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Diffstat (limited to 'src/combined/ffmpeg/ffmpeg_encoder.c')
-rw-r--r--src/combined/ffmpeg/ffmpeg_encoder.c334
1 files changed, 0 insertions, 334 deletions
diff --git a/src/combined/ffmpeg/ffmpeg_encoder.c b/src/combined/ffmpeg/ffmpeg_encoder.c
deleted file mode 100644
index d41023675..000000000
--- a/src/combined/ffmpeg/ffmpeg_encoder.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * Copyright (C) 2000-2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- */
-
-/* mpeg encoders for the dxr3 video out plugin. */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include <math.h>
-
-#define LOG_MODULE "dxr3_mpeg_encoder"
-/* #define LOG_VERBOSE */
-/* #define LOG */
-
-#include "video_out_dxr3.h"
-
-#ifdef HAVE_FFMPEG_AVUTIL_H
-# include <avcodec.h>
-#elif defined HAVE_FFMPEG
-# include <libavcodec/avcodec.h>
-#else
-# include "../../libffmpeg/libavcodec/avcodec.h"
-#endif
-
-/* 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
-
-
-/*initialisation function, used by the dxr3 plugin */
-int dxr3_encoder_init(dxr3_driver_t *drv) EXPORTED;
-
-/* functions required by encoder api */
-static int lavc_on_update_format(dxr3_driver_t *drv, dxr3_frame_t *frame);
-static int lavc_on_display_frame(dxr3_driver_t *drv, dxr3_frame_t *frame);
-static int lavc_on_unneeded(dxr3_driver_t *drv);
-
-/*encoder structure*/
-typedef struct lavc_data_s {
- encoder_data_t encoder_data;
- AVCodecContext *context; /* handle for encoding */
- int width, height; /* width and height of the video frame */
- uint8_t *ffmpeg_buffer; /* lavc buffer */
- AVFrame *picture; /* picture to be encoded */
- uint8_t *out[3]; /* aligned buffer for YV12 data */
- uint8_t *buf; /* unaligned YV12 buffer */
-} lavc_data_t;
-
-
-int dxr3_encoder_init(dxr3_driver_t *drv)
-{
- lavc_data_t* this;
- avcodec_init();
-
- avcodec_register_all();
- lprintf("lavc init , version %x\n", avcodec_version());
- this = calloc(1, sizeof(lavc_data_t));
- if (!this) return 0;
-
- this->encoder_data.type = ENC_LAVC;
- this->encoder_data.on_update_format = lavc_on_update_format;
- this->encoder_data.on_frame_copy = NULL;
- this->encoder_data.on_display_frame = lavc_on_display_frame;
- this->encoder_data.on_unneeded = lavc_on_unneeded;
- this->context = 0;
-
- drv->enc = &this->encoder_data;
- return 1;
-}
-
-/* helper function */
-static int lavc_prepare_frame(lavc_data_t *this, dxr3_driver_t *drv, dxr3_frame_t *frame);
-
-static int lavc_on_update_format(dxr3_driver_t *drv, dxr3_frame_t *frame)
-{
- lavc_data_t *this = (lavc_data_t *)drv->enc;
- AVCodec *codec;
- unsigned char use_quantizer;
-
- if (this->context) {
- avcodec_close(this->context);
- free(this->context);
- free(this->picture);
- this->context = NULL;
- this->picture = NULL;
- }
-
- /* if YUY2 and dimensions changed, we need to re-allocate the
- * internal YV12 buffer */
- if (frame->vo_frame.format == XINE_IMGFMT_YUY2) {
- int image_size = frame->vo_frame.pitches[0] * frame->oheight;
-
- this->out[0] = xine_xmalloc_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);
- lprintf("Using YUY2->YV12 conversion\n");
- }
-
- /* resolution must be a multiple of two */
- if ((frame->vo_frame.pitches[0] % 2 != 0) || (frame->oheight % 2 != 0)) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: lavc only handles video dimensions which are multiples of 2\n");
- return 0;
- }
-
- /* get mpeg codec handle */
- codec = avcodec_find_encoder(CODEC_ID_MPEG1VIDEO);
- if (!codec) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: lavc MPEG1 codec not found\n");
- return 0;
- }
- lprintf("lavc MPEG1 encoder found.\n");
-
- this->width = frame->vo_frame.pitches[0];
- this->height = frame->oheight;
-
- this->context = avcodec_alloc_context();
- if (!this->context) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: Couldn't start the ffmpeg library\n");
- return 0;
- }
- this->picture = avcodec_alloc_frame();
- if (!this->picture) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: Couldn't allocate ffmpeg frame\n");
- return 0;
- }
-
- /* mpeg1 encoder only support YUV420P */
- this->context->pix_fmt = PIX_FMT_YUVJ420P;
-
- /* put sample parameters */
- this->context->bit_rate = drv->class->xine->config->register_range(drv->class->xine->config,
- "dxr3.encoding.lavc_bitrate", 10000, 1000, 20000,
- _("libavcodec mpeg output bitrate (kbit/s)"),
- _("The bitrate the libavcodec mpeg encoder should use for DXR3's encoding mode. "
- "Higher values will increase quality and CPU usage.\n"
- "This setting is only considered, when constant quality mode is disabled."), 10, NULL, NULL);
- this->context->bit_rate *= 1000; /* config in kbit/s, libavcodec wants bit/s */
-
- use_quantizer = drv->class->xine->config->register_bool(drv->class->xine->config,
- "dxr3.encoding.lavc_quantizer", 1,
- _("constant quality mode"),
- _("When enabled, libavcodec will use a constant quality mode by dynamically "
- "compressing the images based on their complexity. When disabled, libavcodec "
- "will use constant bitrate mode."), 10, NULL, NULL);
-
- if (use_quantizer) {
- this->context->qmin = drv->class->xine->config->register_range(drv->class->xine->config,
- "dxr3.encoding.lavc_qmin", 1, 1, 10,
- _("minimum compression"),
- _("The minimum compression to apply to an image in constant quality mode."),
- 10, NULL, NULL);
-
- this->context->qmax = drv->class->xine->config->register_range(drv->class->xine->config,
- "dxr3.encoding.lavc_qmax", 2, 1, 20,
- _("maximum quantizer"),
- _("The maximum compression to apply to an image in constant quality mode."),
- 10, NULL, NULL);
- }
-
- lprintf("lavc -> bitrate %d \n", this->context->bit_rate);
-
- this->context->width = frame->vo_frame.pitches[0];
- this->context->height = frame->oheight;
-
- this->context->gop_size = 0; /*intra frames only */
- this->context->me_method = ME_ZERO; /*motion estimation type*/
-
- this->context->time_base.den = 90000;
- if (frame->vo_frame.duration > 90000 / 24)
- this->context->time_base.num = 90000 / 24;
- else if (frame->vo_frame.duration < 90000 / 60)
- this->context->time_base.num = 90000 / 60;
- else
- this->context->time_base.num = frame->vo_frame.duration;
- /* ffmpeg can complain about illegal framerates, but since this seems no
- * problem for the DXR3, we just tell ffmpeg to be more lax with */
- this->context->strict_std_compliance = -1;
-
- /* open avcodec */
- if (avcodec_open(this->context, codec) < 0) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG, "dxr3_mpeg_encoder: could not open codec\n");
- return 0;
- }
- lprintf("dxr3_mpeg_encoder: lavc MPEG1 codec opened.\n");
-
- if (!this->ffmpeg_buffer)
- this->ffmpeg_buffer = (unsigned char *)malloc(DEFAULT_BUFFER_SIZE); /* why allocate more than needed ?! */
- if (!this->ffmpeg_buffer) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: Couldn't allocate temp buffer for mpeg data\n");
- return 0;
- }
-
- return 1;
-}
-
-static int lavc_on_display_frame(dxr3_driver_t *drv, dxr3_frame_t *frame)
-{
- int size;
- lavc_data_t* this = (lavc_data_t *)drv->enc;
- ssize_t written;
-
- if (frame->vo_frame.bad_frame) return 1;
- /* ignore old frames */
- if ((frame->vo_frame.pitches[0] != this->context->width) || (frame->oheight != this->context->height)) {
- frame->vo_frame.free(&frame->vo_frame);
- lprintf("LAVC ignoring frame !!!\n");
- return 1;
- }
-
- /* prepare frame for conversion, handles YUY2 -> YV12 conversion when necessary */
- lavc_prepare_frame(this, drv, frame);
-
- /* do the encoding */
- size = avcodec_encode_video(this->context, this->ffmpeg_buffer, DEFAULT_BUFFER_SIZE, this->picture);
-
- frame->vo_frame.free(&frame->vo_frame);
-
- if (size < 0) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: encoding failed\n");
- return 0;
- }
-
- written = write(drv->fd_video, this->ffmpeg_buffer, size);
- if (written < 0) {
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: video device write failed (%s)\n", strerror(errno));
- return 0;
- }
- if (written != size)
- xprintf(drv->class->xine, XINE_VERBOSITY_LOG,
- "dxr3_mpeg_encoder: Could only write %zd of %d mpeg bytes.\n", written, size);
- return 1;
-}
-
-static int lavc_on_unneeded(dxr3_driver_t *drv)
-{
- lavc_data_t *this = (lavc_data_t *)drv->enc;
- lprintf("flushing buffers\n");
- if (this->context) {
- avcodec_close(this->context);
- free(this->context);
- free(this->picture);
- this->context = NULL;
- this->picture = NULL;
- }
- return 1;
-}
-
-static int lavc_prepare_frame(lavc_data_t *this, dxr3_driver_t *drv, dxr3_frame_t *frame)
-{
- int i, j, w2;
- uint8_t *yuy2;
-
- if (frame->vo_frame.bad_frame) return 1;
-
- if (frame->vo_frame.format == XINE_IMGFMT_YUY2) {
- /* need YUY2->YV12 conversion */
- if (!(this->out[0] && this->out[1] && this->out[2]) ) {
- lprintf("Internal YV12 buffer not created.\n");
- return 0;
- }
- this->picture->data[0] = this->out[0] + frame->vo_frame.pitches[0] * drv->top_bar; /* y */
- this->picture->data[1] = this->out[1] + (frame->vo_frame.pitches[0] / 2) * (drv->top_bar / 2); /* u */
- this->picture->data[2] = this->out[2] + (frame->vo_frame.pitches[0] / 2) * (drv->top_bar / 2); /* v */
- yuy2 = frame->vo_frame.base[0];
- w2 = frame->vo_frame.pitches[0] / 2;
- for (i = 0; i < frame->vo_frame.height; i += 2) {
- for (j = 0; j < w2; j++) {
- /* packed YUV 422 is: Y[i] U[i] Y[i+1] V[i] */
- *(this->picture->data[0]++) = *(yuy2++);
- *(this->picture->data[1]++) = *(yuy2++);
- *(this->picture->data[0]++) = *(yuy2++);
- *(this->picture->data[2]++) = *(yuy2++);
- }
- /* down sampling */
- for (j = 0; j < w2; j++) {
- /* skip every second line for U and V */
- *(this->picture->data[0]++) = *(yuy2++);
- yuy2++;
- *(this->picture->data[0]++) = *(yuy2++);
- yuy2++;
- }
- }
- /* reset for encoder */
- this->picture->data[0] = this->out[0];
- this->picture->data[1] = this->out[1];
- this->picture->data[2] = this->out[2];
- }
- else { /* YV12 **/
- this->picture->data[0] = frame->real_base[0];
- this->picture->data[1] = frame->real_base[1];
- this->picture->data[2] = frame->real_base[2];
- }
- this->picture->linesize[0] = this->context->width;
- this->picture->linesize[1] = this->context->width / 2;
- this->picture->linesize[2] = this->context->width / 2;
- return 1;
-}
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