PowerPC/CELL/Altivec pointers

Originally committed as revision 10197 to svn://svn.ffmpeg.org/ffmpeg/trunk

doc/optimization.txt

@@ -158,6 +158,17 @@ http://www.arm.com/community/academy/resources.html
 Instructions timings and optimization guide for ARM9E:
 http://www.arm.com/pdfs/DDI0222B_9EJS_r1p2.pdf
 
+PowerPC-specific:
+
+PowerPC32/Altivec PIM:
+www.freescale.com/files/32bit/doc/ref_manual/ALTIVECPEM.pdf
+
+PowerPC32/Altivec PEM:
+www.freescale.com/files/32bit/doc/ref_manual/ALTIVECPIM.pdf
+
+CELL/SPU:
+http://www-01.ibm.com/chips/techlib/techlib.nsf/techdocs/30B3520C93F437AB87257060006FFE5E/$file/Language_Extensions_for_CBEA_2.4.pdf
+http://www-01.ibm.com/chips/techlib/techlib.nsf/techdocs/9F820A5FFA3ECE8C8725716A0062585F/$file/CBE_Handbook_v1.1_24APR2007_pub.pdf
 
 SPARC-specific:
 SPARC Joint Programming Specification (JPS1): Commonality

ffplay.c

@@ -1871,7 +1871,7 @@ static int decode_thread(void *arg)
 {
     VideoState *is = arg;
     AVFormatContext *ic;
-    int err, i, ret, video_index, audio_index, use_play;
+    int err, i, ret, video_index, audio_index;
     AVPacket pkt1, *pkt = &pkt1;
     AVFormatParameters params, *ap = &params;
 
@@ -1885,8 +1885,6 @@ static int decode_thread(void *arg)
     url_set_interrupt_cb(decode_interrupt_cb);
 
     memset(ap, 0, sizeof(*ap));
-    ap->initial_pause = 1; /* we force a pause when starting an RTSP
-                              stream */
 
     ap->width = frame_width;
     ap->height= frame_height;
@@ -1900,16 +1898,10 @@ static int decode_thread(void *arg)
         goto fail;
     }
     is->ic = ic;
-#ifdef CONFIG_RTSP_DEMUXER
-    use_play = (ic->iformat == &rtsp_demuxer);
-#else
-    use_play = 0;
-#endif
 
     if(genpts)
         ic->flags |= AVFMT_FLAG_GENPTS;
 
-    if (!use_play) {
         err = av_find_stream_info(ic);
         if (err < 0) {
             fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
@@ -1917,7 +1909,6 @@ static int decode_thread(void *arg)
             goto fail;
         }
         ic->pb.eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
-    }
 
     /* if seeking requested, we execute it */
     if (start_time != AV_NOPTS_VALUE) {
@@ -1934,18 +1925,6 @@ static int decode_thread(void *arg)
         }
     }
 
-    /* now we can begin to play (RTSP stream only) */
-    av_read_play(ic);
-
-    if (use_play) {
-        err = av_find_stream_info(ic);
-        if (err < 0) {
-            fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
-            ret = -1;
-            goto fail;
-        }
-    }
-
     for(i = 0; i < ic->nb_streams; i++) {
         AVCodecContext *enc = ic->streams[i]->codec;
         switch(enc->codec_type) {