update internationalization data
[goodguy/history.git] / cinelerra-5.0 / cinelerra / ffmpeg.C
index 48a8bf40099abc85932c1f266be1e84d0d9ebfb8..7f0b5b77431c1f6ed987fff889400a39077a3865 100644 (file)
@@ -5,6 +5,7 @@
 #include <unistd.h>
 #include <string.h>
 #include <stdarg.h>
+#include <fcntl.h>
 #include <limits.h>
 // work arounds (centos)
 #include <lzma.h>
@@ -17,6 +18,7 @@
 #include "fileffmpeg.h"
 #include "file.h"
 #include "ffmpeg.h"
+#include "mainerror.h"
 #include "mwindow.h"
 #include "vframe.h"
 
 
 Mutex FFMPEG::fflock("FFMPEG::fflock");
 
-static void ff_err(int ret, const char *msg)
+static void ff_err(int ret, const char *fmt, ...)
 {
-       char errmsg[BCSTRLEN];  av_strerror(ret, errmsg, sizeof(errmsg));
-       fprintf(stderr,"%s: %s\n",msg, errmsg);
+       char msg[BCTEXTLEN];
+       va_list ap;
+       va_start(ap, fmt);
+       vsnprintf(msg, sizeof(msg), fmt, ap);
+       va_end(ap);
+       char errmsg[BCSTRLEN];
+       av_strerror(ret, errmsg, sizeof(errmsg));
+       fprintf(stderr,_("%s  err: %s\n"),msg, errmsg);
 }
 
 FFPacket::FFPacket()
@@ -73,149 +81,142 @@ void FFrame::dequeue()
        fst->dequeue(this);
 }
 
-FFAudioHistory::FFAudioHistory()
+int FFAudioStream::read(float *fp, long len)
 {
-       this->nch = 1;
-       this->sz = 0x1000;
-       bsz = sz * nch;
-       bfr = new float[bsz];
-       inp = outp = bfr;
-       lmt = bfr + bsz;
+       long n = len * nch;
+       float *op = outp;
+       while( n > 0 ) {
+               int k = lmt - op;
+               if( k > n ) k = n;
+               n -= k;
+               while( --k >= 0 ) *fp++ = *op++;
+               if( op >= lmt ) op = bfr;
+       }
+       return len;
 }
 
-FFAudioHistory::~FFAudioHistory()
+void FFAudioStream::realloc(long sz, int nch, long len)
 {
-       delete [] bfr;
+       long bsz = sz * nch;
+       float *np = new float[bsz];
+       inp = np + read(np, len) * nch;
+       outp = np;
+       lmt = np + bsz;
+       this->nch = nch;
+       this->sz = sz;
+       delete [] bfr;  bfr = np;
 }
 
-
-void FFAudioHistory::reserve(long sz, int nch)
+void FFAudioStream::realloc(long sz, int nch)
 {
-       long isz = inp - outp;
-       sz += isz / nch;
-       if( this->sz < sz || this->nch != nch ) {
-               realloc(sz, nch);
-               return;
+       if( sz > this->sz || this->nch != nch ) {
+               long len = this->nch != nch ? 0 : curr_pos - seek_pos;
+               if( len > this->sz ) len = this->sz;
+               iseek(len);
+               realloc(sz, nch, len);
        }
-       if( isz > 0 )
-               memmove(bfr, outp, isz*sizeof(*bfr));
-       outp = bfr;
-       inp = bfr + isz;
 }
 
-void FFAudioHistory::realloc(long sz, int nch)
+void FFAudioStream::reserve(long sz, int nch)
 {
-       if( this->sz >= sz && this->nch == nch ) return;
-       long isz = used() * nch;
-       this->nch = nch;
-       this->sz = sz;
-       bsz = sz * nch;
-       float *np = new float[bsz];
-       if( isz > 0 ) copy(np, isz);
-       inp = np + isz;
-       outp = np;
-       lmt = np + bsz;
-       delete [] bfr;  bfr = np;
+       long len = (inp - outp) / nch;
+       sz += len;
+       if( sz > this->sz || this->nch != nch ) {
+               if( this->nch != nch ) len = 0;
+               realloc(sz, nch, len);
+               return;
+       }
+       if( (len*=nch) > 0 && bfr != outp )
+               memmove(bfr, outp, len*sizeof(*bfr));
+       outp = bfr;
+       inp = bfr + len;
 }
 
-long FFAudioHistory::used()
+long FFAudioStream::used()
 {
        long len = inp>=outp ? inp-outp : inp-bfr + lmt-outp;
        return len / nch;
 }
-long FFAudioHistory::avail()
+long FFAudioStream::avail()
 {
        float *in1 = inp+1;
        if( in1 >= lmt ) in1 = bfr;
        long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
        return len / nch;
 }
-void FFAudioHistory::reset() // clear bfr
+void FFAudioStream::reset() // clear bfr
 {
        inp = outp = bfr;
 }
 
-void FFAudioHistory::iseek(int64_t ofs)
+void FFAudioStream::iseek(int64_t ofs)
 {
        outp = inp - ofs*nch;
-       if( outp < bfr ) outp += bsz;
+       if( outp < bfr ) outp += sz*nch;
 }
 
-float *FFAudioHistory::get_outp(int ofs)
+float *FFAudioStream::get_outp(int ofs)
 {
        float *ret = outp;
        outp += ofs*nch;
        return ret;
 }
 
-int64_t FFAudioHistory::get_inp(int ofs)
+int64_t FFAudioStream::put_inp(int ofs)
 {
        inp += ofs*nch;
-       return (inp-bfr) / nch;
+       return (inp-outp) / nch;
 }
 
-int FFAudioHistory::write(const float *fp, long len)
+int FFAudioStream::write(const float *fp, long len)
 {
        long n = len * nch;
+       float *ip = inp;
        while( n > 0 ) {
-               int k = lmt - inp;
+               int k = lmt - ip;
                if( k > n ) k = n;
                n -= k;
-               while( --k >= 0 ) *inp++ = *fp++;
-               if( inp >= lmt ) inp -= bsz;
+               while( --k >= 0 ) *ip++ = *fp++;
+               if( ip >= lmt ) ip = bfr;
        }
+       inp = ip;
        return len;
 }
 
-int FFAudioHistory::copy(float *fp, long len)
-{
-       long n = len;
-       while( n > 0 ) {
-               int k = lmt - outp;
-               if( k > n ) k = n;
-               n -= k;
-               while( --k >= 0 ) *fp++ = *outp++;
-               if( outp >= lmt ) outp -= bsz;
-       }
-       return len;
-}
-
-int FFAudioHistory::zero(long len)
+int FFAudioStream::zero(long len)
 {
        long n = len * nch;
+       float *ip = inp;
        while( n > 0 ) {
-               int k = lmt - inp;
+               int k = lmt - ip;
                if( k > n ) k = n;
                n -= k;
-               while( --k >= 0 ) *inp++ = 0;
-               if( inp >= lmt ) inp -= bsz;
+               while( --k >= 0 ) *ip++ = 0;
+               if( ip >= lmt ) ip = bfr;
        }
+       inp = ip;
        return len;
 }
 
-int FFAudioHistory::read(double *dp, long len, int ch)
+// does not advance outp
+int FFAudioStream::read(double *dp, long len, int ch)
 {
-       long sz = used();
-       if( !sz ) return 0;
-       if( len > sz ) len = sz;
        long n = len;
        float *op = outp + ch;
+       float *lmt1 = lmt + nch-1;
        while( n > 0 ) {
-               int k = (lmt - outp) / nch;
+               int k = (lmt1 - op) / nch;
                if( k > n ) k = n;
                n -= k;
                while( --k >= 0 ) { *dp++ = *op;  op += nch; }
-               if( op >= lmt ) op -= bsz;
+               if( op >= lmt ) op -= sz*nch;
        }
        return len;
 }
 
 // load linear buffer, no wrapping allowed, does not advance inp
-int FFAudioHistory::write(const double *dp, long len, int ch)
+int FFAudioStream::write(const double *dp, long len, int ch)
 {
-       long osz = avail();
-       if( !osz || !len ) return 0;
-       if( len > osz ) len = osz;
        long n = len;
        float *ip = inp + ch;
        while( --n >= 0 ) { *ip = *dp++;  ip += nch; }
@@ -309,10 +310,10 @@ int FFStream::decode_activate()
                        if( ret >= 0 )
                                reading = 1;
                        else
-                               fprintf(stderr, "FFStream::decode_activate: open decoder failed\n");
+                               eprintf("FFStream::decode_activate: open decoder failed\n");
                }
                else
-                       fprintf(stderr, "FFStream::decode_activate: can't clone input file\n");
+                       eprintf("FFStream::decode_activate: can't clone input file\n");
                av_dict_free(&copts);
                ff_unlock();
        }
@@ -326,7 +327,7 @@ int FFStream::read_packet()
        if( ret >= 0 ) return 1;
        st_eof(1);
        if( ret == AVERROR_EOF ) return 0;
-       fprintf(stderr, "FFStream::read_packet: av_read_frame failed\n");
+       ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
        flushed = 1;
        return -1;
 }
@@ -345,9 +346,9 @@ int FFStream::decode(AVFrame *frame)
                        if( !ret ) ipkt->stream_index = st->index;
                }
                if( ipkt->stream_index == st->index ) {
-                       while( ipkt->size > 0 && !got_frame ) {
+                       while( (ipkt->size > 0 || !ipkt->data) && !got_frame ) {
                                ret = decode_frame(frame, got_frame);
-                               if( ret < 0 ) break;
+                               if( ret < 0 || !ipkt->data ) break;
                                ipkt->data += ret;
                                ipkt->size -= ret;
                        }
@@ -375,7 +376,7 @@ int FFStream::load_filter(AVFrame *frame)
                        frame, AV_BUFFERSRC_FLAG_KEEP_REF);
        if( ret < 0 ) {
                av_frame_unref(frame);
-               fprintf(stderr, "FFStream::load_filter: av_buffersrc_add_frame_flags failed\n");
+               eprintf("FFStream::load_filter: av_buffersrc_add_frame_flags failed\n");
        }
        return ret;
 }
@@ -386,7 +387,7 @@ int FFStream::read_filter(AVFrame *frame)
        if( ret < 0 ) {
                if( ret == AVERROR(EAGAIN) ) return 0;
                if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
-               fprintf(stderr, "FFStream::read_filter: av_buffersink_get_frame failed\n");
+               ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
                return ret;
        }
        return 1;
@@ -420,16 +421,26 @@ FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx)
 
        aud_bfr_sz = 0;
        aud_bfr = 0;
+
+// history buffer
+       nch = 2;
+       sz = 0x10000;
+       long bsz = sz * nch;
+       bfr = new float[bsz];
+       inp = outp = bfr;
+       lmt = bfr + bsz;
 }
 
 FFAudioStream::~FFAudioStream()
 {
        if( resample_context ) swr_free(&resample_context);
        delete [] aud_bfr;
+       delete [] bfr;
 }
 
-int FFAudioStream::load_history(float *&bfr, int len)
+int FFAudioStream::load_history(uint8_t **data, int len)
 {
+       float *samples = *(float **)data;
        if( resample_context ) {
                if( len > aud_bfr_sz ) {        
                        delete [] aud_bfr;
@@ -440,16 +451,17 @@ int FFAudioStream::load_history(float *&bfr, int len)
                        aud_bfr = new float[aud_bfr_sz*channels];
                }
                int ret = swr_convert(resample_context,
-                       (uint8_t**)&aud_bfr, aud_bfr_sz,
-                       (const uint8_t**)&bfr, len);
+                       (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
                if( ret < 0 ) {
-                       fprintf(stderr, "FFAudioStream::load_history: swr_convert failed\n");
+                       ff_err(ret, "FFAudioStream::load_history: swr_convert failed\n");
                        return -1;
                }
-               bfr = aud_bfr;
+               samples = aud_bfr;
                len = ret;
        }
-       append_history(bfr, len);
+       // biggest user bfr since seek + frame
+       realloc(mbsz + len + 1, channels);
+       write(samples, len);
        return len;
 }
 
@@ -457,7 +469,7 @@ int FFAudioStream::decode_frame(AVFrame *frame, int &got_frame)
 {
        int ret = avcodec_decode_audio4(st->codec, frame, &got_frame, ipkt);
        if( ret < 0 ) {
-               fprintf(stderr, "FFAudioStream::decode_frame: Could not read audio frame\n");
+               ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame\n");
                return -1;
        }
        return ret;
@@ -479,48 +491,19 @@ int FFAudioStream::nb_samples()
                 10000 : ctx->frame_size;
 }
 
-void FFAudioStream::alloc_history(int len)
-{
-       history.realloc(len+1, channels);
-}
-
-void FFAudioStream::reserve_history(int len)
-{
-       history.reserve(len+1, st->codec->channels);
-}
-
-void FFAudioStream::append_history(const float *fp, int len)
-{
-       // biggest user bfr since seek + length this frame
-       int hsz = mbsz + len;
-       alloc_history(hsz);
-       history.write(fp, len);
-}
-
 int64_t FFAudioStream::load_buffer(double ** const sp, int len)
 {
-       reserve_history(len);
-       int nch = st->codec->channels;
+       reserve(len+1, st->codec->channels);
        for( int ch=0; ch<nch; ++ch )
-               history.write(sp[ch], len, ch);
-       return history.get_inp(len);
-}
-
-void FFAudioStream::zero_history(int len)
-{
-       history.zero(len);
-}
-
-float* FFAudioStream::get_history(int len)
-{
-       return history.get_outp(len);
+               write(sp[ch], len, ch);
+       return put_inp(len);
 }
 
 int FFAudioStream::in_history(int64_t pos)
 {
        if( pos > curr_pos ) return 0;
        int64_t len = curr_pos - seek_pos;
-       if( len > history.sz ) len = history.sz;
+       if( len > sz ) len = sz;
        if( pos < curr_pos - len ) return 0;
        return 1;
 }
@@ -535,7 +518,7 @@ int FFAudioStream::init_frame(AVFrame *frame)
        frame->sample_rate = ctx->sample_rate;
        int ret = av_frame_get_buffer(frame, 0);
        if (ret < 0)
-               fprintf(stderr, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
+               ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
        return ret;
 }
 
@@ -552,12 +535,12 @@ int FFAudioStream::load(int64_t pos, int len)
        for( int i=0; ret>=0 && !flushed && curr_pos<end_pos && i<1000; ++i ) {
                ret = read_frame(frame);
                if( ret > 0 ) {
-                       load_history((float *&)frame->extended_data[0], frame->nb_samples);
+                       load_history(&frame->extended_data[0], frame->nb_samples);
                        curr_pos += frame->nb_samples;
                }
        }
-       if( flushed && end_pos > curr_pos ) {
-               zero_history(end_pos - curr_pos);
+       if( end_pos > curr_pos ) {
+               zero(end_pos - curr_pos);
                curr_pos = end_pos;
        }
        return curr_pos - pos;
@@ -567,18 +550,19 @@ int FFAudioStream::audio_seek(int64_t pos)
 {
        if( decode_activate() < 0 ) return -1;
        if( in_history(pos) ) {
-               history.iseek(curr_pos - pos);
+               iseek(curr_pos - pos);
                return 0;
        }
        if( pos == curr_pos ) return 0;
+       if( !st->codec || !st->codec->codec ) return -1;
+       avcodec_flush_buffers(st->codec);
        double secs = (double)pos / sample_rate;
        int64_t tstmp = secs * st->time_base.den / st->time_base.num;
        if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
        avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, tstmp, INT64_MAX, 0);
        seek_pos = curr_pos = pos;
-       mbsz = 0;
-       history.reset();
-       st_eof(0);
+       reset();  st_eof(0);
+       mbsz = 0; flushed = 0;  need_packet = 1;
        return 1;
 }
 
@@ -594,12 +578,12 @@ int FFAudioStream::encode(double **samples, int len)
                frm = new FFrame(this);
                if( (ret=frm->initted()) < 0 ) break;
                AVFrame *frame = *frm;
-               float *bfrp = get_history(frame_sz);
+               float *bfrp = get_outp(frame_sz);
                ret =  swr_convert(resample_context,
                        (uint8_t **)frame->extended_data, frame_sz,
                        (const uint8_t **)&bfrp, frame_sz);
                if( ret < 0 ) {
-                       fprintf(stderr, "FFAudioStream::encode: swr_convert failed\n");
+                       ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
                        break;
                }
                frm->queue(curr_pos);
@@ -632,7 +616,7 @@ int FFVideoStream::decode_frame(AVFrame *frame, int &got_frame)
 {
        int ret = avcodec_decode_video2(st->codec, frame, &got_frame, ipkt);
        if( ret < 0 ) {
-               fprintf(stderr, "FFVideoStream::decode_frame: Could not read video frame\n");
+               ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame\n");
                return -1;
        }
        if( got_frame )
@@ -669,6 +653,8 @@ int FFVideoStream::video_seek(int64_t pos)
        if( gop < 4 ) gop = 4;
        if( gop > 64 ) gop = 64;
        if( pos >= curr_pos && pos <= curr_pos + gop ) return 0;
+       if( !st->codec || !st->codec->codec ) return -1;
+       avcodec_flush_buffers(st->codec);
 // back up a few frames to read up to current to help repair damages
        if( (pos-=gop) < 0 ) pos = 0;
        double secs = (double)pos / frame_rate;
@@ -677,6 +663,7 @@ int FFVideoStream::video_seek(int64_t pos)
        avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, tstmp, INT64_MAX, 0);
        seek_pos = curr_pos = pos;
        st_eof(0);
+       flushed = 0;  need_packet = 1;
        return 1;
 }
 
@@ -788,9 +775,10 @@ int FFVideoStream::convert_picture_vframe(VFrame *frame,
                                " sws_getCachedContext() failed\n");
                return 1;
        }
-       if( sws_scale(convert_ctx, ip->data, ip->linesize, 0, ih,
-           opic.data, opic.linesize) < 0 ) {
-               fprintf(stderr, "FFVideoStream::convert_picture_frame: sws_scale() failed\n");
+       int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ih,
+           opic.data, opic.linesize);
+       if( ret < 0 ) {
+               ff_err(ret, "FFVideoStream::convert_picture_frame: sws_scale() failed\n");
                return 1;
        }
        return 0;
@@ -851,9 +839,10 @@ int FFVideoStream::convert_vframe_picture(VFrame *frame,
                                " sws_getCachedContext() failed\n");
                return 1;
        }
-       if( sws_scale(convert_ctx, opic.data, opic.linesize, 0, frame->get_h(),
-                       op->data, op->linesize) < 0 ) {
-               fprintf(stderr, "FFVideoStream::convert_frame_picture: sws_scale() failed\n");
+       int ret = sws_scale(convert_ctx, opic.data, opic.linesize, 0, frame->get_h(),
+                       op->data, op->linesize);
+       if( ret < 0 ) {
+               ff_err(ret, "FFVideoStream::convert_frame_picture: sws_scale() failed\n");
                return 1;
        }
        return 0;
@@ -952,10 +941,15 @@ AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
 
 AVRational FFMPEG::to_sample_aspect_ratio(double aspect_ratio)
 {
+#if 1
        int height = 1000000, width = height * aspect_ratio;
        float w, h;
        MWindow::create_aspect_ratio(w, h, width, height);
        return (AVRational){(int)w, (int)h};
+#else
+// square pixels
+       return (AVRational){1, 1};
+#endif
 }
 
 AVRational FFMPEG::to_time_base(int sample_rate)
@@ -984,10 +978,9 @@ void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
                set_option_path(path, "%s/%s", type, spec);
 }
 
-int FFMPEG::check_option(const char *path, char *spec)
+int FFMPEG::get_format(char *format, const char *path, char *spec)
 {
-       char option_path[BCTEXTLEN], line[BCTEXTLEN];
-       char format[BCSTRLEN], codec[BCSTRLEN];
+       char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
        get_option_path(option_path, path, spec);
        FILE *fp = fopen(option_path,"r");
        if( !fp ) return 1;
@@ -997,25 +990,27 @@ int FFMPEG::check_option(const char *path, char *spec)
                line[sizeof(line)-1] = 0;
                ret = scan_option_line(line, format, codec);
        }
-       if( !ret ) {
-               if( !file_format[0] ) strcpy(file_format, format);
-               else if( strcmp(file_format, format) ) ret = 1;
-       }
        fclose(fp);
        return ret;
 }
 
-const char *FFMPEG::get_file_format()
+int FFMPEG::get_file_format()
 {
-       file_format[0] = 0;
        int ret = 0;
+       char audio_format[BCSTRLEN], video_format[BCSTRLEN];
+       file_format[0] = audio_format[0] = video_format[0] = 0;
        Asset *asset = file_base->asset;
        if( !ret && asset->audio_data )
-               ret = check_option("audio", asset->acodec);
+               ret = get_format(audio_format, "audio", asset->acodec);
        if( !ret && asset->video_data )
-               ret = check_option("video", asset->vcodec);
-       if( !ret && !file_format[0] ) ret = 1;
-       return !ret ? file_format : 0;
+               ret = get_format(video_format, "video", asset->vcodec);
+       if( !ret && !audio_format[0] && !video_format[0] )
+               ret = 1;
+       if( !ret && audio_format[0] && video_format[0] &&
+           strcmp(audio_format, video_format) ) ret = -1;
+       if( !ret )
+               strcpy(file_format, audio_format[0] ? audio_format : video_format);
+       return ret;
 }
 
 int FFMPEG::scan_option_line(char *cp, char *tag, char *val)
@@ -1039,42 +1034,35 @@ int FFMPEG::scan_option_line(char *cp, char *tag, char *val)
        return 0;
 }
 
-int FFMPEG::read_options(const char *options, char *format, char *codec,
-               char *bsfilter, char *bsargs, AVDictionary *&opts)
+int FFMPEG::get_encoder(const char *options,
+               char *format, char *codec, char *bsfilter, char *bsargs)
 {
        FILE *fp = fopen(options,"r");
        if( !fp ) {
-               fprintf(stderr, "FFMPEG::read_options: options open failed %s\n",options);
+               eprintf("FFMPEG::get_encoder: options open failed %s\n",options);
                return 1;
        }
-       int ret = read_options(fp, options, format, codec, opts);
-       char *cp = codec;
-       while( *cp && *cp != '|' ) ++cp;
-       if( *cp == '|' && !scan_option_line(cp+1, bsfilter, bsargs) ) {
-               do { *cp-- = 0; } while( cp>=codec && (*cp==' ' || *cp == '\t' ) );
-       }
-       else
-               bsfilter[0] = bsargs[0] = 0;
+       if( get_encoder(fp, format, codec, bsfilter, bsargs) )
+               eprintf(_("FFMPEG::get_encoder:"
+                         " err: format/codec not found %s\n"), options);
        fclose(fp);
-       return ret;
+       return 0;
 }
 
-int FFMPEG::read_options(FILE *fp, const char *options,
-                char *format, char *codec, AVDictionary *&opts)
+int FFMPEG::get_encoder(FILE *fp,
+               char *format, char *codec, char *bsfilter, char *bsargs)
 {
+       format[0] = codec[0] = bsfilter[0] = bsargs[0] = 0;
        char line[BCTEXTLEN];
-       if( !fgets(line, sizeof(line), fp) ) {
-               fprintf(stderr, "FFMPEG::read_options:"
-                       " options file empty %s\n",options);
-               return 1;
-       }
+       if( !fgets(line, sizeof(line), fp) ) return 1;
        line[sizeof(line)-1] = 0;
-       if( scan_option_line(line, format, codec) ) {
-               fprintf(stderr, "FFMPEG::read_options:"
-                       " err: format/codec not found %s\n", options);
-               return 1;
-       }
-       return read_options(fp, options, opts, 1);
+       if( scan_option_line(line, format, codec) ) return 1;
+       char *cp = codec;
+       while( *cp && *cp != '|' ) ++cp;
+       if( !*cp ) return 0;
+       if( scan_option_line(cp+1, bsfilter, bsargs) ) return 1;
+       do { *cp-- = 0; } while( cp>=codec && (*cp==' ' || *cp == '\t' ) );
+       return 0;
 }
 
 int FFMPEG::read_options(const char *options, AVDictionary *&opts)
@@ -1086,18 +1074,28 @@ int FFMPEG::read_options(const char *options, AVDictionary *&opts)
        return ret;
 }
 
-int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts, int no)
+int FFMPEG::scan_options(const char *options, AVDictionary *&opts)
 {
-       int ret = 0;
+       FILE *fp = fmemopen((void *)options,strlen(options),"r");
+       if( !fp ) return 0;
+       int ret = read_options(fp, options, opts);
+       fclose(fp);
+       return ret;
+}
+
+int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
+{
+       int ret = 0, no = 0;
        char line[BCTEXTLEN];
        while( !ret && fgets(line, sizeof(line), fp) ) {
                line[sizeof(line)-1] = 0;
                ++no;
                if( line[0] == '#' ) continue;
+               if( line[0] == '\n' ) continue;
                char key[BCSTRLEN], val[BCTEXTLEN];
                if( scan_option_line(line, key, val) ) {
-                       fprintf(stderr, "FFMPEG::read_options:"
-                               " err reading %s: line %d\n", options, no);
+                       eprintf(_("FFMPEG::read_options:"
+                                 " err reading %s: line %d\n"), options, no);
                        ret = 1;
                }
                if( !ret ) {
@@ -1123,6 +1121,19 @@ int FFMPEG::load_options(const char *options, AVDictionary *&opts)
        return read_options(option_path, opts);
 }
 
+int FFMPEG::load_options(const char *path, char *bfr, int len)
+{
+       *bfr = 0;
+       FILE *fp = fopen(path, "r");
+       if( !fp ) return 1;
+       fgets(bfr, len, fp); // skip hdr
+       len = fread(bfr, 1, len-1, fp);
+       if( len < 0 ) len = 0;
+       bfr[len] = 0;
+       fclose(fp);
+       return 0;
+}
+
 void FFMPEG::set_loglevel(const char *ap)
 {
        if( !ap || !*ap ) return;
@@ -1163,7 +1174,7 @@ int FFMPEG::info(char *text, int len)
        for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
                AVStream *st = fmt_ctx->streams[i];
                AVCodecContext *avctx = st->codec;
-               report("stream %d,  id 0x%06x:\n", i, avctx->codec_id);
+               report(_("stream %d,  id 0x%06x:\n"), i, avctx->codec_id);
                const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
                if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
                        AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
@@ -1195,7 +1206,7 @@ int FFMPEG::info(char *text, int len)
                        report("  %d:%02d:%05.2f\n", hrs, mins, secs);
                }
                else
-                       report("  codec_type unknown\n");
+                       report(_("  codec_type unknown\n"));
        }
        report("\n");
        for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
@@ -1230,7 +1241,7 @@ int FFMPEG::init_decoder(const char *filename)
                fp = fopen(file_opts, "r");
        }
        if( fp ) {
-               read_options(fp, file_opts, opts, 0);
+               read_options(fp, file_opts, opts);
                fclose(fp);
        }
        else
@@ -1252,7 +1263,7 @@ int FFMPEG::open_decoder()
 {
        struct stat st;
        if( stat(fmt_ctx->filename, &st) < 0 ) {
-               fprintf(stderr,"FFMPEG::open_decoder: can't stat file: %s\n",
+               eprintf("FFMPEG::open_decoder: can't stat file: %s\n",
                        fmt_ctx->filename);
                return 1;
        }
@@ -1335,17 +1346,27 @@ int FFMPEG::open_decoder()
 
 int FFMPEG::init_encoder(const char *filename)
 {
-       const char *format = get_file_format();
-       if( !format ) {
-               fprintf(stderr, "FFMPEG::init_encoder: invalid file format for %s\n", filename);
+       int fd = ::open(filename,O_WRONLY);
+       if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
+       if( fd < 0 ) {
+               eprintf("FFMPEG::init_encoder: bad file path: %s\n", filename);
+               return 1;
+       }
+       ::close(fd);
+       int ret = get_file_format();
+       if( ret > 0 ) {
+               eprintf("FFMPEG::init_encoder: bad file format: %s\n", filename);
+               return 1;
+       }
+       if( ret < 0 ) {
+               eprintf("FFMPEG::init_encoder: mismatch audio/video file format: %s\n", filename);
                return 1;
        }
-       int ret = 0;
        ff_lock("FFMPEG::init_encoder");
        av_register_all();
-       avformat_alloc_output_context2(&fmt_ctx, 0, format, filename);
+       avformat_alloc_output_context2(&fmt_ctx, 0, file_format, filename);
        if( !fmt_ctx ) {
-               fprintf(stderr, "FFMPEG::init_encoder: failed: %s\n", filename);
+               eprintf("FFMPEG::init_encoder: failed: %s\n", filename);
                ret = 1;
        }
        if( !ret ) {
@@ -1357,7 +1378,7 @@ int FFMPEG::init_encoder(const char *filename)
        return ret;
 }
 
-int FFMPEG::open_encoder(const char *path, const char *spec)
+int FFMPEG::open_encoder(const char *type, const char *spec)
 {
 
        Asset *asset = file_base->asset;
@@ -1365,13 +1386,13 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
        AVDictionary *sopts = 0;
        av_dict_copy(&sopts, opts, 0);
        char option_path[BCTEXTLEN];
-       set_option_path(option_path, "%s/%s.opts", path, path);
+       set_option_path(option_path, "%s/%s.opts", type, type);
        read_options(option_path, sopts);
-       get_option_path(option_path, path, spec);
+       get_option_path(option_path, type, spec);
        char format_name[BCSTRLEN], codec_name[BCTEXTLEN];
        char bsfilter[BCSTRLEN], bsargs[BCTEXTLEN];
-       if( read_options(option_path, format_name, codec_name, bsfilter, bsargs, sopts) ) {
-               fprintf(stderr, "FFMPEG::open_encoder: read options failed %s:%s\n",
+       if( get_encoder(option_path, format_name, codec_name, bsfilter, bsargs) ) {
+               eprintf("FFMPEG::open_encoder: get_encoder failed %s:%s\n",
                        option_path, filename);
                return 1;
        }
@@ -1384,14 +1405,14 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
        const AVCodecDescriptor *codec_desc = 0;
        AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
        if( !codec ) {
-               fprintf(stderr, "FFMPEG::open_encoder: cant find codec %s:%s\n",
+               eprintf("FFMPEG::open_encoder: cant find codec %s:%s\n",
                        codec_name, filename);
                ret = 1;
        }
        if( !ret ) {
                codec_desc = avcodec_descriptor_get(codec->id);
                if( !codec_desc ) {
-                       fprintf(stderr, "FFMPEG::open_encoder: unknown codec %s:%s\n",
+                       eprintf("FFMPEG::open_encoder: unknown codec %s:%s\n",
                                codec_name, filename);
                        ret = 1;
                }
@@ -1399,7 +1420,7 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
        if( !ret ) {
                st = avformat_new_stream(fmt_ctx, 0);
                if( !st ) {
-                       fprintf(stderr, "FFMPEG::open_encoder: cant create stream %s:%s\n",
+                       eprintf("FFMPEG::open_encoder: cant create stream %s:%s\n",
                                codec_name, filename);
                        ret = 1;
                }
@@ -1409,12 +1430,24 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
                switch( codec_desc->type ) {
                case AVMEDIA_TYPE_AUDIO: {
                        if( has_audio ) {
-                               fprintf(stderr, "FFMPEG::open_encoder: duplicate audio %s:%s\n",
+                               eprintf("FFMPEG::open_encoder: duplicate audio %s:%s\n",
                                        codec_name, filename);
                                ret = 1;
                                break;
                        }
                        has_audio = 1;
+                       if( scan_options(asset->ff_audio_options, sopts) ) {
+                               eprintf("FFMPEG::open_encoder: bad audio options %s:%s\n",
+                                       codec_name, filename);
+                               ret = 1;
+                               break;
+                       }
+                       if( asset->ff_audio_bitrate > 0 ) {
+                               ctx->bit_rate = asset->ff_audio_bitrate;
+                               char arg[BCSTRLEN];
+                               sprintf(arg, "%d", asset->ff_audio_bitrate);
+                               av_dict_set(&sopts, "b", arg, 0);
+                       }
                        int aidx = ffaudio.size();
                        int idx = aidx + ffvideo.size();
                        FFAudioStream *aud = new FFAudioStream(this, st, idx);
@@ -1426,7 +1459,7 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
                        ctx->channel_layout =  av_get_default_channel_layout(ctx->channels);
                        ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
                        if( !ctx->sample_rate ) {
-                               fprintf(stderr, "FFMPEG::open_audio_encode:"
+                               eprintf("FFMPEG::open_audio_encode:"
                                        " check_sample_rate failed %s\n", filename);
                                ret = 1;
                                break;
@@ -1443,12 +1476,37 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
                        break; }
                case AVMEDIA_TYPE_VIDEO: {
                        if( has_video ) {
-                               fprintf(stderr, "FFMPEG::open_encoder: duplicate video %s:%s\n",
+                               eprintf("FFMPEG::open_encoder: duplicate video %s:%s\n",
                                        codec_name, filename);
                                ret = 1;
                                break;
                        }
                        has_video = 1;
+                       if( scan_options(asset->ff_video_options, sopts) ) {
+                               eprintf("FFMPEG::open_encoder: bad video options %s:%s\n",
+                                       codec_name, filename);
+                               ret = 1;
+                               break;
+                       }
+                       if( asset->ff_video_bitrate > 0 ) {
+                               ctx->bit_rate = asset->ff_video_bitrate;
+                               char arg[BCSTRLEN];
+                               sprintf(arg, "%d", asset->ff_video_bitrate);
+                               av_dict_set(&sopts, "b", arg, 0);
+                       }
+                       else if( asset->ff_video_quality > 0 ) {
+                               ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
+                               ctx->qmin    = ctx->qmax =  asset->ff_video_quality;
+                               ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
+                               ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
+                               ctx->flags |= CODEC_FLAG_QSCALE;
+                               char arg[BCSTRLEN];
+                               av_dict_set(&sopts, "flags", "+qscale", 0);
+                               sprintf(arg, "%d", asset->ff_video_quality);
+                               av_dict_set(&sopts, "qscale", arg, 0);
+                               sprintf(arg, "%d", ctx->global_quality);
+                               av_dict_set(&sopts, "global_quality", arg, 0);
+                       }
                        int vidx = ffvideo.size();
                        int idx = vidx + ffaudio.size();
                        FFVideoStream *vid = new FFVideoStream(this, st, idx);
@@ -1463,7 +1521,7 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
                        ctx->pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
                        AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
                        if( !frame_rate.num || !frame_rate.den ) {
-                               fprintf(stderr, "FFMPEG::open_audio_encode:"
+                               eprintf("FFMPEG::open_audio_encode:"
                                        " check_frame_rate failed %s\n", filename);
                                ret = 1;
                                break;
@@ -1473,7 +1531,7 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
                        vid->writing = -1;
                        break; }
                default:
-                       fprintf(stderr, "FFMPEG::open_encoder: not audio/video, %s:%s\n",
+                       eprintf("FFMPEG::open_encoder: not audio/video, %s:%s\n",
                                codec_name, filename);
                        ret = 1;
                }
@@ -1482,7 +1540,7 @@ int FFMPEG::open_encoder(const char *path, const char *spec)
                ret = avcodec_open2(st->codec, codec, &sopts);
                if( ret < 0 ) {
                        ff_err(ret,"FFMPEG::open_encoder");
-                       fprintf(stderr, "FFMPEG::open_encoder: open failed %s:%s\n",
+                       eprintf("FFMPEG::open_encoder: open failed %s:%s\n",
                                codec_name, filename);
                        ret = 1;
                }
@@ -1599,11 +1657,12 @@ int FFMPEG::decode_activate()
 
 int FFMPEG::encode_activate()
 {
+       int ret = 0;
        if( encoding < 0 ) {
                encoding = 0;
                if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
-                   avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE) < 0 ) {
-                       fprintf(stderr, "FFMPEG::encode_activate: err opening : %s\n",
+                   (ret=avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE)) < 0 ) {
+                       ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
                                fmt_ctx->filename);
                        return 1;
                }
@@ -1612,10 +1671,10 @@ int FFMPEG::encode_activate()
                char option_path[BCTEXTLEN];
                set_option_path(option_path, "format/%s", file_format);
                read_options(option_path, fopts);
-               int ret = avformat_write_header(fmt_ctx, &fopts);
+               ret = avformat_write_header(fmt_ctx, &fopts);
                av_dict_free(&fopts);
                if( ret < 0 ) {
-                       fprintf(stderr, "FFMPEG::encode_activate: write header failed %s\n",
+                       ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
                                fmt_ctx->filename);
                        return 1;
                }
@@ -1650,7 +1709,7 @@ int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
        FFAudioStream *aud = ffaudio[aidx];
        if( aud->load(pos, len) < len ) return -1;
        int ch = astrm_index[chn].st_ch;
-       return aud->history.read(samples,len,ch);
+       return aud->read(samples,len,ch);
 }
 
 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)