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Code Issues Releases Activity

Use new function put_nbyte() to speed up padding.

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Patch by Anssi Hannula, anssi d hannula a iki d fi

Originally committed as revision 26194 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Anssi Hannula 2011-01-02 10:46:50 +00:00 committed by Carl Eugen Hoyos
parent 17ee8f669f
commit febd72be65
1 changed files with 2 additions and 3 deletions
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5
libavformat/spdifenc.c
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@ -347,7 +347,7 @@ static int spdif_write_packet(struct AVFormatContext *s, AVPacket *pkt)
if (!ctx->pkt_offset) if (!ctx->pkt_offset)
return 0; return 0;
padding = (ctx->pkt_offset - ctx->use_preamble * BURST_HEADER_SIZE - ctx->out_bytes) >> 1; padding = (ctx->pkt_offset - ctx->use_preamble * BURST_HEADER_SIZE - ctx->out_bytes) & ~1;
if (padding < 0) { if (padding < 0) {
av_log(s, AV_LOG_ERROR, "bitrate is too high\n"); av_log(s, AV_LOG_ERROR, "bitrate is too high\n");
return AVERROR(EINVAL); return AVERROR(EINVAL);
@ -373,8 +373,7 @@ static int spdif_write_packet(struct AVFormatContext *s, AVPacket *pkt)
if (ctx->out_bytes & 1) if (ctx->out_bytes & 1)
put_be16(s->pb, ctx->out_buf[ctx->out_bytes - 1]); put_be16(s->pb, ctx->out_buf[ctx->out_bytes - 1]);
for (; padding > 0; padding--) put_nbyte(s->pb, 0, padding);
put_be16(s->pb, 0);
av_log(s, AV_LOG_DEBUG, "type=%x len=%i pkt_offset=%i\n", av_log(s, AV_LOG_DEBUG, "type=%x len=%i pkt_offset=%i\n",
ctx->data_type, ctx->out_bytes, ctx->pkt_offset); ctx->data_type, ctx->out_bytes, ctx->pkt_offset);