv->enc = (encoder_data_t*)this;
- return 0;
-}
-
-#endif
-
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