ffmpeg param visibility, high422 x264 profile, bd/dvd enhancements

[goodguy/history.git] / cinelerra-5.1 / cinelerra / ffmpeg.C

diff --git a/cinelerra-5.1/cinelerra/ffmpeg.C b/cinelerra-5.1/cinelerra/ffmpeg.C
index 515657867a22e929a0f806ec321bee6c1a63a9ac..25cfbe70fc6f89dba9877d0d8d4405816dd4f0c7 100644 (file)
--- a/cinelerra-5.1/cinelerra/ffmpeg.C
+++ b/cinelerra-5.1/cinelerra/ffmpeg.C
@@ -47,21 +47,15 @@ static void ff_err(int ret, const char *fmt, ...)
        fprintf(stderr,_("%s  err: %s\n"),msg, errmsg);
 }
 
-FFPacket::FFPacket()
-{
-       init();
-}
-
-FFPacket::~FFPacket()
-{
-       av_packet_unref(&pkt);
-}
-
 void FFPacket::init()
 {
        av_init_packet(&pkt);
        pkt.data = 0; pkt.size = 0;
 }
+void FFPacket::finit()
+{
+       av_packet_unref(&pkt);
+}
 
 FFrame::FFrame(FFStream *fst)
 {
@@ -449,7 +443,7 @@ int FFStream::flush()
 
 int FFStream::seek(int64_t no, double rate)
 {
-       if( no < 0 ) no = 0;
+       int64_t tstmp = -INT64_MAX+1;
 // default ffmpeg native seek
        int npkts = 1;
        int64_t pos = no, plmt = -1;
@@ -461,27 +455,30 @@ int FFStream::seek(int64_t no, double rate)
                if( no-n < 30*rate ) {
                        if( n < 0 ) n = 0;
                        pos = n;
-                       if( ++i < marks.size() ) plmt = marks[i].pos;
+                       if( i < marks.size() ) plmt = marks[i].pos;
                        npkts = MAX_RETRY;
                }
        }
-       double secs = pos / rate;
-       int64_t pkt_ts, tstmp = secs * st->time_base.den / st->time_base.num;
-       if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
+       if( pos > 0 ) {
+               double secs = pos / rate;
+               tstmp = secs * st->time_base.den / st->time_base.num;
+               if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
+       }
        int ret = avformat_seek_file(fmt_ctx, st->index,
                -INT64_MAX, tstmp, INT64_MAX, AVSEEK_FLAG_ANY);
        if( ret >= 0 ) {
                avcodec_flush_buffers(st->codec);
+               ipkt.finit();  ipkt.init();
                need_packet = 0;  flushed = 0;
                seeked = 1;  st_eof(0);
 // read up to retry packets, limited to npkts in stream, and not past pkt.pos plmt
-               for( int retry=MAX_RETRY; ret>=0 && --retry>=0; ) {
+               for(;;) {
                        if( read_packet() <= 0 ) { ret = -1;  break; }
                        if( plmt >= 0 && ipkt->pos >= plmt ) break;
                        if( ipkt->stream_index != st->index ) continue;
                        if( --npkts <= 0 ) break;
-                       if( (pkt_ts=ipkt->dts) == AV_NOPTS_VALUE &&
-                           (pkt_ts=ipkt->pts) == AV_NOPTS_VALUE ) continue;
+                       int64_t pkt_ts = ipkt->dts != AV_NOPTS_VALUE ? ipkt->dts : ipkt->pts;
+                       if( pkt_ts == AV_NOPTS_VALUE ) continue;
                        if( pkt_ts >= tstmp ) break;
                }
        }
@@ -1140,7 +1137,7 @@ void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
                set_option_path(path, "%s/%s", type, spec);
 }
 
-int FFMPEG::get_format(char *format, const char *path, char *spec)
+int FFMPEG::get_format(char *format, const char *path, const char *spec)
 {
        char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
        get_option_path(option_path, path, spec);
@@ -1156,6 +1153,22 @@ int FFMPEG::get_format(char *format, const char *path, char *spec)
        return ret;
 }
 
+int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
+{
+       char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
+       get_option_path(option_path, path, spec);
+       FILE *fp = fopen(option_path,"r");
+       if( !fp ) return 1;
+       int ret = 0;
+       if( !fgets(line, sizeof(line), fp) ) ret = 1;
+       if( !ret ) {
+               line[sizeof(line)-1] = 0;
+               ret = scan_option_line(line, format, codec);
+       }
+       fclose(fp);
+       return ret;
+}
+
 int FFMPEG::get_file_format()
 {
        int ret = 0;