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|
/*
* ffmpeg-write support
*
* Partial Copyright (c) 2006 Peter Schlaile
*
* This program 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.
*
* This program 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.
*
*/
#ifdef WITH_FFMPEG
#include <string.h>
#include <stdio.h>
#if defined(_WIN32) && defined(_DEBUG) && !defined(__MINGW32__) && !defined(__CYGWIN__)
/* This does not seem necessary or present on MSVC 8, but may be needed in earlier versions? */
#if _MSC_VER < 1400
#include <stdint.h>
#endif
#endif
#include <stdlib.h>
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libavutil/rational.h>
#include <libswscale/swscale.h>
#include <libavcodec/opt.h>
#if LIBAVFORMAT_VERSION_INT < (49 << 16)
#define FFMPEG_OLD_FRAME_RATE 1
#else
#define FFMPEG_CODEC_IS_POINTER 1
#define FFMPEG_CODEC_TIME_BASE 1
#endif
#if LIBAVFORMAT_VERSION_INT >= (52 << 16)
#define OUTFILE_PB (outfile->pb)
#else
#define OUTFILE_PB (&outfile->pb)
#endif
#if defined(WIN32) && (!(defined snprintf))
#define snprintf _snprintf
#endif
#include "MEM_guardedalloc.h"
#include "DNA_scene_types.h"
#include "BLI_blenlib.h"
#include "AUD_C-API.h" /* must be before BKE_sound.h for define */
#include "BKE_global.h"
#include "BKE_idprop.h"
#include "BKE_main.h"
#include "BKE_report.h"
#include "BKE_sound.h"
#include "BKE_writeffmpeg.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
extern void do_init_ffmpeg();
static int ffmpeg_type = 0;
static int ffmpeg_codec = CODEC_ID_MPEG4;
static int ffmpeg_audio_codec = CODEC_ID_NONE;
static int ffmpeg_video_bitrate = 1150;
static int ffmpeg_audio_bitrate = 128;
static int ffmpeg_gop_size = 12;
static int ffmpeg_autosplit = 0;
static int ffmpeg_autosplit_count = 0;
static AVFormatContext* outfile = 0;
static AVStream* video_stream = 0;
static AVStream* audio_stream = 0;
static AVFrame* current_frame = 0;
static struct SwsContext *img_convert_ctx = 0;
static uint8_t* video_buffer = 0;
static int video_buffersize = 0;
static uint8_t* audio_input_buffer = 0;
static int audio_input_samples = 0;
static uint8_t* audio_output_buffer = 0;
static int audio_outbuf_size = 0;
static double audio_time = 0.0f;
static AUD_Device* audio_mixdown_device = 0;
#define FFMPEG_AUTOSPLIT_SIZE 2000000000
/* Delete a picture buffer */
static void delete_picture(AVFrame* f)
{
if (f) {
if (f->data[0]) MEM_freeN(f->data[0]);
av_free(f);
}
}
#ifdef FFMPEG_CODEC_IS_POINTER
static AVCodecContext* get_codec_from_stream(AVStream* stream)
{
return stream->codec;
}
#else
static AVCodecContext* get_codec_from_stream(AVStream* stream)
{
return &stream->codec;
}
#endif
static int write_audio_frame(void)
{
AVCodecContext* c = NULL;
AVPacket pkt;
c = get_codec_from_stream(audio_stream);
av_init_packet(&pkt);
pkt.size = 0;
AUD_readDevice(audio_mixdown_device, audio_input_buffer, audio_input_samples);
audio_time += (double) audio_input_samples / (double) c->sample_rate;
pkt.size = avcodec_encode_audio(c, audio_output_buffer,
audio_outbuf_size,
(short*) audio_input_buffer);
if(pkt.size < 0)
{
// XXX error("Error writing audio packet");
return -1;
}
pkt.data = audio_output_buffer;
if(c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE)
{
#ifdef FFMPEG_CODEC_TIME_BASE
pkt.pts = av_rescale_q(c->coded_frame->pts,
c->time_base, audio_stream->time_base);
#else
pkt.pts = c->coded_frame->pts;
#endif
fprintf(stderr, "Audio Frame PTS: %d\n", (int)pkt.pts);
}
pkt.stream_index = audio_stream->index;
pkt.flags |= PKT_FLAG_KEY;
if (av_interleaved_write_frame(outfile, &pkt) != 0) {
// XXX error("Error writing audio packet");
return -1;
}
return 0;
}
/* Allocate a temporary frame */
static AVFrame* alloc_picture(int pix_fmt, int width, int height)
{
AVFrame* f;
uint8_t* buf;
int size;
/* allocate space for the struct */
f = avcodec_alloc_frame();
if (!f) return NULL;
size = avpicture_get_size(pix_fmt, width, height);
/* allocate the actual picture buffer */
buf = MEM_mallocN(size, "AVFrame buffer");
if (!buf) {
free(f);
return NULL;
}
avpicture_fill((AVPicture*)f, buf, pix_fmt, width, height);
return f;
}
/* Get the correct file extensions for the requested format,
first is always desired guess_format parameter */
static const char** get_file_extensions(int format)
{
switch(format) {
case FFMPEG_DV: {
static const char * rv[] = { ".dv", NULL };
return rv;
}
case FFMPEG_MPEG1: {
static const char * rv[] = { ".mpg", ".mpeg", NULL };
return rv;
}
case FFMPEG_MPEG2: {
static const char * rv[] = { ".dvd", ".vob", ".mpg", ".mpeg",
NULL };
return rv;
}
case FFMPEG_MPEG4: {
static const char * rv[] = { ".mp4", ".mpg", ".mpeg", NULL };
return rv;
}
case FFMPEG_AVI: {
static const char * rv[] = { ".avi", NULL };
return rv;
}
case FFMPEG_MOV: {
static const char * rv[] = { ".mov", NULL };
return rv;
}
case FFMPEG_H264: {
/* FIXME: avi for now... */
static const char * rv[] = { ".avi", NULL };
return rv;
}
case FFMPEG_XVID: {
/* FIXME: avi for now... */
static const char * rv[] = { ".avi", NULL };
return rv;
}
case FFMPEG_FLV: {
static const char * rv[] = { ".flv", NULL };
return rv;
}
case FFMPEG_MKV: {
static const char * rv[] = { ".mkv", NULL };
return rv;
}
case FFMPEG_OGG: {
static const char * rv[] = { ".ogg", ".ogv", NULL };
return rv;
}
case FFMPEG_MP3: {
static const char * rv[] = { ".mp3", NULL };
return rv;
}
case FFMPEG_WAV: {
static const char * rv[] = { ".wav", NULL };
return rv;
}
default:
return NULL;
}
}
/* Write a frame to the output file */
static int write_video_frame(RenderData *rd, AVFrame* frame, ReportList *reports)
{
int outsize = 0;
int ret, success= 1;
AVCodecContext* c = get_codec_from_stream(video_stream);
#ifdef FFMPEG_CODEC_TIME_BASE
frame->pts = rd->cfra - rd->sfra;
#endif
if (rd->mode & R_FIELDS) {
frame->top_field_first = ((rd->mode & R_ODDFIELD) != 0);
}
outsize = avcodec_encode_video(c, video_buffer, video_buffersize,
frame);
if (outsize != 0) {
AVPacket packet;
av_init_packet(&packet);
if (c->coded_frame->pts != AV_NOPTS_VALUE) {
#ifdef FFMPEG_CODEC_TIME_BASE
packet.pts = av_rescale_q(c->coded_frame->pts,
c->time_base,
video_stream->time_base);
#else
packet.pts = c->coded_frame->pts;
#endif
fprintf(stderr, "Video Frame PTS: %d\n", (int)packet.pts);
} else {
fprintf(stderr, "Video Frame PTS: not set\n");
}
if (c->coded_frame->key_frame)
packet.flags |= PKT_FLAG_KEY;
packet.stream_index = video_stream->index;
packet.data = video_buffer;
packet.size = outsize;
ret = av_interleaved_write_frame(outfile, &packet);
} else ret = 0;
if (ret != 0) {
success= 0;
BKE_report(reports, RPT_ERROR, "Error writing frame.");
}
return success;
}
/* read and encode a frame of audio from the buffer */
static AVFrame* generate_video_frame(uint8_t* pixels, ReportList *reports)
{
uint8_t* rendered_frame;
AVCodecContext* c = get_codec_from_stream(video_stream);
int width = c->width;
int height = c->height;
AVFrame* rgb_frame;
if (c->pix_fmt != PIX_FMT_BGR32) {
rgb_frame = alloc_picture(PIX_FMT_BGR32, width, height);
if (!rgb_frame) {
BKE_report(reports, RPT_ERROR, "Couldn't allocate temporary frame.");
return NULL;
}
} else {
rgb_frame = current_frame;
}
rendered_frame = pixels;
/* Do RGBA-conversion and flipping in one step depending
on CPU-Endianess */
if (ENDIAN_ORDER == L_ENDIAN) {
int y;
for (y = 0; y < height; y++) {
uint8_t* target = rgb_frame->data[0]
+ width * 4 * (height - y - 1);
uint8_t* src = rendered_frame + width * 4 * y;
uint8_t* end = src + width * 4;
while (src != end) {
target[3] = src[3];
target[2] = src[2];
target[1] = src[1];
target[0] = src[0];
target += 4;
src += 4;
}
}
} else {
int y;
for (y = 0; y < height; y++) {
uint8_t* target = rgb_frame->data[0]
+ width * 4 * (height - y - 1);
uint8_t* src = rendered_frame + width * 4 * y;
uint8_t* end = src + width * 4;
while (src != end) {
target[3] = src[0];
target[2] = src[1];
target[1] = src[2];
target[0] = src[3];
target += 4;
src += 4;
}
}
}
if (c->pix_fmt != PIX_FMT_BGR32) {
sws_scale(img_convert_ctx, (uint8_t **) rgb_frame->data,
rgb_frame->linesize, 0, c->height,
current_frame->data, current_frame->linesize);
delete_picture(rgb_frame);
}
return current_frame;
}
static void set_ffmpeg_property_option(AVCodecContext* c, IDProperty * prop)
{
char name[128];
char * param;
const AVOption * rv = NULL;
fprintf(stderr, "FFMPEG expert option: %s: ", prop->name);
BLI_strncpy(name, prop->name, sizeof(name));
param = strchr(name, ':');
if (param) {
*param++ = 0;
}
switch(prop->type) {
case IDP_STRING:
fprintf(stderr, "%s.\n", IDP_String(prop));
rv = av_set_string(c, prop->name, IDP_String(prop));
break;
case IDP_FLOAT:
fprintf(stderr, "%g.\n", IDP_Float(prop));
rv = av_set_double(c, prop->name, IDP_Float(prop));
break;
case IDP_INT:
fprintf(stderr, "%d.\n", IDP_Int(prop));
if (param) {
if (IDP_Int(prop)) {
rv = av_set_string(c, name, param);
} else {
return;
}
} else {
rv = av_set_int(c, prop->name, IDP_Int(prop));
}
break;
}
if (!rv) {
fprintf(stderr, "ffmpeg-option not supported: %s! Skipping.\n",
prop->name);
}
}
static void set_ffmpeg_properties(RenderData *rd, AVCodecContext *c, const char * prop_name)
{
IDProperty * prop;
void * iter;
IDProperty * curr;
if (!rd->ffcodecdata.properties) {
return;
}
prop = IDP_GetPropertyFromGroup(
rd->ffcodecdata.properties, (char*) prop_name);
if (!prop) {
return;
}
iter = IDP_GetGroupIterator(prop);
while ((curr = IDP_GroupIterNext(iter)) != NULL) {
set_ffmpeg_property_option(c, curr);
}
}
/* prepare a video stream for the output file */
static AVStream* alloc_video_stream(RenderData *rd, int codec_id, AVFormatContext* of,
int rectx, int recty)
{
AVStream* st;
AVCodecContext* c;
AVCodec* codec;
st = av_new_stream(of, 0);
if (!st) return NULL;
/* Set up the codec context */
c = get_codec_from_stream(st);
c->codec_id = codec_id;
c->codec_type = CODEC_TYPE_VIDEO;
/* Get some values from the current render settings */
c->width = rectx;
c->height = recty;
#ifdef FFMPEG_CODEC_TIME_BASE
/* FIXME: Really bad hack (tm) for NTSC support */
if (ffmpeg_type == FFMPEG_DV && rd->frs_sec != 25) {
c->time_base.den = 2997;
c->time_base.num = 100;
} else if ((double) ((int) rd->frs_sec_base) ==
rd->frs_sec_base) {
c->time_base.den = rd->frs_sec;
c->time_base.num = (int) rd->frs_sec_base;
} else {
c->time_base.den = rd->frs_sec * 100000;
c->time_base.num = ((double) rd->frs_sec_base) * 100000;
}
#else
/* FIXME: Really bad hack (tm) for NTSC support */
if (ffmpeg_type == FFMPEG_DV && rd->frs_sec != 25) {
c->frame_rate = 2997;
c->frame_rate_base = 100;
} else if ((double) ((int) rd->frs_sec_base) ==
rd->frs_sec_base) {
c->frame_rate = rd->frs_sec;
c->frame_rate_base = rd->frs_sec_base;
} else {
c->frame_rate = rd->frs_sec * 100000;
c->frame_rate_base = ((double) rd->frs_sec_base)*100000;
}
#endif
c->gop_size = ffmpeg_gop_size;
c->bit_rate = ffmpeg_video_bitrate*1000;
c->rc_max_rate = rd->ffcodecdata.rc_max_rate*1000;
c->rc_min_rate = rd->ffcodecdata.rc_min_rate*1000;
c->rc_buffer_size = rd->ffcodecdata.rc_buffer_size * 1024;
c->rc_initial_buffer_occupancy
= rd->ffcodecdata.rc_buffer_size*3/4;
c->rc_buffer_aggressivity = 1.0;
c->me_method = ME_EPZS;
codec = avcodec_find_encoder(c->codec_id);
if (!codec) return NULL;
/* Be sure to use the correct pixel format(e.g. RGB, YUV) */
if (codec->pix_fmts) {
c->pix_fmt = codec->pix_fmts[0];
} else {
/* makes HuffYUV happy ... */
c->pix_fmt = PIX_FMT_YUV422P;
}
if (codec_id == CODEC_ID_XVID) {
/* arghhhh ... */
c->pix_fmt = PIX_FMT_YUV420P;
}
if (codec_id == CODEC_ID_H264) {
/* correct wrong default ffmpeg param which crash x264 */
c->qmin=10;
c->qmax=51;
}
if ((of->oformat->flags & AVFMT_GLOBALHEADER)
// || !strcmp(of->oformat->name, "mp4")
// || !strcmp(of->oformat->name, "mov")
// || !strcmp(of->oformat->name, "3gp")
) {
fprintf(stderr, "Using global header\n");
c->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
/* Determine whether we are encoding interlaced material or not */
if (rd->mode & R_FIELDS) {
fprintf(stderr, "Encoding interlaced video\n");
c->flags |= CODEC_FLAG_INTERLACED_DCT;
c->flags |= CODEC_FLAG_INTERLACED_ME;
}
/* xasp & yasp got float lately... */
st->sample_aspect_ratio = c->sample_aspect_ratio = av_d2q(
((double) rd->xasp / (double) rd->yasp), 255);
set_ffmpeg_properties(rd, c, "video");
if (avcodec_open(c, codec) < 0) {
//
//XXX error("Couldn't initialize codec");
return NULL;
}
video_buffersize = 2000000;
video_buffer = (uint8_t*)MEM_mallocN(video_buffersize,
"FFMPEG video buffer");
current_frame = alloc_picture(c->pix_fmt, c->width, c->height);
img_convert_ctx = sws_getContext(c->width, c->height,
PIX_FMT_BGR32,
c->width, c->height,
c->pix_fmt,
SWS_BICUBIC,
NULL, NULL, NULL);
return st;
}
/* Prepare an audio stream for the output file */
static AVStream* alloc_audio_stream(RenderData *rd, int codec_id, AVFormatContext* of)
{
AVStream* st;
AVCodecContext* c;
AVCodec* codec;
st = av_new_stream(of, 1);
if (!st) return NULL;
c = get_codec_from_stream(st);
c->codec_id = codec_id;
c->codec_type = CODEC_TYPE_AUDIO;
c->sample_rate = rd->ffcodecdata.audio_mixrate;
c->bit_rate = ffmpeg_audio_bitrate*1000;
c->sample_fmt = SAMPLE_FMT_S16;
c->channels = 2;
codec = avcodec_find_encoder(c->codec_id);
if (!codec) {
//XXX error("Couldn't find a valid audio codec");
return NULL;
}
set_ffmpeg_properties(rd, c, "audio");
if (avcodec_open(c, codec) < 0) {
//XXX error("Couldn't initialize audio codec");
return NULL;
}
audio_outbuf_size = FF_MIN_BUFFER_SIZE;
if((c->codec_id >= CODEC_ID_PCM_S16LE) && (c->codec_id <= CODEC_ID_PCM_DVD))
audio_input_samples = audio_outbuf_size * 8 / c->bits_per_coded_sample / c->channels;
else
{
audio_input_samples = c->frame_size;
if(c->frame_size * c->channels * sizeof(int16_t) * 4 > audio_outbuf_size)
audio_outbuf_size = c->frame_size * c->channels * sizeof(int16_t) * 4;
}
audio_output_buffer = (uint8_t*)MEM_mallocN(
audio_outbuf_size, "FFMPEG audio encoder input buffer");
audio_input_buffer = (uint8_t*)MEM_mallocN(
audio_input_samples * c->channels * sizeof(int16_t),
"FFMPEG audio encoder output buffer");
audio_time = 0.0f;
return st;
}
/* essential functions -- start, append, end */
static int start_ffmpeg_impl(struct RenderData *rd, int rectx, int recty, ReportList *reports)
{
/* Handle to the output file */
AVFormatContext* of;
AVOutputFormat* fmt;
char name[256];
const char ** exts;
ffmpeg_type = rd->ffcodecdata.type;
ffmpeg_codec = rd->ffcodecdata.codec;
ffmpeg_audio_codec = rd->ffcodecdata.audio_codec;
ffmpeg_video_bitrate = rd->ffcodecdata.video_bitrate;
ffmpeg_audio_bitrate = rd->ffcodecdata.audio_bitrate;
ffmpeg_gop_size = rd->ffcodecdata.gop_size;
ffmpeg_autosplit = rd->ffcodecdata.flags
& FFMPEG_AUTOSPLIT_OUTPUT;
do_init_ffmpeg();
/* Determine the correct filename */
filepath_ffmpeg(name, rd);
fprintf(stderr, "Starting output to %s(ffmpeg)...\n"
" Using type=%d, codec=%d, audio_codec=%d,\n"
" video_bitrate=%d, audio_bitrate=%d,\n"
" gop_size=%d, autosplit=%d\n"
" render width=%d, render height=%d\n",
name, ffmpeg_type, ffmpeg_codec, ffmpeg_audio_codec,
ffmpeg_video_bitrate, ffmpeg_audio_bitrate,
ffmpeg_gop_size, ffmpeg_autosplit, rectx, recty);
exts = get_file_extensions(ffmpeg_type);
if (!exts) {
BKE_report(reports, RPT_ERROR, "No valid formats found.");
return 0;
}
fmt = guess_format(NULL, exts[0], NULL);
if (!fmt) {
BKE_report(reports, RPT_ERROR, "No valid formats found.");
return 0;
}
of = av_alloc_format_context();
if (!of) {
BKE_report(reports, RPT_ERROR, "Error opening output file");
return 0;
}
of->oformat = fmt;
of->packet_size= rd->ffcodecdata.mux_packet_size;
if (ffmpeg_audio_codec != CODEC_ID_NONE) {
of->mux_rate = rd->ffcodecdata.mux_rate;
} else {
of->mux_rate = 0;
}
of->preload = (int)(0.5*AV_TIME_BASE);
of->max_delay = (int)(0.7*AV_TIME_BASE);
fmt->audio_codec = ffmpeg_audio_codec;
snprintf(of->filename, sizeof(of->filename), "%s", name);
/* set the codec to the user's selection */
switch(ffmpeg_type) {
case FFMPEG_AVI:
case FFMPEG_MOV:
case FFMPEG_OGG:
case FFMPEG_MKV:
fmt->video_codec = ffmpeg_codec;
break;
case FFMPEG_DV:
fmt->video_codec = CODEC_ID_DVVIDEO;
break;
case FFMPEG_MPEG1:
fmt->video_codec = CODEC_ID_MPEG1VIDEO;
break;
case FFMPEG_MPEG2:
fmt->video_codec = CODEC_ID_MPEG2VIDEO;
break;
case FFMPEG_H264:
fmt->video_codec = CODEC_ID_H264;
break;
case FFMPEG_XVID:
fmt->video_codec = CODEC_ID_XVID;
break;
case FFMPEG_FLV:
fmt->video_codec = CODEC_ID_FLV1;
break;
case FFMPEG_MP3:
fmt->audio_codec = CODEC_ID_MP3;
case FFMPEG_WAV:
fmt->video_codec = CODEC_ID_NONE;
break;
case FFMPEG_MPEG4:
default:
fmt->video_codec = CODEC_ID_MPEG4;
break;
}
if (fmt->video_codec == CODEC_ID_DVVIDEO) {
if (rectx != 720) {
BKE_report(reports, RPT_ERROR, "Render width has to be 720 pixels for DV!");
return 0;
}
if (rd->frs_sec != 25 && recty != 480) {
BKE_report(reports, RPT_ERROR, "Render height has to be 480 pixels for DV-NTSC!");
return 0;
}
if (rd->frs_sec == 25 && recty != 576) {
BKE_report(reports, RPT_ERROR, "Render height has to be 576 pixels for DV-PAL!");
return 0;
}
}
if (ffmpeg_type == FFMPEG_DV) {
fmt->audio_codec = CODEC_ID_PCM_S16LE;
if (ffmpeg_audio_codec != CODEC_ID_NONE && rd->ffcodecdata.audio_mixrate != 48000) {
BKE_report(reports, RPT_ERROR, "FFMPEG only supports 48khz / stereo audio for DV!");
return 0;
}
}
if (fmt->video_codec != CODEC_ID_NONE) {
video_stream = alloc_video_stream(rd, fmt->video_codec, of, rectx, recty);
printf("alloc video stream %p\n", video_stream);
if (!video_stream) {
BKE_report(reports, RPT_ERROR, "Error initializing video stream.");
return 0;
}
}
if (ffmpeg_audio_codec != CODEC_ID_NONE) {
audio_stream = alloc_audio_stream(rd, fmt->audio_codec, of);
if (!audio_stream) {
BKE_report(reports, RPT_ERROR, "Error initializing audio stream.");
return 0;
}
}
if (av_set_parameters(of, NULL) < 0) {
BKE_report(reports, RPT_ERROR, "Error setting output parameters.");
return 0;
}
if (!(fmt->flags & AVFMT_NOFILE)) {
if (url_fopen(&of->pb, name, URL_WRONLY) < 0) {
BKE_report(reports, RPT_ERROR, "Could not open file for writing.");
return 0;
}
}
av_write_header(of);
outfile = of;
dump_format(of, 0, name, 1);
return 1;
}
/* **********************************************************************
* public interface
********************************************************************** */
/* Get the output filename-- similar to the other output formats */
void filepath_ffmpeg(char* string, RenderData* rd) {
char autosplit[20];
const char ** exts = get_file_extensions(rd->ffcodecdata.type);
const char ** fe = exts;
if (!string || !exts) return;
strcpy(string, rd->pic);
BLI_path_abs(string, G.sce);
BLI_make_existing_file(string);
autosplit[0] = 0;
if ((rd->ffcodecdata.flags & FFMPEG_AUTOSPLIT_OUTPUT) != 0) {
sprintf(autosplit, "_%03d", ffmpeg_autosplit_count);
}
while (*fe) {
if (BLI_strcasecmp(string + strlen(string) - strlen(*fe),
*fe) == 0) {
break;
}
fe++;
}
if (!*fe) {
strcat(string, autosplit);
BLI_path_frame_range(string, rd->sfra, rd->efra, 4);
strcat(string, *exts);
} else {
*(string + strlen(string) - strlen(*fe)) = 0;
strcat(string, autosplit);
strcat(string, *fe);
}
}
int start_ffmpeg(struct Scene *scene, RenderData *rd, int rectx, int recty, ReportList *reports)
{
int success;
ffmpeg_autosplit_count = 0;
success = start_ffmpeg_impl(rd, rectx, recty, reports);
if(audio_stream)
{
AVCodecContext* c = get_codec_from_stream(audio_stream);
AUD_DeviceSpecs specs;
specs.channels = c->channels;
specs.format = AUD_FORMAT_S16;
specs.rate = rd->ffcodecdata.audio_mixrate;
audio_mixdown_device = sound_mixdown(scene, specs, rd->sfra, rd->ffcodecdata.audio_volume);
}
return success;
}
void end_ffmpeg(void);
static void write_audio_frames(double to_pts)
{
int finished = 0;
while (audio_stream && !finished) {
if((audio_time >= to_pts) ||
(write_audio_frame())) {
finished = 1;
}
}
}
int append_ffmpeg(RenderData *rd, int frame, int *pixels, int rectx, int recty, ReportList *reports)
{
AVFrame* avframe;
int success = 1;
fprintf(stderr, "Writing frame %i, "
"render width=%d, render height=%d\n", frame,
rectx, recty);
// why is this done before writing the video frame and again at end_ffmpeg?
// write_audio_frames(frame / (((double)rd->frs_sec) / rd->frs_sec_base));
if(video_stream)
{
avframe= generate_video_frame((unsigned char*) pixels, reports);
success= (avframe && write_video_frame(rd, avframe, reports));
if (ffmpeg_autosplit) {
if (url_ftell(OUTFILE_PB) > FFMPEG_AUTOSPLIT_SIZE) {
end_ffmpeg();
ffmpeg_autosplit_count++;
success &= start_ffmpeg_impl(rd, rectx, recty, reports);
}
}
}
write_audio_frames((frame - rd->sfra) / (((double)rd->frs_sec) / rd->frs_sec_base));
return success;
}
void end_ffmpeg(void)
{
int i;
fprintf(stderr, "Closing ffmpeg...\n");
/* if (audio_stream) { SEE UPPER
write_audio_frames();
}*/
if(audio_mixdown_device)
{
AUD_closeReadDevice(audio_mixdown_device);
audio_mixdown_device = 0;
}
if (outfile) {
av_write_trailer(outfile);
}
/* Close the video codec */
if (video_stream && get_codec_from_stream(video_stream)) {
avcodec_close(get_codec_from_stream(video_stream));
video_stream = 0;
printf("zero video stream %p\n", video_stream);
}
/* Close the output file */
if (outfile) {
for (i = 0; i < outfile->nb_streams; i++) {
if (&outfile->streams[i]) {
av_freep(&outfile->streams[i]);
}
}
}
/* free the temp buffer */
if (current_frame) {
delete_picture(current_frame);
current_frame = 0;
}
if (outfile && outfile->oformat) {
if (!(outfile->oformat->flags & AVFMT_NOFILE)) {
url_fclose(OUTFILE_PB);
}
}
if (outfile) {
av_free(outfile);
outfile = 0;
}
if (video_buffer) {
MEM_freeN(video_buffer);
video_buffer = 0;
}
if (audio_output_buffer) {
MEM_freeN(audio_output_buffer);
audio_output_buffer = 0;
}
if (audio_input_buffer) {
MEM_freeN(audio_input_buffer);
audio_input_buffer = 0;
}
if (img_convert_ctx) {
sws_freeContext(img_convert_ctx);
img_convert_ctx = 0;
}
}
/* properties */
void ffmpeg_property_del(RenderData *rd, void *type, void *prop_)
{
struct IDProperty *prop = (struct IDProperty *) prop_;
IDProperty * group;
if (!rd->ffcodecdata.properties) {
return;
}
group = IDP_GetPropertyFromGroup(
rd->ffcodecdata.properties, (char*) type);
if (group && prop) {
IDP_RemFromGroup(group, prop);
IDP_FreeProperty(prop);
MEM_freeN(prop);
}
}
IDProperty *ffmpeg_property_add(RenderData *rd, char * type, int opt_index, int parent_index)
{
AVCodecContext c;
const AVOption * o;
const AVOption * parent;
IDProperty * group;
IDProperty * prop;
IDPropertyTemplate val;
int idp_type;
char name[256];
avcodec_get_context_defaults(&c);
o = c.av_class->option + opt_index;
parent = c.av_class->option + parent_index;
if (!rd->ffcodecdata.properties) {
IDPropertyTemplate val;
rd->ffcodecdata.properties
= IDP_New(IDP_GROUP, val, "ffmpeg");
}
group = IDP_GetPropertyFromGroup(
rd->ffcodecdata.properties, (char*) type);
if (!group) {
IDPropertyTemplate val;
group = IDP_New(IDP_GROUP, val, (char*) type);
IDP_AddToGroup(rd->ffcodecdata.properties, group);
}
if (parent_index) {
sprintf(name, "%s:%s", parent->name, o->name);
} else {
strcpy(name, o->name);
}
fprintf(stderr, "ffmpeg_property_add: %s %d %d %s\n",
type, parent_index, opt_index, name);
prop = IDP_GetPropertyFromGroup(group, name);
if (prop) {
return prop;
}
switch (o->type) {
case FF_OPT_TYPE_INT:
case FF_OPT_TYPE_INT64:
val.i = o->default_val;
idp_type = IDP_INT;
break;
case FF_OPT_TYPE_DOUBLE:
case FF_OPT_TYPE_FLOAT:
val.f = o->default_val;
idp_type = IDP_FLOAT;
break;
case FF_OPT_TYPE_STRING:
val.str = " ";
idp_type = IDP_STRING;
break;
case FF_OPT_TYPE_CONST:
val.i = 1;
idp_type = IDP_INT;
break;
default:
return NULL;
}
prop = IDP_New(idp_type, val, name);
IDP_AddToGroup(group, prop);
return prop;
}
/* not all versions of ffmpeg include that, so here we go ... */
static const AVOption *my_av_find_opt(void *v, const char *name,
const char *unit, int mask, int flags){
AVClass *c= *(AVClass**)v;
const AVOption *o= c->option;
for(;o && o->name; o++){
if(!strcmp(o->name, name) &&
(!unit || (o->unit && !strcmp(o->unit, unit))) &&
(o->flags & mask) == flags )
return o;
}
return NULL;
}
int ffmpeg_property_add_string(RenderData *rd, const char * type, const char * str)
{
AVCodecContext c;
const AVOption * o = 0;
const AVOption * p = 0;
char name_[128];
char * name;
char * param;
IDProperty * prop;
avcodec_get_context_defaults(&c);
strncpy(name_, str, sizeof(name_));
name = name_;
while (*name == ' ') name++;
param = strchr(name, ':');
if (!param) {
param = strchr(name, ' ');
}
if (param) {
*param++ = 0;
while (*param == ' ') param++;
}
o = my_av_find_opt(&c, name, NULL, 0, 0);
if (!o) {
return 0;
}
if (param && o->type == FF_OPT_TYPE_CONST) {
return 0;
}
if (param && o->type != FF_OPT_TYPE_CONST && o->unit) {
p = my_av_find_opt(&c, param, o->unit, 0, 0);
prop = ffmpeg_property_add(rd,
(char*) type, p - c.av_class->option,
o - c.av_class->option);
} else {
prop = ffmpeg_property_add(rd,
(char*) type, o - c.av_class->option, 0);
}
if (!prop) {
return 0;
}
if (param && !p) {
switch (prop->type) {
case IDP_INT:
IDP_Int(prop) = atoi(param);
break;
case IDP_FLOAT:
IDP_Float(prop) = atof(param);
break;
case IDP_STRING:
strncpy(IDP_String(prop), param, prop->len);
break;
}
}
return 1;
}
void ffmpeg_set_preset(RenderData *rd, int preset)
{
int isntsc = (rd->frs_sec != 25);
switch (preset) {
case FFMPEG_PRESET_VCD:
rd->ffcodecdata.type = FFMPEG_MPEG1;
rd->ffcodecdata.video_bitrate = 1150;
rd->xsch = 352;
rd->ysch = isntsc ? 240 : 288;
rd->ffcodecdata.gop_size = isntsc ? 18 : 15;
rd->ffcodecdata.rc_max_rate = 1150;
rd->ffcodecdata.rc_min_rate = 1150;
rd->ffcodecdata.rc_buffer_size = 40*8;
rd->ffcodecdata.mux_packet_size = 2324;
rd->ffcodecdata.mux_rate = 2352 * 75 * 8;
break;
case FFMPEG_PRESET_SVCD:
rd->ffcodecdata.type = FFMPEG_MPEG2;
rd->ffcodecdata.video_bitrate = 2040;
rd->xsch = 480;
rd->ysch = isntsc ? 480 : 576;
rd->ffcodecdata.gop_size = isntsc ? 18 : 15;
rd->ffcodecdata.rc_max_rate = 2516;
rd->ffcodecdata.rc_min_rate = 0;
rd->ffcodecdata.rc_buffer_size = 224*8;
rd->ffcodecdata.mux_packet_size = 2324;
rd->ffcodecdata.mux_rate = 0;
break;
case FFMPEG_PRESET_DVD:
rd->ffcodecdata.type = FFMPEG_MPEG2;
rd->ffcodecdata.video_bitrate = 6000;
rd->xsch = 720;
rd->ysch = isntsc ? 480 : 576;
rd->ffcodecdata.gop_size = isntsc ? 18 : 15;
rd->ffcodecdata.rc_max_rate = 9000;
rd->ffcodecdata.rc_min_rate = 0;
rd->ffcodecdata.rc_buffer_size = 224*8;
rd->ffcodecdata.mux_packet_size = 2048;
rd->ffcodecdata.mux_rate = 10080000;
break;
case FFMPEG_PRESET_DV:
rd->ffcodecdata.type = FFMPEG_DV;
rd->xsch = 720;
rd->ysch = isntsc ? 480 : 576;
break;
case FFMPEG_PRESET_H264:
rd->ffcodecdata.type = FFMPEG_AVI;
rd->ffcodecdata.codec = CODEC_ID_H264;
rd->ffcodecdata.video_bitrate = 6000;
rd->ffcodecdata.gop_size = isntsc ? 18 : 15;
rd->ffcodecdata.rc_max_rate = 9000;
rd->ffcodecdata.rc_min_rate = 0;
rd->ffcodecdata.rc_buffer_size = 224*8;
rd->ffcodecdata.mux_packet_size = 2048;
rd->ffcodecdata.mux_rate = 10080000;
ffmpeg_property_add_string(rd, "video", "coder:vlc");
ffmpeg_property_add_string(rd, "video", "flags:loop");
ffmpeg_property_add_string(rd, "video", "cmp:chroma");
ffmpeg_property_add_string(rd, "video", "partitions:parti4x4");
ffmpeg_property_add_string(rd, "video", "partitions:partp8x8");
ffmpeg_property_add_string(rd, "video", "partitions:partb8x8");
ffmpeg_property_add_string(rd, "video", "me:hex");
ffmpeg_property_add_string(rd, "video", "subq:5");
ffmpeg_property_add_string(rd, "video", "me_range:16");
ffmpeg_property_add_string(rd, "video", "keyint_min:25");
ffmpeg_property_add_string(rd, "video", "sc_threshold:40");
ffmpeg_property_add_string(rd, "video", "i_qfactor:0.71");
ffmpeg_property_add_string(rd, "video", "b_strategy:1");
break;
case FFMPEG_PRESET_THEORA:
case FFMPEG_PRESET_XVID:
if(preset == FFMPEG_PRESET_XVID) {
rd->ffcodecdata.type = FFMPEG_AVI;
rd->ffcodecdata.codec = CODEC_ID_XVID;
}
else if(preset == FFMPEG_PRESET_THEORA) {
rd->ffcodecdata.type = FFMPEG_OGG; // XXX broken
rd->ffcodecdata.codec = CODEC_ID_THEORA;
}
rd->ffcodecdata.video_bitrate = 6000;
rd->ffcodecdata.gop_size = isntsc ? 18 : 15;
rd->ffcodecdata.rc_max_rate = 9000;
rd->ffcodecdata.rc_min_rate = 0;
rd->ffcodecdata.rc_buffer_size = 224*8;
rd->ffcodecdata.mux_packet_size = 2048;
rd->ffcodecdata.mux_rate = 10080000;
break;
}
}
void ffmpeg_verify_image_type(RenderData *rd)
{
int audio= 0;
if(rd->imtype == R_FFMPEG) {
if(rd->ffcodecdata.type <= 0 ||
rd->ffcodecdata.codec <= 0 ||
rd->ffcodecdata.audio_codec <= 0 ||
rd->ffcodecdata.video_bitrate <= 1) {
rd->ffcodecdata.codec = CODEC_ID_MPEG2VIDEO;
/* Don't set preset, disturbs render resolution.
* ffmpeg_set_preset(rd, FFMPEG_PRESET_DVD); */
}
audio= 1;
}
else if(rd->imtype == R_H264) {
if(rd->ffcodecdata.codec != CODEC_ID_H264) {
ffmpeg_set_preset(rd, FFMPEG_PRESET_H264);
audio= 1;
}
}
else if(rd->imtype == R_XVID) {
if(rd->ffcodecdata.codec != CODEC_ID_XVID) {
ffmpeg_set_preset(rd, FFMPEG_PRESET_XVID);
audio= 1;
}
}
else if(rd->imtype == R_THEORA) {
if(rd->ffcodecdata.codec != CODEC_ID_THEORA) {
ffmpeg_set_preset(rd, FFMPEG_PRESET_THEORA);
audio= 1;
}
}
if(audio && rd->ffcodecdata.audio_codec < 0) {
rd->ffcodecdata.audio_codec = CODEC_ID_NONE;
rd->ffcodecdata.audio_bitrate = 128;
}
}
#endif
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