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avformat/mpegenc: Ignore max_delay if no other options remain 

Fixes assertion failure
Fixes Ticket4335

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-01 16:47:36 +01:00
parent 2b4041661a
commit e72f8ceabd
1 changed files with 22 additions and 12 deletions
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34
libavformat/mpegenc.c
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@ -960,6 +960,7 @@ static int output_packet(AVFormatContext *ctx, int flush)
int best_i = -1;
int best_score = INT_MIN;
int ignore_constraints = 0;
int ignore_delay = 0;
int64_t scr = s->last_scr;
PacketDesc *timestamp_packet;
const int64_t max_delay = av_rescale(ctx->max_delay, 90000, AV_TIME_BASE);
@ -985,7 +986,7 @@ retry:
if (space < s->packet_size && !ignore_constraints)
continue;
if (next_pkt && next_pkt->dts - scr > max_delay)
if (next_pkt && next_pkt->dts - scr > max_delay && !ignore_delay)
continue;
if ( stream->predecode_packet
&& stream->predecode_packet->size > stream->buffer_index)
@ -999,6 +1000,7 @@ retry:
if (best_i < 0) {
int64_t best_dts = INT64_MAX;
int has_premux = 0;
for (i = 0; i < ctx->nb_streams; i++) {
AVStream *st = ctx->streams[i];
@ -1006,21 +1008,29 @@ retry:
PacketDesc *pkt_desc = stream->predecode_packet;
if (pkt_desc && pkt_desc->dts < best_dts)
best_dts = pkt_desc->dts;
has_premux |= !!stream->premux_packet;
}
av_dlog(ctx, "bumping scr, scr:%f, dts:%f\n",
scr / 90000.0, best_dts / 90000.0);
if (best_dts == INT64_MAX)
if (best_dts < INT64_MAX) {
av_dlog(ctx, "bumping scr, scr:%f, dts:%f\n",
scr / 90000.0, best_dts / 90000.0);
if (scr >= best_dts + 1 && !ignore_constraints) {
av_log(ctx, AV_LOG_ERROR,
"packet too large, ignoring buffer limits to mux it\n");
ignore_constraints = 1;
}
scr = FFMAX(best_dts + 1, scr);
if (remove_decoded_packets(ctx, scr) < 0)
return -1;
} else if (has_premux && flush) {
av_log(ctx, AV_LOG_ERROR,
"delay too large, ignoring ...\n");
ignore_delay = 1;
ignore_constraints = 1;
} else
return 0;
if (scr >= best_dts + 1 && !ignore_constraints) {
av_log(ctx, AV_LOG_ERROR,
"packet too large, ignoring buffer limits to mux it\n");
ignore_constraints = 1;
}
scr = FFMAX(best_dts + 1, scr);
if (remove_decoded_packets(ctx, scr) < 0)
return -1;
goto retry;
}