mirror of
https://github.com/LibreELEC/LibreELEC.tv
synced 2025-09-24 19:46:01 +07:00
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From 5fecd135de1486be63e0cef53134c44f8b4becd6 Mon Sep 17 00:00:00 2001
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From: Joakim Plate <elupus@ecce.se>
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Date: Sun, 18 Sep 2011 19:17:23 +0200
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Subject: [PATCH 08/24] Don't reparse PMT unless it's version has changed
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---
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libavformat/mpegts.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
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index 817fbed..8bdafc5 100644
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--- a/libavformat/mpegts.c
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+++ b/libavformat/mpegts.c
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@@ -78,6 +78,7 @@ struct MpegTSFilter {
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int pid;
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int es_id;
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int last_cc; /* last cc code (-1 if first packet) */
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+ int last_version; /* last version of data on this pid */
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enum MpegTSFilterType type;
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union {
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MpegTSPESFilter pes_filter;
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@@ -334,6 +335,7 @@ static MpegTSFilter *mpegts_open_section_filter(MpegTSContext *ts, unsigned int
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filter->pid = pid;
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filter->es_id = -1;
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filter->last_cc = -1;
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+ filter->last_version = -1;
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sec = &filter->u.section_filter;
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sec->section_cb = section_cb;
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sec->opaque = opaque;
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@@ -1560,6 +1562,10 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
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return;
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if (!h->current)
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return;
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+ if (h->version == filter->last_version)
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+ return;
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+ filter->last_version = h->version;
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+ av_dlog(ts->stream, "version=%d\n", filter->last_version);
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ts->stream->ts_id = h->id;
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--
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1.7.9.4
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