Modification of stsc_decompact function
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7250ce0668
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02e3a4ec77
23
mj2/mj2.c
23
mj2/mj2.c
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@ -287,39 +287,42 @@ void mj2_stsc_decompact(mj2_tk_t * tk)
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{
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int j, i;
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unsigned int k;
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int sampleno=0;
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if (tk->num_samplestochunk == 1) {
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tk->num_chunks =
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(unsigned int) ceil((double) tk->num_samples /
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(double) tk->sampletochunk[0].samples_per_chunk);
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(double) tk->sampletochunk[0].samples_per_chunk);
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tk->chunk =
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(mj2_chunk_t *) malloc(tk->num_chunks * sizeof(mj2_chunk_t));
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for (k = 0; k < tk->num_chunks; k++) {
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tk->chunk[k].num_samples = tk->sampletochunk[0].samples_per_chunk;
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}
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} else {
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tk->chunk =
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(mj2_chunk_t *) malloc(tk->num_samples * sizeof(mj2_chunk_t));
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tk->num_chunks = 0;
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for (i = 0; i < tk->num_samplestochunk - 1; i++) {
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for (i = 0; i < tk->num_samplestochunk -1 ; i++) {
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for (j = tk->sampletochunk[i].first_chunk - 1;
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j < tk->sampletochunk[i + 1].first_chunk - 1; j++) {
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j < tk->sampletochunk[i + 1].first_chunk - 1; j++) {
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tk->chunk[j].num_samples = tk->sampletochunk[i].samples_per_chunk;
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tk->num_chunks++;
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sampleno += tk->chunk[j].num_samples;
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}
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}
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tk->num_chunks++;
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for (k = tk->sampletochunk[tk->num_samplestochunk].first_chunk - 1;
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k < tk->num_chunks; k++) {
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tk->num_chunks += (int)(tk->num_samples - sampleno) / tk->sampletochunk[tk->num_samplestochunk - 1].samples_per_chunk;
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for (k = tk->sampletochunk[tk->num_samplestochunk - 1].first_chunk - 1;
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k < tk->num_chunks; k++) {
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tk->chunk[k].num_samples =
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tk->sampletochunk[tk->num_samplestochunk].samples_per_chunk;
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tk->sampletochunk[tk->num_samplestochunk - 1].samples_per_chunk;
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}
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tk->chunk = realloc(tk->chunk, tk->num_chunks * sizeof(mj2_chunk_t));
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}
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}
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/*
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* Chunk offset box Decompact
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*
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