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PowerPC/CELL/Altivec pointers

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Originally committed as revision 10197 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato 2007-08-23 16:40:23 +00:00
parent a677e0cf14
commit 2c2b3130c2
2 changed files with 12 additions and 22 deletions
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11
doc/optimization.txt
View File

@ -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

23
ffplay.c
View File

@ -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) {