Lines Matching defs:ast
60 AVStream *st, *ast;
106 ast = avformat_new_stream(s, NULL);
107 if (!ast)
109 ret = ff_get_wav_header(s, pb, ast->codecpar, fsize, 0);
112 if (ast->codecpar->sample_rate > 0)
113 avpriv_set_pts_info(ast, 64, 1, ast->codecpar->sample_rate);
122 if(ast->codecpar->block_align) {
123 if (c->bpc > INT_MAX - ast->codecpar->block_align + 1)
125 c->bpc = ((c->bpc + ast->codecpar->block_align - 1) / ast->codecpar->block_align) * ast->codecpar->block_align;