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asfenc: realloc index_ptr fewer times

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ramiro Polla 2012-04-04 02:48:27 -03:00 committed by Michael Niedermayer
parent 13cc3645b0
commit 97d36a1898
1 changed files with 5 additions and 5 deletions
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10
libavformat/asfenc.c
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@ -30,7 +30,7 @@
#define ASF_INDEXED_INTERVAL 10000000
#define ASF_INDEX_BLOCK 600
#define ASF_INDEX_BLOCK (1<<9)
#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2
#define ASF_PACKET_ERROR_CORRECTION_FLAGS (\
@ -810,11 +810,11 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
if ((!asf->is_streamed) && (flags & AV_PKT_FLAG_KEY)) {
start_sec = (int)(duration / INT64_C(10000000));
if (start_sec != (int)(asf->last_indexed_pts / INT64_C(10000000))) {
if (start_sec > asf->nb_index_memory_alloc) {
asf->nb_index_memory_alloc = (start_sec + ASF_INDEX_BLOCK) & ~(ASF_INDEX_BLOCK - 1);
asf->index_ptr = (ASFIndex*)av_realloc( asf->index_ptr, sizeof(ASFIndex) * asf->nb_index_memory_alloc );
}
for(i=asf->nb_index_count;i<start_sec;i++) {
if (i>=asf->nb_index_memory_alloc) {
asf->nb_index_memory_alloc += ASF_INDEX_BLOCK;
asf->index_ptr = (ASFIndex*)av_realloc( asf->index_ptr, sizeof(ASFIndex) * asf->nb_index_memory_alloc );
}
// store
asf->index_ptr[i].packet_number = (uint32_t)packet_st;
asf->index_ptr[i].packet_count = (uint16_t)(asf->nb_packets-packet_st);